Cast iron check valve
DN 50 - 1800, PN 320 | DUO-CHEK II
Crane Process Flow Technologies GmbH
* Dual plate principle
* Soft and metallic sealing
* DN 50 - 1800
* PN 6 - 320 / ANSI class 150 to 2500
* ·-257°C to 537°C
* Operating pressures up to p=320 bar
* Face-to-face dimension 2) acc. to API 594
* Wafer, lug and double flanged bodies
Standard materials:
* Body: Cast steel, stainless steel all alloy qualities
* Plate: Cast steel, stainless steel all alloy qualities
* Spring: Stainless steel, Inconel
* Seals: EPDM, Buna-N, Viton-B, metal
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