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Reasonable price Stainless Steel Floating Ball Valve - Fully Welded Ball Valve API6D CLASS 150~2500 – Nortech

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It is a great way to further improve our products and repair. Our mission is always to create innovative products to prospects with a superior expertise for Flexible disc swing check valve , ATEX trunnion mounted ball valve , Motorized Gate Valve , With a wide range, top quality, reasonable rates and stylish designs, our products are extensively used with this industries and other industries.
Reasonable price Stainless Steel Floating Ball Valve - Fully Welded Ball Valve API6D CLASS 150~2500 – Nortech Detail:

What’s full welded ball valve?

Nortech Full Welded Ball Valve is developed by the engineering technical personnel from the factory with more than 30 years experience in design and manufacture of high-pressure valve and international latest technical standard,it is mainly applied for the long distance pipeline transportation of petrol,natural gas and gas pipeline system in cities.Because of the special characteristics of underground type ball valve,the capability to endure pipeline stress, safety,weather resisting property and long run reliability is fully considered when designed.

Main features of full welded ball valve

1.lntegral Valve Structure

It is full welded by forged steel.The forging materials are subjected to ultrasonic examination according to ASME non-destructive examination(NDE) flaw detection requirements.The buttweld ending is subjected to particle penetration examination,RT services available.

 2.Corrosion Resistance and sulfide Stress Resistance

Certain corrosion allowance is reserved for the body wall thickness,in consideration of corrosion.The carbon steel stem,fixed shaft,ball,seat and seat retainer ring are subjected to chemical nickel plating according to ASME B733 and B656.In addition,various corrosion resistant materials are available for users to select.According to customers’ request,the valve materials could meet the requirements of NACE MR 0175/1S0 15156 or NACE MR 0103,and strict quality control and quality inspection should be carried out during the manufacturing process so as to fully meet the requirements in the standards and meet the service conditions in sulfurization environment.

3.Integral Valve Structure

During the manufacturing process of the fully welded pipeline ball valve,the transition pipe can be welded for the welding ends valve.The transition pipe can be provided by users or by NORTECH,as per users request. Please indicate the transition pipe diameter and length A when placing orders.

4. Stem Seal

To ensure good tightness,the 3 layers stem seal is designed to prevent leakage in different working conditions.

full welded ball valve stem seal

5. Seat structure

According to customer’s request,the seat can be designed as DBB,DIB-1,DIB-2,to meet with requirements of different working conditions.

Technical specification of full welded ball valve

Full welded ball valves

Design and manufacturer API6D
Body Material Forged carbon steel,stainless steel,alloy steel
Nominal diameter 6″-40″(DN150-DN1000)
End connection BW,Flanged
Pressure rating 150 – 1500 LB (PN16-PN320)
Operation Lever,Gearbox,Electric,Pneumatic,Electro Hydraulic Actuator,Gas Over Oil Actuator.
Working temperature -46℃-+200℃

full welded ball valve material list 2

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What is the Fully Welded Ball Valves used for?

This kind of  Fully Welded Ball Valves  is widely utilized in petrol,oil,natural gas,gas pipeline and long-distance transport pipes.


Product detail pictures:

Reasonable price Stainless Steel Floating Ball Valve - Fully Welded Ball Valve API6D CLASS 150~2500 – Nortech detail pictures

Reasonable price Stainless Steel Floating Ball Valve - Fully Welded Ball Valve API6D CLASS 150~2500 – Nortech detail pictures

Reasonable price Stainless Steel Floating Ball Valve - Fully Welded Ball Valve API6D CLASS 150~2500 – Nortech detail pictures


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We have now sophisticated machines. Our solutions are exported to the USA, the UK and so on, enjoying a great reputation amid consumers for Reasonable price Stainless Steel Floating Ball Valve - Fully Welded Ball Valve API6D CLASS 150~2500 – Nortech, The product will supply to all over the world, such as: Honduras, Porto, Oman, Establish long term and win-win business relationships with all our customers, share the success and enjoy the happiness of spreading our products to the world together. Trust us and you will gain more. Please feel free to contact us for more information, we assure you of our best attention at all times.
  • The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
    5 Stars By Dana from Nepal - 2018.09.23 17:37
    We are really happy to find such a manufacturer that ensuring product quality at the same time the price is very cheap.
    5 Stars By Andy from South Korea - 2018.06.18 17:25

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