Edwards backing/roughing valves with ISO NW roughing and forepump terminations feature manual or pneumatic actuation. They combine the function of separate backing/roughing valves in one integral 3 port unit. A flexible neoprene connector is supplied for the backing connection. The roughing and forepump ports terminate in the appropriate NW termination.
| Edwards Vacuum | |
|---|---|
| Product Category | Vacuum Valves |
| Product Number | BRV25 |
| Product Name | Backing/Roughing Valve |
| Type | Angle |
| ISO Port Flange Size | NW 25 |
| Vacuum / Pressure Range | (UHV, < 10-8 torr); Elevated or positive pressures (>> 760 torr) |
| Temperature Range | 158 F (70 C) |
| Port Flange & Seal Type | ISO flange; ISO-KF (Small Clamped, <2") |
