Diaphragm valve are weir type and it is suitable to deliver the full potential of simple yet versatile and effective concept.

Size: - 25 mm to 150 mm
Body: -Graded C.I or Ductile Iron ASTM A 351, Gr.CF8 (S.S-304 or 316) Lined By FEP/PFA
Bonnet: – ASTM A 216 Gr. WCB (Cast Carbon Steel)
Diaphragm (Pin Type): PTFE Backed by Neoprene Rubber
Lining Material- FEP/PFA Lining Thickness- 3 to 5 mm THK.
Design- Two Piece As per BS- 5156

Temp. Resistant- FEP- -20 to 180*
PFA- -20 to 230*

Testing: - Hydro Test -11 kg /cm2 to Full Vacuum as per BS/API Pneumatic Test- 6 kg/cm2
Spark Test-15 KVA DC

F to F: - As per Class 150

Flange Drilling: - As per ANSI B 16.5

Operation:-Usually Manual Lever operated Gear and Pneumatic Actuation also provided on Request.

Diaphragm valves (or membrane valves) consists of a valve body with two or more ports, a diaphragm, and a "saddle" or seat upon which the diaphragm closes the valve. The valve is constructed from either plastic or steel.

Originally, the diaphragm valve was developed for use in non-hygienic applications. Later on the design was adapted for use in the bio-pharmaceutical industry by using compliant materials that can withstand sanitizing and sterilizing methods.

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