1” and 1-1/2” GEN2 Check Valve | Technical Marketing Sheet
Dependable check valve performance you can count on to prevent unwanted backflow within your control systems. Gilmore announces the new GEN2 Check Valve product line for critical offshore and subsea applications. The 1” and 1-1/2” GEN2 Check Valves have been redesigned with significant improvements, that fit within the same cavity and footprint as the legacy Check Valve, allowing direct replacement inline or within existing Gilmore Check Valve Cartridge manifolds. Gilmore’s proprietary valve technology provides an order of magnitude improvement in cycle life. FUNCTIONAL DESIGN SPECIFICATIONS 1”(1-1/2”)
Figure 1. PN 29153: GEN2 Check valve, Pilot Operated
Features and benefits • Qualification exceeds API 16D requirements Two valves, 2500 cycles each • Multiple external interface options • Improved seat design • Bolted cover design
Maximum Allowable Working Pressure
5000 PSI
Standard Cracking Pressure*
80 PSI
Recommended Maximum Operating Flow
200 GPM (300 GPM)
Flow Coefficent (Cv-Calculated)
9 (15)
Qualified Life Cycle
2500 Cycles
Operating Temperature Range
+32˚F to +150˚F
Acceptable Operating Fluid Types
Water or mineral oil-based drilling control fluid
Mounting Restrictions
None**
US Patent
Pending
Maximum Operating Depth
15,000 ft
*Cracking pressure options available. **No known mounting restrictions.
• Damped seal sleeve • Hydraulic Piloted and Non-piloted options • Field serviceable • Improved valve materials: A286/A453 Gr 660 bolting 17-4 (H1150D) body Inconel X-750 spring Nitronic 60 sleeve, cage, and piston PEEK back up rings HNBR elastomer seals Delrin 511P seats
INFO@Gilmore.com www.gilmore.com GEN2 Check Valve 1&1-1/2 inch-4.24.2025
Figure 2: PN 29153
Figure 3: PN 29171
Figure 2: PN 29153, GEN2 Check valve, Pilot Operated and Figure 3: PN 29171, GEN2 Check Valve Non-Piloted