The Fernco (previously known as Flexseal) Plumbing Adaptor Coupling, is a versatile plumbing solution used for connecting pipes of differing outside diameters, and materials, or for repairing incompatible pipe systems. This makes it an essential tool for plumbers, especially in situations where standard connections are not feasible.
Key Features
Flexible and Reliable Seal: Provides a watertight and airtight seal, ensuring the integrity and efficiency of the plumbing system.
Universal Compatibility: This can be used on any pipe material, adding to its versatility in various plumbing scenarios.
Ease of Installation: Designed for quick and straightforward installation, it can be fitted with minimal effort and time.
Reusability: The coupling can be disconnected and reconnected multiple times, offering flexibility in maintenance and adjustments.
Material Quality: Made from high-performance EPDM rubber and stainless steel clamp bands, ensuring durability and longevity.
Specifications
Size Range: Available for pipe diameters from DN70 to DN150.
Material Composition: Constructed from EPDM GF Nylon and Grade 1.4301 (304) Stainless Steel, with an option for Grade 1.4401 (316) stainless steel clamps upon request.
Pressure Rating: Rated for 1 bar (14.5 psi).
Jetting Resistance: Can withstand jetting pressures up to 180 bar.
Temperature Range: Suitable for temperatures from -50°C to 80°C continuously, and up to 100°C intermittently.
Tightening Torque: Recommended torque of 6Nm.
Standards Compliance: Meets the requirements of BS EN 681-1:1996.
SKU
Fernco Code
Connection
Connecting To
Size Range Large End (mm)
Size Range Small End (mm)
484683
PAC0301
35mm Copper
35mm Polypropylene
25mm Polypropylene
30 - 34
24 - 28
484684
PAC0431
35mm Copper
40mm Polypropylene
40mm Polypropylene
38 - 43
30 - 35
484685
PAC0562
40mm Polypropylene
40mm ABS
54mm Copper
50mm ABS
50mm Polypropylene
48 - 56
38 - 43
484686
PAC0682
40mm Polypropylene
40mm ABS
50mm Cast Iron (BS416/BS437)
67mm Copper
50mm Cast Iron (SMU/Ensign)
50mm Aluminium
60 - 68
38 - 43
484687
PAC0923
54mm Copper
50mm Polypropylene
50mm ABS
82mm PVCu
75mm Cast Iron (BS416/BS437)
75mm Cast Iron (SMU/Ensign)
75mm Stainless Steel
82 - 92
48 - 56
484688
PAC0924
50mm Cast Iron (BS416/BS437)
50mm Cast Iron (SMU/Ensign)
50mm Aluminium
50mm Copper
82mm PVCu
75mm Cast Iron (BS416/BS437)
75mm Cast Iron (SMU/Ensign)
75mm Stainless Steel
82 - 92
60 - 68
How and Where to Install an Adaptor Coupling
Installation of the Fernco Plumbing Adaptor Coupling involves:
Preparing the Pipes: Ensure the ends of the pipes to be connected are clean and free from debris.
Positioning the Coupling: Slide the adaptor coupling over one end of the pipe.
Securing the Connection: Align the second pipe with the adaptor and slide the coupling into place, covering the joint between the two pipes.
Tightening the Clamps: Use a nut driver or flat-head screwdriver to tighten the stainless steel clamp bands to the recommended torque of 6Nm.
Checking the Seal: Ensure the seal is tight and secure, with no leaks.
Downloads
Fernco Plumbing Adaptor Coupling Datasheet
If you require any further information, our excellent customer service team is here to help so please call us on 01794 835835.
