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（SV-S69） BRONZE SAFETY RELIEF VALVE

MODEL: SV-S67 / SVP-S67 WITHOUT LEVER

MODEL: SV-S69 / SVP-S69 WITH LEVER

The Disc can be replaced with PTFE for good effect of anti-leakage. （Model: SVP-S67, SVP-S69）

Spring: 1/2”~1”: Steel or SUS304 1.1/4”~2”: Steel.

When placing order, please indicate Working Pressure

Working Fluid : S67	Non-Corrosive Gas, Non-Corrosive Liquid, Air, Steam, Water, Oil.
Working Fluid : S69	Non-Corrosive Gas, Air, Steam.
Working Temp:	-45℃～185℃
Working Pressure:	SV-S67 / SV-S69 : 0.3 ~ 10 Kgf/cm²11 ~ 20 Kgf/cm² SVP-S67 / SVP-S69 （PTFE） 3 ~ 10 Kgf/cm²
Thread End:	BSPT （BS21）, NPT （ANSI B2.1）

MATERIAL:
No./ Parts		W/O Lever	SV-S67	SVP-S67
No./ Parts		With Lever	SV-S69	SVP-S69
	Type :		METAL TO METAL	PTFE
1	Valve Seat		SUS304	SUS304
2	Valve Disc / Seal		FORGE BRASS	BRASS + PTFE
3	Valve spindle （Stem）		BRASS	BRASS
4	Valve Body		BRONZE	BRONZE
5	Spring Shoe		BsBM	BsBM
6	Adjusting Screw		BsBM	BsBM
7	Stop Nut		BsBM	BsBM
8	Cap		FORGE BRASS	FORGE BRASS
9	Lever （Type: S69）		STEEL	STEEL
10	Spring		SUS304 / STEEL	SUS304 / STEEL
11	Screw Washer		BsBM	BsBM
12	Hexagon Nut		BsBM	BsBM
13	Stop Bolt		BsBM	BsBM
14	Pin		BsBF	BsBF

This type of safety valve is characterized by regulating of pressure in valve rising and blowing-out when actuated and is the smallest and lightest valve, and also can be used in non-corrosive gases （air, oxygen, nitrogen, etc.） steam and liquids, such as water and oil. The sizes shown in the chart are subject to change without notice.

Nominal Diameter	Valve Seat Diameter D	Lift l	Effective Area mm²			L1 E	L2 F	Fitting Screw		Closed Type		Lever Type
Nominal Diameter	Valve Seat Diameter D	Lift l	2.22Dl	πD l	0.785D²	L1 E	L2 F	Inlet d1	Outlet d2	A mm	Weight	A1 mm	Weight
12	12	0.52	13.32	18.84	113.0	29	50	PT 1/2	PF 1/2	138	0.52	161	0.59
19	19	0.76	32.05	45.36	283.3	36	58	PT 3/4	PF 3/4	150	0.66	172	0.74
25	25	1.00	55.50	78.53	490.6	40	70	PT 1	PF 1	180	1.09	202	1.19
32	32	1.28	90.93	128.67	803.8	50	82	PT 1.1/4	PF 1.1/4	206	1.90	222	1.94
38	38	1.52	128.22	181.45	1133.5	54	93	PT 1.1/2	PF 1.1/2	231	2.35	246	2.39
50	50	2.00	222.00	314.15	1962.5	67	102	PT 2	PF 2	265	3.85	282	4.11