Pneumatic Wafer Butterfly Valve DN25-DN300
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 unit
- Supply Capability:
- 10000 unit/month
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1.Technical Date:
Size: DN40-DN1200
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: Wafer Type
3. Feature:
This valve is mainly composed of body, butterfly plate, valve shaft, seat and transmission devices. Simple and compact structure, small portable, convenient for transport, install and dismantle. 90 degrees of opening and closing, switch quickly, operating is small, light energy; Sealing performance is good, service life is long, can achieve zero leakages. Flow curve tending to straight line, excellent regulation performance.
Pneumatic actuators can be divided into type switch, external regulation. Electric device can provide or customer designated brand.
4. Sealability:
The valve for rubber seal, closing butterfly plate and seat sealing performance is good, two-way sealed good performance and the torque is small. the friction is very small between butterfly plate and the seat seal. The valve shaft drive the butterfly plate, butterfly plate do 90 degrees rotation. Butterfly plate flexible for opening and closing, no card acerbity, beating phenomenon, small torque.
- Q:D37A1X9-16CB1: what does this butterfly valve mean?
- The model is composed of 7 units, the types of valves (gate valve Z, J, L, Q ball valve, throttle valve, check valve and H valve, butterfly valve, connection mode (D) internal thread 1 thread 2, welding flange 4, 6, 7, the clamp (0) electromagnetic transmission mode 1 solenoid valve, hydraulic, electric and hydraulic turbine are 2, 3, 4 and 5 gears, bevel gear, pneumatic hydraulic, 6, 7, 8, 9) pneumatic and hydraulic, electric, structure (straight or DC type 7,1 on behalf of the center plate, vertical type A (A) and LT X9) on behalf of a sealant is heat-resistant rubber, kg 16 kg, C represents the body material of carbon steel WCB, B1 on behalf of the valve plate is made of ductile cast iron plating)
- Q:What are the major disadvantages of butterfly valves?
- Shortcoming:A. operating torque is large, such as larger diameter or high pressure, it needs to be equipped with larger actuators;B. leakage is large, ordinary type is 2%C;C. as the adjustment of some butterfly valve, its rotation angle is limited to 60. Adjustable range is small.
- Q:Can the inlet and outlet of butterfly valve be reversed? Why? What will happen if the reverse gear is installed?
- Hard seal butterfly valve in any case, the reverse loading will cause tight seal.
- Q:The difference between the directly buried gate and the flange valve and butterfly valve
- Buried gate also called buried gate valve, valve can be directly buried underground, built without manhole, reduce road excavation area; small well maintained road and beautiful room can reduce the difficulty of construction, reduce project cost. The directly buried soft sealing gate valve is divided into two types: telescopic type and fine fixing type, wherein, the telescopic type is divided into metal type and plastic type. In the process of construction, the telescopic type can be adjusted arbitrarily according to the distance between the buried depth of the valve and the ground, and the micro adjustment can be adjusted on the spot. The directly buried gate valve has the advantages of long-term use, no leakage, no maintenance, etc., and can effectively avoid other people switching the valve and stealing the manhole cover at will.Flange gate valve is connected to the flange gate valve, this connection is the most common way.
- Q:How do i use a valve spring compressor. It looks like a c-clamp, so don't tell me how to use a smaller one, but the bigger one.Thanks
- The forked end goes over the valve retainer, the flat end with the screw goes against the valve face. Simply close the handle to compress the spring. You may need to adjust the width of the jaws to fit the retainer and adjust the length of the screw to compress the spring the right amount. Sometimes it helps to gently tap the edge of the retainer with a hammer to loosen the keepers before compressing the spring.
- Q:Butterfly valve use
- On the pipeline, mainly from cutting and throttling. Butterfly valve headstock is a disc shaped disc, in the valve body around its own axis of rotation, so as to achieve the purpose of opening or closing or regulation. Butterfly valve is fully open to fully closed is usually less than 90 degrees, butterfly and butterfly stroke itself has no self-locking capability, in order to position the disc to install the valve stem on the worm gear.
- Q:butterfly valves d7a1x5
- D71x-1.6? Or D371X-1.6, do you need butterfly valves for production or butterfly valves? The question perplexed us all.
- Q:What is the D37-10Q butterfly valve?
- The model is too simple, right D37A1X-10QB1, D: valve, 3: turbine head, 7: on the vertical plate clamp, A1: type A, X: type of rubber seat, 10: nominal pressure valve Q: is ductile iron, B1: plate is made of ductile cast iron
- Q:What does "C" in D971F-16C DN450 RF mean for electric butterfly valves?
- C represents the valve body and the material is cast steel;D stands for butterfly valve; 9 stands for electric; 7 stands for clip type; 1 represents middle line butterfly valve; 16 stands for nominal pressure 1.6Mpa; RF stands for flange joint; in the form of protruding surface.
- Q:I did a compression check on my 350 chevy. I have low compression of 175psi on one cylinder.The other seven cylinders range from 195psi to 205psi Could the valves be too tight on the cylinder with 175 psi compression?
- Chev engines have hydraulic lifters, keeping the valves adjusted correctly at all times. 20 lbs isn't much to worry about anyway, but if you want dump a little oil (about a tablespoons worth) into that cylinder and recheck it. If the compression jumps up, then your rings are getting weak. If not, you may have a leaky valve.
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Pneumatic Wafer Butterfly Valve DN25-DN300
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 unit
- Supply Capability:
- 10000 unit/month
OKorder Service Pledge
OKorder Financial Service
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