Gate valves

PZ73PU Polyurethane Lined Knife Gate Valve

PN10bar, class 150LB
DN50~800mm
Ductile Iron, Stainless Steel

get a quote

PZ73PU Polyurethane Lined Knife Gate Valve Product Information

PZ73PU polyurethane lined knife gate valve is bidirectional seal knife gate valve with polyurethane lined, which is also called  is bidirectional seal 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. Bidirectional type knife gate valve is available with metal seated and rubber seated according to different conditions. PZ73PU bidirectional seal polyurethane lined 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 PZ73PU polyurethane lined knife gate valve according to MSS SP-81 with sizes of 2”~32” (DN50~800mm). 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
  • Bidirectional sealing
  • Investment casting body
  • Easy maintenance 
  • Polyurethane lined body, renewable seat 
  • Wafer, lug, flanged ends
  • 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

  • 10bar, class 150LB
  • Size: 2”~32” (DN50~800mm)
  • 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 materials: polyurethane
  • 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

Want to talk about our services?

Let's get in touch.

Please prove you are human by selecting the House.

contactOr give us a email at

sales@lokvalve.com