Double flanged concentric butterfly valve

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Product Description:


Double flanged Double Eccentric Butterfly Valve
DN100 ~ DN2000

Technical Specifications

- Design and manufacture: EN593, EN1074-1 and 2

- Face to face dimension: EN558-1 Series 14 (DIN3202 F4)

                                              EN558-1 Series 13 (BS5163)

- Flange dimensions and drillling: EN1092-2 PN10/16/25

- Size range: DN100 - DN2000

- Max. working pressure: 1.0/1.6/2.5 MPa

- Inspection test: EN12266

- Working temperature: -15°C to +80°C

- Suitable medium: water

Main Fetures

- Double eccentric disc reduces seal wear and torque

- Body seat ring is welded directly on the body

- Bi-directional flow and low head loss

- Disc sealing ring to be replaceable on pipeline without dismantling the valve

- Body and disc inside and outside epoxy powder coated (min. 250 microns)

- Opening and closing indicators are provided

- Coupling flange for electric actuator in compliance with ISO5211

- Gearbox and electric actuator operation available

Main Parts and Materials

Body and disc: ductile iron EN GJS500-7/400-15

Shafts: stainless steel AISI 420

Body seat ring: stainless steel AISI 304

Disc sealing ring: EPDM or NBR

Retaining ring: stainless steel or ductile iron

Shaft bearing: Du bushes (self lubricating bushes)

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Q:Replacing toilet water shut-off valve?
the shut off valves are soldiered on or threaded on it depends on which 1 you got. it might be easier to get a valve that looks like yours and putting the guts out of the new 1 into the old 1. as long as you can shut the water off to the valve
Q:What makes your heart hurt when you have mitral valve prolapse?
Does Mitral Valve Prolapse Hurt
Q:Using a valve spring compressor?
save yourself the hassle and throw that thing away go back to your local auto parts store and buy the l shaped spring compresser should be about twenty dollars make sure vehicle is at tdc remove rocker arm bolt remove rocker arms going valve by valve do not mix them up must go in exactly the same order they came out now lightly tap the top of valve with a rubber mallet will help loosen retainers place compresser on rocker arm stud take r.a. nut and tighten till valve locks fall out or can be removed very small dont lose use compressed air to hold valves in place at tdc sorry that should have been first not hard but not easy to do rebuilt 350 motor from the guts out spent alot of money on spring compressers only to find out the simplest one worked the best the one like u got will give u hell i tried napas version craftsman all of them trust me use the L bar
Q:Unplugged Idle Air Control Valve?
Your van runs good because the computer has learned the driving style, if your battery goes dead and the computer resets, itd be about 200miles before it relearns the vacuum tolerance , and because the idle air control valve is disconnected it must of been when the solenoid was in the right spot. Because the idle air control valve is disconnected, your gas milage will suffer and your computer wont be functioning right, not being able to compensate form different road conditions/weather/wide open throttle.
Q:what is the proper type valve for a main shut off inside a house?
Older homes will have a gate valve, newer homes would use a ball valve. Any type of valve would be proper as long as it seals.
Q:Trumpet Valves Question?
Instead of valve oil, try kerosine. This is no joke. I found that kerosine cleans the **** out of the valves, and makes for smoother valve action. Put about a 1/2 pint in to a a peanut butter jar, and you can let the valves soak a for a few seconds before you put them back in. i got this tip from a trumpet player who played professionally in a dance band.
Q:Are valve stem seals the problem?
The symptom of bad valve stem seals is blue smoke after sitting overnight. But once that smoke is gone, a bad valve stem seal won't have any effect on engine running or idling. And it certainly won't cause a misfire. Worn valve guides can do all those things. You have far more serious problems than just valve stem seals. Get a wet/dry compression test and a cylinder leakdown test to isolate the problem to either valves or rings.
Q:Installed a iac valve?
Q:Question about variable valve timing?
Valve timing is a compromise. You can optimize valve timing for a certain RPM, but it will be wrong for every other rpm. Advancing a cam helps bottom end, and retarding a cam helps top end. Actually changing duration and lift is more difficult, but can be done, and IS being done. The benefit is to widen the torque curve, helping both power and economy
Q:Explanation on enlarged heart valve?
•UPDATE• We went to the US today and the heart was 100% HEALTHY!! There was nothing wrong with any anatomy of baby girl. The doctors there said they are completely confused as to why my Doctor would tell me the baby might need heart surgery when she wasn't even 100% on the issue and even if it was due to positioning like she 'claimed' at first, then a Level 2 US wouldn't be necessary. I'm just so grateful and thank God that my baby is ����!

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