Sanitary Hygienic Pneumatic Actuator Butterfly Valve

  • Butt-weld connection type
  • Clamp connection type
  • Thread connection type
  • Aluminum actuator and weld end
  • Aluminum actuator and clamp end
  • Aluminum actuator and thread end

Sanitary pneumatic butterfly valves are designed to open and close in order to control the flow rate of fluids in hygienic systems like those used in the production of beverages such as wine, dairy, beer, purified water, pharmaceutical liquids, biological mediums, etc. They are installed in all kinds of sanitary and hygienic facilities, pipe lines, and equipment such as:

1. C.I.P. (clean in place) facilities and systems
2. Liquid purification, filtration, blending and mixing systems
3. Production and recycling system of purified water, highly purified water, water for injection (WFI)
4. High gravity brewing systems
5. Aseptic dosing systems, sterilization systems, sanitary batching systems, evaporation systems
6. All kinds of hygienic pipe systems and equipment

Valve body: Medium contact part: SS304 or 316L upon customer request
Other part: SS304
Or other stainless steel material on request
Sealing gasket: EPDM, PTFE, VMQ, NBR or FPM for your free choice
Surface Polish: free choice from mirror polish, sand blasting, electro finishing, etc.


Item Part Name Material Q'ty
1 Air Inlet 304 / 316 Stainless Steel 1
2 Pneumatic actuator Stainless Steel or Aliminum 1
3 Silencer 304 / 316 Stainless Steel 1
4 Dowel 304 / 316 Stainless Steel 1
5 Connection groove 304 / 316 Stainless Steel 1
6 Direction pin Plastic 1
7 Bushing PTFE / EPDM 2
8 Hanger 304 / 316 Stainless Steel 1
9 Bolt 304 Stainless Steel 2
10 Disc 304 / 316L Stainless Steel 1
11 Valve body 304 / 316L Stainless Steel 2
12 Nut 304 / 316L Stainless Steel 4
13 Bolt 304 / 316L Stainless Steel 4
14 Seal PTFE / EPDM 1
15 Plastic plug Plastic 1

Working Principle:
The valve closing and opening function is operated automatically by the pneumatic actuator. The actuator is driven by compressed air going in and out of the actuator.
A. Double acting: Air in--Piston outwards--Valve stem rotates--Valve open--Air in again-- Piston backwards--Valve closed
B. Spring return: Air in--Piston outwards--Valve stem rotates--Valve open--Piston backwards automatically by spring--Valve closed

Specification Details
Opened / Closed by Pneumatic (aluminum or stainless steel actuator)
Working Principle Air / spring return mode, or Air/air double acting mode
Operation Mode Normally open (NO), or normally closed (NC)
Pipe Diameter DN10 ~ DN200 / 1/2" ~ 8", other size can be tailored
Seal Material EPDM / PTFE / NBR / VMQ / FPM
Working Pressure Max 10 bar / Min. 0 bar
Working Temperature -10 ~ +90 degrees centigrade
Actuator Air Supply Pressure 4 bar ~ 8 bar
Surface Finish Outside EP, inside Ra< 0.8μm

1. Compact and lightweight
2. Easy disassembly
3. Equipped with an intelligent pneumatic head for convenient operation
4. Excellent sealing performance for long service life
5. Highly temperature and corrosion resistant sealing materials
6. Can be customized according to customer requirements
7. 7 days / 24 hours continuous on-line consultation and feedback services
8. Used in clean and hygienic pipeline systems of various industries, such as dairy, beverage, brewing, beer, pharmaceuticals, cosmetics and water, etc.

We design and produce many types of sanitary hygienic pneumatic butterfly valves. Please feel free to select from the models below according to the technical specifications that meet your requirements. Let us know your selection and we will provide the most suitable sanitary valves accordingly:

1. Pneumatic Actuator

A. Stainless steel vertical pneumatic actuator: space saving, more accurate flow control
B. Aluminum horizontal pneumatic actuator: light, low cost

2. Operation Mode
A. Air / Spring return single acting mode: normally open (NO), or normally closed (NC)
B. Air / Air double acting mode: normally open (NO), or normally closed (NC)

3. Valve Body Connection End:

A. Sanitary pneumatic butterfly valve with weld end
B. Sanitary pneumatic butterfly valve with tri clamp end
C. Sanitary pneumatic butterfly valve with male thread end
D. Sanitary pneumatic butterfly valve with flange end
E. Sanitary pneumatic butterfly valve with union / nut end
F. Other special requirement or OEM are also available

4. Connection End Dimension Standard: DIN / SMS / ISO / RJT / BS4825 / 3A / ASME BPE, etc.

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