• Equipment operates independent of residual pressure in the range of the permissible operating range.
• Test volume ≤ 4 l
• Setting work not necessary on site
• Short test period: min. 10 s, max. 26 s
• Tightness or leaks are displayed by an LED
• External fault display possible for series 02, series 04 and S05
• Group fault alarm optional for S01 (SSM)
• Suitable for TRD systems
• Electrical connection possible by plug connection S01, 02, 03. No rewiring is required for contact allocation as per DIN 4791.
• S04 and S05: electrical connection at screw terminals via PG 13.5 cable entry

Application

Valve proving system for DUNGS single valves, DMV double solenoid valve and GasMultiBloc MB. The VPS 504 can also be used for monitoring the DUNGS solenoid valves up to DN 80, with and without bypass connection. 24 VDC design for gas motors. Suitable for gases of gas families 1, 2, 3 and other neutral gaseous media.

Approvals

EC type test approval as per EC Gas Appliance Directive:

• VPS 504: CE-0085 AP 0168
• EC type test approval as per EC Pressure

Equipment Directive:

• VPS 504: CE0036

Approvals in other important gas consuming countries. Special design for the North
American market with UL , FM and CSA registratio.