2022 PRODUCTS CATALOG - INDUSTRIAL HOSE, COUPLINGS AND EQUIPMENT

DEFINITIONS & ABBREVIATIONS API Thread - American Petroleum Institute Thread. Conductive - Rubber designed to transmit electrical current; conducting static electricity. Coupling - A device used to attach a hose to a fitting or other hose in a secure, leakproof manner. There are two primary types. Permanent - A coupling that is applied to the hose with crimping or swaging dies and cannot be easily removed. It is referred to as a “one-time coupling.” Reusable - A coupling that can be used more than once. It can be applied to or removed from a hose with the use of simple tools. Coupling Joint - This leak proof connection is achieved by fastening together the mating surfaces of two couplings. The leak proof seal is obtained by any one of these methods: 1. Washer seal 2. Mechanical seal 3. Thread seal Ferrule - The external part of the coupling which serves to hold the insert to the hose. GHT - Garden Hose Thread. See Pipe Thread Usage for compatibility. Helix - Reinforcement formed by spiraling a wire or plastic rod around the cylindrical body of hose—usually to resist collapse or improve minimum bend radius. I.D. - Abbreviation for Inside Diameter. Insert - That part of the coupling which fits into the I.D. of the hose, which often has a threaded end, also called stem or nipple. IPT - Iron Pipe Thread. A general term applying to all pipe threads. See Pipe Thread Usage page. MBR - Abbreviation for Minimum Bend Radius. It’s the smallest radius, in inches, around which a hose can be bent without overstressing components, collapsing the hose wall and without substantially reducing fluid flow. NPSH - American Standard Straight Pipe Thread for hose couplings and nipples. NPSM - American Standard Straight Pipe Thread—Common name, straight pipe thread for mechanical joints. NPT - American Standard Taper Pipe Thread—Common name, tapered pipe thread. NPTF - American Standard Dryseal Pipe Thread—Common name, dryseal for pressure type joints without sealer. O.D. - Abbreviation for Outside Diameter. Resistant - Rubber designed to prevent transmission of electrical current; nonconductive. Shank - That part of the coupling which fits into the I.D. of the hose. Swivel Female NPSM Threads Solid Female NPTF Threads Swivel Female NPSM Threads Male NPT or NPSM Threads Male NPTF Threads Male NPT or NPTF Threads Washer Seal Washer Joint CHART NO.1 Coupling Joints Dryseal Joint Mechanical Joint Thread Seal Seal - Metal to Metal Contact . GATES INDUSTRIAL HOSE PRODUCTS www.gates.com 27