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Safety Valve

Design features

  • MANUFACTURING STANDERD : 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 1 Kg/cm2 TO 21 Kg/cm2
  • TEMPERATURE – 425oC
  • IBR APPROVED WITH DISCHARGE CAPACITY CONSTANT OF ‘24’
  • ACCURATE SPRING DESIGNS TO ACHIEVE BLOW DOWN WITHIN 5% WHICH SAVES WASTAGE OF STEAM.
  • SOFT SEATED SAFETY RELIEF VALVES ARE USED FOR LOW TEMPRATURE AND CRITICAL APPLICATION

WHILE ENQUIRY PLEASE SPECIFY

  • SET PRESSURE
  • FLOW MEDIUM
  • FLOW RATE

MATERIAL OF CONSTRUCTION

SR.NO. PARTS MATERIAL QTY.
1 BODY ASTMA 216 GRWCB 1
2 BONNET ASTMA 216 GRWCB 1
3 CAP C.I. 1
4 SPRING WASHER M.S. 2
5 GUIDE AISI 304 1
6 NOZZLE AISI 304 1
7 POPING RING S.S. 304 1
8 DIS HOLDER AISI 316 1
9 VALVE SEAT AISI 316 1
10 BALL AISI 316 1
11 SEAT HOLDER AISI 316 1
12 POPING RING SCREW S.S. 304 1
13 FORK C.I. 1
14 LEVER C.I. 1
15 LEVER PIN AISI 316 1
16 SPRING SPRING STEEL 1
17 SETTING SCREW AISI 410 1
18 SETTING NUT AISI 410 1
19 SPINDLE S.S. 304 1
20 LEVER ADJUSTING WASHER S.S. 304 1
21 PIN S.S. 304 1
22 SPINDLE WASHER S.S. 304 1
23 SPINDLE NUT M.S. 1
24 GASKET Graphite 1
25 SCREW S.S. 304 1

TECHNICAL PARAMETERS

Vale size Orifice Code A B c Min.Valve Liff(mm)
25 x 50 D 105 114.5 470 3
25 x 50 E 105 114.5 470 4
25 x 50 G 105 114.5 470 6
40 x 50 F 124 120.5 520 4
40 x 65 G 124 120.5 530 5
40 x 80 H 130 124 530 7
40 x 80 J 130 124 575 8
50 x 80 H 133 124 530 7
50 x 80 J 133 124 575 8.5
65 x 100 J 136.5 143 595 8.5
80 x 100 K 155.5 162 690 10.5
80 x 100 L 155.5 165 690 13.5
100 x 150 P 181 228.5 900 18.5
100 x 150 Q 181 228.5 900 25
150 x 200 Q 239.5 241.5 1445 25
150 x 200 R 239.5 241.5 1445 30
200 x 250 T 276 279.5 1500 37

DESIGN FEATURES

  • H.P. MAKE VALVE HOUSING IS MAKE FROM HEAVY DUTY CATING
  • HEX PROVIDE ON VALVE BODY FOR SUITABLE EASY INSALLATION.
  • SEATS LAPPED TO OPTICAL FLATNESS.
  • DUAL CONTROL RINGS OFFER EASY ADJUSTABILITY FOR OPENING – AND EXACT BLOW DOWN CONTROL.
  • CLACK REDUCES SLIDING AREA AND FRICTION
  • HEAVY DUTY LIFT LEVER ASSEMBLY.
  • EVERY VALVE IS 100% TESTED / INSPECTED FOR PRESSURE SEATING BLOW DOWN AND LEAKAGE.
  • ALL ADJUSTMENT ARE SEALED TO PREVENT DISASSEBLY.
  • MANUFACTURING STANDARD : BS 6257
  • TESTED AS PER API 527
Max. Working Pressure : 300 PSI
Max. Working Temperature : 300O F

SR.NO. PARTS MATERIAL QTY.
1 BODY SS 1
2 NOZZLE SS 1
3 DISC SS 1
4 POPING RING SS 1
5 SPINDLE SS 1
6 SPRING CS 1
7 SPRING WASHER (UPPER & LOWER) SS 1
8 LEVER SS 1
9 SETTING LOCK NUT SS 1
10 SETTING SCREW SS 1
11 CAP SS 1
12 CAP LOCK SCREW SS 3

SR.NO. PARTS QTY.
1 SPRING HOUSING 1
2 BODY 1
3 MAIN VALVE 1
4 SPRING WASHER BOTTOM 1
5 M.S. BLOT WITH NUT 1
6 SS. SPRING 1
7 LEVER 1
8 SPRING WASHER TOP 1
9 PLASTIC CAP 1
10 LOCK PIN 1

SR.NO. PARTS MATERIAL QTY.
1 BODY SS 1
2 NOZZLE SS 1
3 DISC SS 1
4 POPING RING SS 1
5 SPINDLE SS 1
6 SPRING CS 1
7 SPRING WASHER (UPPER & LOWER) SS 1
8 LEVER SS 1
9 SETTING LOCK NUT SS 1
10 SETTING SCREW SS 1
11 CAP SS 1
C 15 20 25 40 50 65 80
L 199 199 199 222 260 270 270

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