| These bi-directional valves features a two-piece bolt-on body construction that allows quick replacement of the peripheral seal when required. Series 755 valves are identical to the FIG 752 valves except the additional provision of polyurethane bore liner. This feature provides additional erosion protection to the body flow bore and is recommended for very abrasive slurry services |  | | Type | Wafer, semi-lug, bi-directional knife gate valve; non-rising stem handwheel | | Typical Applications | Medium & Heavy duty abrasive/erosive slurry applications | | Sizes available | 50-600mm (2” to 24”); Full bore (same as Sch 40 pipe) | | Pressure rating | | Cast iron body | CWP 10 bar | | Steel body | CWP 10, 16 and 20 bar versions | | Face-to face | CWP-10 & 16 bar : Complies with MSS SP-81 CWP-20 bar : Proprietory | | Drilling | Available to suit most international flange standards | | Material availability | Standard; others on request | | Body | Cast Iron, Ductile Iron, Steel, stainless steel (304, 316) | Peripheral U-seal 
| | Gate | 304, 316 st. steel | | Seat / Leakage | Resilient U-seal – Nitrile / Viton options; Zero leak | | Options | Replaceable polyurethane body inserts
Replaceable polyurethane bore liners (FIG 752 with
this option is designated as FIG 755) | | Packing | PTFE syntex fiber with a nitrile QUAD layer standard; others on request | | Superstructure | Steel, epoxy painted | | Handwheel | Cast iron, epoxy painted | | Pneumatic actuators | Suitable model is VAAS RCGCx & RCMCx Series | | | |  |
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