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HOME ⊙ Other Brands ⊙ Original inventor of M ü ller Co ax AG coaxial valve
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Original inventor of M ü ller Co ax AG coaxial valve

F: | Au:FAN | DA:2026-04-13 | 589 Br: | 🔊 点击朗读正文 ❚❚ ▶ | Share:

Application Fields and Selection Guidelines

6.1 Typical Applications

Oil and gas: Combustible gas cut-off (DVGW certification), emergency shutdown, venting.

Chemical and process industries: corrosive media, high viscosity polymers, slurries containing solid particles.

Power generation: boiler soot blowing, coal gasification filter blowback, cooling water control.

Mechanical manufacturing: machine tool coolant, lubrication system, hydraulic fixtures.

Vacuum technology: vacuum packaging, vacuum handling, coating equipment.

Adhesive and Coating: Glue laminated wood, automotive coating.

6.2 Selection Points

Medium characteristics: gas, liquid, high viscosity, containing particles? Do you need bellows sealing (to prevent leakage)?

Pressure and vacuum: maximum working pressure, do you need bidirectional flow?

Path and flow rate: calculated based on Kv value and allowable pressure drop.

Switching frequency: For high frequencies (>1 Hz), direct acting or fast pilot type should be selected.

Environment and medium temperature: Choose appropriate sealing materials and valve body materials.

Explosion proof requirements: Is ATEX Zone 2 or Zone 1 required? Do we need DVGW gas certification?

Control mode: direct electromagnet (24 V DC/230 V AC) or pneumatic pilot? Do we need proportional control?

Electrical connections: DIN EN 175301-803 A-type/B-type plugs, M12 connectors, junction boxes.


Quality and Certification

M ü ller Co ax strictly implements the ISO 9001:2008 quality management system, and all valves undergo final testing on a dedicated testing bench. The product complies with the European Pressure Equipment Directive (PED 97/23/EG). The main certifications include:

DVGW: German Gas and Water Industry Association, used for gas pipelines.

ATEX: Explosion proof Directive, applicable to potentially explosive environments (gases and dust).

T Ü V: German Technical Supervision Association, used for liquid fuel safety.

SIL: Safety integrity level assessment can be provided upon request.

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