DEMA’s direct acting valves for corrosive liquids are constructed from PVC, EPDM seal, have a 5/32” orifice size and a CV flow factor of .27. DEMA offers 3 different models. The 481P direct acting diaphragm valve designed for vacuum lines with corrosive liquids. It is designed for 1/8” pipe but can also be injector mounted by using Kit 24-50. The 481-2 is designed to be injector mounted and has dual inlets. It can be mounted on all DEMA B and C series injectors. The 482-2 is also a direct acting diaphragm used on vacuum lines with corrosive liquids but is adjustable and designed for 1/4” pipe.
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Normally Closed Direct Acting Corrosive Liquid Solenoid Valves
Features & Benefits
Models
Accessories
Resources
Model 481P
- Vacuum line mounted (1/8”)
- PVC construction
- EPDM seal
- Vacuum pressure
- 5/32” orifice size
- CV flow factor .27
- Optional kit for injector mounting
Model 482.2
- Vacuum line mounted (1/4”)
- PVC construction
- EPDM seal
- Vacuum pressure
- 5/32” orifice size
- CV flow factor .27
| Model No. | Pressure Differential | Body Material | Pipe Size N.P.T | CV Flow Factor # | GPM @ 60 psi (cv # x √ psi) | |
|---|---|---|---|---|---|---|
| min/psi | max/psi | |||||
| 481P | Vacuum | PVC | 1/8″ | .27 | 2.09 | |
| 482.2 | Vacuum | PVC | 1/4″ | .27 | 2.09 | |
* Shown above are the most common configurations. Many additional configurations are readily available, contact us at sales@demaeng.com or speak with your DEMA sales representative for more information.
Coil Options
Coil Options
- DEMA solenoid valves are available in many AC and DC voltage ratings and wiring options include a junction box, spade, conduit and din with voltage options of 12VDC, 24VDC, and 24, 120, 208, and 240VAC 50/60 cycle on most models.
Product
Normally Closed Direct Acting Corrosive Liquid Solenoid Valves
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Resource No. / Description