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BUROCCO
INDUSTRIAL VALVES S.r.l.
Technical Manual
BUROCCO
INDUSTRIAL VALVES S.r.l.
Via Noveis, 33 - 13867 Pray (BI) Italy
Tel. +39 015 767 278 - Fax +39 015 767 136 burocco@burocco.it - P. IVA: 02526580028
Copyright © 2014 BUROCCO INDUSTRIAL VALVES S.r.l.
97/23/EC -PED
94/9/EC - ATEX
BUROCCO INDUSTRIAL VALVES srl VIA NOVEIS, 33 – 13867 PRAY (BI) - ITALY
Capitolo2 / Chapter 2
Indice/Index
Pag.
Coefficienti di Portata Disponibili (CV) - Flow coefficients available (CV)…………………………………..…………………
135
Coefficienti di Portata Ridotti (Microflusso) - Flow coefficients reduced (Lowflow)…………………………….………
136
Otturatori e Caratteristiche di Regolazione—Plug and control specifications………………………..…………………….
137
Pressione—Temperature—Materiale Corpo Valvola—Pressure—Temperature—Body Material……………..…
141
Limiti Impiego Temperatura—Tipologia Valvole—Temperature use limit—Valves type…..………………………….
142
Servocomando a Diaframma Pressioni Differenziali—Diaphragm servocontrol Differential pressure……..….
144
Servocomando On-Off Pressioni Differenziali—ON-OFF Servocontrol Differential pressure………………...…….
147
Coefficienti di Portata Disponibili (CV) On-Off Valves - Flow coefficients available (CV)On-Off Valves………….
149
Coefficienti di Portata Disponibili (CV) Ball Valves - Flow coefficients available (CV) Ball Valves..…………………
150
Condizioni generali di vendita—General sales conditions………..………………………………………………………………..
151
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134
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Valve serie 5000
Valve serie
Valve serie 1000
15
20
25
32
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40
50
65
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80
100
150
KV
KV
470
400
160
300
256
130
210
180
110
160
136
95
DN
CV
KV
Seat diameter
(mm)
CV
DN CV
DN CV
KV
15
4
3,5
15
7
6
20
8
2
1,7
8
11
3
2,5
11
15
5
4,3
15
20
9
7,7
19,5
25
14
12
24
4
3,5
15
32
22
18,8
31
12
10
24
24
40
34
29
39
7
6
20
6
20
50
53
45,3
48,5
4
3,5
15
3,5
15
65
91
77,8
64
18
15,5
32
80
138
118
79
12
10
24
185,5
98,5
7
6
20
4
3,5
15
28
24
38
18
15,5
32
12
10
24
7
6
20
4
3,5
15
48
41
50
28
24
38
18
15.5
32
12
10
24
50
7
6
20
24
38
4
3,5
15
160
136
95
105
90
71
72
61,5
64
48
41
50
28
24
38
300
256
130
210
180
110
160
105
72
136
90
61,5
95
71
64
4
3,5
15
7
6
20
4
3,5
15
12
10
24
7
6
20
4
3,5
15
18
15,5
32
12
10
7
4
28
24
38
18
15,5
32
12
10
24
7
6
20
4
3,5
15
15
4
3,5
15
48
41
50
20
7
6
20
28
24
38
18
15.5
32
25
12
10
24
12
10
24
32
18
15,5
32
7
6
20
40
28
24
38
72
61,5
64
50
48
41
50
48
41
50
65
72
61,5
64
28
24
38
18
15.5
32
80
105
90
71
105
90
71
100 160
136
95
72
61,5
64
48
41
28
200
Valve serie EURO
DN
CV
KV
Seat diameter
(mm)
DN
3000/3003
Seat diameter
(mm)
800/803, 2000/2003
Seat diameter
(mm)
Valve serie
Seat diameter
(mm)
BUROCCO INDUSTRIAL VALVES srl VIA NOVEIS, 33 – 13867 PRAY (BI) - ITALY
FLOW COEFFICIENTS
AVAILABLE (CV)
100 217
20
25
32
40
50
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BUROCCO INDUSTRIAL VALVES srl VIA NOVEIS, 33 – 13867 PRAY (BI) - ITALY
FLOW COEFFICIENTS
REDUCED (LOWFLOW)
Valve serie
Serie 3000
2000—800
CV
(gpm)
KV
(m3/h)
2,5
2,1
2
1,7
1,5
1,3
2,5H
2H
Seat diameter
(mm)
Ø 10
2,1H
Ø 10
1,7H
1,5H
1,3H
1
0,85
0,8
0,68
0,5
0,43
1H
0,85H
0,8H
0,68H
0,5H
0,43H
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0,3
0,26
0,2
0,17
0,1
0,09
HR
Ø6
Ø6
HR
Ø4
-stroke 20 mm
-Flow characteristic (linear, Equalpercentage)
-Type sealing metallic.
-HR (High rangeability)
KV
(m3/h)
2,5
2,1
2
1,7
1,5
1,3
2,5H
2,1H
2H
1,7H
1,5H
1,3H
1
0,85
0,8
0,68
0,5
0,43
1H
0,85H
0,8H
0,68H
0,5H
0,43H
0,3
0,26
0,2
0,17
0,1
0,09
0,08
0,068
0,06
0,051
0,05
0,043
0,03
0,026
0,02
0,017
0,01
0,009
Seat diameter
(mm)
stroke
(mm)
Ø 10
20
Ø 10
HR
Ø6
Ø6
HR
20
20
20
Ø4
15
Ø2
10
-Flow characteristic (linear, Equalpercentage)
-HR (High rangeability)
MVP serie 3000
Serie 3500
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CV
(gpm)
KV
(m3/h)
0,3
0,26
Seat diameter
(mm)
Ø4
0,2
CV
(gpm)
stroke
(mm)
6
0,17
-Flow characteristic (linear)
CV
(gpm)
KV
(m3/h)
0,3
0,26
0,2
0,17
0,1
0,09
0,08
0,068
0,06
0,051
0,05
0,043
0,03
0,026
0,02
0,017
0,01
0,009
Seat diameter
(mm)
stroke
(mm)
Ø 4,02
15
Ø3,02
15
Ø2,02
10
-Flow characteristic (linear, Equalpercentage)
-HR (High rangeability)
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BUROCCO INDUSTRIAL VALVES srl VIA NOVEIS, 33 – 13867 PRAY (BI) - ITALY
PLUG AND CONTROL
SPECIFICATIONS
The plug is the most important internal component of a control valve as it modifies the flow and makes the seal with its
seat. The control characteristic is determined by the variation of the flow rate in relation to the plug stroke, and it is
obtained by shaping it adequately
Control characteristics
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Linear (red curve)
This plug allows the linearity between the stroke and flow rate; therefore, it is proportional to the opening degree of the valve.
It is used when the operating differential pressure does not undergo important variations or in processes with limited flow
rate variations.
Equipercentage (blue curve)
With this plug we obtain a constant percentage of flow rate increase for an equal increase in the opening stroke. The valve supplies most of the flow rate in the last opening phase. It is used when the flow rate is extremely variable or when the differential
pressure undergoes important variations.
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Quick opening (yellow curve)
With this plug we obtain a quick increase in flow rate. Normally, it is used for on/off services.
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BUROCCO INDUSTRIAL VALVES srl VIA NOVEIS, 33 – 13867 PRAY (BI) - ITALY
PLUG AND CONTROL
SPECIFICATIONS
Plug example
Parabolic plug with equipercentage characteristic.
Single upper guide.
Parabolic plug with linear characteristic.
Single upper guide.
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Parabolic plug with equipercentage characteristic.
Double upper and lower guide.
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BUROCCO INDUSTRIAL VALVES srl VIA NOVEIS, 33 – 13867 PRAY (BI) - ITALY
PLUG AND CONTROL
SPECIFICATIONS
Plug example
Parabolic plug with linear characteristic.
Double upper and lower guide.
V-port plug with linear characteristic.
 3-way MIXING valve
 3-way DIVERTER valve with the following limitations on the maxiburocco@burocco.it —www.burocco.it
mum operating differential pressure
(Δp / recommended values):
 DN15/25
 DN32/50
 DN65/80
 DN100
Δp ≤ 10 bar
Δp ≤ 5 bar
Δp ≤ 3 bar
Δp ≤ 1.5 bar
Upper guide and in seat.
V-port plug with linear characteristic.
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 Correct 3-way DIVERTER valve
Upper guide and in seat.
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BUROCCO INDUSTRIAL VALVES srl VIA NOVEIS, 33 – 13867 PRAY (BI) - ITALY
PLUG AND CONTROL
SPECIFICATIONS
Plug example
Parabolic plug with linear or equipercentage characteristics complete with
compact silencer.
Attenuation of maximum sound level
about - 10/12 dBA.
Upper and lower guide or only upper guide
Micro-flow plug with linear or equipercentage characteristic.
Upper guide.
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Plugs equipped with only the upper guide are used in 2-way valves when the operating differential pressure does not
exceed 10-12 bar and in micro-flow valves.
Plugs equipped with both upper and lower guides guarantee maximum resistance and increased stability to static and
dynamic stress of the flow. They are required in 2-way valves when the operating differential pressure exceeds 10-12
bar and the temperatures involved are high.
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BUROCCO INDUSTRIAL VALVES srl VIA NOVEIS, 33 – 13867 PRAY (BI) - ITALY
PRESSURE - TEMPERATURE
BODY MATERIAL
Maximum pressure and temperature values allowed in relation to the material of the valve body.
Serie EURO, 800/803 e 2000/2003
Body
material
Rating
TEMPERATURE (°C)
from - 196 to < -5
-5
20
100
120
150
200
250
300
350
GS400-12/15
(GGG 40)
PN16
---
16
bar
16
bar
16
bar
15
bar
14
bar
14
bar
12
bar
10
bar
8
bar
A216WCB
PN40
---
40
bar
40
bar
40
bar
40
bar
40
bar
35
bar
32
bar
28
bar
24
bar
CF8M - CF3M
PN40
40 bar
40
bar
40
bar
40
bar
40
bar
40
bar
35
bar
32
bar
28
bar
24
bar
A216WCB
ANSI300
---
51
bar
51
bar
46,4
bar
45,9
bar
45,1
bar
43,9
bar
41,8
bar
38,9
bar
36,9
bar
CF8M - CF3M
ANSI300
49,6 bar
49,6
bar
49,6
bar
42,3
bar
40,8
bar
38,5
bar
35,8
bar
33,5
bar
31,6
bar
30,4
bar
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Serie 3000/3003
Body
material
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AISI 316L
Rating
TEMPERATURE (°C)
from - 196 to < -30
-30
20
100
120
150
200
250
300
350
PN40
40 bar
40
bar
40
bar
40
bar
40
bar
40
bar
35
bar
32
bar
28
bar
24
bar
PN63
63 bar
63
bar
63
bar
59,7
bar
57,5
bar
54,3
bar
50,1
bar
47,1
Bar
43,5
Bar
41,7
bar
PN100
100 bar
100
bar
100
bar
94,7
bar
91,3
bar
86,1
bar
79,5
bar
74,7
bar
69
bar
66,1
bar
ANSI150
19 bar
19
bar
19
bar
19
bar
16
bar
14,8
bar
13,6
bar
12
bar
10,2
bar
8,4
bar
ANSI300
49,6 bar
49,6
bar
49,6
bar
42,3
bar
40,8
bar
38,5
bar
35,8
bar
33,5
bar
31,6
bar
30,4
bar
ANSI600
99,3 bar
99,3
bar
99,3
bar
84,5
bar
81,5
bar
77,1
bar
71,2
bar
66,7
bar
63,1
bar
61
bar
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BUROCCO INDUSTRIAL VALVES srl VIA NOVEIS, 33 – 13867 PRAY (BI) - ITALY
TEMPERATURE USE LIMITS
VALVE TYPE
The following tables indicate the maximum temperature values of the operating fluid: of the type of valve, type of seal
between seat and plug, type of intermediate body and of the seal on the stem.
Rolled stem with final roughness 0.15 micron
Serie EURO, 800/803
Stem seal (Packing type)
Trim plug - seat
PTFE
(LTS - LTS+OR - DTV)
PTFE
PTFE/CG
+
+
grafite3
(HTS/S)
grafite
grafite
(STD+OR)
(STD/S+OR)
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soft
(PTFE insert)
180 °C
----
----
----
soft
(PTFE/CG insert)
180 °C
190 °C
190 °C
----
Soft HPP
(PEEK insert)
180 °C
200 °C
205 °C
----
metallic4
metallic + stellite4
180 °C
200 °C
205 °C
250 °C
serie 2000/2003, 3000/3003 – intermediate body standard
Stem seal (Packing type)
Trim plug - seat
PTFE
PTFE/CG
PTFE
+
+
grafite
(LTS - LTS+OR - DTV)
grafite
grafite
(HTS/S)
(STD)
(STD/S)
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soft
(PTFE insert)
180 °C
----
----
----
soft
(PTFE/CG insert)
180 °C
190 °C
190 °C
----
soft
HPP
180 °C
205 °C
210 °C
----
metallic
metallic + stellite4
180 °C
205 °C
210 °C
250 °C
3- Special, only upon request, valves series 800/803 without actuator
4- Not available for EURO series valve
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BUROCCO INDUSTRIAL VALVES srl VIA NOVEIS, 33 – 13867 PRAY (BI) - ITALY
TEMPERATURE USE LIMITS
VALVE TYPE
serie 2000/2003, 3000/3003 – intermediate body with extended bellows
Stem seal (Packing type)
Trim plug - seat
PTFE
(LTS - LTS+OR - DTV)
PTFE
+
grafite
PTFE/CG
+
grafite
(STD)
(STD/S)
grafite
(HTS/S)
burocco@burocco.it —www.burocco.it
soft
(PTFE insert)
180 °C
----
----
----
soft
(PTFE/CG insert)
180 °C
190 °C
190 °C
----
Soft HPP
(PEEK insert)
210 °C
210 °C
210 °C
----
metallic
metallic + stellite
280 °C
300 °C
300 °C
350 °C
serie 2000/2003, 3000/3003 – finned intermediate body
Stem seal (Packing type)
Trim plug - seat
PTFE
(LTS - LTS/S - DTV)
metallic
metallic + stellite4
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Vacuum packing (DTV)
280 °C
PTFE
+
grafite
PTFE/CG
(STD)
(STD/S)
300 °C
300 °C
+
grafite
grafite
(HTS/S)
350 °C
Pressure use limits ≥ 1 mbar (absolute)
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BUROCCO INDUSTRIAL VALVES srl VIA NOVEIS, 33 – 13867 PRAY (BI) - ITALY
DIAPHRAGM SERVO CONTROL
DIFFERENTIAL PRESSURE
The servo control or actuator transforms the pneumatic signal into an even and linear movement of the valve plug. It also positions the valve plug when the control signal varies.
The essential characteristic of the actuators of the control valves, unlike the on/off valves, is their capability to respond to finite
signal variations in a finite way .
Type of actuator and thrust sections
Actuators with contrast spring contained in the heads and neoprene flexible membrane with nylon reinforcement
DIRECT
The increase in air pressure on the membrane moves the stem downwards.
INVERSE (/I)
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The increase in air pressure on the membrane moves the stem upwards.
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Actuator Size
Thrust section (cm2)
Thrusts (N/psi)
S140
57
39
S200
130
90
S275
277
191
S340
473
326
S430
710
490
S430 double
1420
980
S600 *
1850
1276
* On request
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Table of maximum pressure drop valves, NC - (NORMALLY CLOSED)
The following table indicates the maximum differential pressure allowed for NC valves (Normally Closed), in relation to the
diameter of the seat and to the size of the corresponding actuator:
Seat diameter - mm
Actuator
diameter
S200
S275
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S340
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S430
S430 double
(multiply values x 2)
BUROCCO INDUSTRIAL VALVES srl VIA NOVEIS, 33 – 13867 PRAY (BI) - ITALY
MAX DIFFERENTIAL PRESSURE
CONTROL VALVES
Spring
Range
Supply
6-4
(1/4”)
10
(3/8”)
15
(1/2”)
20
(3/4”)
24
(1”)
3-15 psi
20 psi
88,0
33,0
14,5
8,0
5,7
3,2
6-18
6-30 psi
20 psi
40 psi
100,0
65,0
29,0
16,0
11,5
12-35 psi
40 psi
100,0
100,0
58,0
32,0
16-40 psi
45 psi
100,0
100,0
78,0
3-15 psi
20 psi
-
69,0
6-18
6-30 psi
20 psi
40 psi
-
9-15
9-18 psi
20 psi
12-30 psi
50
(2”)
64
(2” ½)
71
(3”)
95
(4”)
110
(5”)
130
(6”)
2,2
1,2
-
-
-
-
-
6,5
4,5
2,5
-
-
-
-
-
23,0
13,0
9,0
5,0
-
-
-
-
-
44,0
31,0
17,0
12,5
7,0
-
-
-
-
-
31,5
17,5
12,2
7,0
5,0
2,7
-
-
-
-
-
100,0
63,0
35,0
24,5
14,0
10,0
5,5
-
-
-
-
-
-
100,0
93,0
53,0
37,0
21,0
15,0
8,5
-
-
-
-
-
40 psi
-
100,0
100,0
70,0
49,0
28,0
20,0
11,0
-
-
-
-
-
3-15 psi
20 psi
-
-
-
-
-
12,0
8,5
4,7
3,0
2,2
1,2
-
-
6-18
6-30 Psi
20 psi
40 psi
-
-
-
-
-
24,0
17,0
9,5
6,0
4,5
2,5
-
-
12-30 psi
40 psi
-
-
-
-
-
48,0
34,0
19,0
12,0
9,0
5,0
-
-
15-33 psi
45 psi
-
-
-
-
-
60,0
42,0
24,0
15,0
12,0
6,5
-
-
18-36 psi
45 psi
-
-
-
-
-
63,0
51,0
29,0
18,0
14,5
8,0
-
-
3-15 psi
20 psi
-
-
-
-
-
-
-
7,2
4,5
3,5
2,0
1,5
1,1
6-18
6-30 Psi
20 psi
40 psi
-
-
-
-
-
-
-
14,5
9,0
7,0
4,0
3,0
2,2
12-30a)
psi
40d) psi
-
-
-
-
-
-
-
29,0
18,0
14,0
8,0
6,0
4,4
15-33b)
psi
45e) psi
-
-
-
-
-
-
-
37,0
22,0
18,0
10,0
7,5
5,5
18-36c)
psi
45e) psi
-
-
-
-
-
-
-
44,0
27,0
22,0
12,0
7,8
6,6
Valve seat 5”-6”
Valve seat 5”-6”
a)
d)
12-46 psi,
52 psi,
b)
e)
15-49 psi,
58 psi
c)
32
38
(1” ¼) (1” ½)
17-53 psi
NOTES
1) The values refer to the condition with actuator supply pressure equal to 0 psi (0 bar).
2) The values indicated must be compared with the nominal pressure of the body and the pressure-temperature diagram.
3) The values can be increased by increasing the initial preload of the springs.
4) The values used in the table are expressed in Bar
Burocco reserves the right to make improvements without prior notice
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Table of maximum pressure drop valves, NO - (NORMALLY OPEN)
The following table indicates the maximum differential pressure allowed for NO valves (Normally Open), in relation to the diameter of the seat and to the size of the corresponding actuator:
Seat diameter - mm
Actuator
Diameter
S200
S275
burocco@burocco.it —www.burocco.it
S340
S430
S430 double
(multiply values x 2)
BUROCCO INDUSTRIAL VALVES srl VIA NOVEIS, 33 – 13867 PRAY (BI) - ITALY
MAX DIFFERENTIAL PRESSURE
CONTROL VALVES
Spring
Range
32
6-4
(1/4”)
10
(3/8”)
15
(1/2”)
20
(3/4”)
24
(1”)
1.2 bar
88,0
33,0
14,5
8,0
5,7
3,2
1,4 bar
100,0
65,0
29,0
16,0
11,5
2,0 bar
100,0
100,0
63,0
42,0
3.0 bar
100,0
100,0
100,0
1.2 bar
-
69,0
1.4 bar
-
2.0 bar
38
50
(2”)
2,2
6,5
29,0
63,0
31,5
100,0
-
3.0 bar
64
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(2” ½)
71
(3”)
95
(4”)
110
(5”)
130
(6”)
1,2
-
-
-
-
-
4,5
2,5
-
-
-
-
-
16,0
11,5
6,5
-
-
-
-
-
56,0
32,0
22,0
13,0
-
-
-
-
-
17,5
12,2
7,0
5,0
2,7
-
-
-
-
-
63,0
35,0
24,5
14,0
10,0
5,5
-
-
-
-
-
100,0
100,0
87,0
62,0
35,0
25,0
14,0
-
-
-
-
-
-
100,0
100,0
100,0 100,0
63,0
48,0
28,0
-
-
-
-
-
1.2 bar
-
-
-
-
-
12,0
8,5
4,7
3,0
2,2
1,2
-
-
1.4 bar
-
-
-
-
-
24,0
17,0
9,5
6,0
4,5
2,5
-
-
2.0 bar
-
-
-
-
-
60,0
42,0
24,0
15,0
12,0
6,5
-
-
3.0 bar
-
-
-
-
-
63,0
63,0
47,0
29,0
23,0 13,0
-
-
1.2 bar
-
-
-
-
-
-
-
7,2
4,5
3,5
2,0
1,5
1,1
1.4 bar
-
-
-
-
-
-
-
14,5
9,0
7,0
4,0
3,0
2,2
2.0 bar
-
-
-
-
-
-
-
37,0
22,0
18,0 10,0
7,7
5,5
3.0 bar
-
-
-
-
-
-
-
63,0
43,0
35,0 19,0
12,0 10,6
Supply
(1” ¼) (1” ½)
3-15 psi
3-15 psi
3-15 psi
3-15 psi
NOTE:
The values indicated must be compared with the nominal pressure of the body and the pressure-temperature diagram.
The values used in the table are expressed in Bar
Conversion table Bar —> PSI
1,2 bar =17,4 psi
1,4 bar =20,3 psi
2,0 bar =29 psi
3,0 bar =43,5 psi
Burocco reserves the right to make improvements without prior notice
146
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BUROCCO INDUSTRIAL VALVES srl VIA NOVEIS, 33 – 13867 PRAY (BI) - ITALY
MAX DIFFERENTIAL PRESSURE
ON-OFF VALVES
Table of maximum differential pressure of valves VPOO, NC - (NORMALLY CLOSED)
The following table indicates the maximum differential pressure allowed for NC valves (Normally
Closed), in relation to the diameter of the seat and to the size of the corresponding actuator:
DN
Actuator
Diameter
8
10
15
20
25
32
40
50
65
80
100
125
150
200
S.32
-
-
-
-
-
-
-
-
-
-
-
-
-
-
S.50
-
-
-
-
-
-
-
-
-
-
-
-
-
-
S.63
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
35
25
16
14
10
7
-
-
-
-
-
-
S.118
-
-
-
-
30
25
20
16
7
5,5
-
-
-
-
S.136
-
-
-
-
-
-
-
-
16
10
6
-
-
-
S.153
-
-
-
-
-
-
-
-
-
14
9
-
-
-
S.235
-
-
-
-
-
-
-
-
-
-
-
-
-
-
S.82
Supply
6Bar
burocco@burocco.it —www.burocco.it
NOTE:
1) The values refer to the condition with actuator supply pressure equal to 0 psi (0 bar).
2) The values indicated must be compared with the nominal pressure of the body and the pressure-temperature diagram.
3) The values used in the table are expressed in Bar
Table of maximum differential pressure of valves VPFL, MVP NC - (NORMALLY CLOSED)
The following table indicates the maximum differential pressure allowed for NC valves (Normally Closed), in relation to the
diameter of the seat and to the size of the corresponding actuator:
DN
Actuator
Diameter
Supply
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6
8
10
15
20
25
32
40
50
65
80
100
125
150
200
6
6
-
-
-
-
-
-
-
-
-
-
-
-
-
S.32
15
10
-
-
-
-
-
-
-
-
-
-
-
-
S.50
-
-
15
10
6
-
-
-
-
-
-
-
-
-
S.63
-
-
25
18
12
7
-
-
-
-
-
-
-
-
-
-
-
25
20
15
8
6
-
-
-
-
-
-
S.118
-
-
-
-
-
25
18
15
7
-
-
-
-
-
S.136
-
-
-
-
-
-
On
request
On
request
14
8
5
-
-
-
S.153
-
-
-
-
-
-
-
-
-
12
7,5
3
1,5
-
S.235
-
-
-
-
-
-
-
-
-
On
request
On
request
On
request
On
request
0,5
S.20
S.82
6Bar
NOTE:
1) The values refer to the condition with actuator supply pressure equal to 0 psi (0 bar)
2) The values indicated must be compared with the nominal pressure of the body and the pressure-temperature diagram.
3) The values are with plug in PTFE.
4) The values used in the table are expressed in Bar
Burocco reserves the right to make improvements without prior notice
147
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AIR CONSUMPTION
BUROCCO INDUSTRIAL VALVES srl VIA NOVEIS, 33 – 13867 PRAY (BI) - ITALY
Actuator air consumption 2 bar supply CONTROL Valves
Actuator (S.)
Volume (dm3)
Section (cm2)
Consumption nL/cicle
(for each cycle of the full stroke)
140
84,9
0,17
0,3
200
191,1
0,38
0,8
275
373,3
0,75
1,5
340
581,1
1,74
3,5
430 stroke 35mm
886,7
3,10
6,2
430 stroke 50mm
886,7
4,43
8,9
430 double stroke 50mm
1773,4
8,87
17,7
600
2189,6
17,52
35,0
Actuator air consumption 6 bar supply VPOO Valves
Actuator (S.)
Volume (dm3)
Section (cm2)
Consumption nL/ciclo
(for each cycle of the full stroke)
burocco@burocco.it —www.burocco.it
S.63
31,2
0,06
0,4
S.82
53,5
0,11
0,6
S.118
108,4
0,33
2,0
S.136
146,3
0,51
3,1
S.153
183,9
0,64
3,9
S.235
433,7
2,17
13,0
Tel.: +39 015 76.72.78 —Fax: +39 015 76.71.36
Burocco reserves the right to make improvements without prior notice
148
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BUROCCO INDUSTRIAL VALVES srl VIA NOVEIS, 33 – 13867 PRAY (BI) - ITALY
FLOW COEFFICIENTS
AVAILABLE (CV) On-Off Valves
Valve serie
Valve serie
VPFL/FL-VPFL/FF
SBS/S - SBS/3
Valve serie
MVPFL/FL
MVPFL/FF
Valve serie
MVP/S
burocco@burocco.it —www.burocco.it
DN
CV
KV
DN
CV
KV
DN
CV
KV
DN
CV
KV
15
5
4,3
15
5
4,3
6
1
0,85
6
-
-
20
9
7,7
20
8
6,8
8
2
1,7
8
2
1,7
25
14
12
25
13
11,1
10
3
2,5
10
3
2,5
32
22
18,8
32
20
17
15
6
5,1
15
5
4,3
40
34
29
40
32
27,3
20
9
7,7
20
8
6,8
50
53
45,3
50
50
42,7
25
14
12
25
13
11,1
65
91
77,8
65
85
72,6
80
138
118
80
129
110,2
100
217
185,5
100
203
173,5
125
339
290
125
318
271,8
150
490
418,8
150
459
392,3
200
865
739,3
200
811
693,2
Tel.: +39 015 76.72.78 —Fax: +39 015 76.71.36
Burocco reserves the right to make improvements without prior notice
149
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BUROCCO INDUSTRIAL VALVES srl VIA NOVEIS, 33 – 13867 PRAY (BI) - ITALY
FLOW COEFFICIENTS
AVAILABLE (CV) Ball Valves
Ball Valve
2 way
DN
Ball Valve
3 way
CV
KV
DN
CV
KV
10
6
5,1
15
10
8,5
10
6
5,1
15
10
8,5
20
17
25
26
21,8
20
17
21,8
22,2
25
26
22,2
32
42
35,9
32
42
35,9
40
66
56,4
40
58
49,6
50
103
88
50
93
79,5
Ball sample
burocco@burocco.it —www.burocco.it
Tel.: +39 015 76.72.78 —Fax: +39 015 76.71.36
CH9
VSP/VSL 2V - DN10 (3/8”) - 25 (1”)
VSP/VSL 3V - DN10 (3/8”)
CH14
VSP/VSL 2V - DN32 (1”1/4) - 50 (2”)
VSP/VSL 3V - DN15 (1/2”) - 40 (1”1/2)
CH17
VSP/VSL 3V - DN50 (2”)
Burocco reserves the right to make improvements without prior notice
150
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BUROCCO INDUSTRIAL VALVES srl VIA NOVEIS, 33 – 13867 PRAY (BI) - ITALY
GENERAL SALES CONDITIONS
1.
INFORMATION DATA
Data, information, and illustrations found in the catalogue are intended to represent the various types of products but are
not binding. BUROCCO INDUSTRIAL VALVES S.r.l. reserves the right to make any modifications and improvements, based
on experience, without prior notice. Overall dimensions and weights are purely indicative and not binding. Gauges, diameters, and drilling of the flanges comply with EN or ANSI standards
2.
ORDER
BUROCCO INDUSTRIAL VALVES S.r.l. reserves the right to reject the order if the conditions contained therein are different
from those agreed and/or indicated in the offer. The order becomes binding only after being accepted by BUROCCO INDUSTRIAL VALVES S.r.l. with written confirmation. If this is not received within 1 day, the order will be deemed to be accepted in full. Any clause or condition made by the customer in the request or order is not valid and not applicable (even
partially) if not accepted in writing .
3.
SPECIAL PRODUCTS
Once the order has been confirmed, cancellations of orders of special items and/or standard products modified upon
specific request of the customer will not be accepted .
4.
ACCEPTANCE
The purchaser declares to have verified the suitability of the product in relation to its intended use assuming all risks and
liability resulting from its improper use .
5.
TESTS
burocco@burocco.it —www.burocco.it
Every product is tested according to the current standards (UNI-EN 1349, UNI-EN 12266-1:2003, ANSI B16.34 ).
6.
DOCUMENTATION
The documentation must be requested at the time of ordering; declarations of conformity, technical sheets, use and
maintenance manuals, certifications of conformity 97/23/EC according to P.E.D. directive, certifications of conformity
94/9/EC according to ATEX directive, and test reports according to UNI EN 10204 2.2 will be supplied free of charge. Test
reports according to UNI EN 10204 3.1 or any other specific document will be charged at cost.
7.
DELIVERIES
Deliveries will be made according to the current availability, considering production and construction requirements and in
compliance with the terms agreed (according to INCOTERMS 2010). In the event of delayed delivery, the customer is not
entitled to cancel the order if the delay is due to force majeure causes or postponements not attributable to BUROCCO
INDUSTRIAL VALVES S.r.l. However, delays will be communicated accordingly.
8.
PENALTIES
Tel.: +39 015 76.72.78 —Fax: +39 015 76.71.36
Penalties are valid only if expressly accepted in writing by BUROCCO INDUSTRIAL VALVES S.r.l. and include any damage
caused by delay in delivery.
9.
PACKAGING
Standard packaging is included in the price. Special packaging, crates or with special protective enclosures are nonreturnable and will be invoiced at cost, unless otherwise agreed.
10.
TRANSPORT
Even if sold carriage free, the goods travel at the risk of the purchaser. In the event the order does not specify the shipment terms, BUROCCO INDUSTRIAL VALVES S.r.l. will act according to its experience (prior approval of the customer) without assuming any liability.
Burocco reserves the right to make improvements without prior notice
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BUROCCO INDUSTRIAL VALVES srl VIA NOVEIS, 33 – 13867 PRAY (BI) - ITALY
11.
ITEMS RETURNED BY THE CUSTOMER
Any material returned must be previously required in writing and authorised. Nevertheless, BUROCCO INDUSTRIAL
VALVES S.r.l. reserves the right to accept or reject the returned material in the event this is damaged, non-compliant with
the appearance or evidently tampered with. In any case, the material to be returned cannot refer to supplies made four
months prior to the date of the return request. Returns of customised products will not be accepted.
12.
REPAIRS/MAINTENANCE
Goods dispatched for REPAIRS/MAINTENANCE must be requested in written and authorised. The sent form must be then
filled up in every single part, as for the RECLAMATION of the material, and authorised. Nevertheless, BUROCCO INDUSTRIAL VALVES S.r.l. reserves the right to accept or reject the returned material in the event this is not duly reclaimed and
non-compliant with the appearance.
13.
PAYMENTS
Payments must be addressed to BUROCCO INDUSTRIAL VALVES S.r.l., operational headquarters in Pray (BI). In compliance
with Italian L. Decree n. 192 dated 09/11/2012 relating to action to combat delays in payment in commercial transactions,
We inform you that for all shipments made from 01/01/2013, the payment terms will expire within maximum "60 dd invoice date end of month", unless otherwise agreed between the parties in writing. Moreover, the new directive sets forth
that once the payment term has expired, default interests are automatically triggered, which correspond to the interest
rate applied by the ECB increased by 8 percentage points (ECB rate +8%), late payment interest is automatically triggered,
corresponding to the interest rate applied by the European Central Bank increased by 8 percentage points (ECB+8%), in
addition to the minimum amount of € 40.00 by way of compensation for damages, without prejudice to the possibility of
charging further damages for service costs (legal expenses) for recovery of the debt and bank costs.
14.
WARRANTY - LIABILITY
burocco@burocco.it —www.burocco.it
BUROCCO INDUSTRIAL VALVES S.r.l. guarantees that the products supplied are free from defects in materials (other than
hidden defects), construction and operation for a duration of 24 months from the date of supply (in compliance with art.
1519, sec. II, chapter I, title III, book IV C.C. and subsequent European Directive 1999/44/EC). No delay in installation can
justify requests for extensions of the warranty, unless previously agreed . The warranty does not include any liability for
any damage caused to persons and/or property, nor any damage caused by incorrect installation of the product due to
negligence, failure to comply with the rules and limits of operation or inappropriate conditions of transport and/or storage. Any claims must be notified in writing within eight days from the receipt of the goods, stating the type of defect
found;
claims
cannot
interrupt
the
established
terms
of
payment.
No claim can be considered if the customer has not complied with its contractual obligations or the product shows evident signs of tampering or faults due to improper installation or operation, or to use (even if only occasional) in operating
conditions exceeding the values indicated for each product. In the event the product is intended for food use or use with
dangerous fluids (explosive, flammable, toxic and oxidant), it is necessary to contact the manufacturer before use. BUROCCO INDUSTRIAL VALVES S.r.l.'s liability shall be limited solely to replacing any parts found with construction faults
attributable to the manufacturer, following return of the parts carriage paid. No claim for damages attributable to these
items will be recognised. This warranty replaces any other warranty requested by the customer. The standard paint applied by BUROCCO INDUSTRIAL VALVES S.r.l. on the product has the sole purpose of protecting the valves during transport and the storage period with a maximum duration of 12 months from the date of delivery. No guarantee is given for
the suitability and durability of this paintwork in specific conditions of use (temperature, humidity etc.). In all cases, the
paintwork, even if done according to the customer's specifications, is considered a wearing part and its durability is, therefore, not guaranteed.
15.
RESERVATION OF TITLE
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Pursuant to Article 4 of European Directive 2000/35 CE, all goods supplied by BUROCCO INDUSTRIAL VALVES S.r.l. shall
remain the exclusive property thereof until complete payment of the amount due. In case of default in whole or in part,
BUROCCO INDUSTRIAL VALVES S.r.l. may claim ownership wherever the goods may be, even if incorporated in goods that
are the property of the purchaser or of third parties.
16.
DISPUTES
For any dispute or disagreement concerning the conditions of sale, in derogation of the provisions of Book I, Section III of
the Italian Civil Procedure Code, any competing jurisdiction is excluded and the Court of Biella shall be deemed to have
sole competence. For anything that is not expressly agreed between the parties, current Italian legislation shall apply,
together with the customary practices of the engineering industry recognised by the Chamber of Commerce of Biella. Any
other dispute concerning or connected with an international sale contract, including those relating to its interpretation,
validity, execution and termination, shall be subject to formal arbitration, according to the ordinary or fast arbitration
procedure (depending on the value), in compliance with the Regulations of the International Arbitration Chamber of Milan. The language of arbitration shall be Italian.
Burocco reserves the right to make improvements without prior notice
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