PTFE Wafe Type Butterfly Valve

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Product Description:

PTFE butterfly valves

About Product

A butterfly valve consists of body ,stem ,disc , actuator (manual actuator, worm-gear actuator , aerodynamic actuator or electric actuator) , and PTFE butterfly valve can implement the process for turning on turning off and regulating the flow by the circumrotation of stem and disc  that is droved by actuators.

1.Simple and compact construction. Small in size and light in weight. Easy transportation, installation and maintenance.
2. Quick 90 degrees on-off operation. Minimized operating torque ,energy saving.
3. Excellent sealing performance with ZERO leakage. Long service life.
4. Wide selection of materials ,applicable for various media..
5. Flow curve tending to straight line. Excellent regulation performance.

 PTFE butterfly valves

Size:

DN50-DN1000

End flange:

ANSI B 16.1,EN1092,AS2129

Face to face:

ANSI B 16.10

Top flange:

ISO 5211

Normal pressure:

PN1.0/1.6MPa(150/200PSI)

Body:

CI/DI/WCB/ALB/CF8/CF8M

Disc:

DI/ALB/Rubber lined Disc/1.2501/1.4529/CF8/Hastelloy Alloy/Monel

Stem:

410/416/304/431/17-4PH/316/monel

Seat:

NBR/Hypalon/EPDM/Neoprene/NR/Wear-Resistant EPDM/Viton/Silicon/Heat-Resistant EPDM/White EPDM/EPDM(NSF)/PTFE

Suitable temperature:

-10~120

Medium:

Fresh water, sewage, sea water, air, vapor, food, medicine, oils, alkalis, salt etc.


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Q:A question about tricuspid valve disease..?
Tricuspid valve disease refers to abnormal function of the tricuspid valve. Two types of tricuspid disease include: Tricuspid regurgitation - the valve is leaky or doesn't close tight enough, causing blood to leak backwards across the valve Tricuspid stenosis - the valve leaflets are stiff and do not open widely enough, causing a restriction in the forward flow of blood. Your physician may refer to this as an increased pressure gradient across the valve, found by echocardiogram or cardiac catheterization. How is it treated? Medical Management Your doctor will want to monitor the progress of your valve disease with regular appointments. They may be spaced once a year or more often, if your doctor feels you need to be followed more closely. Your appointment will include a medical exam. Diagnostic studies may be repeated at regular intervals. Your physician may prescribe medications to treat your symptoms. These medications may include drugs to treat heart failure or medications to control irregular heart rhythms. Lanyard and template handle assists with placement of ring Surgical Management Tricuspid Valve Repair When valve disease is severe, it may be necessary to repair or replace the diseased valve. Tricuspid valve repair using an annuloplasty ring is the preferred surgical approach for tricuspid regurgitation and may be performed for primary tricuspid disease or for combined cases with other valve surgery (mitral, aortic). See illustrations to the right. For more information and to view actual surgery, see: Movie: Edwards MC 3Tricuspid Annuloplasty* NOTE: Son, these patients are depressed, so they avoid discussing their condition.So the best way keep them happy as if nothing is wrong with them.OK Hope it helped you out. G/Luck.
Q:vw aircooled valve seat?
It depends damage. The early duel ports also cracked because the mettle used was not good. A new one is not to hard to find or to expensive.
Q:inner tube valve (Specialized) too large for the hole in rim (Bontrager)?
Your rim is drilled for Presta valves, and the inner tubes you are trying to use have Schrader valves. Either buy the correct inner tube or drill the hole larger to accommodate the larger valve
Q:Are Valve, Infinity Ward and Activision going to fix the hacking in Call of Duty MW2 multiplayer?
Well first off Activision fired infinity ward so chances are slim to none (they hired Bungie, guys who created halo).. valve doesnt have a thing to do with the game and generally Activision are lazy asses so id count the chances around 1 in 100
Q:Does a diverter valve make the same basic sound that a blow off valve does?
No. The only time a diverter valve makes a sound like a blow off valve is when it is torn. When this happens you will also notice a loss of power.
Q:What are the reasons a Schrader valve might need replaced?
2 valve 1 low 1 high the valve is cheap (looks like the same as one that goes in a bicycle innertube) but if a shop puts it the labor price for your area, here around 75.00 this dont make sense. to have high pressure there has to be something in the lines. and the valve would be open to give you a reading so unless its leaking its working. with a vac on it and 0 134a you should have a reading of -20(+or-) in of mercury on the low side (below 0) and 0 on the high side. If the high side valve was not depressed (opened) then you would have the can pressure reading (about 80psi depend on temp) only if you tried to fill from the high side. Ok try this find the line going to the firewall and inside the car, this is the low (return) line. dont use the one that goes to condenser at the front of the car (the radiator looking one). find the fill valve and thread on the fitting (may have a cap on it) tighten the fitting until it is tight then use a pair of pliers and turn 1/8-1/4 turn more then try to fill.
Q:Can any one tell me how can i make a one way valve at home?
R V parts stores have an item which allows a garden hose to be connected to the RV but the tank water inside the RV is not allowed to come out of the RV and enter the water hose (supply) so only fresh water comes in, nothing goes out.
Q:I am getting a valve job...?
well, is the car in good shape otherwise, like the tranny, suspension and the body?, if it is, then its probably wort a valve job, its cheaper then another motor.
Q:Unsufficient EGR valve lift or....sth?
Inside the EGR valve there is a coil spring that exerts pressure on a diaphragm valve. The diaphragm valve has a large light weight washer in the middle that controls the plunger (heart of the valve) that opens when the car is at higher under motion and closes when the motor is at idol. It's purpose is to allow a measured amount of exhaust gasses to flow back through the intake manifold to help lower emissions. The trouble is, it is a pure mechanical vacuum devise that wears out and not respond to the vacuum supplied to it. In reality the valve gets dirty and stick open or closed because carbon caused no-name or low octane fuel. Your best bet is to have it replaced.
Q:Spinal injury and leaky heart valves?
I wouldn't think the trauma would directly injure the valves. Were you in the hospital for a long time following that injury hooked up to IVs? With IV catheters there is the possibility of bacteria entering the bloodstream and causing damage to the valves. Maybe that is why you developed valve issues. Also I wonder if there is the possibility that the massive immune and inflammatory response generated by that much trauma to your body may have caused some damage to the valves. I've never heard that happening, but I imagine it's possible. Also it may just be coincedence and you may have had the valve issues before but never had reason to check them out. A small leak in the heart valves is very common as people get older.

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