Can the Screwed quick-connector, socket with GW NPT of brass, HOLMBURY type WSC be connected or disconnected under residual pressure up to 50 bar without leakage?

Screwed quick-connector, socket with GW NPT of brass, HOLMBURY type WSC can be connected or disconnected under residual pressure up to 50 bar without significant leakage. The product description states that the valve design ensures minimal medium leakage and prevents air inclusion during connection and disconnection, and explicitly permits screwing the quick coupling under residual (static) pressure up to 50 bar. Materials and seals (brass body, NBR sealing) and specified operating range (working pressure up to 210 bar, temperature -40Â°C to +106Â°C) support safe use in these conditions. Standard good practice: ensure threads and sealing surfaces are clean, compatible fluids and temperatures are observed, and follow manufacturer installation/maintenance instructions to minimize any small leakage risk.

Can the Screwed quick-connector, socket with GW NPT of brass, HOLMBURY type WSC prevent air inclusion during connection/disconnection under pressure?

Yes. The Screwed quick-connector, socket with GW NPT of brass, HOLMBURY type WSC is designed to minimize air admission: its valve design ensures minimal medium leakage and limits air inclusion during connection and disconnection. It may be screwed on under residual (static) pressure up to 50 bar, further reducing the chance of air ingress when coupling under pressure. Materials and seals (brass body, NBR) and specified operating conditions (-40Â°C to +106Â°C, working pressure up to 210 bar) support reliable performance, but complete prevention of any air inclusion cannot be absolutely guaranteed in all field conditions.

Does the Screwed quick-connector, socket with GW NPT of brass, HOLMBURY type WSC resist corrosion in road salt and coastal conditions?

Screwed quick-connector, socket with GW NPT of brass, HOLMBURY type WSC offers good resistance to weathering and typical corrosive influences thanks to its brass body, which the manufacturer highlights as providing "excellent resistance to changing weather conditions". Brass (depending on alloy) is generally resistant to corrosion from road salts and marine atmospheres better than plain steel, but it is not fully immune. WaÅ¼ne aspekty: - MateriaÅ: brass. brass resists general corrosion, however dÅugotrwaÅa ekspozycja na chlorki (road salt, morskie aerozole) moÅ¼e prowadziÄ do korozji naprÄÅ¼eniowej lub wybÅyszczeÅ (dezkoloryzacja, punktowe utlenianie), zwÅaszcza w agresywnych, wilgotnych warunkach. - Uszczelnienie: NBR. odporne na oleje i paliwa, ale moÅ¼e ulegaÄ degradacji przy dÅugotrwaÅym dziaÅaniu sÅonej wody i UV; konstrukcja z zaworem minimalizuje przecieki i inkluzjÄ powietrza. - Temperatura i ciÅnienie: zakres -40Â°C do +106Â°C i do 210 bar. parametry pracy nie wskazujÄ na ograniczenia w Årodowisku przybrzeÅ¼nym poza wpÅywem korozji materiaÅowej. - Praktyczne zalecenia: w zastosowaniach naraÅ¼onych na sÃ³l drogowÄ i warunki morskie warto rozwaÅ¼yÄ dodatkowe zabezpieczenia (powÅoki ochronne, regularne pÅukanie sÅodkÄ wodÄ po ekspozycji, smarowanie kontaktÃ³w, inspekcje) albo wybÃ³r zÅÄczek wykonanych ze stopÃ³w odporniejszych na chlorki (np. mosiÄdz o podwyÅ¼szonej zawartoÅci miedzi/niklu, bronzy specjalne lub stali kwasoodpornej). Wniosek: Screwed quick-connector, socket with GW NPT of brass, HOLMBURY type WSC wykazuje dobrÄ odpornoÅÄ na zmienne warunki atmosferyczne i krÃ³tkotrwaÅÄ ekspozycjÄ na sÃ³l, ale dla dÅugotrwaÅej, intensywnej ekspozycji na road salt i warunki przybrzeÅ¼ne naleÅ¼y stosowaÄ dodatkowÄ ochronÄ lub rozwaÅ¼yÄ materiaÅy o wyÅ¼szej odpornoÅci na chlorki.

A screw-together quick coupling, socket with NPT female thread made of brass, HOLMBURY type WSC

All products, Hydraulic quick couplings/

Additional information

Material	B – brass (bronze)

The HQ WSC quick-coupling socket, screw-together, with a valve with an NPT female thread, for use in the hydraulic systems of vehicles. The brass body provides excellent resistance to changing weather conditions. The valve design ensures minimal medium leakage and air inclusion during connection and disconnection. The quick coupling may be connected under residual pressure up to 50 bar (static pressure remaining in the system after the drive is switched off). Material: brass. Sealing: NBR. Operating temperature: from -40°C to +106°C. Working pressure: up to 210 bar (depending on the size). The flow is given for a pressure drop of 3 bar.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HQ-WSC19-F-12N	Socket WSC DN19 with 3/4" NPT female	-	210	In stock	Enquiry
HQ-WSC25-F-16N	Socket WSC DN25 with 1" NPT female	-	210	In stock	Enquiry
HQ-WSC32-F-20N	Socket WSC DN32 with 1.1/4" NPT female	-	190	In stock	Enquiry

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The HQ WSC quick-coupling socket, screw-together, with a valve with an NPT female thread, for use in the hydraulic systems of vehicles. The brass body provides excellent resistance to changing weather conditions. The valve design ensures minimal medium leakage and air inclusion during connection and disconnection. The quick coupling may be connected under residual pressure up to 50 bar (static pressure remaining in the system after the drive is switched off). Material: brass. Sealing: NBR. Operating temperature: from -40°C to +106°C. Working pressure: up to 210 bar (depending on the size). The flow is given for a pressure drop of 3 bar.