Logo Environmental XPRT
Companies
Products
Services
Software
Training
Applications
Sign in
List your business
Hebei Youyi Machinery Tech Co., Ltd
About
  2. Companies
  3. Hebei Youyi Machinery Tech Co., Ltd
  4. Products
  5. Youyi - Wafer Centerline Butterfly ...

Youyi - Wafer Centerline Butterfly Valve

SHARE

Butterfly valve, also called flap valve, is a kind of regulating valve with simple structure. The butterfly valve that can be used for switching control of low pressure pipeline medium refers to the closing part (disc or butterfly plate) as a disc, which rotates around the valve shaft to achieve opening and closing. A kind of valve.

Most popular related searches
butterfly valve
wafer butterfly valve
cast iron butterfly valve
eccentric butterfly valve
soft seal butterfly valve
butt welded butterfly valve
triple eccentric butterfly valve
electric actuator butterfly valve
flanged butterfly valve
high-pressure valve

Classification Of Butterfly Valves

  1. Classified by structure 
  2. Central sealing butterfly valve 
  3. Single eccentric sealing butterfly valve 
  4. Double eccentric sealing butterfly valve 
  5. Three eccentric sealing butterfly valve

Classified by sealing surface material 

  1. Rubber soft sealing butterfly valve 
  2. Metal hard seal butterfly valve

Classified by sealing form 

  1. Forced sealing butterfly valve
  2. Pressurized sealing butterfly valve
  3. Automatic sealing butterfly valve

Classified by work pressure

  1. Vacuum butterfly valve. Butterfly valve with working pressure lower than standard atmospheric pressure
  2. Low pressure butterfly valve. Butterfly valve with nominal pressure PN≤1.6MPa 
  3. Medium pressure butterfly valve. Butterfly valve with nominal pressure PN of 2.5?6.4MPa
  4. High-pressure butterfly valve. Butterfly valve with nominal pressure PN of 10.0?80.OMPa
  5. Ultra-high pressure butterfly valve. Butterfly valve with nominal pressure PN>100MPa

Specific Odels Of Commonly Used Butterfly Valves

  • Fluorine-lined butterfly valve: D71F46, D671F46, D971F46
  • Wafer butterfly valve: D71F, D71H, D71X, D71Y
  • Butt welding butterfly valve: D363F, D363H, D363W, D963F, D963H, D963W
  • Flange butterfly valve: D41F, D41H, D41X, D41W, D341F, D341H, D341X, D341W
  • Pneumatic butterfly valve: D641F, D641H, D641W, D642F, D642H, D642W, D643F, D643H, D643W, D671F, D671H, D671W, D673F, D673H, D673W
  • Electric butterfly valve: D941F, D941H, D941W, D942F, D942H, D942W, D943F, D943H, D943W, D971F, D971H, D971W, D973F, D973H, D973W 
  • Triple eccentric butterfly valve: D343F, D373F, D343H, D373H, D343W, D373W;  
  • Telescopic butterfly valve: SD41X, SD41H, SD341X, SD341H, SD641X, SD641H, SD941X, SD941H 
  • Two-way sealing butterfly valve: DS343H, DS643H, DS943H 
  • Insulation butterfly valve: BD343H, BD343W 
  • Hydraulic control butterfly valve: HD7Q41X full hydraulic control, HD7s41X