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Yangzhou Kaidesi Environmental Protection Equipment Co., Ltd. specializes in the development of electric valves and electric actuators

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Material list of common parts for explosion-proof electric actuators

发表时间:2018-05-02 12:49:15 Article source: Publication time: 2018-05-02 12:49:15

The use of explosion-proof electric actuators is very wide, so many valve materials on the market will be different due to different manufacturers. There are two kinds of materials for producing butterfly valves: soft materials and hard materials. The butterfly valve products produced by these two materials are similar and have their own advantages.

Other explosion-proof electric actuators will have a layer of metal oxide on the surface. Why is this?
We know that the reason for the butterfly valve to corrode is nothing more than the intervention of air, and this layer of oxide blocks the air very well, which makes the corrosion rate of the valve slow down. Therefore, this process is used in many explosion-proof butterfly valve processing plants. The editor below attaches a table of common explosion-proof electric actuator production materials, hoping to bring you some help.
Applicable working degree of internal material ℃
304-268 ~ 316
316-268 ~ 316
Bronze -273 ~ 232
Inconel -240 ~ 649
K Monel alloy -240 ~ 482
Monel alloy -240 ~ 482
Hastelloy alloy B-198 ~ 371
Hastelloy C-198 ~ 538
Titanium alloy-29 ~ 316
Nickel-based alloy -198 ~ 316
20 alloy -46 ~ 316
416 stainless steel 40RC-29 ~ 427
Applicable working degree of internal material ℃
440 stainless steel 60RC-29 ~ 427
17-4PH-40 ~ 427
No. 6 alloy steel (Co-Cr) -273 ~ 816
Electroless nickel plating -268 ~ 427
Chrome plating -273 ~ 316
Nitrile rubber -40 ~ 93
Fluorine rubber-23 ~ 204
Teflon
Nylon-73 ~ 93
Polyethylene-73 ~ 93
Neoprene-40 ~ 82
Production material table of explosion-proof electric actuator
In addition, the sealing surface of the explosion-proof electric actuator must be corrosion-resistant, impact-resistant, wear-resistant, have sufficient compressive strength, high temperature resistance, and the sealing surface must have a similar coefficient of linear expansion to the valve body and good welding performance And processability.

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