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Van cửa thép12" hiệu Zeco (12 inch Gate Valve)

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Van cửa thép12" hiệu Zeco (12 inch Gate Valve)


Gate valve 12 inch is a common valve size in pipelines.

What is 12 Inch Gate Valve?

The valve body of ZECO 12 inch gate valve is straight through the structure, which is similar to the straight pipe in the fully open state, to ensure the minimum flow resistance and swirling flow, and reduce the cost on the user’s pipeline. There are two ways to connect the valve body and bonnet, one is the bolt connection of valve body bonnet, the other is the pressure self-sealing structure, the interior of the valve body of both kinds of structure is the same, there is a guide rail to allow the gate fixed movement, not caused by deviation from the impact of sealing problems. Bonnet and bracket are integral and split, depending on the size of the gate valve, usually 10 “or less is one piece only bonnet & yoke and 10” or more is bonnet yoke split.

Features of 12 Inch Gate Valve:

  • ZECO technical engineers have fully considered the difficulty of after-sales service, so they developed the structure that can be maintained online, such as renewable valve seat, online replaceable packing, online replaceable hand wheel, etc., so as to facilitate the maintenance of after-sales personnel;
  • The wedge of ZECO 12 inch gate valve is ground to a mirror surface before assembly to ensure that it fits tightly with the seat ring and does not get stuck;
  • The valve stem sealing of ZECO 12 inch gate valve is realized by the collaboration of flexible and woven graphite, ensuring a more reliable tightness;
  • ZECO 12 inch gate valve has a good sealing performance at high temperature, and a wedge valve is not easy to jam after heating. Suitable for steam, high-temperature oil, oil, gas, and other media, as well as frequent switching components.Not suitable for easily coking media.

Applications of 12 inch Gate Valve

12 inch Gate valves can be found anywhere an economical shut off is required. Gate valves are ideal for any application that involves slurries as the gate can cut right through. Gate valves are also common in applications using liquids like heavy oils, light grease, varnish and other non-flammable liquids.

Dimensions & Weight of 12″ Gate Valve

Pressure Rating  Bore  Face to Face Dimension(in mm)    Weight
(in mm) RF BW RTJ kg
CLASS 150 300 356 502 368 290
CLASS 300 300 502 502 518 486
CLASS 600 298 838 838 841 1068
CLASS 900 282 965 965 968 1542
CLASS 1500 263 1130 1130 1146 3816
CLASS 2500 218 1422 1422 1445 6500

Material of 12 Inch Gate Valve:

No Part Material
1 Body ASTM A217 WC9
2 Seat Ring ASTM A182 F22 + STL
3 Wedge ASTM A217 WC9 + STL
4 Stem ASTM A276 420
5 Bonnet Gasket Graphite + SS316
6 Bonnet Bolt ASTM A193 B16
7 Bonnet Nut ASTM A194 4
8 Bonnet ASTM A217 WC9
9 Backseat ASTM A182 F6a
10 Stem Packing Reinforced Graphite
11 Handwheel KTH330-08

12 inch Gate Valve Supplier

As an API 6D and API 600 certified valve company, ZECO Valve specializes in gate valves, which are available in sizes ranging from 1″ to 88″ in addition to 12 inch gate valve.



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