MIFAB® MI-QHUB-3 Regular-Duty Coupling, 3 in No-Hub x 3 in No-Hub, Stainless Steel

MIFAB® Series MI-QHUB (specify size) no-hub couplings are manufactured with quick hub gaskets made with neoprene and three sealing rings that meets the requirements of ASTM C564 housed inside a 301 stainless steel corrugated shield. Two (2 to 4 in size), four (6 to 10 in size) or six (12 in sizes) 301 stainless steel clamps tightened with 5/16 in 305 stainless steel hex head screws surround the shield to provide the sealing force. MI-QHUB Series couplings are tested and certified to the ASTM C1277, CISPI 310, NSF, CSA B70 and CSA B602 (file no. 247608) standards and are listed with IAPMO. Also tested and certified by Intertek testing services to CAN/ULC S102.2 "smoke test". Patented pipe clamp for joining all types of pipe.