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Dual Disc® Check Valve
Brand: Val-Matic Valve & Mfg CorporationThe Dual Disc® Check Valve with its compact wafer design and low cost have made it a popular choice when space and price are major factors in valve selection.
The compact design features non-slam spring-assisted closing.
- Wafer Style available in sizes 2"- 66"
- Grooved End Style available in sizes 2”- 12”
- ANSI Class 125 and ISO PN 10 and PN 16 connections for Wafer
- IPS connections for Grooved End
- Available for Air Service (Contact Factory)
- Cycle tested 50,000 cycles to assure long, trouble free life
- Manufactured under a certified ISO 9001 quality system
Certifications
- NSF 372 Certified Lead-Free
- NSF 61 Certified for Drinking Water
- Meets AWWA C518 requirements
- UL Approved 2 1/2" to 12"
- FM Approved 2 1/2" to 16"
- Lift and Pivot Action - reduces seat wear, prolongs seat life
- Stabilization Spheres - prevent vibration and wear
- Disc Seal Overlap - provides positive seal, prevents seat distortions
- Disc Stabilization - prevents disc flutter
- Flow Sensitive Closure - spring assisted closure minimizes the potential for water hammer
- Pressure Sensitive Vulcanized Seats - provide tight closure at both low and high pressures
- Body Alignment Fins - provide precise alignment in ANSI 125 and ISO PN10 and PN16 installations
Specifications
Valve Size
- 2" to 60"
Valve Style
- Wafer Style
- Grooved End Style
- Lug Style
Certifications & Approvals
- NSF 372 & 61
- AWWA C518
- ISO 9001
- UL
- FM
Body Material
- Cast Iron/Ductile Iron
Seat Material
- Buna-N
- Viton Optional
Spring Material
- T316 Stainless Steel, ASTM A313
- 17-7PH Stainless Steel, ASTM A313
- Inconel X750 Optional
Disc Material
- Bronze ASTM B584, C87600
- Aluminum Bronze ASTM B148, C95200
- Ductile Iron ASTM A536, Grade 65-45-12 Electroless Nickel Plating, Stainless Steel ASTM A351 Grade