Valve Train Assemblies
Features
- The standard Kromschröder valve train uses VAS / VAD 1-3 solenoid valves and associated attachments
- Designed for 120 V AC operation, with options for 24 V DC or 230 V AC
- Includes a 12-44” WC high pressure and a 3-17” WC low pressure compact switches, with options for standard pressure switches
- Pressure gauge
- Pressure test points
Optional Components
- Pressure regulator (KVTR)
- Pre-wire
- Pilot (KVTP)
Pressure Rating
- 7.25 psi maximum with standard valve train
- 7 psi maximum with regulated valve train
Temperature Rating
- -4°F to 140°F (-20°C to + 60°C)
Component Agency Approvals
Helpful Tools
Specifications | |||||
|---|---|---|---|---|---|
| Pipe Size NPT | Standard Part Number | Part Number with Regulator | Approximate Length inches | Capacity cfh Natural Gas | Pressure Drop @1 psi Inlet |
| 1/2" | KVTS 115 | KVTR 115 | 16.5 | 350 | 1.6” WC (3.98 mbar) |
| 3/4" | KVTS 120 | KVTR 120 | 17.5 | 600 | 2.2” WC (5.47 mbar) |
| 1” | KVTS 125 | KVTR 125 | 18.5 | 1100 | 5.6” WC (13.94 mbar) |
| 1” | KVTS 225 | KVTR 225 | 20.75 | 2000 | 6.0” WC (14.93 mbar) |
| 1-1/4” | KVTS 232 | KVTR 232 | 22.5 | 2500 | 5.8” WC (14.43 mbar) |
| 1-1/2” | KVTS 240 | KVTR 240 | 23 | 2750 | 5.8” WC (14.43 mbar) |
| 1-1/2” | KVTS 340 | KVTR 340 | 24.75 | 4000 | 5.8” WC (14.43 mbar) |
| 2” | KVTS 250 | KVTR 250 | 24.75 | 2800 | 5.8” WC (14.43 mbar) |
| 2” | KVTS 350 | KVTR 350 | 26.5 | 4250 | 5.6” WC (13.94 mbar) |
Standard Valve Train (KVTS) | |||||||
|---|---|---|---|---|---|---|---|
|
| |||||||
| Pipe Size
NPT |
Item 1
Manual Shutoff Valve |
Item 2
Automatic Shutoff Valve 1 |
Item 3
Automatic Shutoff Valve 2 |
Item 4
Low Pressure Switch 3-17” WC |
Item 5
High Pressure Switch 12-44" WC |
Item 6
Pressure Gauge 0-30" WC |
Item 7
Pressure Test Points |
| 1/2" | AKT 15TN88
KS03152308 |
VAS, size 1 | VAS, size 1 | DG 40VCT1-6W
KS74214174 |
DG 110VCT1-6W
KS75454585 |
KS0330130 | KS74921869 |
| 3/4" | AKT 20TN88
KS03152309 |
VAS, size 1 | VAS, size 1 | DG 40VCT1-6W
KS74214174 |
DG 110VCT1-6W
KS75454585 |
KS0330130 | KS74921869 |
| 1” | AKT 25TN88
KS03152310 |
VAS, size 1 | VAS, size 1 | DG 40VCT1-6W
KS74214174 |
DG 110VCT1-6W
KS75454585 |
KS0330130 | KS74921869 |
| 1” | AKT 25TN88
KS03152310 |
VAS, size 2 | VAS, size 2 | DG 40VCT1-6W
KS74214174 |
DG 110VCT1-6W
KS75454585 |
KS0330130 | KS74921869 |
| 1-1/4” | AKT 32TN88
KS03152311 |
VAS, size 2 | VAS, size 2 | DG 40VCT1-6W
KS74214174 |
DG 110VCT1-6W
KS75454585 |
KS0330130 | KS74921869 |
| 1-1/2” | AKT 40TN88
KS03152312 |
VAS, size 2 | VAS, size 2 | DG 40VCT1-6W
KS74214174 |
DG 110VCT1-6W
KS75454585 |
KS0330130 | KS74921869 |
| 1-1/2” | AKT 40TN88
KS03152312 |
VAS, size 3 | VAS, size 3 | DG 40VCT1-6W
KS74214174 |
DG 110VCT1-6W
KS75454585 |
KS0330130 | KS74921869 |
| 2” | AKT 50TN88
KS03152313 |
VAS, size 2 | VAS, size 2 | DG 40VCT1-6W
KS74214174 |
DG 110VCT1-6W
KS75454585 |
KS0330130 | KS74921869 |
| 2” | AKT 50TN88
KS03152313 |
VAS, size 3 | VAS, size 3 | DG 40VCT1-6W
KS74214174 |
DG 110VCT1-6W
KS75454585 |
KS0330130 | KS74921869 |
Valve Train with Optional Regulator (KVTR) | |||||||
|---|---|---|---|---|---|---|---|
 | |||||||
| Pipe Size
NPT |
Item 1
Manual Shutoff Valve |
Item 2
Automatic Shutoff Valve 1 |
Item 3
Regulator Valve 2** |
Item 4
Low Pressure Switch 3-17" WC |
Item 5
High Pressure Switch 12-44" WC |
Item 6
Pressure Gauge 0-30" WC |
Item 7
Pressure Test Points |
| 1/2" | AKT 15TN88
KS03152308 |
VAS, size 1 | VAD, size 1 | DG 40VCT1-6W
KS74214174 |
DG 110VCT1-6W
KS75454585 |
KS0330130 | KS74921869 |
| 3/4" | AKT 20TN88
KS03152309 |
VAS, size 1 | VAD, size 1 | DG 40VCT1-6W
KS74214174 |
DG 110VCT1-6W
KS75454585 |
KS0330130 | KS74921869 |
| 1” | AKT 25TN88
KS03152310 |
VAS, size 1 | VAD, size 1 | DG 40VCT1-6W
KS74214174 |
DG 110VCT1-6W
KS75454585 |
KS0330130 | KS74921869 |
| 1” | AKT 25TN88
KS03152310 |
VAS, size 2 | VAD, size 2 | DG 40VCT1-6W
KS74214174 |
DG 110VCT1-6W
KS75454585 |
KS0330130 | KS74921869 |
| 1-1/4” | AKT 32TN88
KS03152311 |
VAS, size 2 | VAD, size 2 | DG 40VCT1-6W
KS74214174 |
DG 110VCT1-6W
KS75454585 |
KS0330130 | KS74921869 |
| 1-1/2” | AKT 40TN88
KS03152312 |
VAS, size 2 | VAD, size 2 | DG 40VCT1-6W
KS74214174 |
DG 110VCT1-6W
KS75454585 |
KS0330130 | KS74921869 |
| 1-1/2” | AKT 40TN88
KS03152312 |
VAS, size 3 | VAD, size 3 | DG 40VCT1-6W
KS74214174 |
DG 110VCT1-6W
KS75454585 |
KS0330130 | KS74921869 |
| 2” | AKT 50TN88
KS03152313 |
VAS, size 2 | VAD, size 2 | DG 40VCT1-6W
KS74214174 |
DG 110VCT1-6W
KS75454585 |
KS0330130 | KS74921869 |
| 2” | AKT 50TN88
KS03152313 |
VAS, size 3 | VAD, size 3 | DG 40VCT1-6W
KS74214174 |
DG 110VCT1-6W
KS75454585 |
KS0330130 | KS74921869 |
**Outlet Pressure Ranges include: 2.5-25 mbar, 20-50 mbar, or 35-100 mbar. The default range for the KVTR is 20-50 mbar. Please specify upon ordering if a different range is needed. The valve train does not increase in length when ordered with the optional pressure regulator.
Valve Train with Pre-wire | |
|---|---|
 | |