The wafer valve is designed for use with Taitat Changlin Tapping, Plugging Machines, and fittings during hot tapping and plugging (HT&P) operations. Wafer Valves have a flat faced, serrated gasket surface and are supplied to match ASME class 150, 300, or 600 flanges.
Key Features
● Bidirectional design allows for installation in any direction.
● Can be oriented parallel or perpendicular to the pipeline to fit the excavation.
● Equipped with an oversized bore, positive shutoff, built-in pressure equalizing valve and integral flange studs.
Specifications
| Pipeline Medium Temperature | -20-80°C |
| Applicable Media | oil, natural gas, water, coal gas, light oil, aviation fuel, and other non-corrosive media |
| Valves 16-inch and larger are hydraulically operated | |
| Engineered to match ASME Class 150, 300 or 600 flanges | |
| 4-inch through 28-inch | |
Common Applications
Hot tapping and isolation operations, including tie-ins, crossovers, line extensions, connections, main relocations, and bypasses.