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By Material

Gate Valve By Material

When selecting the valve material of the gate valve, the material should be determined according to the actual conditions of working conditions such as temperature, pressure & medium. The material of ZECO gate valve includes, but is not limited to stainless steel, carbon steel, forged and cryogenic.

Water, oil, natural gas, steam, and other non-corrosive media the most commonly used material of valve body, valve bonnet, and the wedge is A216 WCB, and after NACE MR-01-75 or NACE MR-01-03 treatment, A216 WCB material is also often used in the condition of slight corrosion. One thing to note, however, is that the temperature range of A216 WCB is -29℃ to 425℃. 


Gate Valve for Sale List by Material

Material Choices of Gate Valve

Like high-temperature conditions, the medium is high-temperature steam or hot air conditions, usually, the choice of materials for high-temperature-resistant materials such as A217 WC6, A217 WC9, the temperature range of A217 WC6 & A217 WC9 is -29℃ to 593℃.

A352 LCB, A352 LCC is usually used for a low-temperature application, usually, the medium is of low-temperature but over -46℃ or through conduit gate valve is installed outdoor in area of a cold environment. But these materials can not be used for high-temperature over 345℃.

A351 CF8, A351 CF8M, A351 CF3, A351 CF3M, these austenitic stainless steel are anti-rust and anti-corrosion, suitable for the medium of various kinds of acid. A351 CF8, A351 CF8M, A351 CF3 & A351 CF3M can be used in most low temperature conditions, but it needs cryogenic treatment. It can also be used in most high-temperature conditions, but there are corresponding standards for carbon content.

Aluminum-bronze like B148 C95800, B62 C83600, B283 C61300, and other Al-bronze are perfectly suitable for seawater application.

Duplex Steel A890 4A, A890 5A, SAF2205, S31803 and super duplex steel A890 6A, SAF2507, S32750 have similar application range of Al-Bronze, they have good resistance to chloride corrosion, so they are widely used for seawater application and produced water application.