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Pilot-Operated Relief Valve -- API 526/527 Natural Gas
Spring-loaded main valve with external pilot control for natural gas pipeline overpressure protection. API 526/527 compliant with soft-seat bubble-tight shutoff.
Key Applications
Technical Specifications
Material Options
Carbon Steel
ASTM A216 WCB, A105, A350 LF2
Stainless Steel
SS304, SS316, SS316L, SS321, SS347
Alloy Steel
ASTM A217 WC6, WC9, C5, C12
Duplex Steel
F51, F53, F55, Super Duplex
Exotic Alloys
Monel, Hastelloy, Inconel, Titanium
Bronze & Brass
Gunmetal, Aluminum Bronze, Naval Brass
Purchase Options
Features & Benefits
High Performance
Designed for reliable operation under demanding conditions with minimal maintenance requirements.
Quality Assurance
Complete material traceability, mill test certificates, and compliance with international standards.
Wide Application Range
Suitable for Natural Gas Distribution, Gas Transmission, Pipeline Safety and many other industrial applications.
Expert Support
Technical assistance for valve selection, sizing, and application engineering from our experienced team.