Figure 65

Resilient Seated Knife Gate Valve

Specifications:

• Heavy duty cast ductile iron body, packing gland and yoke for the most rugged service.
• Heavy duty solid lug body design.
• Urethane liner and seat provide bi-directional bubble tight seal across gate from 0 to 150 PSI.
• Seat is flush with the bottom of the port, eliminating pockets in the bottom of the valve to collect material in media such as slurries, pellets, or powders.
• Urethane liner is a one-piece, molded-in-place full body liner with integral seat for temperatures to 165F.
• Stainless steel gate and stem provide corrosion resistance and durability.
• MSS SP-81 face-to-face and flange dimensions.
• Easy conversion from handwheel operator to hydraulic or pneumatic cylinder, bevel gear, chainwheel, electric motor, or fail safe spring cylinder operator using existing cast yoke.
• Enclosed bronze stem bushing provides reduced operating torque and protects the stem bushing in harsh environments.
• Superior packing arrangement provides improved sealing performance in high cycle applications.
• Full packing seal around gate minimizes the potential for packing leakage.
• Minimum 4 bolt packing gland to assure proper gland alignment in all sizes.
• Standard TFE lubricated synthetic packing (TLSP).
• Time proven urethane liner provides the best resistance in abrasive applications.
• Full port ID.
• MSS SP-81 Stainless Steel, Bonnetless, Flanged Knife Gate Valves.