DCI Double Ball Air Valves

Ref Price:

Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: -

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Specifications

Double flanged Double Eccentric Butterfly Valve
PN10/16/25
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)

Q: Between these two Blow off valves around the same price, what would be the best choice for a pt cruiser.: The Mopar Performance blow off valve is really going to be your best bet if the two are roughly the same price. The reason I say that is because the Mopar unit is designed to fit onto that car, therefore it is engineered to release excess pressure at a safe level for that engine. The Greddy unit is also going to typically require modification to make it fit and function properly. Unfortunately, what they don't tell you about universal units is the reason they are universal is because they don't fit anything until you make them to fit, you just have enough material and hardware to get creative with it. If you are looking to extensively modify your engine, then it may benefit you to go with the universal unit and just wait until you have your piping cut exactly the way you want it, this may give you better location or clearance using the aftermarket unit, but otherwise like I said, I would go with the factory performance BOV. If you have any further questions about your cruiser, please feel free to email me, I have had a cruiser for a couple of years now and have also done lots of customizing to cruisers for friends.

Q: I was diagnosed by 2 places that my 1995 chevy lumina needed a new egr valve due to the check engine light being on. I got a new EGR valve but the check engine light is still on. Evidently there is something else wrong with the car. Since the check engine light is still on would you figure that my EGR valve is still good and that the light comes on for some other problem?: i think your right. I'm not sure but a think your EGR valve is vacuum operated. If so, there is a vacuum solenoid to control the vacuum to the egr valve. There is also intake vacuum to this solenoid. Could be no vacuum to solenoid or a bad solenoid or wires controlling the solenoid. But also could be a completly different problem other than egr. You need to go back to the shop that put on the egr valve and find out why the egr valve didnt fix your problem. And either have them fix it right or get your money back.

Q: We have an oil steam system. There are Dole valves - 1A on each of the radiators. We bought new ones. They don't seem to be working. They look like a bullet shape with a screw in (on the side of the bullet) to the radiator. On the top of the bullet is a slit with numbers 1-10 on a dial. A picture we saw on the web showed a plastic piece of tubing in the screw part which looks like it goes into the radiator. If we remove the valve, the radiator gets hot with steam coming out of the hole. With the new valve on, the radiator barely gets warm. We're in Piscataway, NJ 08854. H-E-L-P.: Seems to me that a steam valve would need to hold a lot more pressure than a hot water valve. Steam is a high pressure gas and water is a liquid irregardless how hot it is (below boiling point) I am not a qualified plumber or boiler tech but personally I wouldn't use a steam valve for water or vise versa.

Q: is it possible to check valve to piston clearance with out taking the heads off? I want to buy a bigger camshaft for my 351 windsor stock pistons with 1970 heads. cam is 230 duration (280) and 512 lift: No you can't check the valve to piston clearance without taking the heads off. I had a 289 bored out to 351 and ran stock 351 pistons. So your stock pistons should work with the new camshaft. I know I'm a girl but my husbands a mechanic and for fun we rebuild muscle cars.

Q: I have a 2006 saturn vue that has a valve tap in the engine. The car has about 100k miles on it now. I'm the original owner of the car, and I've had the problem with the valve tap since about 50k miles, and even when taking it to saturn dealerships, I was told it was nothing and the car was fine. Now that I know what it is (I took it to another mechanic that was a friend who went over it with a 'fine tooth comb') I ahve done research and know what can go wrong a little too late :(So my question: My car only makes the tapping sound for about 5 or so minutes when i turn the car on, then it goes away and you can't hear it anymore, is this usual for a valve tap?: you sure if its valves or lifters? valves will cause a lot more problems than just a tap. lifters on the other hand will cause a noise but usually no major damage if its just a tap. lifters in a modern engine are pressurized with engine oil to fill the clearance between the lifters and the camshaft to ensure proper valve opening. if the lifter has a clogged oil port then no or little oil can enter the lifter, causing a gap between the lifter and camshaft. even a small gap will cause a noticeable noise, especially when the oil is cold and thick at start up. its a saturn so its most likely an overhead cam setup, try a high quality oil treatment and a little thicker oil. if it keeps happening then listen to the lower half of the engine. if its louder down there then you have more problems than valves.

Q: I did a compression test, and I have a broken valve. everything else is in perfect condition besides this valve and I have carbon getting built up in one of my pistons. Can I run the car like this? What cause this from happening what was the cause age?1999 Ford Explorer 4.0 OHV with 146k,miles: you cant drive w/ a broken valve lying around in the engine. but yes you can drive w/ carbon build up, it causes the engine to run a lil warmer and prolly acts as a oil seal to the piston even after the rings go out.and youve ran a lot of gas thru in 12 yrs so carbon build up is normal,valves dont always break tho unless you were giving it hell an it jus seen so much wear an got thin an finally broke.mayb its not jammed into the head and its jus broke

Q: My eight month old daughter was just diagnosed with pulmonary valve stenosis. Anyone have an experience with this? Did you have cardiac catherization? Did that fix the problem?: I had a different heart condition in high school. Mine was called superventricular tachicardia (SVT) but it required a cathedar in my heart. I had the ablasian surgery twice. We're not sure if it didnt work the first time or if there were two seperate problems, but after the second surgery I havent had any problems. Speak more to your doctor, he should be able to tell you more information and answer all of your questions. For me the surgery meant putting me to sleep and inserting the cathedar through three arteries, one on each side of my shoulders and one in the groin. I have very small scars that arent very noticable and I went home the next day.

Q: When you regulate flow with a valve in a fluid circuit, obviously the flow changes. But mathematically, it changes in function to what? the minimum cross-sectional area? I mean it has to have something to do with some integral of sth (since a valve can change the cross-sectional area of a portion of the tube with length of almost zero and the flow would still change dramatically). I have no idea how to work this through. Can you tell me what changes when you close a valve, which makes the total flow change?Please answer asprecisely as possible, this is for a college essay! thanks in advance!: The shape of the internals of the valve determine the flow characteristics. Ball, butterfly and gate valves are usually only used for on/off operation and have very poor control abilities. Other valves like globe valves and flow control valves have specific flow characteristics. They can vary from a linear characteristic when flow is proportion of the percent of valve stem travel to others such as parabolic, quick opening etc.

Q: I own a 2wheel drive 2003 Hyundai Santa Fe 4cly. The engine light was on the code P0401 came up which is the EGR valve. I had it changed out the engine light came back on after I had made it almost home. I took it to auto zone same code came up that made me take to the shop for repair in the 1st place. Ugh. Please help! What's the problem???: My vehicle is throwing a P0401 code. I was going to replace it, but instead I am going to clean it and replace it. I know the mechanic will want to replace it and charge me well over $100 (I'm seeing the part go for around $52-$55). THe car was recently serviced with the valve cover gasket replaced.

Q: she 13 and shes always sleeping what is a leaky valve there not telling me enough for me to understand and im a nurse tech im scared for her: I'm okorder /

Send your message to us

*Email

*TEL

*Quantity

*Unit