Ductile Iron Bs5163 Gate Valve

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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.

Item

Q: Replacement method of PPR hot melt ball valve: The above problems belong to the wire type, and the name is: double live catch valve, directly loosen the lock nut, replace the valve can be.When the valve is purchased, the merchant sells a full valve. When the change is made, both ends of the live joint lock nut are removed and the valve is directly connected with the original lock nut on the pipe.

Q: Pneumatic ball valve q641f-16p what do you mean?: Q is a ball of the code, 6 representative driving mode is pneumatic, 4 flanged ball valve structure is straight through channel 1 on behalf of the floating ball, f sealing surface is the fluorine plastics, 16 represents the pressure of 16 kg, P represents the body material is stainless steel, Shandong Huadian valve.

Q: DN20 copper ball valve with large PPR converter connector: See how big your tube is. 20 tubes are straight with 20*1/2 internal teeth, and 25 tubes are straight with 25*1/2 internal teeth

Q: What does "all pass" ball valve mean?: The ball valve is divided into full bore ball valve, ball valve and three or four valve diameter contraction, full bore ball valve inside and outside of the size of the aperture is consistent, overall were flat, parallel and pipeline fluid, and necking is outside the hole is larger than the hole, the medium flow through the three or four inconsistent.

Q: How much pressure can the flange ball valve withstand?: How many can, each kind of pressure specification has the different material quality, the thickness request, the ball valve can also use in the high pressure class.

Q: Gate valve, butterfly valve, ball valve advantages and disadvantages? What other commonly used valves?: Stop valve: a valve that closes the valve and moves along the center line of the valve seat. According to this form of valve movement, the valve seat opening change is proportional to the valve stroke. Because of the valve stem to open or close the trip is relatively short, but very reliable cut off function, and because changes in the valve seat and the valve stroke is proportional, is very suitable for flow regulation. Therefore, this type of valve is very cooperative for cutting or regulating and throttling.Advantages: in the process of opening and closing, because the friction between the valve and the sealing surface of the valve body is smaller than that of the gate valve, the utility model has the advantages of wear resistance. Second, the opening height is generally only 1/4 of the seat channel; therefore, it is much smaller than the gate valve; usually there is only one sealing surface on the valve body and the disc; therefore, the manufacturing process is better and the service is easy to maintain. Because its packing is generally a mixture of asbestos and graphite, it has a higher temperature resistance. Steam valves are normally used with stop valves.Disadvantages: as a result of the medium through the valve flow direction has changed, so the minimum flow resistance valve is higher than most other types of valves; second, due to longer travel, opening slower than the ball.

Q: Open the pressure relief valve core hole with what: Eccentric semi ball valve you say is a kind of ball valve, ball valve is a relatively new category, it has some advantages of own unique structure is divided into a type eccentric semi ball valve and side mounted eccentric semi ball valve in the maintenance of several, mainly according to the structure to pack type eccentric semi ball valve the structure is with a cover, can be in the pipeline maintenance, convenient and labor-saving, eccentric semi ball valve in the appearance structure for erosion is very serious in the medium, upper structure replaced maintenance loss of the opening and closing member is very convenient, without the whole valve removed from the pipeline, greatly saves the maintenance time and the cost, and side mounted valve has the advantages of compact structure, light weight, suitable for valve installation space requirements.

Q: How to distinguish between cold water valve and hot water ball valve?: By the way, do you only require the working medium of the valve, general cold water and hot water?;Can provide the next 1, the valve's general use temperature of 2, whether the media granular impuritiesBoiling hot water is only 100 degrees; general, general valve can reach this use conditions,So cold water and hot water can choose the same type of valveI think the valve you want to know is not the drinking water valve you use at school?

Q: What is an eccentric hemispherical valve? How do you understand?: The eccentric hemisphere valve and the flange gate valve belong to the same type of valve. The difference is that the closing piece is a sphere, and the ball rotates around the center of the valve body to open and close a valve.

Q: Under what circumstances with the butterfly valve, under what circumstances with the ball valve?: Selection principle of ball valve:1, oil, natural gas transmission mains, need to clean the pipeline, and be buried in the ground, all pass by, the ball valve full welded structure; buried in the ground, select all pass through ball valve welded connection or flange connection; pipe flange connection, welding, selection of connection, all pass through or shrink the diameter of the ball valve.2, product oil pipeline and storage equipment, choose flange connected ball valve.3, the city gas and natural gas pipeline, choose flange connection and internal thread of the floating ball valve.1 、 in the oxygen piping system of the metallurgical system, the fixed ball ball valve should be selected after the strict degreasing treatment and the flange connection.2, low temperature medium piping system and device, should choose to use the valve cover of low temperature ball valve.3 、 the lifting rod type ball valve can be used on the pipeline system of the catalytic cracking unit of the oil refining unit.4, chemical systems such as acid and alkali corrosive media and piping systems, it is appropriate to choose austenitic stainless steel, PTFE seat sealing ring for all stainless steel ball valve.5 、 metal to metal sealing ball valve can be used in metallurgy system, power system, petrochemical equipment, piping system or device of high temperature medium in city heating system. 6, the need for flow regulation, you can choose the worm gear drive, pneumatic or electric with V shaped opening of the regulating valve.

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