Double Well provides professional solutions concerning industrial hoses and couplings as well as industries pipe fittings and valves for industry, located in north of China. Our main products include hose couplings ( Camlock coupling,Air hose coupling, Bauer coupling), fire fighting couplings ( Stroz coupling, Guillenmin couplings, John Morris couplings, Machino coupling, Barcelona coupling Forestcouplings, fire nozzles), pipe fittings(stainless steel pipe fittings, malleableiron pipe fittings, flanges, sanitary pipe fittings) and valves ( ball valve,gate valve, sanitary butterfly valve ) and so on.

 ‘Storz’ Blank (Dust) Cap and chain Fitted with white Nitrile suction and delivery / suction seals as standard and supplied complete with plated steel chain. Suitable for use with all other ‘Storz’ couplings, the Dust Caps are supplied with a white nitrile suction and delivery gaskets as standard, the black nitrile, a Viton or an EPDM gasket are all available to order.

The ‘Storz’ Dust Caps are available in a wide range of different configurations including with bleed valves, key operated locks, high impact plastic and with taper proof triangular bosses and spanners to suit. Other special fabrications can also be considered. The couplings are normally secured using a spanner.