The Fernco (formerly known as Flexseal) Standard Coupling, is a shear banded coupling designed to connect and repair pipes in adopted sewer and drainage systems. It is particularly essential for applications required by UK water companies, providing a secure, aligned connection while protecting against shear loads that could lead to pipe misalignment.
Key Features
Shear Band Protection: Equipped with a stainless steel central band to protect the joint under shear loads and maintain pipe alignment.
Versatile Connection: Suitable for straight connections between pipes of the same diameter, and adaptable connections for pipes with differing diameters using additional bushes.
High Pressure Resistance: Withstands internal pressures of up to 2.5 bar.
Compliance with Standards: Approved to WIS 4-41-01, BS EN 681-1:1996, and BS EN 295-4:2013, ensuring compatibility with public and private drainage systems.
Specifications
Material: Made from EPDM and Grade 1.4301 (304) Stainless Steel. Options for different material compositions are available upon request.
Width: Ranges from 80mm to 190mm, varying according to the coupling diameter.
Size Range: Available for pipe diameters from 50mm to 620mm, with custom sizes for larger requirements.
Pressure Rating: Rated for up to 2.5 bar (36.25 psi).
Temperature Range: Suitable for temperatures from -50°C to 80°C continuously, and up to 100°C intermittently.
Jetting Resistance: Resistant to jetting pressures up to 180 bar.
Bolting System: Features an 8mm Worm Drive for secure fastening. Applications: Ideal for connecting plain-ended pipes, pipeline repairs, post-construction connections, and reconnection in renovated sewers.
SKU
Fernco Code
Size Range (mm)
Tightening Torque
Max Diff
Between Pipes OD’s (mm)
484747
SC50
35 - 50
6Nm
6
484748
SC65
50 - 65
6Nm
6
484749
SC75
60 - 75
6Nm
6
484750
SC85
70 - 85
6Nm
6
484751
SC95
80 - 95
6Nm
6
484752
SC100
85 - 100
6Nm
6
484753
SC115
100 - 115
6Nm
6
484754
SC120
105 - 120
6Nm
6
484755
SC125
110 - 125
6Nm
6
484756
SC137
122 - 137
6Nm
6
484757
SC150
125 - 150
6Nm
6
484758
SC165
140 - 165
6Nm
6
484759
SC175
150 - 175
6Nm
6
484760
SC185
160 - 185
6Nm
6
484761
SC200
175 - 200
6Nm
6
484762
SC215
190 - 215
13Nm
6
484763
SC225
200 - 225
13Nm
6
484764
SC250
225 - 250
13Nm
6
484765
SC265
240 - 265
13Nm
6
484766
SC275
250 - 275
13Nm
6
484767
SC290
265 - 290
13Nm
6
484768
SC310
285 - 310
13Nm
8
484769
SC320
295 - 320
13Nm
8
484770
SC335
305 - 335
13Nm
8
484771
SC345
320 - 345
13Nm
8
484772
SC360
335 - 360
13Nm
8
484773
SC370
345 - 370
13Nm
8
484774
SC385
360 - 385
13Nm
8
484775
SC395
370 - 395
13Nm
8
484776
SC410
385 - 410
13Nm
8
484777
SC425
400 - 425
13Nm
8
484778
SC430
405 - 430
13Nm
8
484779
SC445
420 - 445
13Nm
10
484780
SC450
425 - 450
13Nm
10
484781
SC465
440 - 465
13Nm
10
484782
SC470
445 - 470
13Nm
10
484783
SC490
465 - 490
13Nm
10
484784
SC510
485 - 510
13Nm
10
484785
SC525
500 - 525
13Nm
10
484786
SC540
515 - 540
13Nm
10
484787
SC550
525 - 550
13Nm
10
484788
SC560
535 - 560
13Nm
10
484789
SC570
545 - 570
13Nm
10
484790
SC580
555 - 580
13Nm
10
484791
SC600
575 - 600
13Nm
10
484792
SC620
595 - 620
13Nm
10
How and Where to Install a Standard Coupling
Installing the Fernco Standard Coupling involves:
Pipe Preparation: Ensure the pipe ends to be connected are clean and free of debris.
Positioning the Coupling: Slide the coupling over the end of one pipe, aligning it for the connection.
Connecting the Second Pipe: Insert the second pipe into the other end of the coupling, ensuring a snug fit.
Securing the Connection: Tighten the coupling's worm drive using a suitable tool to the recommended specifications, ensuring a secure and leak-free joint.
Verifying Alignment: Check that the pipes are properly aligned and the shear band is correctly positioned to provide adequate protection against shear forces.
Downloads
Fernco Standard Coupling Datasheet
If you require any further information, our excellent customer service team is here to help so please call us on 01794 835835.