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