Solenoid valve world - Coaxial Valves

Valve / Product Type

Air Actuated

air actuated valves that utilise a compressed air supply to operate.

Coaxial

Solenoid

Valves controlled by electrical signal via a solenoid or electro magnet.

Port Size

Media

Body Material

Aluminium

Brass

Steel

Stainless Steel

Function

2/2 Normally Closed

2 ports (inlet/outlet) with 2 positions (Open/Closed) - valve stays closed (Failsafe) requires power to open

2/2 Normally Open

2 ports (inlet/outlet) with 2 positions (Open/Closed) - valve stays open (Failsafe) requires power to close

2/2 Double Acting

2 ports (inlet/outlet) with 2 positions (Open/Closed) - power or air one side to move - power or air opposite side to return.

3/2 Normally Closed

3 ports with 2 positions. Power off inlet closed, outlet open to exhaust - power on inlet open to outlet with exhaust closed.

3/2 Normally Open

3 ports 2 positions. Inlet open to outlet with exhaust closed - power on inlet closed with outlet open to exhaust.

3/2 Universal

3 ports, 2 positions flow can be in any direction. Can be piped as 3/2 normally closed flow into inlet, 3/2 normally open flow into exhaust, 3/2 diverting flow into outlet.

Pressure Maximum

Seals

EPDM

EPDM (Ethylene Propylene Diene Monomer) - known as Ethylene Propylene terpolymer, Buna-AP, Dutral, Polysar-EDM, Royalene, Vistalon, Keltan, Epcar, Nordel or Epsyn). Good for hot and drinking water, Steam, Freon refrigerant gas and Air -40°C to +120°C (+150°C steam) Poor resistance to oils + fuels

FKM (Viton)

FKM Fluoro elastomer (Fluorocarbon) Viton® Dupont registered, known as Tecnoflon, Fluorel, Dai-El. Good for hot water, acid, alkali, oils, hydrocarbons and salt solutions, many aggressive chemicals, diluted acids, weak alkali's, mineral oils, aliphatic and aromatic hydrocarbons, chlorinated hydrocarbons, sunlight and ozone. -26°C to +205°C. Poor resistance to Ketone's and Acetone.

NBR

NBR (Nitrile Buna Rubber) known as Nitrile Butadine, Buna-N, Hycar, Chemigum, Butakon, Breaon, Butacril, Paracil, Nipol, Perbunan, Krynac or Europrene-N. Good for Aliphatic Hydrocarbons, Petroleum, Fuels, Mineral Oil, Vegetable and Hydraulic Oil, Alcohol and many Acids. -35°C to +100°C. Poor for Ozone, Acetone, Methyl ethyl Ketone, Chlorinated Hydrocarbons, Ethers and Esters.

PTFE (Teflon)

PTFE (Polytetrafluoroethylene) also known as Teflon® Dupont registered. Excellent resistance to almost every fluid or gas. -200°C to +230°C

Approvals

ATEX Zone II GD

hazardous area classification indicating a potentially explosive atmosphere with gases and dust present, requiring specific equipment for safe operation.

IP65

Dust tight and protected against water jets

Orifice

Voltage

Options required

Bi-Directional Flow

Can control flow in both directions

Degreased

Oil and grease removed typically for oxygen or paint spray use.

Manifold

A group of multiple valves together on one manifold, simple layout streamline control and space saving.

Manual Override

A facility to manually move the valve into the fully actuated position via a button, lever or key.

Mounting Bracket

Valve has the facility to be supplied with a bracket for mounting and securing.

Mounting Holes

Supplied with additional threaded holes typically in the base, typically for securing to a baseplate.

Position Feedback - Closed

The valve is equipped with an additional volt free electrical switch that is triggered when the valve is mechanically closed.

Position Feedback - Open + Closed

The valve is equipped with two additional volt free electrical switches that are triggered when the valve is mechanically closed or open position.

Shading Ring - Silver

The copper shading ring in the solenoid tube has been replaced with silver. Typically used for RO water and aggressive media applications.

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Coaxial Valves

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