

The Non-Ferrous Butterfly Valve from QUEST Flow Controls is engineered for demanding flow control applications where superior sealing performance and corrosion resistance are critical. Designed for reliable and efficient operation the valve delivers consistent shutoff performance across thousands of operating cycles making it well suited for high cycle isolation and flow regulation duties.
Available in sizes from DN 40 to DN 1200 and pressure ratings from PN6 to PN25 the valve is offered in flanged, wafer and lug end connection styles to accommodate a wide range of piping configurations. Non-ferrous body materials include GM BS1400 LG4C (Gunmetal), NAB NES747 Part II (Nickel Aluminum Bronze) and Bronze RG5 providing excellent resistance to corrosion in marine, offshore, water treatment and chemical service environments.
Seating options include soft seated, metal seated and laminated seat configurations ensuring reliable performance across varying temperature and pressure conditions. The valve is adaptable to all major actuation methods including pneumatic actuator, electric actuator, gear box and manual lever enabling seamless integration into automated or manually operated systems.












Every non-ferrous product is supported by a quality process focused on reliability, performance, and safe operation.
Shock Resistance Tests
Noise and Vibration Tests
Antistatic Tests
Acceptance and Function Tests
Pressure Tests
Material Inspection
X-Ray Analyses
Dye Penetrant Testing
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Series RC resilient cartridge seated butterfly valves are manufactured under international standards (API 609, MSS-SP67, EN 593)