Gate valves

Z73X Unidirectional Wafer Knife Gate Valve

PN10bar
DN50~450mm
Ductile Iron, Stainless Steel

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Z73X Unidirectional Wafer Knife Gate Valve Product Information

Z73X unidirectional knife gate valve is also called slurry valve or mud valve. Its on-off part is the knife type gate, which can cut off fiber materials mediums or similar. Compared with general gate valve, wafer type knife gate valve can save much more installtion space. Unidirectional type knife gate valve is available with metal seated and rubber seated according to different applications. Z73X unidirectional wafer knife gate valve is applicable widely in mining, coal washery, steel work, pulp & paper plant, thermal power plant and sewage with fibers treatment.  Flowspec Luokai can manufacture the Z73X unidirectional knife gate valve according to standard of MSS SP-81 with sizes of 2”~18” (DN50~450mm). Welcome to contact us for detailed information and best quotes if you have any questions or inquiries.

1. FEATURES

  • Full bore design
  • 1PC body design
  • Unidirectional sealing
  • Investment casting body
  • Easy maintenance 
  • Renewable seat 
  • Available with gear, pneumatic and electric actuator

3. STANDARDS

  • Design & manufacturing: MSS SP-81
  • Face to face: MSS SP-81
  • Flange standard: PN10, PN16, Class 150LB, JIS 10K, Table E/D
  • Inspection & testing: API598

2. TECHNICAL SPECIFICATIONS

  • PN10 or Class 150LB
  • Size: 2”~18” (DN50~450mm)
  • Body materials: ductile iron GGG40, stainless steel 304 CF8, stainless steel 316 CF8M, duplex stainless steel 2205
  • Gate materials: stainless steel 304, stainless steel 316, duplex stainless steel 2205
  • Seat material: EPDM, Nitril, Viton, Silicone, metal
  • Operated: Handwheel, gear box, pneumatic, electric
  • Applicable medium: coal, cement slurry, coal slurry, gold mine, sewage
  • Applicable temperature: -10℃~+80℃
  • Working pressure: 10bar

4. APPLICATIONS

  • Thermal power plant
  • Mining, steel industry
  • Coal washery, metallurgy plant
  • Oil, chemical industry
  • Textile, food industry
  • Pulp and paper industry
  • Waste water, sludge, sewage treatment industry

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