Pinch clamps are typically used on miniature tubing applications which are not subject to much pressure or forces. They are a viable option for quick, easy field installation of a range of tubings.
These are stepless, one ear pinch clamps that guarantee 360° closure. The 505 have a 5mm wide band and the 706 have a 7mm wide band. They are made of 304 stainless steel.
https://dwbmfg.com/product-category/single-ear-clamps/
These are typically used in irrigation and water supply systems for clamping poly pipe and non-critical, soft tubing.
https://dwbmfg.com/product-category/single-ear-clamps-with-mechanical-interlock/
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