Capillary Coupler

Javac Capillary Couplers are designed with integrated O‑ring seals, ensuring absolute tightness at every joint. This reliable sealing system prevents the capillary tube from twisting during installation, maintaining correct alignment and long‑term performance. Equipped with pre‑assembled union nuts, these capillary couplers allow fast, secure connections to pressure switches, gauges, and pressure‑controlled cooling water regulators. Their precision design makes them ideal for accurate pressure equalisation and throttling in refrigeration and air conditioning systems. Built for durability and installation efficiency, Javac Capillary Couplers deliver dependable performance in demanding HVAC/R applications.