Triple Seal gaskets are typically used in dry pipe fire protection systems, freezer applications and vacuum service. They differ from the "C" Type gasket in that they have an additional center sealing surface that sits over the pipe gap where the grooved pipe ends meet. As the coupling housing is tightened, the center seal closes off the pipe gap and provides the "triple seal". Sold as part of COOPLOK™ 65LRTRI coupling.
(NOTE: A petroleum-free silicone based lubricant is recommended for dry pipe systems.)
Available in EPDM only. Sizes: 1-1/4" to 8"
7057-5D 60° Long Rad. Elbow
7069 45° Lateral
7082 Adapter Nipple Gr x Bevel
7077 Swaged Nipple Reducer Gr x Gr
COOPLOK Eccentric Reducer
COOPLOK Drain Cap
7085 Flange Nipple, #300
7086 Hose Nipple
COOPLOK Grooved Cap with Center Tap
COOPLOK 90° Elbow, Standard Radius