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High Quality Ball Valve Factory China - Double Block And Bleed Ball Valve – Nortech

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What is Double Block And Bleed Ball Valve ?

Double Block And Bleed Ball Valve is a combination of one or more block/isolation valves, usually ball valves, and one or more bleed/vent valves, usually ball or needle valves. The purpose of the block and bleed valve system is to isolate or block the flow of fluid in the system so the fluid from upstream does not reach other components of the system that are downstream. This enables the engineers to bleed off or vent or drain the remaining fluid from the system on the downstream side in order to execute some kind of work (maintenance/ repair/ replacement), sampling, flow diversion, chemical injections, integrity check for leakage etc.

Double Block And Bleed Ball Valve Technical Specifications

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What is the Double Block And Bleed Ball Valve used for?

This kind of  Double Block And Bleed Ball Valve  is widely utilized in the exploiting, refining and transporting system of oil, gas and mineral. It can be also utilized to produce chemical products, medicine; production system of hydroelectricity, thermal power and nuclear power; draining system,

heating system and gas system in cities or industries.


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High Quality Ball Valve Factory China - Double Block And Bleed Ball Valve – Nortech detail pictures

High Quality Ball Valve Factory China - Double Block And Bleed Ball Valve – Nortech detail pictures


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No matter new customer or outdated client, We believe in extensive phrase and trusted relationship for High Quality Ball Valve Factory China - Double Block And Bleed Ball Valve – Nortech, The product will supply to all over the world, such as: Jakarta, Nepal, Palestine, The working experience in the field has helped us forged a strong relations with customers and partners both in domestic and international market. For years, our products and solutions have been exported to more than 15 countries in the world and have been widely used by customers.
  • The customer service staff's attitude is very sincere and the reply is timely and very detailed, this is very helpful for our deal,thank you.
    5 Stars By Kristin from Liberia - 2018.12.14 15:26
    The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
    5 Stars By olivier musset from Lithuania - 2017.05.02 11:33

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