
Features and benefits
• Qualification exceeds API 16D requirements
Two separate endurance tests at 2500 cycles each
Hyperbaric Chamber test to 100 cycles at 15,000 ft. depth
• Redesigned legacy ball type check to a more reliable guided poppet check mechanism
• Enhanced material selection across entire valve
• Shouldered poppet design to prevent reverse flow failure
• Field serviceable
• Improved valve materials: 316SS body
Nitronic 60 Poppet Check Mechanism
Delrin 511P seal seat
HNBR O-rings w/PEEK double backup rings
Nitronic 60 piston plunger Elgiloy Springs

Dependable check valve performance you can count on to prevent unwanted backflow within your control systems.
Gilmore developed the 1/2” GEN2 Check Valve product line to improve field performance in backflow prevention. Customer feedback was essential to the redesign of a more reliable and field serviceable valve.
FUNCTIONAL DESIGN SPECIFICATIONS
Maximum Allowable Working Pressure
Standard Cracking Pressure
Recommended Maximum Operating Flow
Flow Coefficent (Cv-Calculated)
Qualified Life Cycle
Operating Temperature Range
GPM
Cycles
to 150˚F
Acceptable Operating Fluid Types Water or mineral oil-based drilling control fluid
Mounting Restrictions
Maximum Operating Depth

ft
