ASTM B62 C83600 Safety Valve, Bronze, DN25, PN10, Threaded

May 20, 2025

Product Name: Bronze Safety Valve with Lever
Body Material: ASTM B62 C83600
Lever & Spring: SS 304
Size: DN25, 1 Inch
Pressure: PN10, Class 150 LB
End Connection: S10LT Thread
Medium: Steam, Water, Oil, etc

The Safety Valve is designed for overpressure protection in a wide range of systems, including steam, boilers, oil, water, and air applications. Once installed in the pipeline, the valve automatically opens when system pressure reaches the preset limit, effectively releasing excess pressure to ensure safe and stable operation of the system.

Technical Specifications

Size Range: 1/2- 2 Inch
Pressure Rating: PN10
Operating Pressure Range: 0.1 – 35 bar
Material: Bronze C83600
End Connections: BSP Thread, NPT Thread

Structural Diagram

Main Parts and Materials

No	Name of Parts	Materials
1	Cap	Bronze ASTM B62 C83600
2	Lever	SS 304
3	Adjust Screw	CW617N
4	Nut	CW617N
5	Stem	CW617N
6	Spring	SS304
7	Body	Bronze ASTM B62 C83600
8	Spring Seat	CW617N
9	Disc	CW617N
10	Gasket	PTFE,FKM,EPDM,RPTFE
11	Buffer	CW617N
12	Gasket Ring	PTFE
13	Seat	CW617N

Main Dimensions

Inlet	D	Outlet	Lift	L1	L2	H
1/2 Inch	13	1/2 Inch	0.5	31	48	157
3/4 Inch	19	3/4 Inch	0.7	35	55	167
1 Inch	25	1 Inch	0.9	39.5	65	199
1-1/4 Inch	31.5	1-1/4 Inch	1.2	50.5	75	221
1-1/2 Inch	37	1-1/2 Inch	1.4	59	86	247
2 Inch	47	2 Inch	1.8	67	100	284