Standard and bolted bonnet all stainless steel knife gate valves for low emissions All stainless steel design Standard knife gate valves: NPS 2–24 (DN 50–600) Bolted bonnet knife gate valves: NPS 4–24 (DN 50–600) ASME Classes: 1690-4500 0-14ph packing standard Locking device on standard knife gate valve Environmentally friendly bi-directional bolted bonnet and standard body styles Resilient and metal seats

  Velan's proven pressure seal design. No penetration of hinge pin to outside eliminating possibility of pin seal leakage and allowing for in-line service. Compact cage unit: all moving parts are attached to the carrier and can be removed easily for service. Forged seat/disc is CoCr alloy, ground and lapped to a mirror finish for maximum erosion resistance and long service life. It is seal-welded to the body. Disc can partially rotate for tight shutoff. In the fully open position, it rests against a stop. CoCr alloy bearings for hinge pin. Easy in-line service. All parts are easily accessible for maintenance. Seating faces can be re-lapped. Forged bonnet.