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VDK 200 A S06 Dungs: Control de Estanqueidad

Dungs

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Descripción

VDK 200 A S06 Dungs: Control de Estanqueidad is a valve proving system for safety shutoff valves. It verifies that both safety shutoff valves in a gas train are fully closed before a system start-up or after system shutdown when wired and interlocked to a suitable flame safeguard control. The VDK will halt the start-up sequence and prevent ignition when the VDK detects an open automatic shutoffn valve or valve leakage exceeding the detection limit (see page 5 for detectionlimits).

  1. Max. test volume 0.7 ft3
  2. Release Signal Timing:(approx. 26 s for RUN and 32 s for ALARM)
  3. “RUN” or “ALARM” indicated by a light.
  4. Electrical connection at screw terminals via 1/2“ NPT conduit connection.
  5. Detectable leakage rate: < 1.76 ft3/hr
  6. Field adjustable needle valve to accommodate various pipe volumes.

VDK 200 A S06 Valve proving system for automatic safety shutoff valves.

Aplicaciones VDK 200 A S06 Dungs: Control de Estanqueidad

  1. The VDK is recommended for industrial and commercial heating applications. Some authorities having jurisdiction accept the VDK in lieu of “proof of closure” when integrated with the preignition system and/or  lieu of a vent valve when it checks the valves at start up and shut down. It can also be used as a valve seat tightness check when used within its capabilities.
  2. – The VDK is suitable for dry natural gas, propane, butane, air and inert gases. Not suitable for hydrogen gas. A “dry” gas has a dew point lower than +15 °F and its relative humidity is less than 60 %.

Ficha técnica– Click aquí

Instrucciones de operación y montaje– Click aquí

Productos Relacionados – ● VPS S06 Dungs: Control De Estanqueidad ● Señalizador De Posición De Válvulas Dungs- Serie K01/1 ● VPS 504 Dungs: Control De Estanqueidad ● Válvula De Prueba Para Manometros – Dungs

VDK 200 A S06 Dungs: Control de Estanqueidad de venta aquí, contacta a alguno de nuestros asesores dentro del chat o marca al número de sucursal más cercano a ti, será un placer atenderte.

📋 Especificaciones básicas

Pipe size / Thread 1/4“ NPT Connections
Max. operating pressure 5 PSI (360 mbar)
Max body pressure 15 PSI (1000 mbar)
Electrical rating 120 VAC / 60 Hz (50 Hz versions not available)
Switch output ratings Run T13:   4 A res, 2 A FLA @120 VAC 60 Hz Alarm T14:   1 A res, 0.5 A FLA @120 VAC 60 Hz
Power ratings (consumption) During valve proving period: 80 VA
In operation (after valve proving sequence is complete): 20 VA
Enclosure rating NEMA Type 12
Electrical connection Screw terminals with 1/2“ NPT conduit connection standard on 216352 Optional Brad Harrison connector available on 266903
Operating time 100 % duty cycle, max. 15 test cycles/hr
Ambient operating temperature +14 °F to +140 °F   (-10 °C to +60 °C)
Materials in contact with gas Housing: Aluminium
Sealings on valve seat and pump diaphragm: NBR-based rubber
Installation position Upright to horizontal, not inverted (cover facing downwards)
Test volume Volume between upstream and downstream valves (0.7 ft3 max).
Release Signal Timing 32 s ± 3 s for ALARM; 26 s maximum for RUN
Detectable leakage rate (each valve) < 1.76 ft3/hr
Detectable gas leakage through both 0.2 to 1.0 ft3/hr for worst case scenario: both valves leak 0.88 ft3/hr) valves
Maximum backpressure on upstream 14 – 17 in. W.C. (35 – 40 mbar) above inlet pressure. valve during valve proving
Piping Schedule 40 piping or steel tubing only
Fuse (one installed and one replacement under cover) T 7A 250 VAC

☑ Aplicaciónes

● The VDK is recommended for industrial and commercial heating applications. Some authorities having jurisdiction accept the VDK in lieu of “proof of closure” when integrated with the preignition system and/or in lieu of a vent valve when it checks the valves at start up and shut down. It can also be used as a valve seat tightness check when used within its capabilities.

● The VDK is suitable for dry natural gas, propane, butane, air and inert gases. Not suitable for hydrogen gas. A “dry” gas has a dew point lower than +15 °F and its relative humidity is less than 60 %.

📑 Ficha técnica

226355.pdf (589 KB)

👷 Instrucciones de operación y montaje.

261459.pdf (1,008 KB)

✔️ Certificación

CSA-Valve-Proving-System.pdf (62 KB)
UL-Valve-Proving-System-UR-Recognized.pdf (42 KB)
FM-Valve-Proving-System.pdf (254 KB)
EAC-Valve-Proving-Systems.pdf (163 KB)

🎥 Video

 

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