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China Micro-resistance Butterfly valve lever operated Manufacturers, Suppliers, Factory

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    Milestone is one of the famous China Metal seated gate valve with Emergency Whistle manufacturers and suppliers. Metal seated gate valve is primarily designed for the flow isolation of a length of pipeline or piece of equipment. It uses a ductile iron gate that houses bronze rings to ensure a watertight seal. Metal seated gate valvefor water and neutral liquids,to max. 70°C.
  • 2 inch Brass Ball Valve

    2 inch Brass Ball Valve

    China 2 inch Brass Ball Valve Factory Directly Supply. Milestone is 2 inch Brass Ball Valve manufacturer and supplier in China. The 2 inch brass ball valve is mainly used in the pipeline to control and regulate the flow of medium, which is suitable for water, oil and non-flammable gas. The valve is connected with the pipe by thread connector. And the valve body is made of brass material.attachments such as flat surface cleaners, extension wands, and water brooms. These pressure washer ball valves are great time savers.
  • Butterfly Valve Flange Type

    Butterfly Valve Flange Type

    Our range of general purpose Butterfly valve flange type have been designed to provide a cost effective solution to your flow control and product shut-off requirements. Available in sizes from 200mm to 1000mm bore as standard- Smaller sizes available but minimum quantities apply.
  • Undergroud Gate Valve

    Undergroud Gate Valve

    The undergroud gate valve adopts no cavity structure, the inner and outer surface of the valve body and cover is sprayed with epoxy resin coating, and the surface of the gate is coated with rubber, which fundamentally eliminates the possibility of corrosion.
  • Cryogenic Ball Valve

    Cryogenic Ball Valve

    Cryogenic ball valve is designed for low temperature and other cryogenic application. The valves have the structure of integral bonnet extension which prevents cryogenic liquids from reaching the stem packing by enabling the liquids to boil and convert to gas. This minimizes the energy loss along the extension and protects the valve from malfunctioning.
  • Thread Ends Full Bore 4 inch Brass Ball Valve

    Thread Ends Full Bore 4 inch Brass Ball Valve

    A Thread Ends Full Bore 4 inch Brass Ball Valve is a form of quarter-turn valve which uses a hollow, perforated and pivoting ball to control flow through it. As the professional manufacturer, we would like to provide you Thread Ends Full Bore 4 inch Brass Ball Valve.And we will offer you the best after-sale service and timely delivery.The ball has 4 inch(100 mm)nominal diameter.
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  • What are the Common Materials of Valves?

    Gray cast iron: gray cast iron is suitable for water, steam, air, gas, oil and other media with nominal pressure of PN ≤ 1.0MPa and temperature of - 10 ℃ ~ 200 ℃. The common models of gray cast iron are HT200, HT250, HT300 and ht350.

  • Gate valve type

    There are many domestic manufacturers of gate valves, and most of the connection sizes are not uniform. Mainly divided into the following categories: 1. Standard valves produced by the Ministry of Machinery according to JB/T2203-1999 "Structure Length of Gate Valves"; 2. National standard valves produced according to GB/T12221-2005 "Structure Length of Metal Valves"; 3. American standard valves produced by ASME B16.10-2009 "Face-to-face and end-to-end dimensions of valves".

  • Globe valve or gate valve for high pressure steam? Which one is better?

    Because steam is generally a high-temperature medium, butterfly valves and ball valves are not suitable, and diaphragm valves and knife gate valves are even more inappropriate. The most commonly used on-off valves for steam are gate valves and globe valves.

  • What Type of Valve Seat Should I Use

    Some butterfly valve seat characteristics overlap with others. Below is a side-by-side comparison of these materials.

  • Why are Triple Eccentric Butterfly Valves More and More Widely Used

    Many industries require more and more valves. If double eccentric butterfly valve are required to withstand high temperature, hard seal must be used, but the leakage of hard seal butterfly valves is large; If the valve is required to leak zero, the valve must be soft sealed, but the soft seal butterfly valve is not resistant to high temperature.

  • Soft seal butterfly valve product features

    The connection between the butterfly plate and the valve stem adopts a pinless structure, which overcomes possible internal leakage points.

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