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Electric Welding Globe Valve Electric Device

Time:2019-08-05 15:33:02
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Characteristics of Electric Globe Valve
The sealing surface of disc and seat is made of hard overlay welding, which is wear resistant, high temperature resistant, corrosion resistant, good abrasion resistance and long service life.
(2) The material of the valve stem is nitrided steel. The surface of the valve stem after nitriding has high hardness, wear resistance, abrasion resistance and corrosion resistance.
(3) Because of temperature and pressure, the body and cover with diameters below DN50 are forged, the body and cover with diameters above DN65 are cast steel.
(4) The valve body material variety is complete, fillers and gaskets can be reasonably selected according to actual working conditions or user requirements, and can be applied to various pressure, temperature and medium working conditions.
_When installing the valve, pay attention to the flow direction of the medium, and install it strictly in the direction indicated by the arrow of the flow direction of the valve.
_Electric globe valve is installed vertically as far as possible and the stem is up.

Other models

Electric Power Globe Valve Electric Globe Valves Our company company other models: J941H-10C DN32/ J941H-10C DN40/ J941H-10C DN40/ J941H-10C DN50/ J941H-10C DN50/ J941H-10C DN65/ J941H-10C DN80/ J941H-10C DN100/ J941H-10C DN125/ J941H-101H DN125/ J941H-10C DN150/ J941H-10C DN150/ J941H-10DN200/ J941H-10DN250 J941H-10DN250 J941H-10DN250/ J941H-J941DN250 J941H-J941H-941H-400/J941H-10C DN450/J941H-10C DN500/J941H-10C DN500/J941H-10C DN600/J941H-10C DN700/J941H-10C DN800/J941H-10C DN900/J941H-10C DN1000

Structural Characteristics of Electric Globe Valve
1. Connection form of valve body and bonnet: PN10-64 adopts bolted bonnet; PN64-320 adopts self-pressure sealed bonnet.
2. Stem nuts: Usually, the material of stem nuts is ASTM A439 D2. At the same time, copper alloy and other materials can be used according to user's requirements. For large-caliber globe valves, rolling bearings can effectively reduce the opening moment of globe valves so that the valves can be easily switched on and off.
3. Stem design: It is made by integral forging process, and the minimum diameter is determined according to the standard requirements.
Cover gasket form: PN10-64 globe valve uses stainless steel graphite wound gasket; PN100 globe valve can use stainless steel graphite wound gasket or metal ring gasket; PN160 globe valve can use metal ring gasket, PN320 globe valve uses self-pressure sealed metal ring.
4. Structural features of globe valves: bolted bonnet, open stem bracket and lifting stem metal cover.
5. Upper Seal Seat Design: All the globe valves provided by our company have reverse sealing design. Usually, the carbon steel globe valve seat design adopts separate reverse sealing structure, and the reverse sealing surface of stainless steel globe valve is very reliable. Although there is an inverted seal in standard API600, this is not the basis for replacing fillers under pressure.
6. Packing Seal: Formed flexible graphite is usually used as filling material, PTFE or composite filling material can be provided according to user's needs. The surface roughness of the contact between packing and packing box is 3.2u m, which can ensure that the stem and packing contact surface are closely connected but rotate freely. The precision machined surface roughness of the stem seal surface is 0.8u m, which can ensure the reliable sealing of the stem.
7. Seats: Carbon steel globe valve seats are usually made of forged steel. Seat sealing surface can be sprayed with carbide according to customer's requirements. Separate threaded swivel seats are used for NPS < 10 cut-off. Seat structure can also be provided if user needs to weld; NPS < 12 globe valve seats are welded; Stainless steel globe valve seats are used for 1. Generally, the valve seat is directly processed by integral or carbide welding on the body.  Stainless steel globe valve seats can also be separated threaded and welded if required by users.

Electric globe valve is one of the main products of our company. In addition, our company also produces: Siemens 2SA3 series actuators, Siemens 2SQ3 series electric actuators, LCD remote control series valve electric devices, non-intrusive series valve electric devices, intelligent integration series valve electric actuators, explosion-proof series valves. Electric device, DZW multi-rotation series electric device, DQW partial rotation series electric valve device, partial rotary fine small electric actuator and complete series of electric valve, electric gate valve, electric shutoff valve, electric ball valve, electric butterfly valve, electric regulating valve and various control box series have complete specifications. Widely used in power, steel plant, petroleum, metallurgy, chemical industry, building and water supply and drainage automation industry engineering.

Electric globe valve quality assurance, welcome to inquire!

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