Is the CAMLOCK CR connector socket with corrugated hose end, aluminum compatible with other MIL-C-27487 (A-A-59326) standard couplings at up to 10 bar?

Yes . the CAMLOCK CR connector socket with corrugated hose end, aluminum is designed to the MILâCâ27487 (AâAâ59326) standard and therefore is mechanically compatible with other couplings made to that same specification. With a rated working pressure up to 10 bar, aluminum body, brass levers and NBR sealing, it will mate and operate correctly with other MILâCâ27487/AâAâ59326 standard couplings provided those mating parts are also manufactured to the standard and are in good condition. Caveats: ensure matching sizes, verify condition of NBR seals (age/chemical compatibility), confirm both parts are rated for the intended pressure and media, and follow proper installation and maintenance practices.

Can the CAMLOCK CR connector socket with corrugated hose end, aluminum maintain a reliable seal with NBR at temperatures typical for petrochemical transfer?

Yes. The CAMLOCK CR connector socket with corrugated hose end, aluminum, using NBR (nitrile rubber) seals is suitable for typical petrochemical transfer temperatures. NBR provides good resistance to oils, fuels and many hydrocarbons and maintains reliable sealing performance in approximate temperature range -30Â°C to +100Â°C (short-term to ~120Â°C depending on formulation). With the connectorâs aluminum body, brass levers, MIL-C-27487 (A-A-59326) ribbed hose end and operating pressure up to 10 bar, the assembly is appropriate for common petrochemical service within those temperature limits. For aggressive chemicals, extreme temperatures outside NBRâs range, or specific regulatory/compatibility requirements, verify fluid compatibility and consider alternative elastomers (e.g., FKM/Viton) or manufacturer confirmation.

Does the CAMLOCK CR connector socket with corrugated hose end, aluminum resist galvanic corrosion when brass levers contact aluminum under petrochemical conditions?

No. the CAMLOCK CR connector socket with corrugated hose end, aluminum does not reliably resist galvanic corrosion when its brass levers contact the aluminum body under petrochemical conditions. Aluminum (anodic) in contact with brass (cathodic) in the presence of an electrolyte (e.g. seawater, chemical solutions, moisture, petrochemical fluids) forms a galvanic couple that accelerates aluminum corrosion. Petrochemical environments often contain conductive liquids, salts and aggressive chemicals that increase galvanic corrosion risk and may also attack the NBR seal or expose bare metal, worsening the effect. Factors increasing corrosion risk: - Dissimilar metals (aluminum vs brass) directly contacting. - Presence of conductive fluids, salts or acidic/alkaline compounds typical in petrochemical service. - Mechanical wear or fretting at lever contact points exposing fresh metal. - Temperature cycles and pressure (up to 10 bar) that can promote seal degradation and fluid ingress. Mitigation measures (recommended if continued use is required): - Electrically isolate brass levers from aluminum body (nonâconductive shims, coatings, washers). - Use corrosionâresistant coatings on aluminum or plated brass levers. - Select alternative materials (e.g. stainless steel camlock components) for petrochemical service. - Ensure regular inspection, cleaning and maintenance; monitor for pitting, crevice corrosion or seal failure. - Verify chemical compatibility of NBR with conveyed fluids; replace with compatible elastomer if needed. Conclusion: In typical petrochemical conditions, the aluminum CAMLOCK CR connector with brass levers is prone to galvanic corrosion unless specific isolation or corrosionâprotection measures are implemented; for durable service, consider material changes (stainless steel) or proper isolation/coating.

Socket coupling CAMLOCK CR with a serrated hose fitting, aluminum

Additional information

Material	AL – aluminum

Socket coupling CAMLOCK CR (reducing) with a serrated hose fitting made in accordance with the American military standard MIL-C-27487 (A-A-59326), commonly used as a transfer coupling, especially in the petrochemical industry. Working pressure: up to 10 bar. Material: aluminum. Levers: brass. Sealing: NBR.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
AC-C-300-200-AX	Coupling CAMLOCK C 3" na hose 2", aluminum	50	10	In stock	Enquiry
AC-C-300-400-AX	Coupling CAMLOCK C 3" na hose 4", aluminum	100	10	In stock	Enquiry
AC-C-400-300-AX	Coupling CAMLOCK C 4" na hose 3", aluminum	75	10	In stock	Enquiry

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Socket coupling CAMLOCK CR (reducing) with a serrated hose fitting made in accordance with the American military standard MIL-C-27487 (A-A-59326), commonly used as a transfer coupling, especially in the petrochemical industry. Working pressure: up to 10 bar. Material: aluminum. Levers: brass. Sealing: NBR.