H.P.Valves
 
SAFETY VALVES
 
DESIGN FETURES
MANUFACTURING STANDARD:API-526
TESTED AS PER : API 527
ENDS FLANGED (DRILLED & UNDRILLED) AS PER ANSI B 16.5 CLASS-150 R.F.
BODY HYDROSTATIC TEST PRESSURE TWICE THE SET PRESSURE
SET PRESSURE 1kg/cm2 TO 21 kg/cm 2
TEMPRETUR-425°C
TECHNICAL PARAMETERS
Valve Size
Orifice Code
Orifice dia(mm)
A
B
C
Min Valve Liff(mm)
25 x 50
D
9.5
105
114.5
470
3.0
25 x 50
E
12.5
105
114.5
470
4.0
25 x 50
G
23.0
105
114.5
470
6.0
40 x 50
F
16.0
124
120.5
520
4.0
40 x65
G
23.0
124
120.5
530
5.0
40 x 80
H
28.0
130
124.0
530
7.0
40 x 80
J
32.5
130
124.0
575
8.0
50 x 80
H
28.0
133
124.0
530
7.0
50 x 80
J
32.5
133
124.0
575
8.5
65x100
J
32.5
136.5
143.0
595
8.5
80x100
K
41.5
155.5
162.0
690
10.5
80x100
L
50.0
155.5
165.0
690
13.5
100x150
P
72.5
181.0
228.5
900
18.5
100x150
Q
95.5
181.0
228.5
900
25.0
150x200
Q
95.5
239.5
241.5
1445
25.0
150x200
R
115.0
239.5
241.5
1445
30.0
200x250
T
146.0
276.0
279.5
1500
37.0
MATERIALS OF CONSRUCTION
25 SCREW S.S 304 1
24 GASKET Graphite 1
23 SPINDLE NUT M.S. 1.
22 SPINDLE WASHER S.S.304 1
21 PIN S.S.304 1
20 LEVER ADJUSTING WAHER S.S.304 1
19 SPINDLE S.S.304 1
18 SETING NUT AISI 410 1
17 SETING SCREW AISI 410 1
16 SPRING SPRING STEEL 1
15 LEVER PIN AISI 316 1
14 LEVER

C.I.

 1
13 FORK C.I. 1
12 POPING RING SCREW S.S.304 1
11 SEAT HOLDER AISI 316 1
10 BALL AISI 316 1
9 VALVE SEAT AISI 316 1
8 DISCHOLDER AISI 316 1
7 POPING RING S.S.304 1
6 NOZZLE AISI 304 1
5 GUIDE AISI304 1
4 SPRING WASHER M.S. 2
3 CAP C.I. 1
2 BONNET ASTMA 216 GRWCB 1
1 BODY ASTMA 216 GRWCB 1
SR NO PARTS MATERIAL QTY.
IBR APPROVED WITH DISCHARGE CAPACITYCONSTANT OF 24'
ACCURATE SPRING DESIGN TOACHIEVE BLOW DOWN WIHIN 5% WHICH SAVE WSTAGE OF STEAM
SOFT SEATED SAFETY RELIEF VALVES ARE USED FOR LOW TEMPERATURE AND CRITICAL APPLICATION
WHILE ENQUIRY PLEASE SPECIFY
SET PRESSURE
FLOW MEDIUM
FLOW RATE
     
 

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