The design is based on use of an engineered disc of the same dia. as the bore of the pipe arranged to pivot such that when it is across the bore is closes off the flow path. When turned through 90o the disc provides minimum resistance to the flow.
- Size: 50mm to 1600 mm
- Specification: General manufacturing standard, IS: 13095/BS: 5155/AWWA: C-504
- Application: Water, gas, oil etc.
