Caliper Overseas is a reputed Diaphragm Valve India Manufacturer and Supplier providing precision-driven solutions for various industries. Diaphragm valves use a flexible diaphragm to control fluid flow, thus ideal for processing corrosive, abrasive or viscous media. Diaphragm valves are widely utilised in industries like pharmaceuticals, chemicals, water treatment plants, food processing industries due to their leak-proof and sanitary sealing.
Manufactured to ASME B16.34, DIN 3202 and BS 5156 standards. Diaphragm valves offer smooth sealing, minimal maintenance and compactness. They provide free throttling, tight shut-off, and defense from contamination. Body and diaphragm are selected depending on media compatibility, durability requirements in hostile environments. They have fewer moving parts; this ensures trouble-free operation and ease of cleaning that is necessary for critical flow control applications.
Contact us today for a durable and effective diaphragm valve solution.

| Design Standards | ASME B16.34; DIN 3202; BS 5156 |
|---|---|
| Class Range | ANSI 125LB/ 150LB/ PN10/ PN16 |
| Size Range | DN50-DN400 |
| End Connection | Flanged, BW, Thread |
| Materials of construction | cap is Nitronic 60 stainless (optional Hastelloy C or Type 316 stainless), with remaining metal parts of 300 series stainless. The diaphragm is formed from a specialized polyimide. |
| Bore | Standard bore size is 0.40 mm (.016" ). Optional bore sizes are 0.25 mm (.010") and 0.75 mm (.030"). |
| Temperature and Pressure | The sampling/switching valve can be operated at temperatures up to 175°C at 300 psi gas. Specs for internal sample valves are 50°C at 750 psi liquid. |
| Actuation | Actuator air (40-50 psi) is supplied to a side port with 10-32 female threads, permitting use of a variety of compression or barbed fittings. A 3-way solenoid is required for actuation. (Order separately.) |
| Hand Wheel | Cast Iron , Cast steel , Ductile Iron |
| Application & uses | Water and Air Service Applications De-mineralized Water Systems Corrosive Applications Radwaste Systems in Nuclear Facilities Vacuum Service Food Processing, Pharmaceutical and Brewing Systems |
Diaphragm Valves in Distillery Plants
Diaphragm Valves in Sugar Industries
Diaphragm Valve in Process Industries
Diaphragm Valve in Power Plants
Diaphragm Valve in Refineries
Diaphragm Valve in Petrochemical Plants
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