032F6225 032F803432 EVRA 25 s Type Servo-Piston Operated Flange
Solenoid Valve For Ammonia
Product overview of 032F6225 032F803432 EVRA 25 s Type Servo-Piston
Operated Flange Solenoid Valve For Ammonia:
The EVRA 25 s 032F6225 ammonia solenoid valve is used for automated
opening and closing in ammonia network in both liquid and
gaseous phases. The EVRA valve is sold dismembered with body +
flange set + coil supplied. In addition to this convenience,
repairs are sold
separately. Thus, the valve can be repaired in the pipeline without
removal, giving more agility and reliability to the process.
Main dimension of EVRA 25 s Type Flange Ammonia Solenoid Valve:
Technical parameters of EVRA 25 s Type Flange Solenoid Valve For
Ammonia:
| Type | Opening differential pressure with standard coil ( ∆p bar) | Temperature of medium (°C) | Max. working pressure (bar) | kv-value (m³/h) |
| Min. | Max. (= MOPD) liquid²) |
| 10W AC | 12W AC | 20W DC |
| EVRA 3 | 0.00 | 21 | 25 | 14 | -40 to 105 | 42 | 0.23 |
| EVRA 10 | 0.05 | 21 | 25 | 18 | -40 to 105 | 42 | 1.5 |
| EVRAT10 | 0.00 | 14 | 21 | 16 | -40 to 105 | 42 | 1.5 |
| EVRA 15 | 0.05 | 21 | 25 | 18 | -40 to 105 | 42 | 2.7 |
| EVRAT15 | 0.00 | 14 | 21 | 16 | -40 to 105 | 42 | 2.7 |
| EVRA 20 AC | 0.05 | 21 | 25 | 13 | -40 to 105 | 42 | 4.5 |
| EVRA 20 DC | 0.05 | 19 | 21 | 16 | -40 to 105 | 42 | 4.5 |
| EVRAT20 | 0.00 | 14 | 21 | 13 | -40 to 105 | 42 | 4.5 |
| EVRA 25 | 0.20 | 21 | 25 | 14 | -40 to 105 | 42 | 10.0 |
| EVRA 32 | 0.20 | 21 | 25 | 14 | -40 to 105 | 42 | 16.0 |
| EVRA 40 | 0.20 | 21 | 25 | 14 | -40 to 105 | 42 | 25.0 |
Details of 032F6225 032F803432 EVRA 25 s Type Refrigeration
Solenoid Valve:
Packing display of 032F6225 032F803432 EVRA 25 S Type Flange Valve:
Video display of 032F6225 032F803432 EVRA 25 s Type Ammonia Valve:
Instructions to the Welder
1. Always use TIG / Argon welding as the root run, to avoid slag
and debris entering the valve house.
2. Complete the welding process according to local legal
requirements.
3. Inspect the inside around the welding and remove all debris.
Instructions to the Installer
1. Clean the pipes and valve houses with dry air (no water, no
sandblasting).
2. Lubricate valve housing sealing surfaces (e.g. with refrigerant
oil).
3. Follow the valve installation instructions.
4. Pressure test the system with dry air or inert gas (no water).
Instructions to the Supervisor
1. Build up the system in sections. For example, have valve trains
or valve stations pre-manufactured before being shipped on site, or
make it in a separate clean workshop on site, where welding and
cleaning procedures can be easily controlled.
2. Evacuate the sections to verify that there is no water left in
the system.
3. Seal and pressurize finished sections slightly with inert gas.
4. Evacuate down to 5-10 mbar before charging refrigerant.
5. Run free and clean filters frequently for 24-48 hours.
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