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Keystone Ear and Pinch Clamps
KS

Welded Design Keystone Pinch Clamp

Murray KEYSTONE clamping products offer superior strength from 100% stainless steel.
Keystone Pinch Clamps are welded and are quick and easy to install, and provide a uniform, tamper proof seal. They are widely used on both soft hose and rigid plastic pipe. You will find these stainless ks clamps anywhere you connect poly pipe. Ear clamps are excellent for use in a multitude of irrigation and water supply systems, on fuel and vapor lines, to attach dust shields and air filters, for beverage supply lines, for car wash supply lines, and for securing bundles of cable. When crimping with a hand tool, Murray’s true Keystone geometry, located in the ear area, dramatically reduces miscrimps. Keystone Pinch & Ear clamps are 100% Stainless Steel.
Specifications
Clamp Size Chart
"A" Diameter Range
Part Number Metric Decimals
Open Closed Open Closed
KS 3133 13.3 11.4 0.525 0.45
KS 3150 15 12.5 0.59 0.49
KS 3157 15.7 13.2 0.62 0.52
KS 3161 16.1 13.6 0.635 0.535
KS 3165 16.5 14 0.65 0.55
KS 3173 17.3 14.7 0.68 0.58
KS 3185 18.5 16 0.73 0.63
KS 3198* 19.8 16.6 0.78 0.655
KS 3210* 21 17.9 0.83 0.705
KS 3222 22.2 19.1 0.875 0.75
KS 3236 23.6 20.5 0.93 0.805
KS 3256* 25.6 22.5 1.01 0.885
KS 3271* 27.1 24 1.07 0.945
KS 3301 30.1 27 1.185 1.06
KS 3316* 31.6 28.5 1.245 1.12
KS 3324 32.4 29.3 1.275 1.155
KS 3331* 33.1 30 1.3 1.18
KS 3346* 34.6 31.5 1.36 1.24
KS 3396 39.6 36.5 1.56 1.44
KS 3410* 41 37.9 1.615 1.49
KS 3425* 42.5 39.4 1.675 1.55
KS 3485* 48.5 45.5 1.91 1.787
*Popular irrigation sizes are available for immediate shipment packaged in poly bags. Please inquire on availability of other packaging configurations and lead time for other sizes. Other sizes, shapes and materials are available upon request, subject to minimum order quantities.
PDF Specification Sheet
Keystone Ear and Pinch Clamps
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