API ANSI Carbon Steel Wcb Flange Gate Valve DN300

API ANSI Carbon Steel Wcb Flange Gate Valve DN300 System 1

API ANSI Carbon Steel Wcb Flange Gate Valve DN300

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Specification:

Size:1/2"-24"

Pressure:150LB~1500LB

Material: WCB, WCC, LCB, LCC, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF3M, CF8C, CN7M,Etc.

Type: Rising Stem,BB,FB,OS&Y

Operation: Hand Wheel. Gear, Electricty, Etc.

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

Standard:

Design And Manufacture: API 600, API 6D, BS1414,Etc

Face To Face (End To End): ANSI B16.10, API 6D,Etc

Flanged Connection: ANSI B16.5,Etc

Butt Welded End: ANSI B16.25,Etc

Test And Inspection: API 598, API 6D,Etc

Q:Gate valve DN65 what does that mean?: Caliber 65, refers to the size of the gate valve, you want to buy it?

Q:What does the gate valve 150# mean? Is it stress PN? What's that, PN16 or?It's better to have some specific links, thanks!: 150Lb (American Standard pressure value corresponding to the PN2.0)

Q:The legend of gate valve and stop valve: When the valve is installed, the medium can enter from the bottom of the valve core and enter the two way from the top. Medium from the spool into the advantages of the valve closed when the packing is not under pressure, can extend the service life of the packing, and can be pressure in front of the valve in the case of replacement of packing work. Medium from the spool into the bottom of the shortcomings of the valve driving torque is larger, about 1.05~1.08 times above the entrance, the stem by the axial force of large, easy to bend the stem. To this end, the media from below to enter the way, generally only applicable to small caliber manual stop valve, to the valve closed, the media acting on the spool of force is not greater than 350kg limit. Electric cut-off valve is generally used to enter the media from the top way. The disadvantage of the medium entering from the top is just the opposite of the way it is entered below.Compared with the gate valve, the utility model has the advantages of simple structure, good sealing performance, and convenient manufacture and maintenance. The disadvantage is that the liquid resistance is large, and the opening and closing force is large. Gate and globe valves are fully open closed type valve, cut off or connected as the medium use, not as a control valve.The range of application of stop valves and gate valves is determined by their characteristics. In the smaller passages, the cut-off valve is used when required for better shutoff; in the steam pipe and the large diameter water supply pipe, the gate valve is generally used because of less fluid resistance.

Q:The difference and use of gate valve and stop valve: Medium flow is unrestricted.When opening fully, the sealing surface is eroded by the working medium smaller than the cut-off valve.The shape is relatively simple and the casting process is better.The valve is used in the system is relatively large, to close the gate off system; and the valve is used in the system is relatively small, and to adjust the flow quantity of the system, can not be closed gate and globe valves of different specifications for many kinds of occasions, the valve rod valve the dark bar gate valve, wedge gate valve, single valve, multi valve valve body structure is different, large volume.

Q:What does gate valve DN80-PN16-QT450 mean?: The outer diameter of the pipe is usually 89mm;"PN16" means the nominal pressure of the gate valve is 16Mpa;QT450 QT said, nodular cast iron, tensile strength is more than 450MPa 450.

Q:What's the meaning of the gate valve model z41x 16Q?: Gate valve (Z) flange connection (4) wedge type single gate (1) rubber soft seal (X) -16 pressure) (Q)

Q:What kind of valve is gate valve? Is it different from the cut-off valve?: Gate valve is applied to the big diameter pipeline valve, the valve is generally used in small pipe diameter pipeline, their internal structure is different, the valve can not regulate the flow of water, the valve can be. If you want to understand in detail, it is recommended to take a sample of valve manufacturers to see the internal structure.

Q:What do you mean by "2" and "200 CF8M"?: CF8M is 316,2 "is 50200 caliber stainless steel pressure (American Standard, LB)

Q:What is the difference between gate valve Z41T and Z45T?: Z41T is a dark pole gate valve, and Z45T is a plain rod gate valve,

Q:What is the difference between gate valve 41h-16c and 41w-16p?: The difference between 41h-16c and 41w-16p is that the material of the valve body and the material of the sealing surface are different.According to the provisions of the JB/T 308-2004 valve type programming method:H== sealing surface material: Cr13 stainless steelC== body material: carbon steelW== sealing surface material: body, that is, with the same material bodyP== body material: chrome nickel stainless steel

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