Johnson Controls V46 Pressure-Actuated Water-Regulating Valve
The Johnson Controls V46 is a pressure-actuated water-regulating valve designed for automatic modulation of water flow in response to pressure changes in refrigeration, HVAC, and industrial cooling systems. It ensures efficient temperature regulation, preventing overheating and excessive water consumption by adjusting water flow based on system pressure.
Technical Specifications
- Manufacturer: Johnson Controls
- Model: V46 Series
- Valve Type: Pressure-Actuated Water-Regulating Valve
- Operation: Self-contained, non-electric operation
- Connection Sizes: Available in 3/8” to 1-1/2” NPT options
- Flow Type: Normally open, closes with increasing pressure
- Control Range: Varies by model (typically 70-260 psi adjustment range)
- Media Compatibility: Water, glycol solutions
- Maximum Pressure: 400 psi (varies by model)
- Maximum Temperature: 250°F (121°C)
- Material: Brass or corrosion-resistant stainless steel construction
- Mounting Type: Pipe-mounted, inline configuration
- Actuation Type: Diaphragm-operated, direct-acting
- Certifications: UL, CE, RoHS Compliant
Key Features
- Automatically modulates water flow based on system pressure
- Self-contained design, requiring no external power
- Prevents excessive water usage in cooling applications
- Durable brass or stainless steel body for long-lasting performance
- Wide pressure adjustment range for application flexibility
- Compatible with a variety of industrial and commercial HVAC systems
- Simple installation with standard NPT pipe connections
Compatible Johnson Controls Systems & Accessories
- Johnson Controls V46 Series Replacement Kits
- Compatible with various chiller and cooling tower systems
- Can be used alongside Johnson Controls pressure transducers
Industry Applications
- Industrial and commercial refrigeration systems
- HVAC and chiller water control
- Cooling towers and condenser water regulation
- Process cooling for manufacturing and chemical plants
- Hydraulic and pneumatic system cooling applications
Installation & Operational Notes
- Install in-line with the system’s water piping for automatic pressure regulation
- Ensure proper valve sizing based on flow rate and pressure requirements
- Adjust pressure settings to match system requirements using factory guidelines
- Regularly inspect for leaks and debris to maintain performance
- No external power required, making installation simple and maintenance-free
We ship these products worldwide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance.
| Code Number1 |
Pipe Size (In.) |
Inlet and Outlet |
Opening Point Range – psig (kPa) |
Pressure Element Style |
Seat Repair Kit |
Replacement Power Elements |
| COMMERCIAL TYPE, STANDARD FLOW – NON CORROSIVE REFRIGERANTS | ||||||
| V46AA-1C | 3/8 NPT | Threaded | 70 to 260 (483 to 1793) | 30 in Capillary; 1/4 in. Flare Nut (Style 45) | STT14A-600R | SEP91A-600R and SEC99AA-36C 2 |
| V46AA-50C | 1/4 in. Male Flare Fitting (Style 5) | SEP91A-600R | ||||
| V46AB-1C | 1/2 NPT | 30 in Capillary; 1/4 in. Flare Nut (Style 45) | STT15A-602R | SEP91A-602R and SEC99AA-36C 2 |
||
| V46AB-25C | 1/4 in. Male Flare Fitting (Style 5) | SEP91A-602R | ||||
| V46AC-1C | 3/4 NPT | 30 in Capillary; 1/4 in. Flare Nut (Style 45) | STT16A-601R | SEP91A-601R and SEC99AA-36C 2 |
||
| V46AC-26C | 1/4 in. Male Flare Fitting (Style 5) | SEP91A-601R | ||||
| V46AD-1C | 1 NPT | 30 in Capillary; 1/4 in. Flare Nut (Style 45) | STT17A-609R | SEP91A-603R and SEC99AA-36C 2 |
||
| V46AD-13C | 1/4 in. Male Flare Fitting (Style 5) | SEP91A-603R | ||||
| V46AE-1C | 1 1/4 NPT | 30 in Capillary; 1/4 in. Flare Nut (Style 45) | STT17A-610R | SEP91A-603R and SEC99AA-36C 2 |
||
| V46AE-17C | 1/4 in. Male Flare Fitting (Style 5) | SEP91A-603R | ||||
| V46AJ-2C | 1/2 | Union | 48 in Capillary; 1/4 in. Flare Nut (Style 46) | STT15A-602R | SEP77A-605R | |
| V46EK-2C | 3/4 | STT16A-601R | SEP127A-600R | |||
| V46AL-2C | 1 | STT17A-609R | SEP107A-602R | |||
| V46AM-2C | 1-1/4 | STT17A-610R | ||||
| V46AR-1C | 1 1/2 | 4 Hole ASME Flange |
30 in Capillary; 1/4 in. Flare Nut (Style 45) | SEP91A-603R and SEC99AA-36C 2 |
||
| V46AR-10C | 1/4 in. Male Flare Fitting (Style 5) (Note 1) |
SEP91A-603R | ||||
| V46AS-1C | 2 | 70 to 170 (483 to 1172) | STT18A-600R | SEP81A-602R | ||
| V46AS-2C | 2 | 160 to 260 (1103 to 1793) | SEP81A-601R | |||
| V46AT-1C | 2 1/2 | 70 to 170 (483 to 1172) | STT18A-601R | SEP81A-602R | ||
| V46AT-2C | 2 1/2 | 160 to 260 (1103 to 1793) | SEP81A-601R | |||
| COMMERCIAL TYPE, LOW FLOW – NON CORROSIVE REFRIGERANTS 3 | ||||||
| V46DA-2C | 3/8 NPT | Threaded | 70 to 260 (483 to 1793) | 30 in Capillary; 1/4 in. Flare Nut (Style 45) | STT14A-603R | SEP91A-600R and SEC99AA-36C4 |
| COMMERCIAL TYPE – AMMONIA | ||||||
| V46AC-8C | 3/4 NPT | Threaded | 100 to 200 (690 to 1379) | 1/4 in. Female NPT (Style 15) | STT16A-601R | SEP70A-601R |
| V46AD-4C | 1 NPT | STT17A-609R | SEP70A-604R | |||
| V46AE-4C | 1 1/4 NPT | STT17A-610R | ||||
| V46AR-2C | 1 1/2 | 4 Hole ASME Flange |
||||
| V46AS-3C | 2 | STT18A-600R | SEP70A-605R | |||
| V46AT-3C | 2 1/2 | STT18A-601R | ||||
| MARITIME TYPE – NON-CORROSIVE REFRIGERANTS | ||||||
| V46BA-2C | 3/8 NPT | Threaded | 70 to 260 (483 to 1793) | 30 in. Capillary with Sweat Connection (Style 34) |
STT14A-601R | SEP13A-602R |
| V46BB-2C | 1/2 NPT | STT15A-603R | SEP13A-600R | |||
| V46BC-2C | 3/4 NPT | STT17A-613R | SEP13A-603R | |||
| V46BD-2C | 1 NPT | STT17A-611R | SEP50A-600R | |||
| V46BE-2C | 1 1/4 NPT | STT17A-612R | ||||
| V46BS-4C | 2 | 4 Hole ASME Flange |
160 to 260 (1103 to 1793) | STT18A-602R | SEP50A-601R | |
| V46BT-4C | 2 1/2 | |||||
| NAVSEA Certified – NON-CORROSIVE REFRIGERANTS | ||||||
| V46CJ-2C | 1/2 | Sweat Connector | 70 to 260 (483 to 1793) | 30 in. Capillary with Sweat Connection (Style 34) |
STT15A-603R | SEP13A-600R |
| V46CN-2C | 3/4 | 4 Hole Navy Flange | STT17A-613R | SEP13A-603R | ||
| V46CP-2C | 1 | STT17A-611R | SEP50A-600R | |||
| V46CQ-2C | 1 1/4 | STT17A-612R | ||||
| V46BR-2C | 1 1/2 | 4 Hole ASME Flange | ||||
| V46CR-2C | 1 1/2 | 6 Hole Navy Flange | ||||
| V46BS-3C | 2 | 4 Hole ASME Flange | 70 to 170 (483 to 1172) | STT18A-602R | SEP50A-601R | |
| V46CS-3C | 2 | 6 Hole Navy Flange | ||||
| V46CS-4C | 2 | 160 to 260 (1103 to 1793) | ||||
| V46BT-3C | 2 1/2 | 4 Hole ASME Flange | 70 to 170 (483 to 1172) | |||
| V46CT-3C | 2 1/2 | 6 Hole Navy Flange | ||||
| V46CT-4C | 2 1/2 | 160 to 260 (1103 to 1793) | ||||
| Product | Size (in.) | Inlet and Outlet |
Service | Element Style |
Shipping Weight lb (kg) |
Seat Repair Kit |
Replacement Power Element |
| V46AA-1 | 3/8 NPT | Threaded | All Range | 45 | 2.3 (1.0) | STT14A-600R | SEP91A-600R and SEC37A-601R1 |
| V46DA-2 | 3/8 NPT | Threaded | Extended All Range2 |
45 | 2.3 (1.0) | STT14A-603R | SEP91A-600R and SEC37A-601R1 |
| V46AB-1 | 1/2 NPT | Threaded | All Range | 45 | 3.3 (1.5) | STT15A-602R | SEP91A-602R and SEC37A-602R1 |
| V46AC-1 | 3/4 NPT | Threaded | All Range | 45 | 4.3 (2.0) | STT16A-601R | SEP91A-601R and SEC37A-602R1 |
| V46AD-1 | 1 NPT | Threaded | All Range | 45 | 9.3 (4.0) | STT17A-609R | SEP91A-603R and SEC37A-600R1 |
| V46AE-1 | 1-1/4 NPT |
Threaded | All Range | 45 | 10.0 (4.5) | STT17A-610R | SEP91A-603R and SEC37A-600R1 |
| V46AR-1 | 1-1/2 NPT |
4 Hole ASME Flange |
All Range | 45 | 13.1 (6.0) | STT17A-610R | SEP91A-603R and SEC37A-600R1 |
| V46AS-1 | 2 | 4 Hole ASME Flange |
Low Range | 5 | 25.5 (11.6) | STT18A-600R | SEP81A-602R3 |
| V46AS-2 | 2 | 4 Hole ASME Flange |
High Range | 5 | 25.5 (11.6) | STT18A-600R | SEP81A-601R |
| V46AT-1 | 2-1/2 | 4 Hole ASME Flange |
Low Range | 5 | 29.5 (11.6) | STT18A-601R | SEP81A-602R3 |
| V46AT-2 | 2-1/2 | 4 Hole ASME Flange |
High Range | 5 | 29.5 (11.6) | STT18A-601R | SEP81A-601R |
| Product | Size (in.) | Inlet and Outlet |
Service | Element Style |
Shipping Weight lb (kg) |
Seat Repair Kit | Replacement Power Element |
| V46AB-111 | 1/2 NPT | Threaded | Ammonia | 15 | 3.2 (1.5) | STT15A-602R | SEP70A-603R1 |
| V46AC-81 | 3/4 NPT | Threaded | Ammonia | 15 | 4.2 (1.9) | STT16A-601R | SEP70A-601R |
| V46AD-41 | 1 NPT | Threaded | Ammonia | 15 | 7.7 (3.5) | STT17A-609R | SEP70A-604R |
| V46AE-41 | 1-1/4 NPT |
Threaded | Ammonia | 15 | 9.2 (4.2) | STT17A-610R | SEP70A-604R |
| V46AR-21 | 1-1/2 | 4 Hole ASME Flange |
Ammonia | 15 | 12.3 (5.6) | STT17A-610R | SEP70A-604R |
| V46AS-3 | 2 | 4 Hole ASME Flange |
Ammonia | 15 | 25.5 (11.6) | STT18A-600R | SEP70A-605R1 |
| V46AT-3 | 2-1/2 | 4 Hole ASME Flange |
Ammonia | 15 | 29.5 (11.6) | STT18A-601R | SEP70A-605R1 |
| Product | Size (in.) | Inlet and Outlet |
Service | Element Style |
Shipping Weight lb (kg) |
Seat Repair Kit |
Replacement Power Element |
| V46NA-11 | 3/8 NPT | Threaded | All Range | 45 | 2.3 (1.0) | STT14A-600R | SEP91A-600R and SEC37A-601R2 |
| V46NB-11 | 1/2 NPT | Threaded | All Range | 45 | 3.6 (1.6) | STT15A-602R | SEP91A-602R and SEC37A-602R2 |
| V46NB-2 | 1/2 NPT | Threaded | Low Range | 45 | 3.6 (1.6) | STT15A-602R | SEP91A-602R and SEC37A-602R2 |
| V46NC-11 | 3/4 NPT | Threaded | All Range | 45 | 4.5 (2.0) | STT16A-601R | SEP91A-601R and SEC37A-602R2 |
| V46NC-2 | 3/4 NPT | Threaded | Low Range | 45 | 4.5 (2.0) | STT16A-601R | SEP91A-601R and SEC37A-602R2 |
| V46ND-11 | 1 NPT | Threaded | All Range | 45 | 7.5 (3.4) | STT17A-609R | SEP91A-603R and SEC37A-600R2 |
| V46ND-2 | 1 NPT | Threaded | Low Range | 45 | 7.5 (3.4) | STT17A-609R | SEP91A-603R and SEC37A-600R2 |
| V46NE-11 | 1-1/4 NPT |
Threaded | All Range | 45 | 8.8 (4.0) | STT17A-610R | SEP91A-603R and SEC37A-600R2 |
| V46NE-21 | 1-1/4 NPT |
Threaded | Low Range | 45 | 8.8 (4.0) | STT17A-610R | SEP91A-603R and SEC37A-600R2 |
| Product | Size (in.) | Inlet and Outlet |
Service | Element Style |
Shipping Weight lb (kg) |
Seat Repair Kit | Replacement Power Element |
| V46BA-21 | 3/8 NPT | Threaded | All Range | 34 | 2.3 (1.0) | STT14A-601R | SEP13A-602R |
| V46BB-21 | 1/2 NPT | Threaded | All Range | 34 | 3.3 (1.5) | STT15A-603R1 | SEP13A-600R1 |
| V46BC-2 | 3/4 NPT | Threaded | All Range | 34 | 4.3 (2.0) | STT17A-613R | SEP13A-603R |
| V46BD-2 | 1 NPT | Threaded | All Range | 34 | 9.5 (4.3) | STT17A-611R1 | SEP50A-600R |
| V46BE-2 | 1-1/4 NPT |
Threaded | All Range | 34 | 10.3 (4.7) | STT17A-612R | SEP50A-600R |
| V46BS-4 | 2 | 4 Hole ASME Flange |
High Range | 34 | 25.5 (11.6) | STT18A-602R | SEP50A-601R1 |
| V46BT-41 | 2-1/2 | 4 Hole ASME Flange |
High Range | 34 | 29.5 (13.4) | STT18A-602R | SEP50A-601R1 |
| Product | Size (in.) | Inlet and Outlet |
Service | Element Style |
Shipping Weight lb (kg) |
Seat Repair Kit | Replacement Power Element |
| V46CJ-21 | 1/2 | Sweat Connector |
All Range | 34 | 3.6 (1.6) | STT15A-603R1 | SEP13A-600R1 |
| V46CN-21 | 3/4 | 4 Hole Navy Flange |
All Range | 34 | 7.1 (3.2) | STT17A-613R | SEP13A-603R |
| V46CP-21 | 1 | 4 Hole Navy Flange |
All Range | 34 | 12.0 (5.4) | STT17A-611R1 | SEP50A-600R |
| V46CQ-21 | 1-1/4 | 4 Hole Navy Flange |
All Range | 34 | 10.3 (4.7) | STT17A-612R | SEP50A-600R |
| V46BR-21 | 1-1/2 | 6 Hole Navy Flange |
All Range | 34 | 13.5 (6.1) | STT17A-612R | SEP50A-600R |
| V46CR-21 | 1-1/2 | 6 Hole Navy Flange |
All Range | 34 | 13.8 (6.3) | STT17A-612R | SEP50A-600R |
| V46BS-31 | 2 | 6 Hole Navy Flange |
Low Range | 34 | 25.5 (11.6) | STT18A-602R | SEP50A-601R1 |
| V46CS-31 | 2 | 6 Hole Navy Flange |
Low Range | 34 | 24.4 (11.1) | STT18A-602R | SEP50A-601R1 |
| V46CS-41 | 2 | 6 Hole Navy Flange |
High Range | 34 | 24.4 (11.1) | STT18A-602R | SEP50A-601R1 |
| V46BT-31 | 2-1/2 | 6 Hole Navy Flange |
Low Range | 34 | 29.5 (13.4) | STT18A-602R | SEP50A-601R1 |
| V46CT-31 | 2-1/2 | 6 Hole Navy Flange |
Low Range | 34 | 25.5 (11.6) | STT18A-602R | SEP50A-601R1 |
| V46CT-41 | 2-1/2 | 6 Hole Navy Flange |
High Range | 34 | 25.5 (11.6) | STT18A-602R | SEP50A-601R1 |