25A-VHK Series Finger / Hand Valve – Battery-Compatible Poppet Valve

Caution
Product Description
- On-Off Valves – Solenoid Actuated/Manually Operated
- Part number including of MS6-EM (manually operated) and MS6-EE (solenoid actuated)
- Housing material: Die-cast aluminum.
- Pneumatic connection port1, 2: G¼, G3/8, G½, G¾
- Pneumatic connection 3: G½
- Flow rate: 2,600 … 8,700 l/min
- Solenoid actuator can be repositioned by 180° (For MS6-EE type)
- Corrosion resistance class 2 according to Festo standard 940 070.
- Optional pressure sensor with display
- Manually operated and solenoid actuated on-off valves for pressurizing and venting pneumatic installations.
Ball valve, QH Series
MS4/MS6-EE
Features

Specifications
| Size | MS4 | MS6 | |
|---|---|---|---|
| Pneumatic connection 1, 2 Female thread | Female thread | G 1/8 or G 1/4 | G 1/4, G 3/8 or G 1/2 |
| Connecting plate AG... | G 1/8, G 1/4 or G3/8 | G 1/4, G 3/8, G 1/2 or G 3/4 | |
| Connecting plate AQ... | NPT 1/8, NPT 1/4 or NPT 3/8 | NPT 1/4, NPT 3/8, NPT 1/2 or NPT 3/4 | |
| Pneumatic connection 3 | G 1/4 | G 1/2 | |
| Design | Piston spool valve | ||
| Type of mounting | Via accessories | ||
| In-line installation | |||
| Assembly position | Any | ||
| Pressure indicator | Via pressure sensor for displaying output pressure via LCD display and electrical output | ||
| Via pressure sensor for displaying output pressure via operational status indicator and electrical output | |||
| Via pressure gauge for displaying output pressure | |||
| Via pressure gauge with red/green scale for displaying output pressure | |||
| G 1/4 prepared | |||
| G 1/8 prepared | - | ||
| Valve function | 3/2-way valve, single solenoid, closed | ||
| Exhaust function | Without flow control | ||
| Manual override | V24/10V24/10V24P/ V110/V230 | Non-detenting | |
| V24/10V24P/V110/ V230 | Detenting | ||
| 10V24C/10V24D | None | ||
| Type of reset | Mechanical spring | ||
| Switching position display | Via accessories | ||
| Pilot control mode | Piloted | ||
| Pilot air supply | Internal | ||
| Direction of flow | Non-reversible | ||
| Coil characteristics | V24 | 24 V DC: 1.5 W; perm. voltage fluctuations -25%/+10% | |
| 10V24/10V24C/ 10V24D/10V24P | 24 V DC: 1.8 W; perm. voltage fluctuations -15%/+10% | ||
| V110 | 110 V AC: 50/60 Hz; pick-up power 3.0 VA; holding power 2.4 VA; perm. voltage fluctuations _10% | ||
| V230 | 230 V AC: 50/60 Hz; pick-up power 3.0 VA; holding power 2.4 VA; perm. voltage fluctuations -14%/+10% | ||
| Electrical connection | V24/10V24/ 10V24C/V110/ V230 | Plug, square design to EN 175301-803, type C | |
| 10V24D/10V24P | M12x1 to ISO 20401 suitable to EN 61076-2-101 | ||
| Protection class for solenoid coil | IP65 | ||
| Duty cycle [%] | 100 | ||
Flow rate characteristic values
| Size | MS4 | MS6 | ||||
|---|---|---|---|---|---|---|
| Pneumatic connection | G 1/8 | G 1/4 | G 1/4 | G 3/8 | G 1/2 | |
| Standard nominal flow rate qnN [l/min] | ||||||
| In main flow direction 1 > 2 | 1,000 | 2,000 | 2,600 | 5,500 | 7,000 | |
| In relief direction 2 > 3 | 1,600 | 1,600 | 7,000 | 6,200 | 5,500 | |
| C value [l/s*min] | ||||||
| In main flow direction 1 > 2 | 4.5 | 9.5 | 11.0 | 22.0 | 29.0 | |
| b value | ||||||
| In main flow direction 1 > 2 | 0.5 | 0.44 | 0.5 | 0.5 | 0.4 | |
MS4/MS6-EM1
Features

Specifications
| Size | MS4 | MS6 | |
|---|---|---|---|
| Pneumatic connection 1, 2 | Female thread | G 1/8 or G 1/4 | G 1/4, G 3/8 or G 1/2 |
| Connecting plate AG... | G 1/8, G 1/4 or G3/8 | G 1/4, G 3/8, G 1/2 or G 3/4 | |
| Connecting plate AQ... | NPT 1/8, NPT 1/4 or NPT 3/8 | NPT 1/4, NPT 3/8, NPT 1/2 or NPT 3/4 | |
| Pneumatic connection 3 | G 1/4 | G 1/2 | |
| Design | Rotary slide valve | ||
| Type of mounting | Via accessories | ||
| In-line installation | |||
| Assembly position | Any | ||
| Pressure indicator | Via pressure sensor for displaying output pressure via LCD display and electrical output | ||
| Via pressure sensor for displaying output pressure via operational status indicator and electrical output | |||
| Via pressure gauge for displaying output pressure | |||
| Via pressure gauge with red/green scale for displaying output pressure | |||
| G 1/4 prepared | |||
| G 1/8 prepared | - | ||
| Valve function | 3/2-way valve, bistable | ||
| Exhaust function | No flow control | ||
| Switching position display | Knob actuator direction = flow direction | ||
| Pilot control mode | Direct | ||
| Direction of flow | Non-reversible | ||
Flow rate characteristic values
| Size | MS4 | MS6 | |||
|---|---|---|---|---|---|
| Pneumatic connection | G 1/8 | G 1/4 | G 1/4 | G 3/8 | G 1/2 |
| Standard nominal flow rate qnN [l/min] | |||||
| In main flow direction 1 > 2 | 1,200 | 2,200 | 3,000 | 5,500 | 8,700 |
| In relief direction 2 > 3 | 1,900 | 1,700 | 6,800 | 6,600 | 6,200 |
| C value [l/s*min] | |||||
| In main flow direction 1 > 2 | 4.6 | 9.0 | 10.7 | 21.2 | 30.8 |
| b value | |||||
| In main flow direction 1 > 2 | 0.51 | 0.39 | 0.56 | 0.49 | 0.57 |