BAOMAIN Air Compressor Auto Drain Valve Water Separator 1/2" to 3/8" PT
- PRECISION PT THREAD SPECIFICATIONS: Equipped with a standard 1/2" PT (RC/BSPT) top inlet and 3/8" PT (RC/BSPT) bottom outlet. Please note that this specific model uses Asian/European standard PT threads. If your US pneumatic system requires NPT threads, please select the NPT option from the variation menu at the top of the page to ensure a seamless, leak-free connection.
- ZERO AIR LOSS ENGINEERING: Designed to effectively remove liquid condensate without allowing valuable compressed air to escape. This smart mechanical mechanism significantly reduces compressor workload, lowers energy costs, and maintains stable system pressure for peak pneumatic performance without manual intervention.
- EFFICIENT AUTOMATIC DRAINAGE: Automatically discharges accumulated water and contaminants using a reliable mechanical buoyancy float mechanism. It requires no electrical power or daily manual operation, providing hassle-free moisture management that protects your downstream pneumatic tools and machinery from rust and water damage.
- DURABLE AND VISIBLE CONSTRUCTION: Features a robust aluminum alloy upper body paired with a clear, high-strength nylon bowl that allows for effortless visual inspection of the water level at any time. It is built to safely withstand high operating pressures up to 145 PSI (1.0 MPa) and maximum fluid temperatures of 140°F (60°C).
- WIDE INDUSTRIAL APPLICATION: Measuring 7.24 inches (184mm) in length, its compact profile easily fits into space-constrained setups. This auto water separator trap is ideal for compressed air lines, air storage receiver tanks, refrigerated air dryers, and pneumatic filter units to prevent equipment downtime and air leaks.
Estimated shipping
Select a product to estimate shipping.The BAOMAIN AD402-04 Zero Air Loss Automatic Drain Valve is an essential component for maintaining clean, dry, and highly efficient compressed air systems. Engineered to automatically discharge accumulated condensate and contaminants, this water separator operates purely on mechanical buoyancy—requiring no manual monitoring or electrical power. IMPORTANT THREAD COMPATIBILITY NOTICE This specific model features standard PT (RC/BSPT) threads. It comes with a 1/2" PT Top Inlet and a 3/8" PT Bottom Outlet, which are common in Asian and European pneumatic setups. If your equipment requires US standard NPT threads, please select the "NPT Thread" option from the variation menu at the top of this page to ensure a leak-free installation. [HOW IT WORKS] Zero Pressure State: The internal float descends by its own weight, allowing the spring to press the piston down and drain initial moisture. Pressurization State (Above 14.5 PSI): System air pressure forces the piston upward, securely sealing the discharge channel to prevent any loss of compressed air. Auto Discharge State: As water accumulates in the bowl, buoyancy naturally lifts the float. This pushes the piston down to rapidly expel the water, then instantly reseals. [KEY ADVANTAGES] ZERO AIR LOSS: Efficiently removes liquid build-up without wasting your valuable compressed air, significantly reducing compressor workload and energy costs. DURABLE & VISIBLE: Constructed with a rugged aluminum alloy upper body and a high-strength, transparent nylon bowl. This allows for effortless visual inspection of the drainage level at any time. FULLY AUTOMATIC: The reliable mechanical float mechanism offers true "set-and-forget" moisture management. [TECHNICAL SPECIFICATIONS] Model: AD402-04 RC Thread Standard: PT (RC / BSPT) Port Sizes: 1/2" PT (Inlet) / 3/8" PT (Outlet) Max Operating Pressure: 1.0 MPa (145 PSI) Auto-Seal Pressure Range: 14.5 to 145 PSI Operating Temperature: 41°F to 140°F (5°C to 60°C) Overall Dimensions: 7.24" x 3.22" (184mm x 82mm) [WIDE APPLICATIONS] Perfectly suited for air compressors, air receiver tanks, refrigerated air dryers, and pneumatic filter lines. Protect your downstream tools from rust, prevent air leaks, and minimize production downtime with reliable automatic drainage.
Specifications
| Main Specification | |
|---|---|
| Manufacturer | Baomain Electric Co.,Ltd |
| Brand | Baomain |
| UPC | 711811397448 |
| Number of Items | 1 |
| Included Components | Automatic Drain Valve |
| Colour | Silver |
| Item Weight | 1.2 Pounds |
| Product information | |
|---|---|
| Number of Packs | 1 |
| Technical Details | |
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| Manufacturer Part Number | AD402-04 |
| Material Type | Aluminum |
| Item details | |
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| Model Number | AD402-04 |
| Style | |
|---|---|
| Finish Types | Brushed |
| Features & Specs | |
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| Additional Features | Removable |
| Others | |
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| Item Highlight | 1/2" PT Thread Automatic Drain Valve With Nylon Bowl For Pneumatic Systems, AD402-04 1.0MPa Zero Air Loss Water Separator |
| Product Type | Air-Compressor Accessories |
| Product Style | Modern |
| Item Dimensions W x H | 3.2"W x 7.3"H |
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