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

Flow Calculator

Product Brochure

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

Valve Train Assemblies

Features

Optional Components

Pressure Rating

Temperature Rating

Component Agency Approvals

Helpful Tools

Specifications

Standard Valve Train (KVTS)

Valve Train with Optional Regulator (KVTR)

Valve Train with Pre-wire