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Solenoid Valve for Gas VAS

Solenoid Valve for Gas VASKromschroder 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.

Features

Documentation for Solenoid Valve for Gas VAS

Documentation

View Blog Article regarding Kromschroder Product Labels and Type Codes FAQ: Kromschröder Product Labels and Type Codes (Blog Post)
View the Kromschroder Industrial Solenoid Valve VAS Brochure Industrial Solenoid Valve VAS Brochure
View the Kromschroder Industrial Solenoid Valve VAS Operating Instructions Industrial Solenoid Valve VAS and VCS Operating Instructions
View the Kromschroder Industrial Solenoid Valve VAS 6-9 and VCS 6-9 Operating Instructions Industrial Solenoid Valve VAS 6-9 and VCS 6-9 Operating Instructions
View the Kromschroder Industrial Solenoid Valve VAS Technical Information Industrial Solenoid Valve VAS Technical Information
 
Ordering information for Solenoid Valve for Gas VAS

Ordering Information (VAS 1, VAS 2, VAS 3)

Valvario Size 1 (VAS 1)

Model Valvario Size Connection Open/Close Speeds Visual Indicator Flow Direction Mains Voltage Price
(US List)
Order Now
VAS 1T10N/NQ 1 Flanged ⅜” NPT quick opening and closing No Either 120 V AC, 50/60 Hz $190
VAS 1T15N/NQ 1 Flanged ½” NPT quick opening and closing No Either 120 V AC, 50/60 Hz $190
VAS 1T20N/NQ 1 Flanged ¾” NPT quick opening and closing No Either 120 V AC, 50/60 Hz $225
VAS 1T25N/NQ 1 Flanged 1” NPT quick opening and closing No Either 120 V AC, 50/60 Hz $234
VAS 1T10N/LQ 1 Flanged ⅜” NPT slow opening, quick closing No Either 120 V AC, 50/60 Hz $242
VAS 1T15N/LQ 1 Flanged ½” NPT slow opening, quick closing No Either 120 V AC, 50/60 Hz $242
VAS 1T20N/LQ 1 Flanged ¾” NPT slow opening, quick closing No Either 120 V AC, 50/60 Hz $278
VAS 1T25N/LQ 1 Flanged 1” NPT slow opening, quick closing No Either 120 V AC, 50/60 Hz $287
VAS 1T10N/NQSL 1 Flanged ⅜” NPT quick opening and closing Yes Left 120 V AC, 50/60 Hz $319
VAS 1T15N/NQSL 1 Flanged ½” NPT quick opening and closing Yes Left 120 V AC, 50/60 Hz $319
VAS 1T20N/NQSL 1 Flanged ¾” NPT quick opening and closing Yes Left 120 V AC, 50/60 Hz $343
VAS 1T25N/NQSL 1 Flanged 1” NPT quick opening and closing Yes Left 120 V AC, 50/60 Hz $363
VAS 1T10N/LQSL 1 Flanged ⅜” NPT slow opening, quick closing Yes Left 120 V AC, 50/60 Hz $371
VAS 1T15N/LQSL 1 Flanged ½” NPT slow opening, quick closing Yes Left 120 V AC, 50/60 Hz $371
VAS 1T20N/LQSL 1 Flanged ¾” NPT slow opening, quick closing Yes Left 120 V AC, 50/60 Hz $406
VAS 1T25N/LQSL 1 Flanged 1” NPT slow opening, quick closing Yes Left 120 V AC, 50/60 Hz $416
VAS 1T10N/NQSR 1 Flanged ⅜” NPT quick opening and closing Yes Right 120 V AC, 50/60 Hz $319
VAS 1T15N/NQSR 1 Flanged ½” NPT quick opening and closing Yes Right 120 V AC, 50/60 Hz $319
VAS 1T20N/NQSR 1 Flanged ¾” NPT quick opening and closing Yes Right 120 V AC, 50/60 Hz $343
VAS 1T25N/NQSR 1 Flanged 1” NPT quick opening and closing Yes Right 120 V AC, 50/60 Hz $363
VAS 1T10N/LQSR 1 Flanged ⅜” NPT slow opening, quick closing Yes Right 120 V AC, 50/60 Hz $371
VAS 1T15N/LQSR 1 Flanged ½” NPT slow opening, quick closing Yes Right 120 V AC, 50/60 Hz $371
VAS 1T20N/LQSR 1 Flanged ¾” NPT slow opening, quick closing Yes Right 120 V AC, 50/60 Hz $406
VAS 1T25N/LQSR 1 Flanged 1” NPT slow opening, quick closing Yes Right 120 V AC, 50/60 Hz $416
For all other models and configurations Contact Combustion 911

Valvario Size 2 (VAS 2)

Model Valvario Size Connection Open/Close Speeds Visual Indicator Flow Direction Mains Voltage Price
(US List)
Order Now
VAS 2T25N/NQ 2 Flanged 1” NPT quick opening and closing No Either 120 V AC, 50/60 Hz $309
VAS 2T32N/NQ 2 Flanged 1¼” NPT quick opening and closing No Either 120 V AC, 50/60 Hz $309
VAS 2T40N/NQ 2 Flanged 1½” NPT quick opening and closing No Either 120 V AC, 50/60 Hz $318
VAS 2T50N/NQ 2 Flanged 2” NPT quick opening and closing No Either 120 V AC, 50/60 Hz $318
VAS 2T25N/LQ 2 Flanged 1” NPT slow opening, quick closing No Either 120 V AC, 50/60 Hz $362
VAS 2T32N/LQ 2 Flanged 1¼” NPT slow opening, quick closing No Either 120 V AC, 50/60 Hz $362
VAS 2T40N/LQ 2 Flanged 1½” NPT slow opening, quick closing No Either 120 V AC, 50/60 Hz $371
VAS 2T50N/LQ 2 Flanged 2” NPT slow opening, quick closing No Either 120 V AC, 50/60 Hz $371
VAS 2T25N/NQSL 2 Flanged 1” NPT quick opening and closing Yes Left 120 V AC, 50/60 Hz $461
VAS 2T32N/NQSL 2 Flanged 1¼” NPT quick opening and closing Yes Left 120 V AC, 50/60 Hz $461
VAS 2T40N/NQSL 2 Flanged 1½” NPT quick opening and closing Yes Left 120 V AC, 50/60 Hz $470
VAS 2T50N/NQSL 2 Flanged 2” NPT quick opening and closing Yes Left 120 V AC, 50/60 Hz $470
VAS 2T25N/LQSL 2 Flanged 1” NPT slow opening, quick closing Yes Left 120 V AC, 50/60 Hz $514
VAS 2T32N/LQSL 2 Flanged 1¼” NPT slow opening, quick closing Yes Left 120 V AC, 50/60 Hz $514
VAS 2T40N/LQSL 2 Flanged 1½” NPT slow opening, quick closing Yes Left 120 V AC, 50/60 Hz $523
VAS 2T50N/LQSL 2 Flanged 2” NPT slow opening, quick closing Yes Left 120 V AC, 50/60 Hz $523
VAS 2T25N/NQSR 2 Flanged 1” NPT quick opening and closing Yes Right 120 V AC, 50/60 Hz $461
VAS 2T32N/NQSR 2 Flanged 1¼” NPT quick opening and closing Yes Right 120 V AC, 50/60 Hz $461
VAS 2T40N/NQSR 2 Flanged 1½” NPT quick opening and closing Yes Right 120 V AC, 50/60 Hz $470
VAS 2T50N/NQSR 2 Flanged 2” NPT quick opening and closing Yes Right 120 V AC, 50/60 Hz $470
VAS 2T25N/LQSR 2 Flanged 1” NPT slow opening, quick closing Yes Right 120 V AC, 50/60 Hz $514
VAS 2T32N/LQSR 2 Flanged 1¼” NPT slow opening, quick closing Yes Right 120 V AC, 50/60 Hz $514
VAS 2T40N/LQSR 2 Flanged 1½” NPT slow opening, quick closing Yes Right 120 V AC, 50/60 Hz $523
VAS 2T50N/LQSR 2 Flanged 2” NPT slow opening, quick closing Yes Right 120 V AC, 50/60 Hz $523
For all other models and configurations Contact Combustion 911

Valvario Size 3 (VAS 3)

Model Valvario Size Connection Open/Close Speeds Visual Indicator Flow Direction Mains Voltage Price
(US List)
Order Now
VAS 3T40N/NQ 3 Flanged 1½” NPT quick opening and closing No Either 120 V AC, 50/60 Hz $429
VAS 3T50N/NQ 3 Flanged 2” NPT quick opening and closing No Either 120 V AC, 50/60 Hz $429
VAS 3T65N/NQ 3 Flanged 2½” NPT quick opening and closing No Either 120 V AC, 50/60 Hz $457
VAS 3T40N/LQ 3 Flanged 1½” NPT slow opening, quick closing No Either 120 V AC, 50/60 Hz $481
VAS 3T50N/LQ 3 Flanged 2” NPT slow opening, quick closing No Either 120 V AC, 50/60 Hz $481
VAS 3T65N/LQ 3 Flanged 2½” NPT slow opening, quick closing No Either 120 V AC, 50/60 Hz $510
VAS 3T40N/NQSL 3 Flanged 1½” NPT quick opening and closing Yes Left 120 V AC, 50/60 Hz $581
VAS 3T50N/NQSL 3 Flanged 2” NPT quick opening and closing Yes Left 120 V AC, 50/60 Hz $581
VAS 3T65N/NQSL 3 Flanged 2½” NPT quick opening and closing Yes Left 120 V AC, 50/60 Hz $609
VAS 3T40N/LQSL 3 Flanged 1½” NPT slow opening, quick closing Yes Left 120 V AC, 50/60 Hz $633
VAS 3T50N/LQSL 3 Flanged 2” NPT slow opening, quick closing Yes Left 120 V AC, 50/60 Hz $633
VAS 3T65N/LQSL 3 Flanged 2½” NPT slow opening, quick closing Yes Left 120 V AC, 50/60 Hz $662
VAS 3T40N/NQSR 3 Flanged 1½” NPT quick opening and closing Yes Right 120 V AC, 50/60 Hz $581
VAS 3T50N/NQSR 3 Flanged 2” NPT quick opening and closing Yes Right 120 V AC, 50/60 Hz $581
VAS 3T65N/NQSR 3 Flanged 2½” NPT quick opening and closing Yes Right 120 V AC, 50/60 Hz $609
VAS 3T40N/LQSR 3 Flanged 1½” NPT slow opening, quick closing Yes Right 120 V AC, 50/60 Hz $633
VAS 3T50N/LQSR 3 Flanged 2” NPT slow opening, quick closing Yes Right 120 V AC, 50/60 Hz $633
VAS 3T65N/LQSR 3 Flanged 2½” NPT slow opening, quick closing Yes Right 120 V AC, 50/60 Hz $662
For all other models and configurations Contact Combustion 911

Accessories

Model Description Price
(US List)
Order Now
VAS ACC 1 Test Point, ¼” NPT $13
 
Applications for Solenoid Valve for Gas VAS

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..C 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 Gas solenoid valve with inlet and outlet pressure switch

VAS..N, quick opening, pressure switch DG..C for inlet pressure pe and outlet pressure pa
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..C 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..C

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..C 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 Gas solenoid valve with pilot gas valve and pressure switch

VAS..F..N: quick opening, quick closing
VAS 1 as pilot gas valve with pressure switch DG..C.
 
Specifications for Solenoid Valve for Gas VAS

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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