Dual Disc Check Valve – Rubber Seated, Wafer Type (Model H76X)
Description
Dual Disc Check Valve – Rubber Seated, Wafer Type (Model H76X)
Epoxy-Coated DI Body | Nickel-Plated Discs | EPDM/FKM Seat Options
Technical Specification Sheet
| Category | Specification |
|---|---|
| Model | H76X |
| Design Standard | API 594 / EN 12334 |
| Valve Type | Uni-Directional Rubber Seated Dual Disc Check Valve (Wafer Pattern) |
| Body | Ductile Iron ASTM A536 Gr. 65-45-12 ▶ Coating: Fusion-Bonded Epoxy (200µm, ISO 12944-C5) |
| Discs | Ductile Iron ASTM A536 Gr. 65-45-12 ▶ Protection: ・Electroless Ni-P Plating (50µm, ASTM B733) ・Integral 304SS Wear Pads |
| Seat System | Standard: EPDM Rubber (FDA 21 CFR §177.2600) Upgrades: ・NBR (-30°C~80°C) ・FKM (-20°C~150°C) Fire-Safe: Metal Seat (ISO 10434) |
| Pressure Rating | PN16 / ANSI 150LB (Tested to 2.4 MPa) |
| Size Range | DN50 to DN600 (2″ to 24″) |
| Flow Efficiency | Cv ≥190 (Low-Torque Hinge, Full Port Design) |
| Key Performance | ▶ Seat Leakage: API 598 Class IV ▶ Closure Speed: ≤0.35 sec (Water Hammer Protected) ▶ Cycle Life: >10,000 cycles ▶ Cracking Pressure: 0.04 bar (Min.) |
| Certifications | ・PED 2014/68/EU Cat. III ・WRAS Approved ・ISO 5208 Rate A |
| Ordering Code | H76X-[SIZE]-[PRESSURE]-[SEAL]▶ Example: H76X-DN150-PN16-EPDM |
