Tank Filling Equipment & Adapters
Tank Filling Equipment & Adapters
Whips, hardware, and adapters for filling scuba tanks and SCBA units, plus a variety of replacement components including custom pressure hoses and stainless tubing.
IN-LINE FILLER WHIPS
GMC produces scuba filler whips in two configurations: In-Iine and right-angle, which refers to the
position of the air-entry port relative to the long axis of the filler body. In-Iine whips, which contain
air-entry ports that are parallel to the hose, filler body, and tank attachment fitting have been the
industry mainstay for 50 years. Each comes with a 5-foot hose and line valve
In recent years, whips that have the filler attachment set at right angles to the hose and line valve have become quite popular. This configuration prevents excessive bending or straining of the whip hose and improves the handling of dive tanks which must be submerged in water cooling vessels or filled with BC’s / packs in place.
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CUSTOM SYNFLEX AIR HOSES - GMC offers 3 types / sizes of thermoplastic hose for compressed air applications to 5,000 psi with a burst of over 20,000 psi! Select 3/16” ID for fill whips and other uses where good flexibility and moderate flow rates (below 50 CFM) are required. Pick 1/4” ID where severe / outdoor duty, long interconnections, or high flow rates (+50 CFM) are involved. Parker Breathing Air Hose, 6,000 psi duty, is OSHA-approved for human respiration use where certified hose is required.
END FITTINGS - Order hose by the foot and specify any 2 end fittings for that hose: 1/4” male NPT, female #4 JIC (rotatable cap/nut), 1/4” male NPT swivel (only when depressurized).
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Stainless Steel Tubing
GMC offers seamless stainless tube suitable for 5,000 psi service applications. Useful for gas delivery lines in scuba air systems and control panels. When OXY-CLEANED, it’s also suitable for oxygen / Nitrox use. Sold by the foot and shipped in a large coil, although straight lengths to five feet can be sent. Longest continuous length is 20 ft.
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GMC manufactures and distributes a large number of filling devices and related hardware for charging tanks with both DIN and YOKE-mode valves. In general, yoke systems are for 3,200 psi service, whereas DIN types rate at 4,500 psi. For more details see the section on "Flller Whips" on pages 41 - 42. CAUTION: THESE PRODUCTS ARE NOT INTENDED FOR PURE OXYGEN / NITROX APPLICATIONS WITHOUT CERTAIN MODIFICATIONS INDICATED BY OX PART NUMBERS.
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Scuba tank filling hardware wears out from age and pressure stressing, so it must be occasionally replaced or revamped. A wide selection of repair components for this purpose is offered, including various specialty devices.
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