Pressure safety valve is a kind of safety protection valve, its opening and closing parts under the action of external force in a normally closed state, when the equipment or pipeline medium pressure rises, exceeds the specified value when the automatic opening, through the system to discharge the medium to prevent the pipeline or equipment medium pressure exceeds the specified value.

Size: 1 1/2" F 2"

Pressure:600LB

Material:Stainless steel CF8M

Pressure Safety Valve

 

 

1. The safety valve should be installed vertically and at the gas phase interface of the container or pipeline.

2. The outlet of the safety valve should have no resistance to avoid back pressure.

3. No valve shall be installed between the pressure-bearing equipment and the safety valve.

 

 

Provided as safety device for protection against excessive pressure in pressure vessels

Approved for gases and fluids.

Working temperatures: -60°C up to +300°C for stainless steel material, -29°C up to 300°C for cast steel material.

 

 

Stainless Steel Pressure Safety Valve are used for the equipment and pipelines with such media as air, petroleum gas and liquids at a working temperature less than 300°C.

 

 

Mormal Pressure	PN	150	300	600	900	150
Body strength	Ps(Mpa)	3.0	7.5	15	22.5	38
Set pressure	Pk(Mpa)	0.1-2	1.6-5	3.2-10	8-25	10-25
Seal pressure	Pm(Mpa)	90%Pk
Reseation pressure	Ph(Mpa)	≥90%Pk
Relieving Pressure	Pp(Mpa)	≤1.1Pk
Lift height	H(mm)	≥1/4 d0
Appropriatetemp.	C (WCB) P, R (SS304, SS316)			≤300℃ ≤200℃
Appropriate Medium	Air, Oil, Steam, Water, Corrosive medium

 

 

NO	Name of part	Materials A42H-C	Materials A42Y-P	Materials A42Y-R
1	Body	WCB	CF8	CF8M
2	Nozzle	2Cr13/ 304	CF8	CF8M
3	Adjusting Ring	2Cr13/ 304	304	316
4	Disc	2Cr13/ 304	304	316
5	Guide sleeve	2Cr13/ 304	304	316
6	Bonnet	WCB	CF8	CF8M
7	Spring	ASTM 6150	ASTM 6150 coated teflon	ASTM 6150 coated teflon
8	Stem	2Cr13	304	316
9	Adjusting bolt	45	2Cr13	2Cr13
10	Cap	A126	CF8	CF8M
11	Bellows	304	316	316

 

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