AR5-"B" quick coupling 3/8" F x M22-2 O-rings for AR5-"A" M22-2 O-rings coupling 26.1033.00

Product Description

Heavy-Duty Brass M22 Quick Coupling with Dual O-Ring Seal for High-Pressure Systems

The original female quick coupling adapter PA AR5-"B" (part number 26.1033.00) is engineered for fast, secure, and leak-free connections in high-pressure wash systems. Featuring a standard G 3/8" Female (3/8" F) inlet with a brass hex body for easy installation, this coupling connects directly to an M22x1.5 (M22-2) hand-tightening nut housing an extended brass stem equipped with dual O-ring seals. Designed for seamless compatibility with AR5-"A" male coupling plugs, its rugged brass body is enclosed in an ergonomic black plastic handwheel that insulates against heat and allows effortless tightening without tools. Built to handle a nominal pressure of 250 bar (max 280 bar / 4060 psi) and operating temperatures up to 160°C (320°F). Looking for additional fittings and adapters? Explore our full catalog of car wash spare parts.

Key Features & Technical Specifications of the PA AR5-B Coupling (26.1033.00):

• M22-2 Dual O-Ring Seal Design: The extended stem features two parallel O-ring seals, ensuring superior leak prevention even under extreme pressure pulsations and mechanical vibration.
• 3/8" Female Thread Connection: Standard G 3/8" F thread with a sturdy brass hex section allows easy wrench assembly onto spray guns, lances, or high-pressure hoses.
• Exceptional Pressure & Thermal Ratings: Rated for a maximum pressure of 280 bar and water temperatures up to 160°C, making it ideal for hot water and steam cleaning setups.
• Ergonomic Polyamide (PA) Protection: The heavy-duty plastic handwheel provides a firm grip even with wet gloves while shielding the user's hands from hot brass surfaces.
• High-Pressure Line Reliability: Reliable quick-release connections prevent pressure losses and eliminate downtime in wash bays. Learn how to prepare your pressure accessories for harsh conditions in our winter car wash preparation guide and read more maintenance insights in our article on car wash maintenance tips.

Applications in High-Pressure Washing Equipment:

• Quick-change coupling for spray lances, pressure guns, and foam cannons in car wash bays.
• Adapter for high-pressure hoses in self-service, rollover, and industrial cleaning installations.
• Protecting water control and hydraulic circuits — check also our guide on choosing solenoid valves for car washes and browse our solenoid valves and repair kits category.