Ductile Iron soft resilient DIN3352F4 Gate Valve

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Specifications

Ductile Iron soft resilient DIN3352F4 Gate 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)

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Q:Sprinkler valves make loud "squeak" noise?
Rainbird Anti Siphon Valve
Q:Which valve type is commonly used at ship's sea chest suction (inlet) side?
Gate valve is commonly used.
Q:removeing the driver side valve cover?
Really? I find that innane. rocker covers usually come off pretty easy, and are well above the manifold-unless its a sidevalve???
Q:home water heater has 175psi pressure relief valve installed.?
Do not open the relief valve, you can scald yourself. It is leaking for 1 of 3 reasons. 1. It was opened once already the spring is weaker now, or the seat is damaged. 2. It did it's job and relieved high preasure at some point with the same affect as #1. 3. It is old and weak, either way it needs to be replaced. You do not need to drain the tank for this since it is on top, shut off the water turn it off and let it cool before you open any lines. Good luck.
Q:What is the purpose of the egr valve?
Read above description, but forget the heating part. The EGR valve was developed as a way to reduce pollution. It always detracts from performance. I have been successful at lowering emissions by using either a platinum, iridium, or titanium tip spark plug. It reacts with the fuel,a dn lowers emissions while increasing power output because the fuel burns more completely, and the spark plug tip remains cooler and more ready to firs again. You can remove the EGR valve. On most cars it is held in place with 2 screws (bolts). Clean the thing out with Gum-out, focus on the internal diaphragm, and re-install it. I've only seen a few of them actually go bad. Also, clean out the base from which the valve was removed. If they get TOO clogged up, you will have to use a sharp object to force out the carbon. Sometimes compressed air helps. On cars that DON'T have an electronic monitor of the movement of the EGR diaphragm (something that will trigger a check engine light), I usually just block off the vacuum with a ball bearing or bebe pellet. Usually, more power is produced since the combustion chamber is now cooler. The EGR valve allows burnt exhaust gas to re-enter the intake manifold. Obviously, this causes carbon build-up and dirtying up the inside of the intake manifold. Use the Gum-out to clean the intake, therfore, as well. Smoother power and better economy will result. Good LucK!!
Q:Does a valve have to be completely opened or closed?
you can definitely close the valve half way. Most gate valves or ball valves i install aren't fully open because if its completely open overtime that valve can seize up and never close again.
Q:spit valve on clarinets?
Nope, no such luck!
Q:Leaky Aortic Valve???
1. okorder.com/.. that will tell you what to do to keep yourself healthy and help keep te regurgitation mild. Thankfully its just a mild heart problem, so you should be fine for many years. Im 16 and i was born with Aortic Stenosis, and a Bicuspid aortic valve, which led me to develop Aortic Regurgitation(leaky) and an Enlarged aorta. I havent had surgery yet, but my conditions are getting slowly worse and in a few years i will need surgery. I go to a camp for kids with heart disease, and some of my friends have very severe heart problems that cause them to get heart transplants, or tons and tons of surgery and some have even died. :( So if you have any questions or anything feel free to email me(go through my profile)
Q:Question about valve cover gasket?
yes, tighten them down a little more.
Q:Amount of gas lost through relief valve?
Find the orifice size, then assume sonic velocity for ACFM flow rate times five minutes.

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