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Tổng tiền thanh toán:
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Specifications
Sizes: True Union : 1 /2" – 2"
Single Union: 3" – 4"
Models: Socket, Threaded, Flanged (ANSI), Butt End
Bodies: PVC, CPVC, PP and PVDF
Seats: EPDM, FKM, PTFE
Seals: EPDM, FKM, PTFE
Standard Features (Sizes 1/2" - 2")
Sizes 1/2" - 4" PVC/EPDM/FKM Models NSF-61 Certified
All ball check valves and foot valves shall be of solid thermoplastic construction, and shall be designed with an elastomeric uniseat/seal for tight shut-off under pressure. Sizes 1/2" through 2" shall be of True Union design, while 3" & 4" shall be Single Union design. The same seal shall function as both the ball seat and the union seal. PVC shall conform to ASTM D1784 Cell Classification 12454-A, CPVC shall conform to ASTM D1784 Cell Classification 23567-A, PP shall conform to ASTM D4101 Cell Classification PP0210B67272 and PVDF shall conform to ASTM D3222 Cell Classification Type II. Ball Check valves and foot valves sizes 1/2"– 2" shall be rated 150 psi at 70 degrees F, 3" and 4" rated 100 psi at 70 degrees F
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