Advance Tabco
Advance Tabco FC-1-1818-X Wall Mounted Sink 18 in x 18 in, 304
- Silver
$790.99
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In stock
Fernco Inc.
Fernco Inc. 1056-54 Flexible Coupling Conduit 5 in x 4 in
Flexible elastomeric PVC conduit coupling joins 5 in and 4 in pipes with 300 stainless steel bands, rated to 4.3 psi and 140 °F, meeting ASTM C1173
- TypeConduit Fittings
- Connects 5 in and 4 in pipes securely
- Elastomeric PVC resists chemicals, fungus and sewer gases
- 300 stainless steel bands maintain clamp strength
- Meets ASTM C1173 standard for reliable performance
- Withstands up to 140 °F and 4.3 psi pressure
Flexible Conduit Coupling 5 in x 4 in
This elastomeric PVC coupling joins 5-inch and 4-inch conduit runs in electrical installations. The flexible body absorbs vibration and misalignment while maintaining a sealed pathway. Stainless steel bands secure each end for a reliable mechanical connection. It suits contractors and maintenance teams working on underground or exposed raceway systems.
ASTM C1173 standard and 4.3 psi pressure limit
The fitting meets ASTM C1173 for flexible conduit couplings, confirming material and dimensional requirements. Maximum working pressure is 4.3 psi, so it is intended for gravity-flow or low-pressure conduit environments only. It is not rated for pressurised fluid or gas lines. Designers must verify that system pressure stays below this threshold.
Operating temperature ceiling of 140 °F
Elastomeric PVC construction withstands continuous exposure up to 140 degrees Fahrenheit. Above this temperature the material may soften, reducing sealing force and chemical resistance. Installations in boiler rooms, direct steam paths or high-heat industrial processes should use a higher-rated coupling. This limit is the decisive factor when specifying the part.
Highlights
- Connects 5 in and 4 in pipes securely
- Elastomeric PVC resists chemicals, fungus and sewer gases
- 300 stainless steel bands maintain clamp strength
- Meets ASTM C1173 standard for reliable performance
- Withstands up to 140 °F and 4.3 psi pressure
Specifications
| Brand | FERNCO, INC. |
|---|---|
| Type | Conduit Fittings |
Questions about this item
Should I choose the 5 in x 4 in flexible coupling for my pipe size?
Yes, this coupling is built for a 5 in by 4 in pipe size with an inside diameter of 5-37/64 in x 4-17/64 in, matching that exact transition.
What does the 4.3 psi maximum pressure mean when the coupling is installed?
It means the joint will hold up to 4.3 psi internal pressure without leaking, suitable for low-pressure drain, waste and vent systems.
How does the ASTM C1173 standard affect what this coupling can handle?
ASTM C1173 certifies the elastomeric PVC material and 300 stainless steel bands for chemical, fungus, sewer-gas and UV resistance up to 140 °F.
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