Hose Clamp 16-23mm: Neptune HS8 worm drive clamp for 12 mm fuel hose
The Hose Clamp 16-23mm is the Neptune HS8 worm drive hose clamp with an 8 mm stainless steel band, clamping from 16 to 23 mm. It suits Neptune RFH12 12mm fuel hose, and you can also buy it in packs of 10 for workshops.
Specifications
- Clamping range: 16 to 23 mm
- Band width: 8 mm
- Material: stainless steel
- Type: worm drive hose clamp
- Brand and part number: Neptune HS8
- Sold as: single clamp or pack of 10
Sizing a hose clamp
Measure the outside diameter of the hose once it sits on the fitting, then pick a clamp whose range puts that size near the middle. A clamp wound out to its limit grips unevenly, and one wound right down can bite into the hose. Also suits other hoses of 16 to 23 mm outside diameter, such as heater and breather hoses.
Fitting tips
- Fit the clamp just behind the barb or bead so it cannot slide off.
- Tighten firmly, but stop before the band cuts into the rubber.
- Check the clamps again after the first few heat cycles, because hoses take a set.
Which clamp for which fuel hose
Neptune fuel hose comes in six sizes, and each has a matching clamp: the 8 to 13 mm clamp for 3.2 and 5 mm hose, the 10 to 16 mm clamp for 6 and 8 mm hose, the 13 to 19 mm clamp for 10 mm hose and the 16 to 23 mm clamp for 12 mm hose. Stainless steel resists rust, so the clamp still undoes cleanly when you next replace the hose.
More clamps and hoses: Clamps & Hoses and Fuel Hose.
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