Manufacturing Compressed Air High Quality Unloader Valve for Atlas Copco
Product information |
Jiubei Intake Valve with rational, beautiful and environmentally friendly design. Rigorous treatment on noise reduction, opening, closing, and sealing. Large units using piston-type cylinder make the valve performance with high efficiency, low energy consumption, and extended life.
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Model | JJ-40L | JJ-50L | JJ-65L | JJ-85L | JJ-120L | JJ-160L |
Nominal Diameter (mm) | 40 | 50 | 65 | 85 | 120 | 160 |
Adjust | When unloading, pressure can be adjusted. | |||||
Control system | 1. Check valve model 2. Switch model 3. Adjusting model | |||||
Flange (Φ:mm) | 4-Φ9-TKΦ104~Φ116 | 4-Φ17-TKΦ135~Φ150 | 4-Φ17-TKΦ143~Φ170 | 4-Φ17-TKΦ160~Φ180 | 8-Φ17-TKΦ210~Φ225 | 12-Φ18-TKΦ280~Φ295 |
Max Flow (m³/min) | 2.5 | 5 | 8 | 14 | 25 | 46 |
Max pressure | 15(bar) | |||||
Solenoid Valve | AC220V 50/60HZ (can be custom-made as per your need) | |||||
Air inlet Diameter (mm) | Φ48 | Φ62 | Φ78 | Φ100 | Φ150 | Φ190 |


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Packing & Shipping |
air compressor spare parts packing and shipping
1. express
2. air freight
3. sea freight
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Company information |

Business range:
Airend, Used air compressor, Oil free spare parts
Shaft Seal / Sleeve
Temperature Sensor / Pressure Sensor
Solenoid Valve / Thermostat Valve / Air intake Valve / Minimum Pressure Valve / Blow Off Valve
Wheel Gear / Oil Level Indicator / Master Controller
Preventive Maintenance Kits / Air Filter / Oil Filter / Oil separator / Filter element / Compressor Oil
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FAQ |
Q1. What's Minimum Order Quantity of your air compressor part?
The MOQ is 1pc for any air compressor spare parts, need you pay for the delivery cost.
Q2. What's kind of your packaging for the air compressor part?
Neutral packing or brand pack as your requirement
Q3. Could I get some samples?
Yes, we can provide sample, but not free.
Q4. How long is your Delivery Lead Time ?
If there is stock, the lead time is about 2 WORKING DAYS after we get the payment, if need to be produced, it depends.
Q5. Could you Calculate the shipping cost for me?
Yes, we are honored to do that for you! Before the freight, please well let us know which seaport or airport near your place.
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Q6. What's the delivery way?
Shipping way: air freight, express, sea
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 Q7. What's the payment?
We accept T/T, WESTERN UNION, PAYPAL, RMB, MONEYGRAM, please advise which is better for you.
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