Fernco Adaptor Coupling

Useful Information

What is an Adaptor Coupling Used For?

Fernco (formerly known as Flexseal) Adaptor Couplings, are essential components in unadopted drainage systems. They are primarily used for connecting drainage pipes with varying outside diameters, seamlessly joining larger pipes to smaller ones and vice versa. This capability makes them an ideal solution for private roads, housing sites, industrial areas, and agricultural land.

Key Features

  • Versatile Connection: Adaptor couplings are designed to accommodate differences in pipe diameters, providing a flexible and reliable solution for diverse pipe configurations.
  • Durable Components: Each coupling consists of a stepped, moulded EPDM rubber body with two stainless steel clamp bands. This robust construction ensures a long-lasting and resilient connection.
  • Easy Installation: The couplings can be tightened onto pipes using a nut driver and torque wrench, facilitating a quick and secure installation process.
  • Airtight and Watertight Seal: Once tightened, the couplings create a permanent airtight and watertight seal, ensuring the integrity of the drainage system.

Specifications

  • Material: Stepped moulded EPDM rubber body with stainless steel clamp bands.
  • Pressure Rating: 0.6bar, 8.70psi
  • Temperature Range: -50°c to 80°c constant, 100°c intermittent
  • Compatibility: Suitable for connecting unadopted drainage pipes with different outside diameters.
  • Installation Tools: Nut driver and torque wrench for tightening.
  • Standards: BS EN 681-1:1996, BS EN 295-4:2013 & BS EN 10088-2:1995

SKU Fernco Code Size Range A (mm) Size Range B (mm) Tightening Torque
484312 AC1155 100 - 115 75 - 90 6Nm
484313 AC1201 105 - 120 35 - 45 6Nm
484314 AC1225 110 - 122 48 - 56 6Nm
484315 AC1226 110 - 122 60 - 68 6Nm
484316 AC1221 110 - 122 80 - 95 6Nm
484317 AC5144 110 - 125 100 - 115 6Nm
484318 AC1361 121 - 136 80 - 95 6Nm
484319 AC1362 121 - 136 100 - 115 6Nm
484320 AC4000 121 - 136 110 - 121 6Nm
484321 AC1452 130 - 145 110 - 125 6Nm
484322 AC1552 140 - 155 90 - 105 6Nm
484323 AC1602 144 - 160 110 - 122 6Nm
484324 AC1603 144 - 160 121 - 136 6Nm
484325 AC1702 155 - 170 110 - 125 6Nm
484326 AC1703 155 - 170 130 - 145 6Nm
484327 AC1922 170 - 192 110 - 122 6Nm
484328 AC1923 170 - 192 121 - 136 6Nm
484329 AC1924 170 - 192 144 - 160 6Nm
484330 AC2000 180 - 200 130 - 145 6Nm
484331 AC6001 180 - 200 144 - 160 6Nm
484332 AC2001 180 - 200 155 - 170 6Nm
484333 AC6000 180 - 200 160 - 180 6Nm
484334 AC2100 185 - 210 100 - 115 6Nm
484335 AC2101 185 - 210 160 - 180 6Nm
484336 AC2154 190 - 215 150 - 165 6Nm
484337 AC2254 200 - 225 160 - 175 6Nm
484338 AC2352 210 - 235 110 - 122 6Nm
484339 AC2353 210 - 235 121 - 136 6Nm
484340 AC2354 210 - 235 144 - 160 6Nm
484341 AC2355 210 - 235 170 - 192 6Nm
484342 AC2356 210 - 235 190 - 215 6Nm
484343 AC2654 240 - 265 144 - 160 6Nm
484344 AC2655 240 - 265 170 - 192 6Nm
484345 AC2656 240 - 265 190 - 215 6Nm
484346 AC2657 240 - 265 210 - 235 6Nm
484347 AC2754 250 - 275 160 - 175 6Nm
484348 AC2756 250 - 275 200 - 225 6Nm
484349 AC9001 260 - 285 180 - 205 13Nm
484350 AC2904 265 - 290 144 - 160 13Nm
484351 AC2907 265 - 290 210 - 235 13Nm
484352 AC2908 265 - 290 235 - 260 13Nm
484353 AC3204 295 - 320 144 - 160 13Nm
484354 AC3205 295 - 320 170 - 192 13Nm
484355 AC3207 295 - 320 210 - 235 13Nm
484356 AC3208 295 - 320 240 - 265 13Nm
484357 AC3209 295 - 320 265 - 290 13Nm
484360 AC3608 335 - 360 240 - 265 13Nm
484358 AC3609 335 - 360 265 - 290 13Nm
484359 AC3600 335 - 360 295 - 320 13Nm
484362 AC3858 360 - 385 240 - 265 13Nm
484361 AC3850 360 - 385 300 - 325 13Nm
484363 AC4208 395 - 420 240 - 265 13Nm
484364 AC4209 395 - 420 265 - 290 13Nm

How and Where to Install

The Fernco Adaptor Coupling is designed for easy installation in unadopted or private drainage systems. To install:

  1. Position the coupling over the pipe ends ensuring the sizes match the stepped diameters.
  2. Use a nut driver and torque wrench to tighten the stainless steel clamp bands around the pipes.
  3. Ensure the coupling is securely fastened to create an airtight and watertight seal.

Installation Note: It's important to note that Adaptor Couplings are not suitable for use in adopted drainage systems regulated by highway agencies, water companies, or local authorities. In these cases, Shear Banded Couplings combined with Bushes are recommended as per WIS 4-41-01 specifications.

Downloads

Fernco 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.

 

Grouped product items
CodeProduct NameList PriceYou SaveYou Pay Quantity
484312Fernco EPDM Adaptor Coupling 100-115mm x 75-90mm £21.37 30%
£14.96
484313Fernco EPDM Adaptor Coupling 105-120mm x 35-45mm £23.32 30%
£16.32
484314Fernco EPDM Adaptor Coupling 110-122mm x 48-56mm £23.26 30%
£16.29
484315Fernco EPDM Adaptor Coupling 110-122mm x 60-68mm £21.12 30%
£14.78
484316Fernco EPDM Adaptor Coupling 110-122mm x 80-95mm £17.18 30%
£12.03
484317Fernco EPDM Adaptor Coupling 110-125mm x 100-115mm £25.24 30%
£17.67
484318Fernco EPDM Adaptor Coupling 121-136mm x 80-95mm £21.39 30%
£14.97
484319Fernco EPDM Adaptor Coupling 121-136mm x 100-115mm £9.61 30%
£6.73
484320Fernco EPDM Adaptor Coupling 121-136mm x 110-121mm £9.94 30%
£6.96
484321Fernco EPDM Adaptor Coupling 130-145mm x 110-125mm £26.65 30%
£18.66
484322Fernco EPDM Adaptor Coupling 140-155mm x 90-105mm £26.62 30%
£18.64
484323Fernco EPDM Adaptor Coupling 144-160mm x 110-122mm £22.36 30%
£15.65
484324Fernco EPDM Adaptor Coupling 144-160mm x 121-136mm £34.09 30%
£23.86
484325Fernco EPDM Adaptor Coupling 155-170mm x 110-125mm £26.35 30%
£18.44
484326Fernco EPDM Adaptor Coupling 155-170mm x 130-145mm £31.44 30%
£22.01
484327Fernco EPDM Adaptor Coupling 170-192mm x 110-122mm £21.78 30%
£15.24
484328Fernco EPDM Adaptor Coupling 170-192mm x 121-136mm £36.84 30%
£25.79
484329Fernco EPDM Adaptor Coupling 170-192mm x 144-160mm £30.89 30%
£21.62
484330Fernco EPDM Adaptor Coupling 180-200mm x 130-145mm £35.49 30%
£24.84
484331Fernco EPDM Adaptor Coupling 180-200mm x 144-160mm £35.49 30%
£24.84
484332Fernco EPDM Adaptor Coupling 180-200mm x 155-170mm £35.30 30%
£24.71
484333Fernco EPDM Adaptor Coupling 180-200mm x 160-180mm £25.66 30%
£17.96
484334Fernco EPDM Adaptor Coupling 185-210mm x 100-115mm £35.49 30%
£24.84
484335Fernco EPDM Adaptor Coupling 185-210mm x 160-180mm £39.04 30%
£27.33
484336Fernco EPDM Adaptor Coupling 190-215mm x 150-165mm £41.71 30%
£29.20
484337Fernco EPDM Adaptor Coupling 200-225mm x 160-175mm £41.71 30%
£29.20
484338Fernco EPDM Adaptor Coupling 210-235mm x 110-122mm £44.82 30%
£31.38
484339Fernco EPDM Adaptor Coupling 210-235mm x 121-136mm £46.12 30%
£32.28
484340Fernco EPDM Adaptor Coupling 210-235mm x 144-160mm £50.22 30%
£35.15
484341Fernco EPDM Adaptor Coupling 210-235mm x 170-192mm £55.62 30%
£38.93
484342Fernco EPDM Adaptor Coupling 210-235mm x 190-215mm £58.73 30%
£41.11
484343Fernco EPDM Adaptor Coupling 240-265mm x 144-160mm £61.40 30%
£42.98
484344Fernco EPDM Adaptor Coupling 240-265mm x 170-192mm £61.40 30%
£42.98
484345Fernco EPDM Adaptor Coupling 240-265mm x 190-215mm £69.66 30%
£48.76
484346Fernco EPDM Adaptor Coupling 240-265mm x 210-235mm £69.68 30%
£48.78
484347Fernco EPDM Adaptor Coupling 250-275mm x 160-175mm £84.01 30%
£58.81
484348Fernco EPDM Adaptor Coupling 250-275mm x 200-225mm £84.01 30%
£58.81
484349Fernco EPDM Adaptor Coupling 260-285mm x 180-205mm £62.66 30%
£43.86
484350Fernco EPDM Adaptor Coupling 265-290mm x 144-160mm £72.60 30%
£50.82
484351Fernco EPDM Adaptor Coupling 265-290mm x 210-235mm £88.90 30%
£62.23
484352Fernco EPDM Adaptor Coupling 265-290mm x 235-260mm £63.13 30%
£44.19
484353Fernco EPDM Adaptor Coupling 295-320mm x 144-160mm £94.27 30%
£65.99
484354Fernco EPDM Adaptor Coupling 295-320mm x 170-192mm £97.68 30%
£68.37
484355Fernco EPDM Adaptor Coupling 295-320mm x 210-235mm £85.54 30%
£59.88
484356Fernco EPDM Adaptor Coupling 295-320mm x 240-265mm £107.81 30%
£75.47
484357Fernco EPDM Adaptor Coupling 295-320mm x 265-290mm £107.81 30%
£75.47
484358Fernco EPDM Adaptor Coupling 335-360mm x 265-290mm £114.53 30%
£80.17
484359Fernco EPDM Adaptor Coupling 335-360mm x 295-320mm £114.53 30%
£80.17
484360Fernco EPDM Adaptor Coupling 335-360mm x 240-265mm £111.09 30%
£77.76
484361Fernco EPDM Adaptor Coupling 360-385mm x 300-325mm £129.83 30%
£90.88
484362Fernco EPDM Adaptor Coupling 360-385mm x 240-265mm £129.83 30%
£90.88