EPDM CF8 Disc Handle Wafer Butterfly 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:1 and 1/2 ball valve is how much?
1 and 1/2 inches correspond to: DN40mm ball valve
Q:How many kinds of ball valves are there?
Ball valves (ball valve in the field of marine engineering and ships should be cut-off valve), standard GB/T21465-2008 "valve terminology" is defined as: "open and close parts (spheres) driven by the stem, and around the axis of the ball valve to rotate the valve movement.".
Q:You can connect inside the pump and valve
Pump and valve should be installed between the distance, too close, too far, will cause damage to the ball valve. The flange is usually used on the pump. Valve can be connected with a pipe with screw pipe, a head welding flange, and the flange is directly connected with the water pump. Super - Electronic Commerce
Q:What are the advantages of an air operated ball valve in comparison with other types of valves?
Compared with other kinds of valves, pneumatic ball valve has angular travel, output torque, quick, stable and reliable opening, wide application and the following advantages.Antistatic function: a spring is arranged between the ball body, the valve stem and the valve body, so that the static electricity generated by the switching process can be exported.Long service life: because PTFE and other materials have good self lubrication, and friction loss of the ball is small, so pneumatic ball valve.Fluid resistance is small: pneumatic ball valve is the classification of all types of liquid resistance is the smallest, even if the diameter of pneumatic ball valve, its fluid resistance is quite small.Stem seal is reliable: it has two sealing surface, and the ball valve sealing surface materials widely used, all kinds of plastic, good sealing, can achieve full seal. It is also widely used in vacuum system. Because the stem only for imitation rotation transported without movement, stem packing seal is not easy to damage, and sealing ability increased with the increase of the pressure medium.Valve seat sealing performance: the use of PTFE and other elastic materials made of sealing ring, the structure is easy to seal, and pneumatic ball valve sealing capacity as the medium pressure increases.
Q:What does "ball valve" Q41F-10P mean?
Q valve (Qiu represents the first letter of the alphabet), 4 representative flange, second representative is 1 ball valve floating ball (ball valve floating ball and fixed ball, 7 ball, F fixed on behalf of) on behalf of PTFE- PTFE seal (PTFE PTFE), representing 10 of the nominal pressure valve is 10 kg (1.0Mpa), P represents the valve body material is 304 stainless steel.Soft sealing stainless steel flanged ball valve
Q:What is the nominal pressure 1.6p of a ball valve?
Nominal pressure: reference value relating to the pressure resistance of a piping system. For ease of use, usually the priority of the R10 series is taken. Nominal pressure refers to the pipe in the two temperature (20 degrees Celsius) when the water delivery pressure. If the water temperature is between 25 and -45 degrees, the coefficient of temperature drop should be adjusted to correct the working pressure.
Q:What's the difference between a ball valve and a butterfly valve? Which one has better sealing performance?
(3) butterfly valves are divided into soft seal and seal, soft seal butterfly valve is generally perpendicular to the center of the plate, is the valve plate, valve seat, valve stem is the center position of the highest temperature soft sealing butterfly valve is 150 degrees below the pressure of 16 kg, hard seal butterfly valve can be divided into single eccentric, double eccentric three, the eccentric, we generally use more than three eccentric, because the three eccentric according to its structure, better sealing performance, hard seal butterfly valve pressure is 64 kg;(4) the valve can also be divided into soft seal and seal, soft seal valve can reach the highest temperature below 280 degrees, the pressure is below 64 kilograms, hard seal ball valve temperature can reach 425 degrees below the pressure below 100 kilograms.
Q:Manual ball valve type: Class400, 20 ', what does that mean, industrial knowledge?
The pressure rating of the valve type and American StandardIt's a 20 inch, 400 pound valve20 inch =DN500 (nominal diameter)400 pounds equivalent to nominal pressure PN64 Mpa
Q:Ball valve Q41f and Q11f difference, whether universal?
Generic. The Q41F 4 stands for flanged connections, and the Q11F 1 represents the internally ribbed pipe
Q:What do you mean by 266 in the 266 brass ball valve?
In order to consider the cost, some manufacturers put in different environment in accordance with the actual need in addition to the basic properties (such as gas safety requirements, key strength, air conditioning temperature, focus on material and penetration, ordinary water can have the basic properties, can economic production and product classification), but in the national standard of the same specifications or inside them the same type,

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