Ductile Iron Bs5163 Gate Valve

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Product Description:

Cast iron valves
Size: DN40-1200 or 1.5-48' or above
Working Pressure: PN10/16/20/25, 150LB-2500LB
Suitable temperature: -45c~150c
Standard:
(1)Design and manufacture: DIN3352, BS5163, BS5150, ANSI B16.34, API600, API6D, API609, EN593, GB, T12238
(2)End connection: ANSI B 16.1, ASME B16.5, B16.47, B16.25, B16.34, JISB2212-JISB2214, DIN2543-2550, EN1092, AS2129, ISO 5211
(3)Wall thickness: API600, BS1868
(4)Face to face (end to end): EN 558, ASME B16.10, DIN3202, ISO5752, JIS, API609, MSS, BS5155
(5)Inspection and test: API598, EN12266-1, BS6755, API6D, ISO5208
Materialfor main parts:
(1)Body: CI, DI, WCB, ALB, CF8, CF8M
(2)Disc: DI, ALB, C95400, Rubber lined Disc, 1.2501, 1.4529, CF8M, CF8, Hastelloy
(3)Stem: SS416, SS410, SS304, SS431
(4)Seat: NR, Hypalon, EPDM, Neoprene, NBR, Wear-Resistant EPDM, Viton, Silicon, Heat-Resistant EPDM, WhiteNBR, WhiteEPDM, EPDM, PTFE
Coating: Fusion bonded epoxy coated
Connection type: Flanged type, Push-on type, Mechanical Joint type, Plain ends type
Sealing: Soft sealing or metal-to-metal seat, Flexible graphite
Operation: Manual, Pheunatic, Electric, Hydraulic and Pnewmatic-Hydraul
Appropriate medium: Air, water, sewage, steam, coal gas, oil
Packaging: Export polywood cases, or as per customers' requirements
Application: Fresh water, sewage, sea water, air, vapor, food, medicine, oils. Acids, alkalis, salt etc.

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Q:Stainless steel ball valve, Q11F-10P, 16P, 11F, what does that mean?
The first 1 that connect the second ball, 1 straight through valve, F PTFE sealing.
Q:Advantages and disadvantages of ball valves and scope of application?
2, shortcomings:Because the main valve seat seal material is PTFE, it has almost all the chemical substances are inert, and the friction coefficient is small, stable performance, easy to aging, temperature range and excellent sealing characteristics of a comprehensive. But the physical properties of PTFE include high expansion coefficient, sensitivity to cold flow, and poor thermal conductivity. The design of seat seals must be carried out around these characteristics. Therefore, when the seal material hardens, the reliability of the seal will be damaged. What's more, polytetrafluoroethylene has a lower temperature range and can only be used at less than 180 degrees centigrade. Over this temperature, the sealing material will age. Consider long-term use, usually only at 120 degrees does not use.Its regulating performance is worse than the cut-off valve, especially pneumatic valve (or electric valve).Two, scope of application:Ball valves are used in petroleum refining, long distance pipeline, chemical, paper making, pharmaceutical, water conservancy, electric power, municipal, steel and other industries.
Q:What is the diameter of the 2 inch ball valve?
The internal diameter of the valve is generally international to inch, the domestic standard for DN, 2 inches of ball valve, its inner diameter is DN50.
Q:How can the eccentric hemisphere valve be repaired? What are the things you should pay attention to when installing?
6, the valve driving device to a fastening bolt before debugging, not allowed to loose. When the valve is used for a long period of time if there is leakage, the driving device limiting fastening bolts loose, counterclockwise rotation of a circle and a locking nut, the valve closed, due to eccentric action to eliminate wear clearance, to ensure that the valve to use, must not be forced to close the valve without release driving device a fastening bolt limit case, this will damage the drive device.7, eccentric semi ball valve is a one-way valve seal, valve seal for the arrow on the body, rather than the medium flow, installation when used as a cut-off valve, and the same medium flow arrow (i.e. being installed), when used as a check valve is used, instead the arrow with the direction of medium (reverse installation).
Q:What does the RTFE say in the ball valve?
RTFE reinforced PTFE is more wearable than PTFETeflon PTFEThe seat of tetrafluoroethylene specified for a temperature range of ~200 DEG C -32. High temperature resistance and chemical resistance. Because of its high density and good permeability, PTFE can also prevent the corrosion of most chemical media.Conductive PTFE is an improved PTFE product that allows the current to pass through the lining and thereby cancel the insulation properties of ptfe. Because of its conductivity, conductive PTFE can not be checked by edm.+ reinforced PTFE RTFERTFE is a modification of PTFE material. Pure PTFE although very low coefficient of friction (0.02~0.04) but the wear volume is great, but also because of its easy creep, poor mechanical properties, low bearing capacity, poor dimensional stability characteristics such as friction material has great localization. Only modified by compound method to meet the special requirements of all walks of life sealing material on the wear resistance, to improve the wear resistance of PTFE, can be incorporated into some wear-resistant materials such as glass fiber, carbon fiber, graphite, molybdenum disulfide, bronze powder and some organic compounds, making them reticular junction formed in the PTFE layered structure so as to improve the the stiffness, thermal conductivity, creep resistance, and greatly improve the wear resistance.PTFE is composed of tetrafluoroethylene monomer polymerization of the polymer, the wax is similar to a PE transparent or opaque, its density is 2.2g/cm3, the water absorption rate of less than 0.01%. Its chemical structure is similar to that of PE, except that all hydrogen atoms in polyethylene are replaced by fluorine atoms. Because the C-F bond is high and stable in performance, it has excellent chemical resistance
Q:How does ball valve indicate?
Valve type designation method is standard, the landlord himself to check the JB/T308 standard, Baidu library some, and is free to download:JB/T 308-2004 valve type method of preparation clear Edition
Q:What does copper ball valve mean by "1/2"?
1/2 is inch inch, which is what is usually called "valve", and the caliber is "DN15". You can see the contrast chart of the valve diameter and inch.
Q:A connection wire for 21mm the other end is connected to 4 points inside the pipe joint ball valve
DN20 is not the ball valve, 4 points that the size of the head with 20*15 change
Q:What is the difference between gas ball valve RQ11F-25P and ordinary stainless steel spike valve Q11F-25P?
The models are all the same. What's the difference? Q ball valve, 1 internal thread, 1 floating through type, F PTFE sealing, 25=2.5mpa, P stainless steel.
Q:Check valve, ball valve, check valve are used in what place, ah?
This problem may have two meanings: first, what are these pipe fittings used in? Two, globe valve, ball valve, check valve, their respective uses and occasions. First of all, these fittings are used in pipework, i.e., where gases, liquids, or gases are used as power sources. Therefore, almost all industries (Engineering) are required to use, especially chemical enterprises, water supply, hydraulic systems are more widely used.Pipe (valve) the most important parameters are the use of pressure, pipe nominal diameter, the use of medium, temperature, spool valve body material. Many types of valves, the most common are cut-off valve, gate valve, ball valve...... , check valve (many forms) is to prevent fluid back, such as the need to install the pump outlet, the pump stops to prevent fluid back, therefore, the fluid requirements in the process are not allowed back to places which need to install a check valve. Cut-off valve is mainly used for the need to cut off the fluid, it is good tightness (not easy to leak), but the resistance is greater. And the ball valve, its spool is a ball shaped body, simple structure, convenient switching, but its adjustment and pressure resistance is poor, so often used in the smaller diameter of the water pipe. For further information, please refer to the valve selection manual. If required, please provide the QQ mailbox for your electronic books.

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