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Diaphragm-Sealed Valve

Swagelok® Ultrahigh-Purity Fluoropolymer Diaphragm Valves (DRP Series)

Swagelok ultrahigh-purity fluoropolymer diaphragm valves offer a strong solution for UHP chemical distribution, DI water, and bulk chemical delivery systems.

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The DRP series’ enhanced diaphragm design is optimized to minimize stress during cycling, minimize entrapment areas and the opportunity for process fluid contamination, and extend the life of the diaphragm. The modified PTFE body has a fully swept flow path to ensure continuous cleaning and minimize fluid shear.

DRP series valves meet SEMI Standard F57-0301.


Pressure Rating Up to 100 psig (6.8 bar)
Media Temperature 73° to 212°F (23° to 100°C)
Flow Coefficient Up to 10.2
Body, Diaphragm Material Modified PTFE
End Connections
Type Fine thread flare and Nippon Pillar Super 300® standard
Size 1/4 to 1 1/4 in. and 6 to 25 mm
Configuration 2- and 3-way manual and pneumatic shutoff; adjustable flow and bypass models

DRP Series Ultrahigh-Purity Fluoropolymer Diaphragm Valves Catalogs

Locate detailed product information, including materials of construction, pressure and temperature ratings, options, and accessories.

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