| Product Line | Brake System |
| Category Name | Air Brake Valves |
| Part Type | Spring Brake Valve |
| Alternate Part Name | Trailer Spring Brake Valve |
| Model | SR-4 |
| OEM Part Number | 101622 |
| Application Type | Semi-Trucks, Heavy Duty Trucks |
| Delivery Port Qty | 4 |
| Delivery Port Size | 3/8-18 NPT |
| Exhaust Port Size | Dust Shield |
| Reservoir Port Qty | 2 |
| Reservoir Port Size | 1/4-18 NPT |
| Spring Brake Reservoir Supply Port | 1/2-14 NPT |
| Supply Port Size | 1/4-18 NPT |
| Trailer Service Port Size | 1/4-18 NPT |
| Material | Die Cast Zinc |
| Brake Charging Priority | Service Brake Priority |
| Check Valve Included | Yes |
| Closing Pressure | 60 psi |
| Maximum Operating Temperature | 200 deg. F (93 deg. C) |
| Minimum Operating Temperature | -40 deg. F (-40 deg. C) |
| Pressure Protection Valve Included | Yes |
| Net Weight | 3.55 lb. |
| Cross References | 101622, 101622N, 101622RX, 101622X, 170101622, 745-101622, 745101622, 9738840010, AV101622, EM56630, OR101622, OR101622X, R955101622, S9738840010 |
| Intended Application | - Designed for heavy duty truck trailers and semi-trailers equipped with air brake systems, to control the release and application of spring brakes.
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