| Product Line | Brakes |
| Category Name | Air Brake Valves |
| Part Type | Spring Brake Valve |
| Alternate Part Name | Trailer Spring Brake Valve |
| Model | SR-4 |
| OEM Part Number | 101112 |
| Application Type | Heavy Duty Trucks, Semi-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 | 3/4-14 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 | No |
| 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 | 3.60 lb. |
| Cross References | 101112, 107539X, 170101112, 745-101112, 745101112, AV101112, BX101112R, BXOR101112X, EBN101112N, EM56640, KN26000, KN26000N, LBV-5664, LBV5664, OR101112, R955101112N |
| 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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