Normally Closed Direct Acting Corrosive Liquid Solenoid Valves

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.

Models

Parts and Accessories

Coil Options

Notes

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)
Model No.	min/psi	max/psi	Body Material	Pipe Size N.P.T	CV Flow Factor #	GPM @ 60 psi (cv # x √ 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 [email protected] 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

Model No.

All

Resource No. / Description

I171