DeZURIK, Inc produces a wide selection of knife gate valves. KGC cast stainless steel knife gate valves include sizes 2 to 36 inches. GKU knife gate valves are uni-directional with a full lug cast stainless steel body, stainless steel gate and stem in sizes 2 to 54 inches. For on-off applications, the KGN cast stainless steel knife gate valves with stainless steel body, gate, packing gland and stem in sizes 2 to 24 inches with 150 psi CWP.

FNW Valve produces knife gate valves in three models. The 61B stainless steel lined metal seated knife gate valves are equipped with a ductile iron body and stainless steel wetted parts. The 65B stainless steel lined metal seated knife gate valves are equipped with a stainless steel body and yoke. The 67B stainless steel lined metal seated knife gate valves are equipped with a stainless steel body and yoke, and a thrust ball bearing yoke bushing.

Velan Inc. produces bolted bonnet metal seated knife gate valves, bolted bonnet resilient seated knife gate valves, standard metal seated knife gate valves and standard resilient seated knife gate valves. Bolted bonnet metal seated and bolted bonnet resilient seated configurations are offered in a size range from 4 to 24 inches with lug connections and pressure rating up to 150 psig.

The Weir Group PLC  produces knife gate valves. The WB series and WS series suited for highly abrasive and corrosive applications. The WB Series of Isogate slurry knife gate valves are wide body and the heavy duty slurry knife gate valves offer full port flow and bi-directional shutoff in sizes from 18 to 54 inches.

Red Valve Co. manufactures knife gate valves for various slurry-handling applications within the power and mining industries. The company's knife gate valve types - all of which feature stainless steel bodies - include: slurry, large diameter, pneumatic, manual, pneumatic slurry, and manual slurry.

Weyvalve Inc. provides high performance knife gate valves in materials from cast iron to titanium.. Line of knife gate valve have designs for 150 psi CWP (cold working pressure), 300 psi CWP, and up to 1440 psi CWP. The WEY VL valves feature a size range from 2 to 30 inches with pressures of 150 psi for 2 to 12 inch valves and 90 psi for 14 to 30 inch valves. The WEY VS valves feature a size range from 2 to 24 inches with pressures of 150 psi for 2 to 12 inch valves and 60 psi for 14 to 24 inch valves The WEY DB valves feature a size range from 2 to 14 inches with pressures of 150 psi for 2 to 12 inch valves and 90 psi for 14 to 24 inch valves. The WEY NA1 valves feature a size range from 2 to 96 inches with pressures of 150 psi for 2 to 24 inch valves. The WEY TI3 valves feature a size of 3 inches with pressures of 150 psi. The WEY Sheargate valves feature a size range from 2 to 30 inches with pressures of 150 psi for 2 to 24 inch valves, 2 piece body, tight tolerances, smooth cycling and compression loaded seat rings.

Automated Valve & Equipment Co. supplies knife gate valves in the Orbinox Series 10, 20, 21 and 61. The Orbinox Series 10 features a mono block cast body, cast iron or stainless steel body material, wafer style, raised face seat, gate guides, and jams in a size range from 2 to 72 inches. The Orbinox Series 20 possesses the same features and is also available in metal and resilient seat models with seat materials including poly tetra flora ethylene (PTFE), EPDM (standard), and Viton. The Orbinox Series 21 is a heavy duty knife gate valve in a bi directional design. It is constructed of a one piece, stainless steel body, stainless steel gate, resilient seat, easy access packing, stainless steel stem, interchangeable actuators, EPOXY coated steel yoke and EPOXY coating on the body. The Orbinox Series 61 is a slurry knife gate valve in a mono block, wafer, and bi-directional design in a size range from 2 to 48 inches. The valve features a ductile iron body with replaceable rubber sleeves in the seat.

Valve Solutions, Inc. carries knife gate valves in lug and wafer styles. Available knife gate valves are offered in sizes 2 to 36 inches. With the function of ON/OFF or regulation, knife gate valves feature wafer threaded flange mounted, single directional tightness, small retention zone, gland packing, diaphragm ring, standard fixation holes, and possible mounting protection holes. Its operators include handwheel, double-acting pneumatic actuator, single-acting pneumatic actuator, gear box and hydraulic actuator.

ITT Engineered Valves offers Fabri-Valve knife gate valves such as heavy duty knife gate valves, lined knife gate valves, ductile iron knife gate valves, polyurethane knife gate valves, bonneted knife gate valves, urethane knife gate valves, high performance knife gate valves and urethane lined knife gate valves. Heavy duty knife gate valves are offered in sizes 1.5 to 96 inches with a 150 psi pressure rating. The 30 and 36 inch lined knife gate valves feature a 150 psi pressure rating, one piece cast iron body, chest and flanges as well as stainless steel lining. Ductile iron knife gate valves feature a solid ductile iron or carbon steel body, integral cast metal seat and a size range from 2 to 24 inches. The bi-directional knife gate valves features a perimeter seal, carbon steel body, and EPDM seals with a size range from 2 to 36 inches. Bonneted knife gate valves feature high cycle stem sealing, cylindrical packing and a size range from 1.5 to 96 inches. The urethane lined knife gate valves feature a perimeter seal, bi-directional and bubble tight shutoff and replaceable urethane liners in sizes 2 to 24 inches.

US Plastic Corp offers knife gate valves for quick shut off in low pressure situations. The white and gray valves feature PVC design while the black valves feature UC resistant ABS design. Features includes santoprene lip type seats, EPDM O-rings, stainless steel shaft, full flow with unrestricted flow design, polypropylene handles (glass reinforced), molded mounting pads, double O-ring shaft seals, and gatekeeper safety clip. Pressure ratings are up to 50 psi for sizes 1-1/2” to 2-1/2” and up to 40 psi for sizes 3” to 4”.

Pentair manufactures and supplies knife gate valves in all metal or polymer lined. Knife gate valves are suited for mining, pulp and paper, power, chemical and petro-chem, waste treatment, steel, food and beverage, and powder and bulk industries. L&M Valve knife gate valves provide bi-directional shut off, full port and positive seal packing designs.

Sure Flow Equipment Inc. designs knife gate valves in a cast stainless steel full lug body and full port design in sizes 2 to 24 inches. Features also include bi-directional shut off, resilient seat design, Viton and EPDM seats, cast iron handwheel, live loaded packing lgand, reduced body cavity, beveled gate edge and machined gate lugs. Scavenger knife gate valves feature full port, bi-directional shut off, hardened beveled gate, hardened seat, precision ground fate chrome plate, removable insert ring, two piece cavity free body, live loaded Teflon packing, adjustable stainless steel packing gland, and sizes 3 to 24 inches.

Orbinox produces knife gate valves in a variety of series. The EX and EK models are uni-directional wafer knife gate valves in sizes DN 50 to DN 1200 for EX models and DN 50 to DN 800 for EK models. The ET model knife gate valves are uni-directional lug type valves in sizes 2 to 30 inches. The TL model knife gate valves are through conduit wafer valves with double seat design, non-clogging shut off and sizes DN 50 to DN 600. The CR model knife gate valves are heavy duty valves in a two-piece body with round inlet and square outlet in sizes DN 100 to DN 600. The DT model knife gate valves are double gate valves in sizes DN 100 to 600. The EB model knife gate valves are bi-directional valves with non-clogging shutoff and sizes DN 50 to 1200. The VG model knife gate valves are wafer valves with double seated design, two rubber sleeves, bi-directional shutoff and sizes DN 50 to 600. The XC model knife gate valves are wafer valves with reverse position installation, and sizes DN 50 to 600. The BC model knife gate valves are square port low-pressure valves for solid loaded fluids with sizes from DN 150 x 150 to DN 600 x 600.

Lined Valve Company, Inc. manufactures knife gate valves including metal seated knife gate valves, resilient seated knife gate valves and special application knife gate valves. The metal seated knife gate valves feature stainless steel knife gate valves in sizes 3 to 24 inches, stainless steel lined knife gate valves in sizes 14 to 24 inches, fabricated slide gate valves in sizes 3 to 24 inches, and bonneted knife gate valves in sizes 3 to 24 inches. Resilient seated knife gate valves includes ductile iron knife gate valves in sizes 3 to 24 inches, polymer lined knife gate valves in sizes 3 to 24 inches, urethane lined knife gate valves in sizes 3 to 24 inches, and cast body resilient seat knife gate valves in sizes 2 to 24 inches. Special application knife gate valves includes large fabricated knife gate valves in sizes 30 to 60 inches, and custom fabricated knife gate valves in various materials.

NewCon Co produces knife gate valves in sizes 2 to 40 inches in diameter with positive shutoff. For on-off service, the valves feature self flushing design, zero downstream leakage, zero atmospheric leakage, replaceable and one-piece urethane liner, molded elastometer gate seal and spare parts.