Safety valves
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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)
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Valve Type Spring Loaded, Full Lift
Design Standard API 520 (Sizing, Selection & Installation)
Testing & Seat Tightness Std. API 527
Size & Orifice As per API 526 (e.g., 2″x3″, Orifice ‘D’)
Pressure Rating (Class) 150, 300, 600 (or PN16/25/40/63)
Set Pressure Range 10 to 400 PSIG (0.7 to 27.6 BAR)
Operating Temp. Range -20°C to +300°C (Standard)
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