Resilient seated double eccentric butterfly valve
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1.Technical Date:
Size: DN100-DN4000
Nominal Pressure: PN10/PN16
Operation Temperature: -10°C~150°C
Suitable Medium: Water,Sewage,Seawater,Gas,Food,Oils,etc.
2. Standard
Design Standard: GB/T 12238-2008
Structural Length: GB/T 12221-2005
Top Flange dimensions: ISO5211
Face to face dimensions: GB9112,DIN2501,BS4504,ISO2084,ANSI125
Type of connection: Flange Type
3.Feature:
Product adopts double eccentric structure, the disc sealing ring at the instant of the opening and closing should quickly out of the seat, which can effectively avoid the valve opening and closing process, the seat of the valve plate interference and friction, extend the life of the seal ring. The valve plate adopts the structure light truss over current or pressure on the pressure surface streamline structure design, wide open, the seat effective circulation channel cross-sectional area is big, can greatly reduce the flow resistance of butterfly valve, at the same time guarantee the overall structural strength.
Copper brass seat is surfacing on the valve body, ensuring that no leakage in use. Copper seat smooth level off, solid, corrosion resistance is strong, coaxial degree is high, low surface roughness, cooperate with the seal of the valve plate seal.
Valve shaft adopts two stages, increases the flow area of the flow channel, the valve stem is not easy to hang for sundry, valve spindle insert valve body, valve plate length not less than 1.5 times the diameter of axle, the shaft end due and axial positioning, prevent the butterfly plate used in industrial and mining conditions in axial string.
Butterfly plate and the valve shaft connected with 1:50 taper pin, and seal the pin with a ring, to ensure the stability of the pin connection and sealing. Taper pin with high strength stainless steel materials.
Valve plate seal to the "T" shape structure, the "T" ring material elastic sealing and not just at the same time, with flexible structure, seal with pressure self-tightening and seal pressure compensation function, positioning clamp screw can make rubber ring at the same time, prevent seal up, roll and rubber flabby bumps, make each sealing point sealing force equilibrium, seal wear less, the effect is good. Sealing ring by removing pressure ring can be directly in the line with adjustment, repair and replacement. Maintenance convenient quickly. And ensure the enough strength, pressure adjusting screw is divided into two groups, one group for compression screw, compression screw has limited pressure functions, a group of the adjusting screw, effectively adjust the seal position, guarantee the best sealing performance, and balance the force situation of every screw, compression screw with washer, prevent water impact vibration and make the screw loose fall off.
- Q: What do you mean, handle, butterfly valve, hard back and soft back?
- Hello, soft sealing butterfly valve is generally divided into skeleton, seat and frameless valve seat, the skeleton of the general material: resin, aluminum, iron.. Etc.. With back seat is on the back of the vulcanized rubber, without skeleton, valve seat is rubber.
- Q: Electric butterfly valve (not take the lead) what do you mean?
- Electric butterfly valve, as its name implies, consists of an electric actuator and butterfly valve, and the customer does not take the lead, that is, without the electric actuator, only the butterfly valve can be provided.
- Q: My caravan is a bit sluggish on the pick up, I replaced the wires/plugs and the electronic distributor(I think thats what it is..). still a bit sluggish. Should i look at the valve gasket? Or fuel filter, or fuel pump next? 03 caravan sport 3.3L
- the valve pan gasket won,t cause it but the fuel filter will if it,s starting to clog up and also the cat nverter !
- Q: What do D71, D371 and D341 represent in butterfly valves?
- D71 is a handle to clip butterfly valveD371 is a turbine to clip butterfly valveD341 is a manually operated double flanged butterfly valve
- Q: What does the butterfly valve D361H - 25C DN350 mean?
- Corrigendum: correct type: D361H-25 DN350Should not have C, nominal pressure above 1.6MP carbon steel valve material code name should be omittedValve: central vertical plate welded turbine butterfly valve, nominal pressure 25kg, caliber 350mm, body material, carbon steel, sealing surface material: Cr13 stainless steel
- Q: What is the working principle of the electric butterfly valve, and what's the difference between the butterfly valve and the butterfly valve?
- Signal butterfly valve is generally can achieve full clearance of a valve opening electrical signal output, the general requirements of the electrical signal isPassive electric shock signals are mostly used in fire fighting systems, such as the need for valve position feedback;The electric butterfly valve is not necessarily the signal butterfly valve, because the electric butterfly valve does not have the requirement of the source contact.
- Q: How to connect the signal butterfly valve?
- The signal butterfly valve should be the surveillance and alarm of human action. Once it is closed, it will alarm the system.Signal butterfly valve wiring method:1, open the switch box cover, according to the electrical control requirements, the cable core line to the corresponding terminal, and sealed cable imports, while the cable fixed, to prevent external force damage when the cable wiring.2, when the valve in the "closed" position, the clockwise rotation of the following relationship to the cam is just touch micro switch cam (you can hear the clicking sound), and then tighten the screw on the cam cam.3, when the valve in the "fully open" position, counterclockwise turn the upper open cam, with the same method to adjust the open cam.4, adjust the limit screw, when the valve in the "full off" or "open" position, should not make the limit screw just at the top of the worm gear limit plane, and should have a certain gap, and then tighten the lock nut on the screw.5, on the cover of the electrical switch box cover, when the valve in the "off" position, the pointer opening indicator to dial "0" scale, and tighten the screws pointer.
- Q: What's the difference between an electric two position control valve and an electric butterfly valve?
- The electric butterfly valve belongs to a kind of electric valve and electric control valve. The main connection modes of electric butterfly valve are flange type and clip type. The main forms of electric butterfly valve are rubber seal and metal seal. The electric butterfly valve controls the switch of the butterfly valve through the power signal. The product can be used as the shut-off valve, control valve and check valve of the piping system.
- Q: can't locate freon intake valve for 03 jaguar an was wondering were it is located at
- If it has one it should be located on the smaller line near the AC compressor.
- Q: I need a valve cover gasket replacement because mine is leaking a tremendous amount of oil. The mechanic says it will cost about $269.00 plus tax. I wanted to make sure this figure was the average since I do not know a lot about cars. My car is a Mitsubishi Diamante 2001.
- The gasket set is probably $ 20, so double that to $ 40..... 270 - 40 is 230, divided by 2 man-hours, which is the usually dealership minimum, gives $ 115 an hour. I DON'T THINK SO !!!! Unless you live in Hawaii where everything is expensive, that sounds steep.... real steep. Dealers around here get like $ 85 an hour, so two hours is 170, plus 40 is 210 bucks; Still killer money for the dealer..... I'd question that estimate ask if there is some extraordinary challenge to working on your car. It is possible there are accessories mounted over the valve cover that will have to be moved, or that's it's a canted V-6 with one valve cover tucked up against the fire wall. Be nice, smile, ask questions.... Maybe even have someone show you what has to be moved on your engine to get at the valve cover(s). If you're going to pay that much $$$, you should learn something, also.
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Resilient seated double eccentric butterfly valve
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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