for orders over Morrison Brothers 535 Series ductile iron gate valves with expansion relief. These rising stem valves are used for manual flow control in petro-chemical liquid handling systems and bulk plants. Body and bonnet are ductile iron with brass stem and discs and Teflon packing and gasket.
Thermal Expansion Relief Set at 50 PSI
Features
- Double disc design provides positive shut-off
- 200 PSI WOG cold non-shock
- Female NPT threaded connections
- Valve can be left partially open to control flow
- 535BDI are lockable with a padlock
