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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 RatingUp to 100 psig (6.8 bar)
Media Temperature73° to 212°F (23° to 100°C)
Flow CoefficientUp to 10.2
Body, Diaphragm MaterialModified PTFE
End Connections
TypeFine thread flare and Nippon Pillar Super 300® standard; ISO, NPT, Flowell
Size 1/4 to 1 1/4 in. and 6 to 25 mm
Configuration2- and 3-way manual and pneumatic shutoff; adjustable flow and bypass models

DRP Series Ultrahigh-Purity Fluoropolymer Diaphragm Valves Catalogs

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