API 6A Shear Pin Safety Relief Valve

Product Model

QZL1-SF-35

Design & Manufacture Standard

API Specification 6A

Pressure Rating (Working Pressure)

2000 psi, 3000 psi, 5000 psi, 10000 psi, 15000 psi

Nominal Size (Bore)

46 mm (1-13/16″) to 180 mm (7-1/16″)

Shear Pin Specification

Diameter: 6.7 mm (Customizable for specific set pressure)

Product Specification Level (PSL)

PSL 1, PSL 2, PSL 3, PSL 3G

Performance Requirement (PR)

PR1, PR2

Material Class (per API 6A)

AA, BB, CC, DD, EE, FF, HH (Sour Service)

Temperature Rating

Grade K (-46°C to 82°C), Grade L (-46°C to 121°C)

Service Media

Oil, Natural Gas, Drilling Mud, Sour Service (H₂S)

مادة الجسم

Forged Alloy Steel (e.g., A694 F60) per selected Material Class

End Connection

API 6A Flanges (6B or 6BX Type)

Reset Requirement

Mandatory replacement of the certified shear pin after activation. Weekly replacement recommended as preventative maintenance.

Weight (Approx.)

35 kg (Varies by size and pressure rating)