THE ZGV DUAL PLATE WAFER CHECK VALVES DESIGNING FEATURES
» Compact Wafer Style Reduces Installation Time, Minimizes Space Required For Installation, and Results in Low Initial Unit Cost.
» Specially Designed Torsion Spring Closes Discs upon Pump Shutdown Minimizing Water Hammer
» Dual Disc Design Increases Valve Sensitivity to Fow, Alowing Discs to Close Quickly.
» Retain Hnge and Stop Pins While Providing Compression to Stabilization Spheres.
» Stabilize Hinge and Stop Pins, Preventing Vibriation and Wear.
» Thrust Bearing Reducing Friction and Wear During Disc Action.
» Heavy Duty Construction Hinge Pin With Increased Bearing Surface and Strength.
» Pressure Sensitive Seating With Full Disc Overlap Provides Positive Seating at High and Low Pressures.
» Fusion Bonded Expoxy Coating Outside and Interior Parts Meeting NSF Standards Requirements
» Optional Counterweight or Bypass Devices

STANDARDS COMPLIANCE:
» API 594, ASME B16.34, EN1171, DIN 3202, BS 4504
» ASME B16.10, MSS SP-71, BS EN558
» ASME B16.1 CLASS 125, ASME B16.5 CL150, EN1092, EN12226
» ISO 5208, API 598

» Sizes: DN50 through DN1200
» Body Styles: End connections Wafer Ends
» Pressure Class: PN10, PN16, ANSI #125B or 150B.