48 inch Pneumatic Flanged Butterfly Valve , DN50-1200 Wafer Type Butterfly Valve

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48 inch Pneumatic Flanged Butterfly Valve , DN50-1200 Wafer Type Butterfly Valve

 

Quick Detail: 

  1. Size: NPS 2-48” (DN50-1200)
     
  2. Pressure Rating: 16 - 40 bar 
     
  3. Ends Connection: Wafer, lug and double flanged type
     
  4. Operation Methods: manual, worm wheel, electric and pneumatic
     
  5. Working temperature: -30 to 230°C
     
  6. Materials:
    1. Body: cast iron, carbon steel, 304S and aluminum bronze
       
    2. Disc: Ni-plated ductile iron, nylon coated ductile iron, aluminum bronze and monel
       
    3. Shaft: 416S, Sand316S. S, 17-4PH
       
    4. Seat: EPDM, high temperature EPDM, food grade EPDM, NBR, abrasive-

      resistant NBR,

       
    5.  Viton, high temperature Viton, Hypalon, silicone rubber PTFE over EPDM, PTFE over 

      NBR, neoprene 

       
    6. Bushing: glass backed PTFEl

 

 

Description:

 

Reliable in sealing, more it closes, tighter sealing 

Suitable for medium pressure pipes with nominal pressure between 16 and 40MPa 

At time of opening, disc can separate itself from seat promptly, thus friction torque low 

Adjustment can be done for compensation if valve seat worn, thus prolonging service life 

Sealing face of valve seat made of PTFE, which suitable for temperature between -30 and 230°C 

 

 

Applications: 

 

Large, medium & small oil, gas, water, steam conservancy, Chemical, heating equipment industry etc. 

 

 

Specifications:

 

Description of Wafer Type Butterfly Valve

Size

NPS 2-48” (DN50-1200)

Pressure Rating

16 - 40Mpa

Certificate

ISO9001, API6D, CE, FIRE PROOF

Base Material

Body: cast iron, carbon steel, 304S and aluminum bronze

Disc: Ni-plated ductile iron, nylon coated ductile iron, aluminum bronze and monel

Shaft: 416S, Sand316S. S, 17-4PH 

Seat: EPDM, high temperature EPDM, food grade EPDM, NBR, abrasive-resistant NBR, Viton, high temperature Viton, Hypalon, silicone rubber PTFE over

 EPDM, PTFE over NBR, neoprene 

Bushing: glass backed PTFEl

Drive

Manual, worm wheel, electric and pneumatic

Packing

Wooden cases, pallet, containers

Used field

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Mr. Chen Chao Kui
Tel: 86-571-67319116
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LISHUI OUYI VALVE GROUP
Heyi Industrial Zone, Oubei Town, Hangzhou, Zhejiang, China (Mainland)
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