PNW couplings are designed and certified to CSA B70 & B602 to join cast-iron pipe and fittings in drain, waste and vent applications.
Each coupling includes two components:
- a molded, one- piece neoprene sealing sleeve
- a 300 series AISI stainless steel shield/ clamp assembly with compression corrugation shield pattern
- No-hub couplings are available in sizes from 1½" to 15" in diameter.
Please note when ordering, our couplings are priced per minimum box order.