Stainless steel hygienic butterfly valves.
F250 for imperial tubing
F251 for metric tubing
Figures 250 and 251 Stainless Steel
- Description
- Specifications
- Documentation
Stainless steel hygienic butterfly valves.
- F250 for imperial tubing
- F251 for metric tubing
Features & Benefits:
- Keystone technology.
- Quarter turn operation.
- Isolation or regulation control.
- Equal percentage characteristics.
- Bi-directional capability.
- Fully machined 316L stainless steel body.
- Optional end connections.
- One-piece disc and stem assembly.
- High Cv slim profile disc.
- Integral valve position indicator.
- High grade seat material options.
- Combination dual or multi position handle assembly.
- High impact reinforced polymer handle with a stainless steel drive (full stainless steel option available).
- Integral padlocking as standard on manual valves.
- Maintenance friendly.
- Site repairable.
- Full range of optional accessories.
General Applications:
A universal valve for isolation and control, in the food, dairy, brewing, pharmaceutical, beverage and chemical industries.
The Figure 250 and 251 are designed to be easily automated with any of Keystone’s actuators and controls. From the Figure 257 Vertical Actuator and Figure 783 Electronic Control Head, to the Figure 790 or Figure 79S actuator.
Technical Data
Max Product Pressure @ 20°C: 1000 kPa (10 bar)
Recommended Working Pressure @ 20°C: 600 kPa (6 bar)
Minimum Product Pressure @ 20°C; Full Vacuum
General Temperature Range: -10°C to 95°C
Maximum Static Temperature
Silicon: 240°C
Epdm: 120°C
Nitrile: 100°C
Viton®: 230°C
