Product Description
- Manufacturer: Bendix
- Part Number: K021558
- Mounting Studs: 3/8″-16
- Stud Length: 0.94″
- Control Port: 3/8″ Push to Connect
- Balance Port: 3/8″ Push to Connect
- Supply Port: 1/2″ NPT
- Delivery Ports: 3/8″ NPT (4)
- Park Control Port: 1/4″ NPT
The Bendix ® SR-7™ spring brake modulating valve is used in conjunction with a dual air brake system and spring brake actuator and performs the following functions:
- Provides a rapid application of the spring brake actuator when parking
- Modulates the spring brake actuator application using the dual brake valve should a primary failure occur in the service brake system
- Prevents compounding of service and spring forces. The valve has one park control, one service control, onesupply, one balance, four delivery NPTF ports, and an exhaust port protected by an exhaust diaphragm. The valve incorporates two mounting studs for mounting the valve to the frame rail or cross member (where applicable
Cross References: K021558, K021246
A cross reference listing means that this item should be a suitable replacement for the part numbers listed. Please double check the dimensions to be sure it will work in your application.
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