4 x 3 in. Cast Iron or Plastic Reducing Shielded Flexible Coupling
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Mission Rubber
Flex-Seal® 4 x 3 in. Cast Iron or Plastic Reducing Shielded Flexible Coupling
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Purchase history
Mission Rubber
Flex-Seal®
4 x 3 in. Cast Iron or Plastic Reducing Shielded Flexible Coupling
MR5643-ARC
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Order Date
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Frequently Purchased Together
Product Details
- Sealing "O" rings under each sealing clamp band prevent pipe slippage and provide a more positive seal
- Most couplings require no bushings for dissimilar types or sizes of pipe
- Mission's ARC stainless steel shear ring is the heaviest in the industry; over 33% thicker than the competition
- 316 Series stainless steel clamps with nut and bolt takeup are standard and meet all requirements of ASTM A 240
- Molded rubber sleeve, extruded in larger sizes, conforms to ASTM C 425, ASTM C 1173
- 300 Series stainless steel shear rings with a minimum thickness of .012" conform to ASTM A 240
- Nut and bolt clamp design is much stronger than traditional worm drive design
- Surgical Grade 316 stainless steel sealing clamps provide the greatest corrosion resistance possible
Specifications
- ASTM:
- ASTM C-425, ASTM C-1173, ASTM A-240
- CSA Certified:
- CSA B602
- Clean Bagged:
- No
- Collection:
- Flex-Seal®
- End Connection 1:
- Clamp
- End Connection 2:
- Clamp
- End Connections:
- Clamp
- FM Approved:
- No
- Fitting Size 1:
- 4 in
- Fitting Size 2:
- 3 in
- Fitting Sizes:
- 4 in x 3 in
- Fitting Type:
- Reducing
- NSF Certified:
- Yes