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| Type | Wafer, two lug, uni-directional knife gate valve; rising stem handwheel | | | Typical Applications | Medium & Heavy duty applications | | Sizes available | 50-1500mm (2” to 60”) | | Pressure rating | | | Cast iron body : | CWP 10 bar, 50-300mm (2” – 12”) size; lower on higher sizes | | Steel/St. steel : | CWP 10 bar, 50-600mm (2” – 24”) size; lower on higher sizes | | Face-to face | Complies with MSS SP-81 (upto 900mm (36”) size) | | Drilling | Available to suit most international flange standards | | Material availability | standard; others on request | | Body | Cast Iron, Steel, stainless steel (304, 316, 316L,317L, Hastelloy C) and many others | | Gate | 304, 316, 316L,317L st. steel; higher alloys | | Packing | PTFE syntex fiber standard; others on request | | Seat / Leakage | Metal-to-metal – As per MSS SP-81 (upto 900mm (36”) size | | | Resilient seats – EPDM, Chloroprene, Viton – Zero leak | | | PTFE – Max leakage of 4cc/min/inch (upto 600mm (24”) size | | Superstructure | Steel, epoxy painted | | Handwheel | Cast iron, epoxy painted | | Pneumatic actuators | Suitable model is VAAS CCGCx & CCMCx Series | | | | | |
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