Plastic air release valve

1. Dual-acting fuction for air release and vacuum relief automatically.

2. Discharge air when irrigation system start on, and intake air when shut off.

3.  Installed on the highest point of irrigation watering system to minimize the collapse of mainline and submain pipes

4.  Reduce the chance of water hammer caused by a sudden reversal of water flows.

5. Allow air to escape during system start-up and prevent air restrictions.

6. Trapped air bubbles can damage pumps (via cavitation) and disrupt flow rates and pressure.

1. Fast Delivery: around 10 days below 500Metric Tons after sight of Irrevocable L/C or Deposit;( lots of high quality products are in stock)

2. Quality Assured: Strictly acc. To International standard ASTM & BS & EN & JIS, with System ISO certification

3. Good Service: supplied professional technical guide free of charge at anytime;

4. Reasonable Price: to be better support your business.

We are one of the leading manufacturers of ductile iron pipe,pipe fittings,dismantling joints,flanged adaptors, couplings, valves, water meter,manhole covers,steel flanges , steel pipe,steel pipe fitting,PVC pipe,PVC pipe fitting,PE pipe,PE pipe fitting,rubber O-rings, , fasteners, pumps, motor shells and other castings and forgings. Our products are made according to different standards, such as ISO2531, EN545, EN14525, ISO4422, ISO7005, DIN3352, BS5163, DIN3202, BS2494, BS4504, EN124 and other relevant ISO, EN, BS, DIN and ANSI standards. Moreover, our products have been selling well in European, Middle East, Southeast Asian, South African and South American countries for more than 10 years. We can also make the castings and forgings according to customers' drawings or samples. Presently, we are looking forward to your inquiries and to establishing long term cooperation relationship based on mutual benefits.  

1. Can I get free samples?
A: Yes, we can provide you the free samples, but you need to bear their own delivery costs.

2. Can I request to change the form of packaging and transportation?
A: Yes, We can change the form of the packaging and transportation according to your request, but you have to bear their own costs incurred during this period and the spreads.

3. Can I request to advance the shipment?
A: It should be depends on whether there is sufficient inventory in our warehouse.

4. Can I have my own Logo on the product?
A: Yes, you can send us your drawing and we can make your logo, but you have to bear their own the cost.

5. Can you produce the products according to my own drawings?
A: Yes, we can produce the products according to your drawings that will be most satisfy you.

6. Which price terms could accepted?
A: FOB,CIF all acceptable.