Description
Specifications
- End Connection
- Wafer
- Application
- Air Circulation, Facilities & Process Utilities
- Material
- 316 Stainless Steel, Cast Iron
- Operating Temperature
- Up to 250 F (120 C)
- Pressure Class
- ASME
- Process Connection Type
- 150RF
- Seat/Seal Type
- Resilient
- Shutoff Class
- Zero Leakage
- Valve Size Standard
- NPS
- Valve Type
- Butterfly
- Media
- Air, Liquids, Water
- Stem
- O-ring
Features
- Bubble-tight shut-off at full pressure rating (PTFE lined configuration is drop tight).
- The seat and the disc are the only two valve parts in contact with the medium.
- Superior design for abrasive and erosive media.
- Famous Keystone dovetail seat design.
- Very low pressure drop.
- Large number of material combinations available.
- Standardized actuator flange for easy operator interchangeability.
- Top bushing absorbs side thrust loads.
- Hub seal provided by preloaded contact between flatted seat surface and disc hub area for positive sealing at all disc positions.
- One-piece wafer thin disc stem gives the very minimum obstruction to flow.
- Field replaceable seat isolates the body and stem from the flow.
- Molded-in O-rings provides flange sealing and eliminates need for gaskets.
