Genuine Oetiker Clamps Band, spacer, retaining elements (D-nut): Stainless Steel, Material no. 1.4301/UNS S30400 Screw: Stainless Steel, Material no. 1.4319/UNS S30200 Spring: 17-7PH (aerospace quality) What is StepLess Technology? Oetiker invented the StepLess ear clamp in 1979. The ear clamp’s special design eliminates steps and/or overlaps on the inner circumference of the clamp for a 360° leak-free seal. Because the tongue resides in a groove, the “tongue-in-groove” feature exerts pressure on the assembled parts over 360°, enabling the clamp to apply a continuous radial force completely around the connection’s diameter. Interlock The closure is a mechanical interlock whose function is to provide secure retention of the round clamp geometry. The interlock can be opened to permit radial assembly of the clamp, and at the same time provides a simple way of relocating the interlock features to obtain alternative diameters prior to tightening. Clamp diameter The following applies as a guideline: To determine the correct clamp diameter, push the hose onto the attaching material, (e.g. the nipple), and then measure the outer diameter of the hose. The value of the outer diameter must be slightly above the average value of the diameter range of the clamp to be selected. The listed size of the clamp denotes the inner diameter (id) of the clamp. Please Note: The clamps included in this kit are not designed or intended for use in PEX applications. The sizing references for PEX clamps are not the same as standard Oetiker clamps. Oetiker PEX Clamps should be used for PEX applications.
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