VK-7211-203-4-01
Details
Details
1/2 in. 2-Way Globe Valve, Union Straightway NPT, Cv 0.4, 8-13 psi MK-2690 Pneumatic Actuator, NO
Closes on rising air pressure and springs open on air loss. Handles hot or chilled water up to 60% glycol, or low-pressure steam to 35 psi. Needs 20 psig supply air to reach its rated close-off. Does not work with combustible gas.
Key Features
- Cv: 0.4
- Close-off: 90 psi at 20 psig supply; not rated at 15 psig
- Actuator: MK-2690, 6 sq. in.
Product Specifications
| Manufacturer | Schneider Electric |
|---|---|
| Model | VK7211203401 (VK-7211-203-4-01) |
| Series | VB-7000 bronze globe valve with MK pneumatic actuator |
| Body | 2-way, stem up open (normally open), straightway |
| Size | 1/2 in. (15 mm) |
| Connection | union straightway NPT |
| Cv | 0.4 |
| Service | Hot water, chilled water (up to 60% glycol), low-pressure steam; not for combustible gas |
| Fluid temperature | 20 to 281 deg F (-7 to 138 deg C) |
| Steam | saturated steam to 35 psi inlet |
| Body rating | Bronze, ANSI B16.15 Class 250: 400 psig up to 150 deg F, 321 psig at 281 deg F |
| Trim | brass, soft seat |
| Seat leakage | ANSI Class V up to 35 psi close-off, Class IV above |
| Flow characteristic | Modified equal percentage |
| Max operating differential | 87 psi (water) |
| Actuator | MK-2690 pneumatic, 6 sq. in. effective area, spring return |
| Spring range | 8 to 13 psig (55 to 90 kPa) |
| Close-off | 90 psi at 20 psig supply; not rated at 15 psig |
| Positive positioner | Not included |