Contact Information
Watson & Chalin Mfg Inc
725 E. University Dr
McKinney, TX 75069
1.800.445.0736 : Toll Free
1.972.547.6020 : Local
1.972.542.0097 : Fax
W&C # 10100
SEALCO #140280
|
PORT SIZES (NPT) |
NOMINAL CLOSING PRESSURE |
|
|
Inlet |
Outlet |
|
|
(1) 3/8" |
(1) 3/8" |
70 psi |
Commonly used to protect air brake reservoirs from being depleted by the failure of other air accessory items
- Valve closes at the nominal psi indicated above
- Valve includes an internal filter & positive one-way check valve
Repair kit: Sealco#140281 (Not sold by W & C)
450 Series
Hadley’s H00450 Series is a universal and versatile Non Dump valve for Tractor and Trailer applications. The valve is also utilized on a number of Class A RV applications. The valve has a moderate flow rate and the best reliability and repeatability in the industry. The valve has been in production for over 20 years and continues to be a best seller for Hadley.
The H00450CE was designed as a universal replacement valve. Fit most applications and replaces most competitive applications.
450 valves Include:
- Two Levers
- Two Brackets
W&C # 17658
SEALCO #110416
| PORT SIZES (NPT) | NOMINAL CRACK PRESSURE | MOUNTING INFORMATION | ||
| Control | Reservoir | Delivery | ||
| 3/8" | 3/4" | 3/8" | 4.0 psi | Frame Bracket Kit 110395 included |
- Can be nipple mounted directly to tank or frame mounted with included bracket shown above
- Commonly used on truck and trailer service brakes
- Operates up to four brake chambers
Repair kit: Not available
W&C # 10099-02
PORT SIZES (NPT) | CRACK PRESSURE | |
Inlet | Outlet | |
(1) 3/8" | (2) 3/8" | 3 psi |
- Commonly used to dump air quickly from air springs.
W&C # 17525-01
Parker #14R1C00100
PORT SIZES (NPT) | Max Inlet Pressure | |
Inlet | Outlet | |
(1) 1/4" | (3) 1/4" | 300 psi |
- Commonly used to regulate load air springs.
- Inlet pressure: 0 to 300 PSIG (0 to 2068 kPa)
- Outlet pressure: 0 to 125 PSIG
- Not for bottled gas
W&C # 19007-85
GT Development #223-585-2B
PORT SIZES (NPT) | NOMINAL CLOSING PRESSURE | |
Inlet (male) | Outlet (female) | |
(1) 1/2" | (2) 1/4" | 70 psi |
The Pressure Protection Valve assembly is intended to isolate a portion of a vehicle air system if a leak occurs, so that the integrity of the remaining system is retained. This valve to mount on an air tank.
Valve closes at the nominal psi indicated above
The Pressure Protection Valve assembly is designed for use on vehicle air systems with a normal duty cycle between 100 and up to 150 PSIG in a temperature range of –40°F to +200°F. The valve, as mounted on the vehicle, is unprotected from the environment and is subjected to vibration conditions similar to the vehicle.
