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Clay Drainage and Chimney Pot Manufacturers

NSC Flexible Standard Coupling

NSC Flexible Standard couplings are supplied complete with a “shear band” and are used to connect pipe sizes up to 580mm maximum outside diameter where resistance to shear loads is required. These are used to connect pipes of different materials, construction and size and can be used with Salt glazed Ware, Vitrified Clay, Densleeve, Supersleve, Concrete, Cement, Pitch Fibre, Ultra-Rib, Ductile Iron and PVC-U pipe.

Typical Applications include the repair and maintenance of existing pipelines, connecting pipes of different materials and sizes, connecting junctions into existing pipelines, reconnecting laterals onto renovated sewers and introducing rocker or hinge pipes outside manholes or structures.

Typical Uses for Common NSC Couplings

NSC137 – 100mm Salt Glazed Ware (4″), Vitrified Clay, Densleeve, Supersleve, Pitch Fibre and Cement Pipe
NSC200 – 150mm Salt Glazed Ware (6″), Vitrified Clay, Densleeve, Supersleve, Concrete, Cement, Pitch Fibre, Ultra-Rib and 200mm PVC-U Pipe
NSC290 – 225mm Salt Glazed Ware (9″), Vitrified Clay, Densleeve, Supersleve, Concrete (OD up to 290), 250mm Cement and 250mm Ductile Iron Pipe
NSC385 – 300mm Salt Glazed Ware (12″), Vitrified Clay, Densleeve, Supersleve, Concrete (OD up to 385) Pipe

For typical uses of other product codes please refer to WT Knowles

Product Code Min OD (mm) Max OD (mm)
NSC115 100 115
NSC121 105 121
NSC125 110 125
NSC137 120 137
NSC175 150 175
NSC200 175 200
NSC250 225 250
NSC275 250 275
NSC290 265 290
NSC365 340 365
NSC385 355 385
NSC465 435 465
NSC495 465 495
NSC560 530 560
NSC580 555 580