MV 502 230 Vac, 1/4 tube screw union
MV 502 (218971)
Single-stage solenoid valve, normally closed, fast opening, fast closing
- Rp ¼” Pipe Coupling
- 230 Vac (+10% / -15%), 50-60 Hz, 5 VA
- IP 54
- Formerly: 218-971
DN 8 Rp 1/4 thread connection as per ISO 7-1 or GE 8 - PL/R 1/4 tube screw union for 8 dia. The flow direction is marked by an arrow on the housing 0.5 bar (50 kPa) < 1 s < 1 s Housing: brass, steel, NBR, POM Seals: NBR basis 50-60 Hz, 230 V - 240 V AC - 15% +10% Other voltages on request 100 % ED IP 54 as per IEC 529 (EN 60 529) Solenoid with fixed connection cable (1300 x 3 x 0.75 mm) or plug connection as per DIN EN 175 301-803 Max. 1000/h Sieve installed, mesh width 1 mm -15°C to +60°C Solenoid from vertically upright to horizontally lying
Description
The DUNGS MVD and the MVDLE electrically operated, normally closed, automatic shutoff
valves for gas burning equipment.
Application
The DUNGS MVD and MVDLE are recommended for industrial and commercial heating
applications that require one or two automatic shutoff valves in series. The MVD and MVDLE
safety shutoff valves are suitable for natural gas, propane, butane, air and other inert gases.
Specifications
Pipe Thread (NPT)
½”
¾”
1”
1-1/4”
1-1/2”
2”
Max. Operating Pressure
MVD – 7 PSI (500 mbar) [5 PSI @ CSA]
MVDLE – 3 PSI (200 mbar) [2 PSI @ CSA]
Electrical Ratings (+10% / -15%)
110 – 120 Vac 50-60 Hz
220 – 240 Vac 50-60 Hz
24 Vdc
Enclosure Rating
IP 54 (NEMA Type 12)
Electrical Connection
Screw Terminals with SO cord connection
Operating Time
100% Duty Cycle
Ambient Temperature Rating
+5 F to +140 F (-15 C to +60 C)
Aluminum body; Inlet side taps (G1/4” ); Inlet gas strainer installed in the housing upstream valve (23 mesh screen); MVD fast opening & closing (<1 s), MVDLE - slow opening 20s MAX @ 70F & fast closing (<1 s); both models feature a manually adjustable flow rate (<10-100%); 100% duty cycle; Refer to Flow Curves for Body Selection. European code requirements for position indication vary. The DUNGS K01 (266893) switch meets EN1531 and EN 161 code requirements for closed position signal contact.