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Company:Wenzhou Topnotch Machine Co.,Ltd. 
Address:Dongyang Rd., Heyi Industrial Zone,Oubei Town, Yongjia County,Wenzhou,Zhejiang, China 325105
Contact Person: Mr. Kevin Tung
Tel: +86-577-67318591 67318935
Email: market@tanamachine.com
MB: 86-18906638592

Knife gate valve

TANA knife gate valves are available in various designs, one-piece body and two-piece bodies, rising stem and non-rising stem, uni-direction and bi-direction structures, resilient and metal seat rings, bonnetless and bolted bonnet designs. For optional designs, deflection cone could divert the flow of abrasive slurries and protect valve seat from abrasion, V port disc and through conduit design are used for throttling service, per customers' requirements.

Description:TANA  knife gate is a uni-directional or bi-directional lug type valve designed according to MSS-SP-81 and TAPPI-TIS 405 for industrial service ,The design of the body and seat assures non-clogging shut off on suspended solids in industries. A choice of several actuators and accessories is available.

Knife gate valve design Feature

  • The body design of knife gate valve has the advantages:simple,compact and reasonable structure,smooth port,small flow resistance,light weight,easy installation etc.

  • Disc:disc is standard stainless steel, both sizes are polished and grinded smoothly as mirror,which can effectively avoid damage of seat  through opening or closing and make best seal when close the valve.

  • Seat:The unique design,mechanical retainer of sealing ring,stainless steel retainer,seat materials:NBR,EPDM,VITON,PTFE.

  • Packing:There are several layers of braided packing and rubber seal ring,the packing gland compression force,can effectively ensure the  sealilng performance.Material is graphite braided packing,PTFE,cotton fiber.

  • Stem:The stem is made of stainless steel with good corrosion resistance and long service life.

  • Manual driving mode:Handwheel,Bevel Gear and Gear operated.

  • Automatic driving mode:Electric,pneumatic,hydralic,electro-hydraulic.

  • All cast iron,cast steel valves and steel spare parts from TANA are epoxy coated,well protecting valve inner port against corrosive and dirty conditions for longer service life.


Specifications

  • Design &Manufacture:MSS SP-81,MSS SP-135,ASME B16.34 etc.

  • Face to face dimension:MSS SP-81,MSS SP-135,API B16.10,DIN3202 etc.

  • End Connection:ASME B16.5 ASME B16.47,MSS SP-81 etc.

  • Test and Inspection:ISO5208,MSS SP-61,API598

  • Size:2”-48” or DN50-DN1200(large diameter requirments)

  • Application of work pressure

  • DN50-DN250:10kg/cm2

  • DN300-DN400:6kg/cm2

  • DN450:5kg/cm2

  • DN500-DN600:4kg/cm2

  • DN700-DN1200 2kg/cm2

  • Material:WCB,LCB,WC6,WC9,C5,CF3,CF8M,CF3M,etc.

  • Operated by:Handwheel,Gear,Pneumatic,hydraulic and Electric actuator etc.


 Main Material list

wafer type knife gate valve.jpgParts list
Parts   Cast steel,cast ironStainless steel
BodyWCB/GGG40CF8、CF8M
DiscAISI 304AISI 304、AISI 316
SeatMetal、NBR、Viton、PTFE
PackingPTFE or Graphite spiral-wound gaskets
Packing GlandWCB/GGG40CF8、CF8M
StemAISI 430
Stem nutBrass
YokeEpoxy coated steel
ClampAISI304AISI316
HandwheelØ≤310:Ductile Iron/Ø≤410:GJL250(GG25)
GlandPlastic
Stem protection sleeveEpoxy coated steel
Needle bearingHigh quality steel
NutEpoxy coated steel


knife gate valve catalogue- new.pdf

If you have any enquiry about quotation or cooperation,please feel free to email us at market@tanamachine.com or use the following enquiry form. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.

Assistance

For urgent matters,TANA after sales service is active 24 hours a day

Contact Us

​Company:Wenzhou Topnotch Machine Co.,Ltd. 

Address:Dongyang Rd., Heyi Industrial Zone,Oubei Town, Yongjia County,Wenzhou,Zhejiang, China 325105

Contact Person:
  Mr. Kevin Tung 

Tel: +86-577-67318591 67318935

Email: market@tanamachine.com

 

MB: 86-18906638592

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