High performance valve solutions engineered for seawater, naval systems and defense critical applications demanding corrosion resistance and reliability
Non Ferrous - Butterfly Valves
Butterfly Valve in non-ferrous construction (GM BS1400 LG4C / NAB NES747 Part II / Bronze RG5), available in DN 40–DN 1200, PN6–PN25, with flanged, wafer, or lug end connections, metal or laminated seating, and pneumatic, electric, gear box, or lever actuation.
QUEST Flow Controls provides robust valve solutions for the marine and defense sectors, where reliability in harsh saltwater environments and mission critical systems is non-negotiable. Our valves are built with corrosion resistant materials including stainless steel, duplex and super duplex alloys, along with specialized coatings such as Nylon 12 and NXR to withstand prolonged seawater exposure. From ballast water management and cooling systems aboard vessels to fluid handling in naval defense platforms, QUEST valves deliver bidirectional bubble tight shutoff, extended cycle life and compatibility with international marine and military standards. Every valve is 100% pressure tested and fully serialized, ensuring traceability and mission readiness.
Our supplies to marine / defense
Non Ferrous - Butterfly Valves
Butterfly Valve in non-ferrous construction (GM BS1400 LG4C / NAB NES747 Part II / Bronze RG5), available in DN 40–DN 1200, PN6–PN25, with flanged, wafer, or lug end connections, metal or laminated seating, and pneumatic, electric, gear box, or lever actuation.
DetailsOur supplies to marine / defense
Quality certifications for marine / defense
ISO 14001-2015
ISO 45001-2018
ISO 9001-2015
DNV-GL
DGQA
IRS
ABS
LR
RINA
SIDM
Bureau Veritas