PWB Series

Brass Free flow, valveless pressure washer couplers

AKJIA’s PWB Series couplers are able to accommodate high flow rates and minimal pressure drops. The couplers are valveless, hence when disconnected any fluid in the system can escape. This makes these couplers suitable for the
transmission of non-hazardous fluids only.

Construction

  • Brass body material good corrosion resistance
  • Fitted with Nitrile seals – NBR
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PWB

FEATURES

  • Valveless design allows for high flow rates and minimal pressure drop characteristics
  • Female half has double ‘O’ ring sealing arrangement
  • Bidirectional flow

APPLICATIONS

  • Designed for use in pressure washer systems and systems containing non-hazardous fluids
PWB Drawing

Dimensions

Available Seals and Temperature Range

All carbon steel products have Nitrile Butadiene Rubber (NBR) seals fitted as standard. All stainless steel products have Fluoro-elastomer Rubber (Viton®) (FKM) seals fitted as standard. Special seal materials are available on request.

Abbreviation Trade Name Chemical Name Min. Temp Max. Temp
NBR, XNBR Chemigum®,  Hycar8,  Breon®,  Butakon®, Butacril®, Buna-N®, Perbunan®, Paracril®, Krynac®, Europrene-N®, Nipol® Nitrile Butadiene Rubber
Carboxylated Nitrile Rubber		 -40ºC (-40ºF) 106ºC (223ºF)
FKM(FPM) Dai-el®, Fluorel®, Tecnoflon®, Viton® Fluoro-elastomer Rubber -20ºC (-4ºF) 200ºC (392ºF)
EPR, EPDM Buna-AP®, Dufral®, Epsyn®, Nordel®, Epcar8, Keltan®, Royalene®, Polysar-EPDM® Ethylene Propylene Copolymer
Ethylene Propylene Terpolymer		 -50ºC (-58ºF) 120ºC (248ºF)
FVMQ Silastic 1S®, FSE® Fluorosilicone Rubber -65ºC (-85ºF) 170ºC (338ºF)
FFKM Perlast®, Kalrez®, Chemraz®, Kaflon® Perfluoroelastomer -25ºC (-13ºF) 300ºC (572ºF)

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