Ductile Iron Knife 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:What does copper ball valve type Q11F-16T mean?
Q refers to the ball valve, 1 refers to the connection mode, the latter 1 refers to the straight through type, F refers to the sealing material, 16 refers to the nominal pressure of 10 times, T refers to the main material for copper material.
Q:What does stainless steel ball valve stand for Q41F1-16R7-P?
Structural type code:Floating type: 1 means through flow, 2 indicates Y type three pass, 4 represents L type three pass, and 5 represents T type three pass;Fixed type: 0 represents the straight through of the hemisphere, the 6 represents the four channel, the 7 indicates the through flow, the 8 represents the L type three pass, and the 9 represents the Y type three pass;Sealing material: B Babbitt, fluorine rubber, F F46, H direct machining of fluorine lining, rubber lining, stainless steel J M Monel alloy, N nylon plastics, Monel P, Y alloy, W valve;Pressure rating code: 16 said the pressure of 16 kg (1.6Mpa) up to 64Mpa; 150LB said American Standard pound pressure, maximum pressure rating up to 2500LB (150LB=1.6MPA/300LB=2.5-4.0mpa/400LB=6.4mpa/600LB=10mpa); 5K said on stage pressure, the maximum pressure of 63K;Body material: A titanium and titanium alloy, C steel, I stainless steel, chrome molybdenum steel, P18-8 stainless steel, S plastic, RMo2Ti.
Q:Domestic water pipe ball valve or cut-off valve?
So, in the regular switch to the place, with the ball valve convenient, in the need to adjust the flow of the place and do not need to switch regularly, with a good cut-off valve.
Q:What does "DN25 Q41F46-16C" mean?
DN is nominal diameter, nominal diameter (or nominal diameter), that is, all kinds of pipe and pipe accessories of general diameter of 25 mm
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?
In addition to the three common, flange standard complex, a long story.All kinds of standards, there is a little difference in thickness, diameter of flange, bolt hole number, but the flange bolt hole parameters of the same pressure level (bolt circle diameter K, bolt diameter L, bolt number N) are the same.
Q:DN15 ball valve with a bit of outer wire
Is. But we usually use engineering diameter in our country. A few is the imperial system, in addition to the domestic veteran workers still use, and now are using GB size.
Q:Ball valve specifications 1/2 inches corresponding to DN?
[1] 1/2 is DN15, 3/4 is DN20, and 1 is DN25.[2] ball valve: ball valve (ball valve in the field of marine engineering and ships should be cut-off valve), refers to the ball with a circular hole for opening and closing parts, the ball with the stem rotation, in order to achieve Kai [1] closed action of the valve. Standard GB/T21465-2008 "valve terminology" is defined as: "open and close parts (spheres) driven by the stem, and around the square ball valve for the axis of the rotation of the valve.". Use 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. Classification of ball valve: pneumatic ball valve, electric ball valve, manual ball valve.
Q:Where to buy the ball valve?
Ball valve in the pipeline is mainly used to do cutting, distribution and change the direction of media flow, it only need to rotate 90 degrees of operation and a small rotating torque can be closed tight. Ball valve is the most suitable switch, cut off the use.
Q:Is the ball valve ball valve?
One is with an eccentric, hemispherical valve most market means. This eccentric semi ball valve disc shaped like a hemisphere valve valve switch trip also is 90 degrees, but the rotation center of the valve (the valve shaft and the valve seat center (body) or line center) with an eccentric, made after the valve opening immediately from the valve seat, the sealing ball valve and the movement principle is not consistent.

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