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The PARKER B35F is a female NPTF pneumatic hose coupler designed for industrial compressed-air and pneumatic fluid-power systems. Built from brass, this coupler features a 3/8-inch body diameter and a 1/2-14 NPTF threaded connection, providing a pressure-tight, thread-form seal without the need for additional sealant tape in many applications. The threaded NPTF interface conforms to the National Pipe Taper Fuel standard, which creates a dry seal on metal-to-metal contact. Weighing 0.46 pounds and measuring 2.57 inches in length, this is a compact, field-ready fitting installed by industrial maintenance technicians, HVAC mechanics, and pneumatic system specialists.
The B35F is suited for use in industrial plant-floor pneumatic distribution lines, compressed-air tool hookups, and portable air-supply systems where a reliable quick-disconnect coupler point is required. Its brass construction makes it appropriate for moderate-pressure pneumatic service and environments where corrosion resistance to moisture and light chemicals is beneficial. The 1/2-14 female NPTF thread mates with standard male NPTF pipe fittings and compatible industrial interchange coupler plugs.
Designed as an OEM-style replacement or service fitting for industrial pneumatic systems using 1/2-14 NPTF female coupler connections and 3/8-inch body industrial interchange plugs.
Installation should be performed by a qualified industrial mechanic or pneumatic systems technician. Depressurize and lock out the pneumatic supply line fully before removing or installing any coupler. Apply thread sealant or PTFE tape as required by site standards, noting that NPTF threads are designed for dry-seal engagement but site practice may vary. Verify thread engagement and leak-test the connection before returning the system to service.
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