Cla-val, When ordering please specify, Purchase specification – Cla-Val 750B-4KG User Manual
Page 6: Dimensions, Performance specification, Design specification, 42 main valve)

CLA-VAL
PO Box 1325 Newport Beach CA 92659-0325
Phone: 949-722-4800
Fax: 949-548-5441
Web Site: cla-val.com
E-mail: [email protected]
CLA-VAL CANADA
CLA-VAL EUROPE
4687 Christie Drive
Beamsville, Ontario
Canada LOR 1B4
Phone: 905-563-4963
Fax: 905-563-4040
E-Mail: [email protected]
Chemin des M
é
sanges 1
CH-1032 Romanel/
Lausanne, Switzerland
Phone: 41-21-643-15-55
Fax: 41-21-643-15-50
E-Mail: [email protected]
Copyright CLA-VAL 2005 Printed in USA Specifications subject to change without notice.
CLA-VAL UK
Dainton House, Goods Station Road
GB - Tunbridge Wells
Kent TN1 2 DH England
Phone: 44-1892-514-400
Fax: 44-1892-543-423
E-Mail: [email protected]
©
E-750B-4KG1 (R-8/06)
Represented By:
When Ordering
Please Specify
1. Catalog No. 750B-4KG1
2. Valve Size
3. Fluid Being Handled
4. Fluid Temperature Range
5. Inlet Pressure Range
Purchase Specification
The Fire Pump Pressure Relief Valve shall modulate to relieve
excess pressure in a fire protection system. It shall maintain
constant pressure in the system regardless of demand changes.
It shall be pilot controlled and back pressure shall not affect its set
point. It shall be actuated by line pressure through a pilot control
system and open fast in order to maintain steady system pressure
as system demand decreases. It shall close gradually to control
surges and shall re-seat drip-tight within 5% of its pressure set-
ting. This valve shall be UL Listed and Factory Mutual approved.
The control valve shall be constructed of a 316L stainless steel
body and only one moving part, an elastomeric liner or control
element. Minimum rangeability shall be 500:1 based on capacity
at flowing pressure conditions. Cf shall be greater than or equal
to 0.9. Valve and control system shall be similar in all respects to
Cla-Val Model 750B-4KG1 as manufactured by Cla-Val, Newport
Beach, California.
3/8" N.P.T.
3 PORTS
"A" TYP.
"BB"
DIA.
FLOW
"CC"
2", 3", 4" and 6" Wafer Style
"E" N.P.T.
"E" N.P.T.
"E" N.P.T.
"D"
DIA.
"B"
DIA.
"C"
6", 8",10" and 12" Flanged Style
Dimensions
(100-42 Main Valve)
Performance Specification
Capacity:
See Technical Data Sheet
Cf Factor:
0.9
Cavitation:
See Technical Data Sheet
Rangeability:
500:1
Bearing Friction:
No friction from slip-type
bearings
Design Specification
Sizes:
2, 3, and 6 inch wafer style
6, 8, 10, and 12 inch flanged
End Detail Wafer:
Fits ANSI B16.5 class 125,150,
250, and 300 flanges
End Detail Flanged:
ANSI B16.5 class 150
(fits class 125) or
ANSI B16.5 class 300
(fits class 250)
Maximum Relief Pressure:
3" thru 10" 150 lb. class - 200 psi
3" thru 10" 300 lb. class - 300 psi
Approvals:
U.L. Listed.........Sizes 3" thru 10"
FM Approved....Sizes 3" and 4"
Not UL or FM.... Sizes 2" and 12"
Maximum Differential:
150 psid continuous,
225 psid intermittent*
Reverse Pressure
:
125 psid maximum
Temperature Range:
32 to 160 degrees F*
Flange Operating Pressure: Class 125-175 psi maximum
Class 150-275 psi maximum
Class 250-300 psi maximum
Class 300-720 psi maximum
*Temperature range depends on liner material. Higher differential pressure
ratings available.
6. Outlet Pressure Range
7. Maximum Differential Pressure
8. Minimum Differential Pressure
9. Maximum Flow Rate
10. Pilot Set Point
Valve Size
(Inches)
2
3
4
6
8
10
12
A
2
7
¼
8
3
9
¼
16
4
1
¼
8
5
1
¼
4
--
--
--
B
--
--
--
10
7
¼
8
14
3
¼
8
18
21
5
¼
8
BB
4
3
¼
8
5
7
¼
8
7
3
¼
8
9
13
¼
16
--
--
--
C
--
--
--
9
11
13
15
1
¼
4
CC
2
1
¼
2
3
1
¼
4
4
5
1
¼
2
--
--
--
D (ANSI 150)
--
--
--
11
13
1
¼
2
16
19
D (ANSI 300)
--
--
--
12
1
¼
2
15
17
1
¼
2
20
1
¼
2
E (Ports) NPT
--
--
--
3
¼
8
3
¼
8
1
¼
2
1
¼
2
Approx. Wt. (150 lbs.)
4
7
1
¼
2
14
58
115
190
290
Approx. Wt. (300 lbs.)
4
7
1
¼
2
14
87
155
250
375
Max. Continuous Flow (gpm)
224
469
794
1787
3177
4964
7148
Valve Size
(mm for ANSI)
50
80
100
150
200
250
300
A
73
90
105
133
--
--
--
B
--
--
--
276
356
457
549
BB
111
149
187
249
--
--
--
C
--
--
--
229
279
330
387
CC
64
83
102
140
--
--
--
D (ANSI 150)
--
--
--
279
343
406
483
D (ANSI 300)
--
--
--
318
381
445
521
E (Ports) NPT
--
--
--
3
¼
8
3
¼
8
1
¼
2
1
¼
2
Approx. kg. (150 lbs.)
1.81
3.63
6.35
30
54.43
89
151.5
Approx. kg. (150 lbs.)
with Studs & Nuts
2.72
4.54
10
--
--
--
--
Approx. kg. (300 lbs.)
1.81
3.63
6.35
41.73 72.57 116.57
191
Approx. kg. (300 lbs.)
with Studs & Nuts
5
6.35
11.8
--
--
--
--
Max. Continuous Flow (l/s.)
14
30
50
113
200
301
451