Non-rising Stem Resilient Seated Gate Valve D800

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Type:	Non-Rising Stem
Material:	Body: Cast Iron / Ductile Iron Wedge: Cast Iron / Ductile Iron Encapsulated with EPDM Seat: EPDM / NBR Shaft: SS410 Stem Nut: Brass O-ring: EPDM, NBR Wedge Nut: Brass / Bronze Hand Wheel: Ductile Iron
Operator:	Hand Wheel / Bevel Gearing / Square head / Electric actuator
Face to Face:	BS5163: 1986, DIN 3202 F4-F5, JIS B2002, ANSI B16.10
Flange:	BS4504, DIN 2532, JIS B2212, ANSI B16.10/ANSI B16.50
Working Pressure:	16 Bar(200 PSI)
Design and Manufacturer Standard :	BS5163, DIN 3352, JIS B2043
Test Standard:	API 598 BS6755 DIN 3230 JIS B2003
Application:	Water works, Sewage, Public facilties, Building industry, Petroleum, Chemical, Steel, Metallurgy, Paper Making Industry, Foods, Beverage, HVAC

Q:I think on old AC units They had a different valve than the shrader. It might be called a king? Anyway, I can't get my gauge to read the pressure. The needles don't move at all. How can I measure, refill this type of HVAC?: Unless you are EPA certified, you have no business checking the refrigerant in old AC units. If you get caught, you could face a hefty fine.

Q:We just got a new washer and cannot remove the old hoses from the pipes with the shut off valves on them. I don't want to bend or break anything. any suggestions?: Renpen is correct, but after squirting some WD-40, I would tap it all over with a 7/8 box end wrench ( a big one) and that way loosten the crud that is keeping it from unscrewing and replace them with stainless, flexible hoses.

Q:I just fixed a clog in my bathroom sink by taking off the p-trap. I had turned off the water valve beforehand, and when I was done I turned it back on. After this, all that came out of the faucet was a trickle. Turning the valve in the off position does not stop the trickle. When I first turned the valve off before taking off the pipe, the valve was not turned all the way left or right. It was in the middle, but the water flowed fine. When I turned the valve all the way to the right, the water shut off at the faucet. My apartment is pretty old. Is this valve most likely broken?: Being old plumbing, when you turned off the valve (which you did not need to do to work on the drain) debris probably broke loose in the water line. Turn the valve to the off position again. Disconnect the supply tube above the valve. Hold a rag over the top of the valve and turn it on and off a few times. this should tell you if there is a clog and may clear the debris out. Good luck.

Q:What would be some drivability issues with an EGR valve that is acting up. The valve in question is an electronic egr valve.: the egr valve can make the vehicle stall it can make it load up with fuel and make the engine miss fire

Q:I'm picking up euphonium (brass instrument) after a 5 year hiatus. Can I still use my old valve oil and slide grease (Trombotine)?: Valve Oil--as far as I know, does not expire. I've had some valve oil for decades (I'm primarily a woodwind/string player, my occasion to use valve oil is rare) and it's still good. Slide grease--which hadn't been invented yet when I was in brass class--I am not so certain about. I'd recommend looking at it and rubbing a bit between fingers. It's probably OK but if there's been some degrading or separation of the ingredients--if it's turned gray or tan--then I'd buy new. Hm, I have some cork grease that's three decades old, and it's still fine--so there's a point of comparison.

Q:Getting a piston for my yz and It says power valve must be modified for .040 or larger soo what does that mean and how do you do it.?: The power valve is the little metal flap that cover up part of the exhaust port while the engine is operating at low and mid RPM ranges. If you have bored the cylinder and the power valve is protruding into the cylinder, then you'll have to machine off the power valve or use a die grinder (dremel tool) to provide additional clearance. EDIT - If you're ordering the piston that is .040 oversize, then the power valve has to be modified. If you're ordering the .030 or smaller oversize, or the stock size, then no modification is needed.

Q:Where are the valves. And how do I fix it? Will I have to buy anything? I have a 98 Honda fourtrax 300.: Valves make a ticking noise due to: -normal wear -faulty lifter -faulty valve spring

Q:Is there any application usuage of ball valve in comparison,most engineers opinion is as Valve size get reduces in reduced port.Other than this what paramteres decides in selection of either of one: W.W. Grainger out of Chicago ships all over the world, also McMaster-Carr Supply.

Q:I want to reduce the prssure of a liquid flow (ethanol) from 16.7 atm to 1.2 atm? Do I need more than one valve?: One control valve can reduce pressure, as long as there is always a significant flow through it. The main reason for using more than one valve is usually to reduce or prevent cavitation caused by a large pressure change through a given valve. Ethanol has a pretty high vapor pressure, so cavitation might be a problem. Control valve manufacturers usually provide design guides for their valve trim choices (often in software form) that lead you through the choices and requirements. Each valve design has different limits. But, my seat of the pants feel is that you can do this with one valve. I have included an example. I am not specifically recommending this company. -- Regards, John Popelish

Q:for a big block chevy,best way to adjust valves and rockers: w/ one hand spinning the pushrod and the other tightening the rocker arm nut, tighten the nut until you can not spin the pushrod freely, then tighten it three quarters of a turn more. do this to all of the rocker arms that do not have pressure against the valves, then spin the motor 180 degrees, or until the rest do not have pressure against them, and do the same thing.

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