Mission™ FLEX-SEAL® Unshielded Sewer Coupling, Series: MR51, Asbestos Cement/Ductile Iron Pipe x Cast Iron/Plastic Pipe Connection, Rubber, Natural, 4.5 in Dia Small x 4.93 in Dia Large x 4 in W, Additional Information: 5/16 in Hex
| Additional Information | : | 5/16 in Hex Screw |
| Color | : | Natural |
| Connection Type | : | Asbestos Cement/Ductile Iron x Cast Iron/Plastic |
| Dimensions | : | 4.5 in ID x 4.93 in OD x 4 in W |
| Domestic/Import | : | Domestic |
| Fitting Size | : | 4 in |
| Material | : | Rubber |
| Series | : | MR51 Series |
- MR51 series couplings are used to join asbestos cement or ductile iron to cast iron or plastic
- Mission™ Flex-Seal® unshielded coupling is a flexible sewer coupling designed to connect similar and dissimilar pipe materials and sizes
- Coupling consists of two (2) 300 series stainless steel worm drive clamps over a molded one-piece elastomeric sealing gasket
- Stainless steel clamps provide a positive seal when properly tightened to 60 in-lb of torque
- Axially slotted clamps enable bands to tighten independently to accommodate variances in the outside diameters of the pipe to be joined, ensuring a watertight, leak-proof and root-proof seal
- Sealing O-rings are installed under each sealing clamp to prevent pipe slippage and create a more positive seal
- Use of 300 series stainless steel components are highly effective in a variety of environments such as marine applications, poorly aerated or moist soils, contaminated ground conditions (particularly industrial fill sites) and where the ground water contains chloride, sulfates or bicarbonates
- Synthetic rubbers permit a substantial degree of distortion without change in basic physical resistance, unlike other manufacturers thermoplastic coupling materials
- Molded synthetic rubber gasket is strong, durable and resilient to ultraviolet rays, ozone, fungus growth, natural erosive properties and normal sewer gases
- More pliable and easier to install in cold weather applications than an elastomeric PVC gasket
- All Flex-Seal® unshielded couplings are designed to be installed with a pre-set torque wrench calibrated to 60 in-lb maximum to accommodate the 300 series stainless steel 5/16 in hex head screw
- Easy to install and reuse
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