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Binhai Industrial Park, Longwan District,
Wenzhou, China
+86 13186832570
 +86 577 86918749
 +86 13185861763
 Binhai Industrial Park, Longwan District, Wenzhou, China


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Sanitary Stainless Steel Manual Double Flanged Butterfly Valve


Butterfly Valve Flanged Ends with Pull Handle - SS304 / Silicone


This valve is a manual type sanitary butterfly valve with butt-welded / butt- welded ends, which is widely used in process piping systems for isolation and control. 


Sizes available: 1/2" to 12" /DN15 - DN300 

Material: Valve body and disc material can be AISI 304 or AISI 316L, 304L and 316 materials are available upon request.

Max. working pressure: 145psi (10bar) for DN25/1"-DN100/4"; 116psi (8bar) for DN125/5"-DN150/6"; 73psi (5bar) for DN200/8"-DN300/12".

Temperature range: 14 ~ 248°F (-10 ~ 120°C) with EPDM seat, -58 ~ 356°F (-50 ~ +180°C) with Silicone seat.

End connections: clamp to clamp, weld to weld, male to weld, male to clamp, male to male, clamp to weld, flanged

Surface treatment: Ra 16 ~ 32µin (0.4 ~ 0.8µm).



  • The seat and gasket can be EPDM, Silicone or Viton .

  • Handles: 3 or 4 positions pull handle, trigger handle with glass fiber or in 304 stainless steel.


Actuators operation:

1. pneumatic stainless steel actuator, vertical type, also known as spring return or single acting.

2. pneumatic horizontal type actuator, we can make this actuator in aluminum or stainless steel, there are double acting and single acting.

3. electric actuator.


Common methods:

Normally closed (fail closed)

Normally open (fail open)

Double acting---air to open, air to close

Intelligent control: position sensor, C-top controller, C-top controller 

 Technical Data

Standard DIN,SMS
Body material 304,304L,316L(1.4301,1.4307,1.4404) available
Size available DN10-300 or 1/2"-12"
Ends option weld, triclamp, male, flange 
Valve seat silicone, EPDM, Viton, NBR, PTFE
Application it is widely applied to many fileds, such as beer, beverage, dairy food, fruit juice, pharmacy, biological etc
Working principle remote-controlled operation by the driving gear or manual operation by handle.         
Three drive forms normally closed, normally opened and opened and closed by two air flues seperatey.  

 Handle option
stainless steel pull handle, Glass fibre of trigger handle, stainless steel trigger handle
adjustable handle, built to order according to users'  request.
Advantage 1.sanitary condition
2.with strong resistance to acid, alkali and high temperature
3.slight deformation under long-term compression presicion forging valve cartridge. Withstand voltages
4.appearance design: Keep pace with international latest designs
5.service life: 18 months warrenty


SS304-316L-Stainless-Steel-Sanitary-Butterfly-Valve-DY-BV1007- (1).jpg


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