Stainless Steel Safety Valve, ASTM A182 F304, 1/4 IN, CL150

Product Name: Stainless Steel Safety Valve
Body Material: ASTM A182 F304
Size: 1/4 Inch, DN8
Pressure: Class 150 LB, PN10
End Connection: A505 Thread
Medium: Water, Gas, Corrosive Liquids, etc

The A505 Series Safety Valve is designed to protect fluid and gas systems from overpressure by automatically releasing excess pressure when it exceeds the pre-set limit. This ensures system stability and prevents damage to equipment. It is suitable for use in water systems, hydraulic circuits, corrosive liquids, and gas pipelines, with applications across gas distribution systems, medical devices, automotive accessories, testing equipment, and air compression systems.

Technical Specifications

Model: A505
Size Range: 1/4 Inch
Pressure Rating: PN10
Operating Pressure Range: 0.1-100 bar
Material Options: SS 304, SS 304L, SS 316, SS 316L Stainless Steel
End Connections: BSP Thread, NPT Thread

Operating Principle

Once installed in the pipeline, the A505 safety valve automatically responds to system pressure. When the internal pressure reaches the pre-set value, the valve opens to discharge the excess, thus protecting the system from overpressure. The valve then reseats once normal pressure is restored, ensuring safe and continuous operation.

Structural Diagram

Stainless Steel Safety Valve Structural Diagram

Main Parts and Materials

No

Name of Parts

Materials

1

Spring Seat

SS 304

2

Spring

SS 304

3

Adjust Screw

SS 304

4

Nut

SS 304

5

Bonnet

SS 304

6

O-ring

EPDM/FKM

7

Disc

SS 304

8

Locked Nut

SS 304

9

Gasket

PTFE,FKM,EPDM,RPTFE

10

Body

SS 316/SS 304


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Zhejiang Kosen Valve Co., Ltd.

Zhejiang Kosen Valve Co., Ltd.


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Source: https://www.kosenvalve.com/stainless-steel-safety-valve-astm-a182-f304-1-4-in-cl150.html