VH4H7LEF2
Details
Details
VH4H7LEF2 High Performance Butterfly Valve and Actuator, 3 in. 3-Way, Modulating
Two valves on a tee act as one 3-way assembly, a master (A port) and a drone.
Drives to its fail position on power loss using stored energy; closed by default, field adjustable.
Accepts a 0-10V or 2-10V control signal.
Needs 24 VAC/DC power.
Key Features
- Cv 228
- 150 psi close-off
Product Specifications
| Manufacturer | Honeywell |
|---|---|
| Model | VH4H7LEF2 |
| Product type | High performance butterfly valve with factory-mounted actuator |
| Size | 3 in. (DN80) |
| Connection | Full lug |
| Flange rating | ASME/ANSI Class 150 |
| Pattern | 3-way (two valves, master and drone) |
| 3-way configuration | Mixing (C-D-M) |
| Cv (90 deg open) | 228 |
| Close-off | 150 psi |
| Flow characteristic | Modified linear, unidirectional |
| Body | Carbon steel, full lug |
| Disk | 316 stainless steel |
| Shaft | 17-4 PH stainless steel |
| Seat | RTFE |
| Gland seal | TFE |
| Bearings | Glass backed PTFE |
| Body pressure rating | 285 psi at 100 deg F (1965 kPa at 38 deg C) |
| Medium | Chilled or hot water up to 60% glycol; steam up to 50 psi |
| Medium temperature | -22 to 400 deg F (-30 to 204 deg C) |
| Maximum velocity | 32 fps (9.8 m/s) |
| Leakage | 0% up to rated close-off |
| Actuator | MBE7LRF2/U |
| Torque | 360 lb-in |
| Fail action | Electronic fail-safe (default fail closed, field adjustable) |
| Control signal | Analog modulating (0)2-10 VDC |
| Supply voltage | 24 VAC/VDC |
| Feedback and switches | Analog feedback |
| Enclosure | NEMA 2 |
| Actuator approvals | cULus, CE |
| Accessories | MB-NSR-SWITCH aux switch; MB-NSR-N4HEAT / MB-SR-N4HEAT NEMA 4X heater kits (ordered with the valve, factory installed) |
| Honeywell form | 31-00191EF-02; 31-00284EF |