Gp240gh Rising Stem Gate Valve

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DIN WCB/GS-C25/GP240GH Rising Stem Gate Valve

Specification:

Size: DN15-DN1200

Model:Z40H
Pressure: PN16-PN250
Material: WCB, LCB, WC6, WC9, C12, C5, CF8, CF3, CF3M, CF8M.Etc

Type: Rising Stem and Wedge Single Disc, Solid or Flexible wedge, flat gate.

Operation: Handwheel, gear worm ,Electric operated

Standard:
Design & Manufacture Std.: GB/T12234,DIN3352,GOST 12820-80,Etc.

Face to Face Std.: GB/T12221,DIN3202,Etc.

End Connection Std.: JB/T79,DIN2543-2550,GOST 12820-80,Etc.

Test Standard: ISO5208, API 600, BS 6755

Full Port Design, OS&Y, Outside and Screw, Bolted bonnet, Back Seal Structure
Flexible wedge, Fully guided, Choice of Solid or Split wedge
Renewable or welded seat
Extended stem design for low temperature
Flanged or Butt-welding ends

Q:What are the common standards for gate valves?: Is the gate valve opening and closing parts, RAM direction of motion perpendicular to the direction of the fluid, valve can only be fully open and fully closed, can not be adjusted and the throttle. The following common standards for Fujian Biaoguang valve for valve: design specification: JB/T 7746, API602 JB/T 7746, the length of the structure specification / thread socket factory test and inspection of JB/T1751/GB7306, ANSI: B16.11/B2.1: JB/T 9092, API598 pressure temperature: GB/T 9131, ANSI B16.34, MSS GB/T 12220 product ID: SP25 delivery specification: JB/T 7928

Q:Installation and operation instructions of knife gate valve: 5., when installing the valve, users must reserve the necessary space for valve actuation;The wiring of the 6. driving device shall be carried out according to the wiring diagram;7. knife gate valve must be regularly maintained, shall not be arbitrarily collision and extrusion, so as not to affect the seal.

Q:What is the difference between gate valves Z41W-16R and Z41W-16P?: According to JB/T308P stands for Cr-Ni stainless steelR stands for Cr-Ni-Mo stainless steelCr-Ni stainless acid resistant steel has CF8, CF3, F304, F304L, which applies to the medium of work, such as nitric acid oxidation acid.Cr-Ni-Mo stainless acid resistant steel has CF8M, CF3M, F316 and F316L, which is suitable for working medium, such as acetic acid and reducing acid.

Q:The valve safety valve check valve + + + = exposed part of a water pump adapter? Five: There is integration now.Pump adapter SQ100. All contain.

Q:The difference between flanged gate valve and common gate valve: Flange valve: English name; Flange Gate Valve is the gate opening and closing parts, RAM direction of motion perpendicular to the direction of the fluid, valve can only be fully open and fully closed, can not be adjusted and the throttle. Gate has two sealing surface, the most commonly used mode gate valve of the two sealing surface to form a wedge, wedge angle with valve parameters vary, usually 50, medium temperature is not high when 2 degrees 52'. Wedge gate valve can be made into a whole, called the rigid gate; can also be made to produce micro deformation of ram, in order to improve its process of deviation, make up the sealing surface angle in the process, the gate is called the flexible gate.Ordinary gate valve: mainly used to connect or cut off the medium in the pipeline, not applicable to regulating medium flow. Gate valve applies to pressure, temperature and caliber range is great, especially for medium, large diameter pipesThe most important difference: flange gate valve and ordinary gate valve is different, flange gate valve quality, durable, easy to install, but higher prices, generally used for large pipelines. Ordinary gate valves are used for small caliber, easy to change places.

Q:Why does the fire hydrant box in the air defense area need to be added with gate valves?: 3, protective valve should be used for stainless steel or copper gate valve or cut-off valve;4, air defense enclosure structure, the distance from the proximal end of the valve should not be greater than 200mm. Valve should have obvious signs of opening and closing.

Q:Z45T-10 what kind of material is the gate valve?: JB/T 308 regulation3.7.4 nominal pressure of less than 1.6Mpa gray cast iron valve body material code, in the type of preparation to be omitted.So its body material is gray cast iron, the sealing surface is copper alloy

Q:Gate valve DN65 what does that mean?: Nominal diameter 65 gate valve.This depends on the material of your valve, it is new material, it is to use the outer diameter to do the standard, specifications with 63.75, and so on, because the new material is welded or coated with glue connection. So use the outside diameter as the standard, or the gap will appear.There is also the metal standard, according to the nominal diameter, or flange connection flange and skein skein are industry specifications.When it comes to the end, it must be between the pipe and fittings must be connected.

Q:What are the main types of gate valves?: sealing surface configuration can be divided into wedge gate valve and parallel gate valve, wedge gate type valve can be divided into: single gate type, dual gate plate and the flexible gate type; parallel gate valve can be divided into single and dual gate gate plate.

Q:How to distinguish between gate valve and cut-off valve?: Two can be closed, in the flow of linear requirements are not high, you can adjust the flow. Just because of its structural characteristics of the valve to make its flow resistance, so there is a demand for throttling with a little more than the gate valve. In addition, the cut-off valve, whether it is a formal or reverse installed, in the opening and closing process, there is always a very difficult, and therefore can not do a great deal, or it is not easy to open and close. In addition, the cut-off valve has a one-way sealing effect of good features, so in the prevention of reverse flow of the working fluid, it also has a place to play.Hope to be of some help to you!

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