9753030630 is a Wabco unloading valve for air brake systems. An unloader valve regulates the air pressure in the brake circuit and unloads pressure when it is called for. This one includes a one-way valve and comes without a tire inflating valve. It has an opening pressure of 174 psi, a cut-out pressure of 117.48 psi and a maximum operating pressure of 362.6 psi, and it is rated for -40°C to +80°C. Two ports use 3/4"-14 Dry Seal NPTF threads. Supersedes part number(s) S975-303-063-0. A genuine Wabco part from Pro Gear and Transmission.
Features
Opening pressure 174 psi, cut-out pressure 117.48 psi
Maximum operating pressure 362.6 psi
Two 3/4"-14 Dry Seal NPTF ports plus a union port of 0.79 in. diameter
With one-way valve, without tire inflating valve
Two 8.8 mm mounting holes, size 171 x 111 x 66 mm
Temperature range -40°C to +80°C
Tech Specs
- Brand WABCO
- Part type Premium original quality
- Product category Device
- Calculated Volume (dm³)1.253
- Cut-out pressure 117.48 psi
- Max. operating pressure 362.6 psi
- Mounting 2x Ø 8.8 mm
- Opening pressure 174 psi
- Operational range 8.70+5.80 psi
- Port thread 1 3/4" - 14 Dry Seal NPTF
- Port thread 21 3/4" - 14 Dry Seal NPTF
- Port thread 3 Union Ø 0.79 in
- Technical specification OE specification
- Temperature range -40°C to +80°C
- Type With one way valve
- Version Without tire inflating valve
- Size (mm x mm x mm)171 x 111 x 66
