MultiStar Cold – Your Source for Bus Air Conditioner Parts
The Valeo TM31 / DKS32 High and Low Pressure Joint (also known as a service valve or shut-off valve assembly) is a high-quality replacement component designed for Valeo TM31 (DKS32 / DKS32C) heavy-duty A/C compressors, widely used in bus, truck, and commercial vehicle air conditioning systems. This valve assembly isolates the compressor from the refrigeration system during maintenance, allowing for evacuation, charging, and system service procedures.
Multistar Cold is your one-stop supplier for bus AC parts and transport refrigeration parts – original new and China-made options at competitive prices.
Valeo / Zexel / Seltec:
TM31 / DKS32 / DKS32C
506210-0511
Autoclima:
40460471
Aftermarket References:
HTAC-1090B (shut-off valve without pressure switch holes)
HTAC-10911 (discharge & suction valve)
HTAC-10912 (without discharge & suction valve)
Thermo King Hose & Fittings Kit for TM31 Compressor:
55-9787, 55-9780, 55-9779 (suction fittings)
61-5537, 55-9782, 55-9781 (discharge fittings)
33-2847, 33-2848 (O-rings)
33-3191 (gasket)
✨ Key Features & Benefits
- Complete Service Valve Assembly – Includes both high and low pressure joints for full system isolation during maintenance
- Precision Fitment – M22 x 1.5 thread and bolt port design (1-1/16 x 7/8) ensure proper sealing and compatibility
- OEM-Grade Quality – Quality equivalent to or exceeding OEM parts
- Essential for System Service – Allows compressor isolation for evacuation, charging, and service procedures
- Wide Compatibility – Fits Valeo TM31, DKS32, and DKS32C compressors used in bus and commercial vehicle AC systems
- One-stop supplier for bus AC & transport refrigeration parts
📊 Technical Specifications
| Parameter | Specification |
|---|---|
| Compatible Compressor | Valeo TM31 / DKS32 / DKS32C |
| Type | High and Low Pressure Service Valve Joint |
| Connection Size | M22 x 1.5 |
| Suction Port | #16 (1-1/16″) |
| Discharge Port | #12 (7/8″) |
| Fitting Type | Bolt Port (1-1/16 x 7/8) |
| Displacement | 313 cm³/rev |
| Number of Cylinders | 10 (5 double-headed pistons) |
| Refrigerant | HFC-134a |
| Oil | ZXL100PG PAG Oil (500 cm³) |
| Advantage | Benefit |
|---|---|
| Factory Direct | No middlemen – competitive pricing |
| Quality Focus | OEM-grade materials and testing standards |
| Fast Delivery | Ready stock and quick production turnaround |
| Technical Support | Expert assistance for fitment verification |
| Global Reach | Shipping to 50+ countries worldwide |
| Flexible MOQ | Low minimum order quantities |
Multistar Cold – Your one-stop supplier for bus AC parts, transport refrigeration parts, Thermo King parts, and Carrier Transicold parts. OEM-grade quality, competitive pricing, and global shipping from China.