Non-rising Stem Resilient Seated Gate Valve F4

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Product Description:


Non-Rising Stem


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


Hand Wheel / Bevel Gearing / Square head / Electric actuator

Face to Face:

BS5163: 1986, DIN 3202 F4-F5, JIS B2002, ANSI B16.10


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


Water works, Sewage, Public facilties, Building industry, Petroleum, Chemical, Steel, Metallurgy, Paper Making Industry, Foods, Beverage, HVAC

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Q:Pressure balancing valve adjustment in shower?
All major manufactures of valves have excellent customer service departments. Most of them also have great websites with lots of technical info. Note: You may try changing your shower head to one that is a higher flow or remove any flow restrictor that may be in the one you have now. This may allow you to have the valve set to a colder setting for the tub spout and should increase the hot when showering. Personally, I don't like these style valves. Too many problems like yours.
Q:How is heart valve dysfunction measured?
With a tape measure.
Q:Intake/Exaust valves? Im stupid?
The camshaft is turned by the crank shaft and is in time with it. the cam shaft either pushes the valves open and closed or pushes on lifters or pushrods that drive the rocker assemblies that move the valves. On a two cycle engine yes under most circumstances the exhaust valve is only a port. On a 4 cycle engine like on a vehicle it has exhaust and intake valves. When the piston is on the exhaust stroke the exhaust valve is pushed open, the piston comes up and pushes the exhaust gas out through the open valve, near the top of the piston stroke the intake valve begins to open as well and for a very brief moment both valves are open this is known as valve overlap. This allows incoming air to help expel the burnt exhaust gas. The exhaust gas goes out through the exhaust port through the exhaust piping and into the air. When an engine is running or cranking (pistons moving) it creates a natural vacuum which draws in air, when the intake valves open air is drawn into the combustion chamber pretty simple. Then the air is mixed with fuel vapor and when the piston comes up on the compression stroke the spark plug fires and the air fuel mix burns and drives the piston down. The valves allow the engine (AKA some call it an air pump) to work and pump air. Without them the pistons would do nothing absolutely nothing.
Q:Standing water under sprinkler valves?
Sounds to me, like you have one of two things happening. Either you have a leak, which needs to be fixed. Or the valve box is in a low area where the water drains to... Turn on the water and watch the valves.. you might be able to see where the water is coming from. It may be as simple as tightening down the valve screws, or you may need to turn off the water at the main and repair or replace it. If the water is draining there or the leak isn't all that terrible the only way drain rock would help is if you were to dig underneath the valve a little, and to replace what you dig out with rock... Just make sure you can still access everything when you are finished. Good Luck!
Q:how do you change out auto A/C valve core?
William H you are correct and sometimes there is a pressure switch screwed on the hi port. We must of went to the same classes ,and read the same books, over the years. Mike S You had said the belt was bad. It said NO POWER TO A/C, you know better then that! I have taught many techs both older and young. The older techs think they know it all WRONG. But you know what there is not one guy that leaves my class, who is not smarter.
Q:Motorcycle Valve Seal (When to replace?)?
A 'leak-down' test is the best bet, shows where in the system the compression is leaking and if it's around the valve stems than for sure the seals need replacing. Can't judge it by the smoke accurately as oil could be slipping past the rings also.
Q:I need help with my trumpet/cornet valves?
Every trumpet I've used has numbers on the valves. These should be facing you when inserting the valves, valve 1 being closest to you, and valve 3 being closest to the bell.
Q:EGR Valve Position Sensor?
Typically when those sensors start to go bad, the EGR valve doesn't modulate properly between open and closed. When that happens you usually notice a sort of fluttering in the power delivery, often when cruising at a set speed but sometimes also when accelerating as a result of the wrong amount of exhaust gas being recycled back into the engine. You sometimes will notice a loss of power when accelerating as well. If the EGR valve is opening more than necessary it will be allowing more exhaust gas back into the engine than is beneficial....and that will reduce the amount of power the engine produces. If the EGR valve is staying closed more than necessary, you might not notice as many driveability issues but you'll probably notice your average fuel mileage decreasing a little and/or a check-engine light being triggered and/or a failure of an emissions test (even if the check engine light hasn't tripped) if you live somewhere that emissions checks are required.
Q:Amount of gas lost through relief valve?
Below is one of many sites with software for sizing relief valves. Each relief valve has a specific orifice size usually indicated by a letter such as A, B, C etc. With this and the other information on the gas being relieved you can calculate the rate the valve is relieving when it is open. Note: most of the time you will be in the critical flow range so once the valve is open the flow rate will be constant until the pressure falls and the valve reseats.
Q:P0401 EGR VALVE 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.

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