DIN Ductile Iron Flange Ball Check 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.

ItemWafer type check valve
StandardDIN/ANSI/BS
Body materialCI/DI/CS
Disc materialSS
Pressure  PN16/CLASS125

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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:What is the difference between PPR ball valve and PPR live ball valve?
PPR and PPR union ball valve is different: PPR union ball valves and pipes on both sides (hot melt) connected between, a movable joint (hot melt) and (link with) nut, maintenance, convenient disassembly and replacement of the valve, the union not only cut off the PPR ball, maintenance.
Q:Ball valve 11F, 41F, 11H, 41H
41F flanged ball valve type sealed through using tetrafluoroethylene; 11H is threaded through valve type the alloy steel seal;
Q:What does 1000WOG mean on a ball screw valve?
A unit of pressure. WOG is the initial letter of water, oil, and steam. It represents the water, oil, and gas pressure passed by 1000 pounds per square inch.Converted to kg: 1000*0.07*9.8/100=68.6KG
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:DN80/DN100/DN125 how big is the outer diameter of the ball valve flange?
So you must first determine the pressure level of your ball valve, and then determine the valve flange used standards, and then you can determine the basic parameters of the ball valve flange.
Q:What does "2P" ball valve mean?
2 piece valve body is composed of two parts, so the 3 parts, called 3 pieces, 1 parts, is 1 pieces
Q:What is the difference between floating and fixed ball valves?
Fixed ball valve is the ball with the lower stem fixed, pressure will not produce movement, therefore, in the design, two sealing ring must have sufficient preload to ensure that the valve seat and sphere seal, is a two sided forced seal. Thrust or sliding bearings are usually provided on the upper and lower stems of the ball.
Q:What is the ball valve core?
The ball (ball valve as the cut-off valve in the marine and marine field), standard GB/T21465-2008 "valve terminology" is defined as: opening and closing parts (ball) driven by the stem, and around the valve axis for rotation of the valve. Can also be used to regulate and control fluid, strong shear force between the metal seat seal V type ball valve V type ball core and welding hard alloy, especially suitable for containing fibers, small solid particles and other media. Switch and multi way valve in the pipeline not only can flow, and flow diversion, flexible control of the medium, but also to turn off any channel to the other two channels. This kind of valve should be installed horizontally in the pipeline. In accordance with the way to drive the ball valve is divided into: pneumatic ball valve, electric ball valve, manual ball valve.
Q:Three electric ball valve type T and type L what is the difference?
Electric three way ball valve is a kind of valve, can be divided into L and T type.The T type can cause three orthogonal pipes to connect with each other and cut off third channels, thus diverting and merging the channels.Two pipeline L three ball type valve can only be connected mutually orthogonal, communicating with each other while maintaining the third pipeline, only as a distribution function.Type T and L type reversing diagrams are as follows:Turn left and turn right |

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