Wilkins 310 Single Detector Check Valve

The main body and access cover shall be epoxy coated ductile iron (ASTM A 536 Grade 4), the seat ring and check valve shall be Noryl™, the stem shall be stainless steel (ASTM A 276) and the seat disc elastomers shall be EPDM. The check valve shall be spring loaded and accessible for maintenance without removing the device from the line. The Detector Check Valve shall be a WILKINS Model 310.

Compliance:

(Unless otherwise noted, applies to sizes 4” & 6”)
• Factory Mutual 1045
• UL® Listed
• C-UL® Listed
• NYC MEA 303-02-E
• Certified to NSF/ANSI 372* by IAPMO R&T (4" - 8")
*(0.25% MAX. WEIGHTED AVERAGE LEAD CONTENT)
By-Pass Backflow Assembly 3/4" Model 910XL

Features:

• Sizes 4”, 6”, 8”
• Maximum working water pressure: 175 PSI
• Maximum working water temperature: 140°F
• Hydrostatic test pressure: 350 PSI
• End connections (Flanged): ASME B16.42 Class 150