A42H Spring Loaded Safety Valve, ASME, API 526, GB/T 12243-2005

China Spring Loaded Safety Valve Manufacturer Shinjo Supplies A42H Spring Loaded Safety Valve, ASME, API 526, GB/T 12243-2005, 150-900LB, PN16-PN320.

Structure and Parameter:

Valve Design: ASME, API 526, GB/T 12243-2005

Material: A216-WCB, A216-WCC, A217-WC6, CF3, CF3M, CF8, CF8M.

Pressure Grade: 150Lb, 300Lb, 600Lb, 900Lb, PN16~PN320

Seal Test Pressure: 0.9PS

Discharge Pressure: ≤1.1PS

Back Seat Pressure: ≥0.85PS

Lift Height: ≥(1/4)do

Coefficient of Discharge: G-0.75

Connection Flange: ASME B16.5, GB/T 9113.1/2-2000.

 

 

 

 

Codes and Standards:

United States

ASME (American Society of Mechanical Engineers) Boiler & Pressure Vessel Code, Section I

ASME (American Society of Mechanical Engineers) Boiler & Pressure Vessel Code, Section VIII, Division 1

API (American Petroleum Institute) Recommended Practice 520 and API Standard 526, API Standard 2000 (low pressure - Storage tank

 

European Union

European standard steam boiler safety valveISO 4126 (harmonized with European Union directives)

EN 764-7 (former CEN standard, harmonized with European Union directives, replaced with EN ISO 4126-1)

AD Merkblatt (German)

PED 97/23/EC (Pressure Equipment Directive - European Union)

 

China

JB/T308-2004 <Valves Code>

GB/T12241-2005 <Safety Valves’ Design, Manufacture and Test>

GB/T12243-2005 <Safety Valves’ Design, Manufacture and Test>