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A. This size spans 30-40mm of fitted hose outside diameter. Measure the hose over its fitting, not the bare bore - anywhere inside 30-40mm and the HGZ40PM2 is the right clip. One JCS size covers a span that would take two fixed nut-and-bolt clamps. In imperial terms that is roughly 1 3/16 to 1 9/16 in, covering common 1 1/4 and 1 1/2 in hose sizes.
A. JCS recommends 5.0 Nm (45 lb-in) for this size. Position the clip centrally over the hose barb and tighten incrementally to that torque - over-tightening can damage the hose.
A. No - JCS itself cautions that zinc-coated clamps can quickly corrode or seize around salt water. The marine specification is Hi-Grip Stainless: 18/8 304 stainless throughout, with Lloyd's Register Type Approval.
A. Anywhere a flexible hose seals onto a rigid fitting in dry or general conditions - vehicles, garden and grounds machinery, air lines, workshop and light industrial pipework. JCS supplies the automotive sector and leading agricultural machinery manufacturers.
A. Start from the application, as JCS's own guidance does: what the hose carries, the temperature and pressure involved, and whether the environment is corrosive. Dry, general duty points to this zinc plated clip; wet, salty or chemical exposure points to the stainless range. Then size by the fitted hose diameter.
A. JCS designs against it: the hex screw is cold-headed and work-hardened with rolled threads, so it holds its setting and will not round off. On high-vibration equipment, JCS's guidance is to recheck the clip after service to keep the seal intact.
A. This is a pack of 10 clips, all 30-40mm adjustment range. Other pack formats of the same clip are listed separately.
A. Every product comes with a different guarantee and warranty. Warranty details are shown in the product's tech specs or datasheet where available.
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