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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/cm²TEMPERATURE – 425^oC
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

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	3.0
25 x 50	E	105	114.5	470	4.0
25 x 50	G	105	114.5	470	6.0
40 x 50	F	124	120.5	520	4.0
40 x 65	G	124	120.5	530	5.0
40 x 80	H	130	124.0	530	7.0
40 x 80	J	130	124.0	575	8.0
50 x 80	H	133	124.0	530	7.0
50 x 80	J	133	124.0	575	8.5
65 x 100	J	136.5	143.0	595	8.5
80 x 100	K	155.5	162.0	690	10.5
80 x 100	L	155.5	165.0	690	13.5
100 x 150	P	181.0	228.5	900	18.5
100 x 150	Q	181.0	228.5	900	25.0
150 x 200	Q	239.5	241.5	1445	25.0
150 x 200	R	239.5	241.5	1445	30.0
200 x 250	T	276.0	279.5	1500	37.0