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OEM&ODM Check Valve 23 years-DA Valve

Specializing in the production of rubber disc check valve, swing check valve, wafer check valve, backflow preventer, brass check valve and other products.
ISO9001/14001/45001/CE Approved / WRAS & ACS Approved / Australian Watermark/BV type approval certificate

Check Valve Series Products

Provide check valves and backflow preventers for municipal engineering and water supply pipelines……

Low resistance backflow preventer

Reduced Pressure Backflow Preventer

Rubber disc check valve

Swing check valve

Wafer check valve

Brass hard seal check valve

Brass vertical check valve

Slient check valve

About our factory

Zhejiang DA Control Technology with its headquarters in Zhejiang, China, is one of the leading suppliers in valve industry. Founded in 1998, the company employs approximately 1,500 people with above 100,000 square meters of factory area, which can offer over 4,000,000 pcs products per month in general. Our core business covers brass valves, iron valves, forging steel valves, cartridge valve, precision fittings for water supply and drainage, hvac, nuclear power station, hydraulic control system, of which the products are comply with ISO9001, ISO14000, ISO45000,OHSAS,CE standard, etc. Consistent focus on market and customer needs enable us a partner which offers systematic solution in valve for comfort, environment protection, safety and intelligence in fluid control field.

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Ductile iron valve workshop

1 Valve casting production line

Valve casting production line

2 Rough workshop

Rough workshop

3 Fine processing workshop

Fine processing workshop

4 CNAS certification laboratory

CNAS certification laboratory

5 Gate valve workshop

Gate valve workshop

6 Large diameter valve workshop

Large diameter valve workshop

7 Epoxy resin spraying line

Epoxy resin spraying line

8 Hydraulic Computing Laboratory

Hydraulic Computing Laboratory

Why choose DA Valve?

We are a factory that values customer satisfaction.We always strive to produce and provide valve products that meet all your needs.

  • China’s top 3 valve manufacturers, with 3 valve production bases and 1,500 employees.
  • Top 3 valve patents in China.
  • Long term parterns with the famous enterprises on the world.
  • CNAS certification laboratory and hydraulic calculation laboratory.
  • Single product identification quality traceability technology and visual management system
  • World-class water hammer analysis system and expert team.
  • With nodular cast iron casting and brass forging production lines, quality is controlled from the source.
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The whole process of manufacturing ductile iron valves

This is what we do in manufacturing ductile iron valves:

1 Mold design and produce
1: Mold design and produce

We can design and open mold for you based on your requirement.

2: Valve casting

Our casting capicity more than 20,000 tons.

3: Raw material test

Direct reading spectrometer, ultrasonic flaw detector, Front rapid analysis instrument

4: Rough machining

We will control the surface defects of valve castings to ensure the quality of castings.

5: Fine processing

We have more than 100 sets machining equipment , Casting capacity:500,000 tons

6: Epoxy spraying

We have a professional automatic spray line.

7: Valve assembly

Our output more than 200,000sets/annual ductile iron valve.

8: Valve test

We 100% ensure every pc valve passes standard tests.

Estimated manufacturing and shipping time

STEP 1:Production

When order confirmed with advance payment. Best delivery time 23days for normal order.

STEP 2:Packing

Packing in ply-wooden case for normal order need 2days.

STEP 3:Loal Shipment

From our factory to Shanghai port 1days. From our factory to Ningbo port 2days,From our factory to Qingdao port 2days.

STEP 4:Ocean shipping

We will booking shipment for customer 7days before goods ready.

Our business partner

DA valve is your most trusted partner,The longest cooperation has been 20 years.

Our Project

Our engineering cases are all over the world to create high-quality and low-cost valve application solutions.

Our certification

ISO9001/14001/45001/CE Approved / WRAS & ACS Approved / Australian Watermark/BV type approval certificate

Frequently Asked Questions

In order to avoid your worries, here are some facts you need to know about our cooperation:

What is the payment terms?

We can accept T/T ,DP,DA,L/C payment terms,Any special requirement please feel free to contact us.

What is the packing?

Our valves packed in ply-wooden case,suitable for ocean shipment.

What is the best delivery time?

For normal order delivery time is 25days,The accurate delivery time based on the order quantity.

Can you provide free samples?

Yes,we can provide 1 or 2 pc free samples. and we not bear the express cost.

What is the MOQ?

Our MOQ is 1pc,But we are manufacture,more quantity the price will be more competitive.

You are manufacture or trade company?

We are professional valve manufacture more than 20years. we can produce most of valve in water system.

Contact DA Valve to Start Your Business

Have a look at how some of our clients perceive our goods and services:

Ask For A Quick Quote

We will contact you within 1 working day, please pay attention to the email with the suffix “@dafm.cn”.

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