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Coilhose Pneumatics
 
Airtek Hose Clamps
Airtek Double Ear Clamps
Airtek Pinchers
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Hose Clamps
Featuring  heavy-duty, stainless-steel clamp and housing, with cadmium plated steel screw, Model HC; also all stainless construction including screw, Model HS.  Coilhose Worm-Drive Reusable Hose Clamps facilitate quick, permanent in field installation and repairs for a wide variety of application.  Makes custom hose assemblies possible using only a screw driver.  Also ideal for special situations requiring extra reinforcement.  Available in a wide variety of sizes.  Can be removed and reused.
gear clamp
PART NO. SIZE RANGE (DIAMETER) BAND WIDTH ALL SS PART NO.
MINIMUM MAXIMUM
HC104 7/32" 5/8" 5/16" HS104
HC106 5/16" 7/8" 5/16" HS106
HC108 7/16" 1" 5/16" HS108
HC110 9/16" 1-1/16" 5/16" HS110
HC112 9/16" 1-1/4" 5/16" HS112
HC116 11/16" 1-1/2" 5/16" HS116
HC120 3/4" 1-3/4" 5/16" HS120
HC206 3/8" 7/8" 9/16" HS206
HC208 7/16" 1" 9/16" HS208
HC210 9/16" 1-1/16" 9/16" HS210
HC212 9/16" 1-1/4" 9/16" HS212
HC216 11/16" 1-1/2" 9/16" HS216
HC220 3/4" 1-3/4" 9/16" HS220
HC224 1-1/16" 2" 9/16" HS224
HC228 1-5/16" 2-1/4" 9/16" HS228
HC232 1-9/16" 2-1/2" 9/16" HS232
HC236 1-13/16" 2-3/4" 9/16" HS236
HC240 2-1/16" 3" 9/16" HS240
HC244 2-5/16" 3-1/4" 9/16" HS244
HC248 2-9/16" 3-1/2" 9/16" HS248
HC252 2-13/16" 3-3/4" 9/16" HS252
HC256 3-1/16" 4" 9/16" HS256
HC264 3-9/16" 4-1/2" 9/16" HS264
HC272 4-1/16" 5" 9/16" HS272
HC280 4-5/8" 5-1/2" 9/16" HS280
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Double Ear Clamps
ear clamp

 

 Double ear clamps are widely used in maintenance and OEM medium pressure applications.  Their single piece construction assures a positive, tamperproof seal without damaging the hose or tubing. "Double ear" design permits compensations for tolerance variations in hose sizes.

For proper installation, select the nominal clamp size nearest to, but slightly larger than, the outside diameter of the hose or tubing to be clamped with the insert (fitting) in place.  One ear should be closed all the way. When the second ear is closed, the first ear will open slightly. This creates a spring-like action which holds against pressure, vibration and hose shrinking caused by temperature changes or aging. 
PART NO. INCHES MM WIDTH THICKNESS INNER WIDTH OF EAR
CLOSED OPEN CLOSED OPEN INCHES MM INCHES MM INCHES MM
5/32 0.122 0.161 3.1 4.1 0.138 3.5 0.0197 0.5 0.0591 1.5
11/64 0.138 0.177 3.5 4.5 0.138 3.5 0.0236 0.6 0.0591 1.5
3/16 0.118 0.197 3 5 0.197 5 0.0276 0.7 0.098 2.5
1/4 0.197 0.276 5 7 0.236 6 0.0276 0.7 0.118 3
5/16 0.276 0.354 7 9 0.276 7 0.0394 1 0.126 3.2
3/8 0.315 0.433 8 11 0.276 7 0.0394 1 0.177 4.5
7/16 0.354 0.433 9 11 0.276 7 0.0394 1 0.138 3.5
1/2 0.433 0.512 11 13 0.276 7 0.0394 1 0.138 3.5
9/16 0.512 0.591 13 15 0.295 7.5 0.0394 1 0.158 4
19/32 0.591 0.669 15 17 0.315 8 0.0473 1.2 0.197 5
5/8 0.591 0.708 15 18 0.315 8 0.0473 1.2 0.197 5
3/4 0.669 0.787 17 20 0.335 8.5 0.0473 1.2 0.236 6
13/16 0.748 0.866 19 22 0.354 9 0.0591 1.5 0.256 6.5
7/8 0.787 0.905 20 23 0.354 9 0.0591 1.5 0.256 6.5
15/16 0.866 0.984 22 25 0.394 10 0.0591 1.5 0.256 6.5
1 0.905 1.063 23 27 0.394 10 0.0591 1.5 0.276 7
1-1/16 0.984 1.102 25 28 0.394 10 0.0591 1.5 0.256 6.5
1-1/8 1.063 1.220 27 31 0.394 10 0.0591 1.5 0.295 7.5
1-3/16 1.102 1.220 28 31 0.394 10 0.0591 1.5 0.295 7.5
1-5/16 1.220 1.339 31 34 0.394 10 0.0591 1.5 0.295 7.5
1-7/16 1.339 1.487 34 37 0.394 10 0.0591 1.5 0.315 8
1-1/2 1.457 1.575 37 40 0.394 10 0.0591 1.5 0.315 8
1-5/8 1.575 1.693 40 43 0.394 10 0.0591 1.5 0.335 8.5
1-3/4 1.693 1.811 43 46 0.394 10 0.0591 1.5 0.335 8.5
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Pinchers
pincher [incher

Straight Ear Clamp Pincher # 1098

Side Ear Clamp Pincher  # 1099
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