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Combustion 911
Supplying and Serving the Combustion Industry
an Olsträd Engineering Company

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Double Solenoid Valve for Gas VCSDouble Solenoid Valve for Gas VCS

  • Safety shut-off for gaseous fuels, a further development of the solenoid valves for gas VG and VS
  • Suitable for a max. inlet pressure of 500 mbar (500 hPa/7 psig)
  • Easy installation into a system
  • Compact design saves space
  • No extra valve required owing to integrated flow adjustment
  • Check indication by blue LED
  • Position indicator with integral visual indicator
  • Suitable for high-duty cycling
  • Higher flow rates with the same nominal size
  • FM, CSA, UL and AGA approved (230 V AC, 120 V AC, 24 V DC)
  • Part of the Valvario series

Description

Solenoid valves for gas VAS and double solenoid valves VCS are designed for safeguarding and controlling the air and gas supply to gas burners and gas appliances. For use in gas control and safety systems in all sectors of the iron, steel, glass, and ceramics industries, also in commercial heat generation, such as the packaging, paper, and food industries.

Ordering Information

VCS valves are not available for order online. For all VCS models and configurations Contact Combustion 911

Accessories

Model and Description Price Cart
VAS ACC 1
Test Point, ¼″ NPT
PC Board
PC Board, Rectifier MB7 and VAS 6-8..W,Q /B; 120VAC, 230VAC

Applications

Click on images for close-up view.

Solenoid Valve for Gas VAS application Solenoid valve for gas VAS 1 – 3
Double solenoid valve VCS 1 – 3


Threaded flange for pipe connections from DN 10 to 65, flanged connection for sizes 2 and 3 for pipe connections DN 40 and 50. Modularly configurable with:
   – Damping unit
   – Position indicator
   – Plug (with or without socket)
   – Pressure test points
   – Pressure switch DG..VCT for inlet and/or outlet pressure
   – Tightness control TC
   – Bypass/pilot gas valve
   – Attachment block for the connection of a pressure gauge, for example.
Solenoid Valve for Gas VAS application Double solenoid valve VCS with damping unit

VCS..NL
1st valve: quick opening, quick closing, with flow adjustment
2nd valve: slow opening, quick closing
Solenoid Valve for Gas VAS application Solenoid valve for gas VAS 6 – 9
Double solenoid valve VCS 6 – 9


Gas solenoid valve and double solenoid valve with flanged connection (ISO or ANSI) for pipe connections from DN 65 to 125. Modularly configurable with:
   – Damping unit for VAS/VCS 6 – 8
   – Position indicator
   – Plug
   – Plug with socket
VCS 6 – 9 with two threaded connections for:
   – Screw plugs
   – Pressure test points
   – Pressure switch DG..VCT for inlet/interspace pressure
   – Tightness control TC
Solenoid Valve for Gas VAS application Solenoid valve for gas VAS 6 – 9
Double solenoid valve VCS 6 – 9 with connection for adapter plates


Gas solenoid valve and double solenoid valve with flanged connection (ISO or ANSI) for pipe connections from DN 65 to 125. Modularly configurable with:
   – Damping unit for VAS/VCS 6–8
   – Position indicator
   – Plug
   – Plug with socket

With adapter plates, expandable with:
   – Pressure switch DG..VCT

VAS 6 – 9: for inlet/outlet pressure
VCS 6 – 9: for interspace/outlet pressure
   – Pressure test points
   – Screw plug
   – Bypass or pilot gas valve VAS

VCS 6 – 9
With two threaded connections for:
   – Screw plugs
   – Pressure test points
   – Pressure switch DG..VCT for inlet/interspace pressure
   – Tightness control TC
Expandable with relief line adapter (1½ NPT, Rp 1) for relief line.
Solenoid Valve for Gas VAS application Double solenoid valve with tightness control

VCS..F..N: quick opening, quick closing valves, tightness control TC 116V.

Specifications

General Specifications
Types of gas: Natural gas, LPG (gaseous), biologically produced methane (max. 0.1 %-by-vol. H2S) or air; other gases on request. The gas must be dry in all temperature conditions and must not condense.
Maximum inlet pressure pe: 500 mbar (500 hPa/7 psig).
Non operational pressure: FM approved (230 V AC, 120 V AC, 24 V DC): 700 mbar (700 hPa/10 psig)
CSA approved (230 V AC, 120 V AC, 24 V DC): 350 mbar (350 hPa/5 psig)
Adjustment of the start gas rate: 0 to 70%
Flow adjustment limits the maximum flow volume between 20 and 100%. On VAS 1 – 3, the setting can be monitored on an indicator.
Opening times: VAS../N quick opening: ≤ 1 s
VAS../L slow opening: up to 30 s
Closing time: VAS../N, VAS../L quick closing: < 1 s.
Ambient temperature: -20 to +60°C (-4 to +140°F), no condensation permitted
Storage temperature: -20 to +40 °C (-4 to +104 °F), no condensation permitted
Safety valve: Class A Group 2 pursuant to EN 13611 and EN 161, Factory Mutual (FM) Research Class (230 V AC, 120 V AC, 24 V DC): 7410 and 7411, ANSI Z21.21 and CSA 6.5, ANSI Z21.21 and CSA 6.5.
Mains voltage: 230 V AC, +10/-15%, 50/60 Hz;
200 V AC, +10/-15%, 50/60 Hz;
120 V AC, +10/-15%, 50/60 Hz;
100 V AC, +10/-15%, 50/60 Hz;
24 V DC, ±20 %;
VAS/VCS 9: 120 – 230 V~, +10/-15 %, 50/60 Hz.
Cable gland: M20 x 1.5
Electrical connection: max. 2.5 mm2 (AWG 12) or plug with socket to EN 175301-803
Power consumption:
Type 24 V DC (W) 100 V AC (W) 120 V AC (W) 200 V AC (W) 230 V AC (W)
VAS 1 29 33 30 33 30
VAS 2 46 53 54 54 53
VAS 3 46 53 54 54 53
VAS 6 70 - 69 - 63
VAS 7 75 - 90 - 86
VAS 8 99 - 117 - 113
VAS 9 - - 200 (15*) - 200 (15*)
VCS 1 58 66 60 66 60
VCS 2 92 106 108 108 106
VCS 3 92 106 108 108 106
VCS 6 140 - 126 - 126
VCS 7 150 - 180 - 166
VCS 8 198 - 264 - 226
VCS 9 - - 400 (30*) - 400 (30*)

*After opening
Enclosure: IP 65
Duty cycle: 100%
Power factor of the solenoid coil: cos φ = 1.
Switching frequency: VAS..N: Arbitrary,
VAS..L: There must be a period of 20 seconds between switching off and on again so that the damping is fully effective.
Valve housing: Aluminium,
Valve seal: NBR
Connection flanges: VAS/VCS 1-3 with internal thread: NPT pursuant to ANSI/ASME
VAS/VCS 6-9 with ANSI flange pursuant to ASA.
Position indicator contact rating:
Type Voltage Min. current (resistive load) Max. current (resistive load)
VAS..S, VCS..S 12 – 250 V AC, 50/60 Hz 100 mA 3 A
VAS..G, VCS..G 12 – 125 V AC, 50/60 Hz 2 mA 0.1 A
Position indicator switching frequency: max. 5× per minute.
Switching Cycles:
Switching Current (A) Switching cycles*
cos φ = 1 cos φ = 0.6
0.1 500,000 500,000
0.5 300,000 250,000
1 200,000 100,000
3 100,000 -

* Limited to max. 200,000 cycles for heating systems.
VAS/VCS 9: Switching frequency: max. 1× per minute.
Max. temperature of solenoid coil: +20°C (+68°F) above ambient temperature.
Current consumption at 20°C (68°F): Pick-up current: 1.8 A; Holding current: 0.3 A.

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