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Air compressor auto drain manufacturers

I have found results from400+products and200+suppliers aboutAir compressor auto drain

Shanghai Sunwin Industry Co., Ltd.mic-icon
Satisfies 2/2 of your requirements
Compressed Air Saving Type Pneumatic Auto Drain 1/2 Inch for Air Filters

Compressed Air Saving Type Pneumatic Auto Drain 1/2 Inch for Air Filters

US$8.90-12.50
1 pieces(MOQ)
for Air Filters Compressed Air Saving Type Pneumatic Auto Drain Valve

for Air Filters Compressed Air Saving Type Pneumatic Auto Drain Valve

US$8.90-12.50
1 pieces(MOQ)
for Air Filters Floating Ball Type Automatic Drainer

for Air Filters Floating Ball Type Automatic Drainer

US$13.72-15.72
1 pieces(MOQ)
for Compressed Air Filters 1/2'' Interface Floating Ball Type Automatic Drainer

for Compressed Air Filters 1/2'' Interface Floating Ball Type Automatic Drainer

US$13.72-15.72
1 pieces(MOQ)
Durable 16 Bar Zero Loss Auto Drain for Air Compressors

Durable 16 Bar Zero Loss Auto Drain for Air Compressors

US$28.00-56.00
1 pieces(MOQ)
Industrial 16 Bar Auto Zero Loss Drain for Air Compressors

Industrial 16 Bar Auto Zero Loss Drain for Air Compressors

US$28.00-56.00
1 pieces(MOQ)
Zero Air Loss Auto Drain Valve 16 Bar for Compressor

Zero Air Loss Auto Drain Valve 16 Bar for Compressor

US$28.00-56.00
1 pieces(MOQ)
1/2 Inch Zero Air Loss Auto Drain Valve for Compressors

1/2 Inch Zero Air Loss Auto Drain Valve for Compressors

US$28.00-56.00
1 pieces(MOQ)
for Compressed Air Filter 16 Bar Zero Air Loss Auto Drain Valve

for Compressed Air Filter 16 Bar Zero Air Loss Auto Drain Valve

US$28.00-56.00
1 pieces(MOQ)
Energy-Saving 16 Bar Auto Drain Valve for Compressed Air

Energy-Saving 16 Bar Auto Drain Valve for Compressed Air

US$28.00-56.00
1 pieces(MOQ)
for Compressed Air System Pneumatic Auto Drain Valve

for Compressed Air System Pneumatic Auto Drain Valve

US$18.00
25 pieces(MOQ)
16 Bar Zero Air Loss Auto Drain for Industrial Air Equipment

16 Bar Zero Air Loss Auto Drain for Industrial Air Equipment

US$28.00-56.00
1 pieces(MOQ)
16 Bar Zero Air Loss Auto Drain Valve Industrial Use

16 Bar Zero Air Loss Auto Drain Valve Industrial Use

US$28.00-56.00
1 pieces(MOQ)
16 Bar Zero Loss Auto Drain – Compressed Air Accessories

16 Bar Zero Loss Auto Drain – Compressed Air Accessories

US$28.00-56.00
1 pieces(MOQ)
Energy Saving Auto Drain Valve 16 Bar for Air Systems

Energy Saving Auto Drain Valve 16 Bar for Air Systems

US$28.00-56.00
1 pieces(MOQ)
for Air Compressors Industrial 16 Bar Auto Zero Loss Drain Valve

for Air Compressors Industrial 16 Bar Auto Zero Loss Drain Valve

US$28.00-56.00
1 pieces(MOQ)
Energy Efficient 16 Bar Zero Loss Auto Drain for Compressors

Energy Efficient 16 Bar Zero Loss Auto Drain for Compressors

US$28.00-56.00
1 pieces(MOQ)
16 Bar Zero Air Loss Auto Drain – Industrial Air Solution

16 Bar Zero Air Loss Auto Drain – Industrial Air Solution

US$28.00-56.00
1 pieces(MOQ)
for Industrial Use Automatic Zero Air Consumption Drain Valve

for Industrial Use Automatic Zero Air Consumption Drain Valve

US$28.00-56.00
1 pieces(MOQ)
16 Bar Industrial Air Solution Float Type Zero Air Loss Auto Drain

16 Bar Industrial Air Solution Float Type Zero Air Loss Auto Drain

US$28.00-56.00
1 pieces(MOQ)
16 Bar Energy-Saving Zero Air Loss Auto Drain Valve

16 Bar Energy-Saving Zero Air Loss Auto Drain Valve

US$28.00-56.00
1 pieces(MOQ)
Industrial 16 Bar Zero Air Loss Auto Drain Valve Energy Saving Design

Industrial 16 Bar Zero Air Loss Auto Drain Valve Energy Saving Design

US$28.00-56.00
1 pieces(MOQ)
16 Bar Energy-Saving Float Type Zero Air Loss Auto Drain Valve

16 Bar Energy-Saving Float Type Zero Air Loss Auto Drain Valve

US$28.00-56.00
1 pieces(MOQ)
Industrial 1/2 Inch Zero Air Loss Auto Drain Valve

Industrial 1/2 Inch Zero Air Loss Auto Drain Valve

US$28.00-56.00
1 pieces(MOQ)
for Air Tank 50% off Zero Air Loss Automatic Drain

for Air Tank 50% off Zero Air Loss Automatic Drain

US$28.00-56.00
1 pieces(MOQ)
Compact 1/2 Inch Zero Air Loss Auto Drain Valve

Compact 1/2 Inch Zero Air Loss Auto Drain Valve

US$28.00-56.00
1 pieces(MOQ)
for Industrial Use Automatic Zero Air Loss Drain Valve Reliable Solution

for Industrial Use Automatic Zero Air Loss Drain Valve Reliable Solution

US$28.00-56.00
1 pieces(MOQ)
for Air Receiver Storage Tank Zero Air Loss Automatic Drain Valve

for Air Receiver Storage Tank Zero Air Loss Automatic Drain Valve

US$28.00-56.00
1 pieces(MOQ)
Suitable for Rotary Screw Compressors Zero-Loss Condensate Automatic Drain Valve

Suitable for Rotary Screw Compressors Zero-Loss Condensate Automatic Drain Valve

US$28.00-56.00
1 pieces(MOQ)
Industrial Zero Air Loss Drain Valve 16 Bar – Auto

Industrial Zero Air Loss Drain Valve 16 Bar – Auto

US$28.00-56.00
1 pieces(MOQ)
16 Bar Auto Zero Air Loss Drain Valve for Air Line

16 Bar Auto Zero Air Loss Drain Valve for Air Line

US$28.00-56.00
1 pieces(MOQ)
16 Bar Zero Air Loss Compressor Drain – Automatic Energy-Saving

16 Bar Zero Air Loss Compressor Drain – Automatic Energy-Saving

US$28.00-56.00
1 pieces(MOQ)
Automatic Cleaning Function Zero Air Loss Condensate Drain

Automatic Cleaning Function Zero Air Loss Condensate Drain

US$28.00-56.00
1 pieces(MOQ)
with Automatic Cleaning Function Zero Air Loss Condensate Drain

with Automatic Cleaning Function Zero Air Loss Condensate Drain

US$28.00-56.00
1 pieces(MOQ)
16 Bar Automatic Electronic Timer Drain for Air Compressors

16 Bar Automatic Electronic Timer Drain for Air Compressors

US$19.00-20.00
1 Piece(MOQ)
for Industrial Use Automatic Zero Air Consumption Drain

for Industrial Use Automatic Zero Air Consumption Drain

US$28.00-56.00
1 pieces(MOQ)
Reliable Solution Automatic Zero Air Consumption Drain Valve

Reliable Solution Automatic Zero Air Consumption Drain Valve

US$28.00-56.00
1 pieces(MOQ)
Automatic Zero Air Consumption Drain Valve Reliable Solution for Industrial Use

Automatic Zero Air Consumption Drain Valve Reliable Solution for Industrial Use

US$28.00-56.00
1 pieces(MOQ)
Wk-58 Zero Air Loss Mechanical Automatic Drain Valve

Wk-58 Zero Air Loss Mechanical Automatic Drain Valve

US$28.00-56.00
1 pieces(MOQ)
Jorc High Pressure 40 Bar Timer Electronic Auto Drain

Jorc High Pressure 40 Bar Timer Electronic Auto Drain

US$36.00-38.00
1 pieces(MOQ)
Jorc High Pressure 40 Bar Timer Electronic Auto Drain with Solenoid Valve

Jorc High Pressure 40 Bar Timer Electronic Auto Drain with Solenoid Valve

US$19.00-21.00
25 pieces(MOQ)
16 Bar Time Electronic Auto Drain with Brass Body with Ss Mesh

16 Bar Time Electronic Auto Drain with Brass Body with Ss Mesh

US$19.00-21.00
25 pieces(MOQ)
16 Bar Durable Zero Air Loss Drain Design for Compressed Air Applications

16 Bar Durable Zero Air Loss Drain Design for Compressed Air Applications

US$28.00-56.00
1 pieces(MOQ)
Dostar Industry Material(Wuxi) Co., Ltdmic-icon
Satisfies 2/2 of your requirements

Sourcing guidance for Air Compressor Auto Drain

What are the key technical specifications to consider when selecting an auto drain valve?

When sourcing an auto drain, you must prioritize operating pressure (typically up to 16 Bar) and temperature resistance (up to 90°C). Ensure the orifice size is sufficient to prevent clogging from oily sludge. For electronic timed versions, verify the IP65 protection rating for moisture resistance and the adjustable interval/discharge time settings to match the compressor's condensate output.

How do I choose between electronic timed, float-type, and zero-loss drains?

Electronic timed drains are cost-effective and reliable for general use but can waste compressed air. Float-type (mechanical) drains require no electricity, making them ideal for remote areas, though they are prone to clogging. Zero-loss (level-sensing) drains are the premium choice for large-scale industrial operations as they eliminate air wastage, providing the highest energy efficiency and ROI despite a higher initial cost.

What compliance standards and certifications are mandatory for international trade?

Since these are pressure-bearing components, look for CE marking for the European market and UL/CSA certification for North America. Ensure the solenoid coils meet RoHS standards for hazardous substances. For high-pressure systems, suppliers should provide ASME-compliant pressure vessel certifications if the drain includes an integrated reservoir.

What are the typical usage scenarios and installation requirements?

Auto drains are essential for air tanks, refrigerated dryers, and filter housings. Installation must include a manual ball valve (isolation valve) and a Y-strainer upstream to protect the auto drain from large debris. Always confirm the thread type (NPT vs. BSP) to ensure compatibility with your existing piping system.

Cross-Border Procurement & Risk Management for Auto Drains

How can I mitigate the risk of receiving defective or low-quality valves?

Request a pre-shipment inspection (PSI) focusing on a leakage test and cycle test. For electronic drains, ask the supplier to provide a video of the solenoid actuation. Using Made-in-China.com's Secured Trading services can protect your payment until the goods are verified against your quality specifications.

What are the best strategies for negotiating with industrial component suppliers?

Focus on Total Cost of Ownership (TCO) rather than just the unit price. Negotiate for spare parts kits (seals and diaphragms) to be included in the bulk price. For orders exceeding 500 units, aim for a 15-20% discount and request OEM branding/labeling at no additional cost to enhance your brand equity.

What should I consider regarding international shipping and customs for these items?

Auto drains are relatively heavy but compact; LCL (Less than Container Load) sea freight is usually the most economical for bulk. Ensure the HS Code (typically 8481.80) is correctly declared to avoid customs delays. If the drain contains a battery for memory backup, ensure the supplier provides a Material Safety Data Sheet (MSDS) for air freight compliance.

How do I ensure transaction security when dealing with new overseas suppliers?

Always verify the supplier's Business License and Audit Reports on Made-in-China.com. Use Escrow-based payment methods where funds are only released upon proof of shipment (Bill of Lading). Avoid direct wire transfers to private accounts; always use the registered corporate account of the manufacturing entity.

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