Ductile Iron Ball check valve

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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)

Shaft bush: gunmetal

Q: Can you please explain to me what an atrial valve is and what it does??: You're incorrectly combining two parts of the human heart, atrium(atria) and valves. The human heart has four chambers, two superior ATRIA and two inferior ventricles. The atria are the receiving chambers and the ventricles are the discharging chambers. The pathway of blood through the human heart consists of a pulmonary circuit and a systemic circuit. Blood flows through the heart in one direction, from the atria to the ventricles, and out of the great arteries, or the aorta for example. This is done by four VALVES which are the tricuspid valve, the mitral valve, the aortic valve, and the pulmonary valve

Q: Because I plan to remove mine on a 2000 Eclipse GT.Thank you all..: There's only 2 reasons to remove a rocker arm. 1) You need to clean the lash adjusters or replace them. 2) You need to change the valve stem seals. The only problem you are going to have is when all the lash adjusters that are located on the valve stem side of the rocker arms, fall out. You need a special set of spring clips to re-install them or even take them out, they may drop down one of the oil return holes. Then you're screwed!

Q: I accidentally pushed the pressure release valve on my hot water heater last night. It ran for a while, and did not stop. I turned the water off, the valve on the cold water piper above the water heater, and it stopped running. Will this stop running at some point? The overflow tray fills too quickly for me to drain it. When I turn the water back on it starts pouring out again. HELP!!!: Pressure Valve Water Heater

Q: Is it supposed to go on or only in cases when the power goes out??? I bought this pump and the directions are horrible!!! There isn't room for both the air stone and the check valve!! How does this stupid thing work???: Check valve designated that it lets air go in one direction and stops water from going in reverse direction. For example if your airline gets disconnected from airpump by accident and drops on floor water won't gets syphoned out frmo tank to floor. You'd be surprised how much water can end up on floor in this scenario ;-) In order to install check valve you have to cut airline somewhat in halfs and put your checkvalve between pump and airstone. Arrow shows direction in which it passes air.

Q: yes i just started clarinet. all my spit just comes right through and falls on my feet and the ground. i was just wondering if the clarinet had a spit valve or somthing.-thanks: Nope, no such luck!

Q: This valve has flow indication embossed on their body.: Gate valves are used primarily for isolation, usually not for flow modulation. They are usually operated fully open or fully closed. Installing the valve with the arrow pointing in the direction of flow will have more to do with the tight sealing of the closed valve than with the operation when open. If the valve is to be installed in a pipeline where the flow is in either direction, pick the direction most important for good sealing. However, I do not recall seeing a flow arrow on a conventional gate valve.

Q: Can leakage of heart mitral valve be treated with homeopathic medicines?My grandmom has leakage in mitral valve. I am searching for options to other than surgery to make it less painful for her. She' is above 80yrs of age. If you know of any good options for treatment , please let me know as we also consult the doctors. thank u :): I would make sure she goes to a good cardiologist and that he/she explains to you what the cause of the mitral valve regurgitation is, how severe it is, whether the left ventricular size and function are affected, and what the treatment options are. Unfortunately, there are no homeopathic therapies that are known to be effective. However, mitral regurgitation is well-tolerated for a long time, and your grandmother may only need to be followed clinically if the regurgitation is not severe and if she is asymptomatic. If the regurgitation is severe and if she's symptomatic or if the left ventricle has become enlarged or weakened, surgery is the best way to go as long as she is thought to be healthy enough otherwise to tolerate it. With all due respect, I don't take that magnesium deficiency argument seriously. A single paper from a group in Poland does not constitute significant scientific evidence. The fact that it was published in the journal Magnesium Research should suggest the value of the study. I suspect that's the only journal that was willing to review and accept the manuscript. Additionally, the paper addresses a very specific form of mitral valve disease called prolapse, which is not necessarily the problem with your grandmother. On top of that, the criteria the authors used for MVP are not well defined (a major problem with that diagnosis) and the methodology is otherwise questionable.

Q: I need to replace my egr valve on my 98 Ford Taurus station wagon, and was wondering where is it located and how tough is it to replace?: Ok i brought the whole entire egr vale component and i clean it around the motor where it goes at ok i put it together right and everything but some how it blown off the bottom hose out why is that

Q: I was diagnosed with a VSD and a Biscuspid Aortic Valve and my doctor has started hinting towards sugery. I found out that the only reason i haven't had surgery yet is that it is stable enough to wait until technology improves so i am not left with a large scar. i was just wondering what this surgery would entail and if anyone has had it. I am 19 years old and kind of worried about it...: VSD or ventricular septal defect is a congenital disease caused by failure of your ventricular septum to fuse with the bulbar ridges of your atrial septum during embryogenesis. Some VSD are fine since only a small amount of blood is shunted from LV to RV but a majority is still shunted straight to the aorta. An aortic valve stenosis which I think is what you are referring to is usually an adult disease associated with rheumatic fever, mechanical breakdown from hypertension, or death from an MI. Aortic valve stenosis is a bit more worrisome since this can lower the output of your heart by acting as an obstruction, which overtime can cause ventricular hypertrophy, a disease with whole set of other problems. New trends in VSD repair uses minimally-invasive surgery using a transcatheter that is inserted esophageally or through femoral artery; very small scars and short recovery time. Aortic valve repair may also be done this way in the future, but if your aortic valve is still patent, there is no need to replace it at this moment because it would require a donor and open heart surgery.

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