WKM Expanding Gate Valve with API 6A Standard

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1. Structure of WKM Expanding Gate Valve Description

1) Metal-to-metal sealing (gate-to-seat and seat-to-body).

2) Expanding gate design creates a positive mechanical seal across the seats, with or without line pressure.

3) Full-bore, through-conduit gate-to-seat seal maximizes valve life by virtually eliminating turbulence and pressure drop.

4) Gate skirts reduce loss of body lubricants.

5) Low running stress enhances life of the gate-to-seat interface.

6) Upper/lower roller thrust bearings are isolated from well fluid, minimizing torque.

7) Stem packing can be re-energized with valve under pressure.

8) Non-rising stem permits valve installation in closer quarters.

9) Seats, gates, stem, and other working parts are field replaceable.

2. Main Features of WKM Expanding Gate Valve

1) Advanced test for quality 

2) MTC provided 

3) Good price and service

3. WKM Expanding Gate Valve Images

WKM Expanding Gate Valve with API 6A Standard

WKM Expanding Gate Valve with API 6A Standard

WKM Expanding Gate Valve with API 6A Standard

4. WKM Expanding Gate Valve Specification

Working pressure: 2000-5000PSI

Nominal size: 2-1/16"~7-1/16" (46mm~180mm)

Working temperature: - 46℃~121℃(LU)

Material class: AA、BB、CC、DD、EE、FF

Specification level: PSL1-3

Performance Requirement: PR1

Working medium: oil, gas, mud, gas contain in H2S、CO2

5. FAQ of WKM Expanding Gate Valve

We have organized several common questions for our clients,may help you sincerely:

①How about your company?

One of the leading manufacturers and suppliers specializing Oilfield products in China, mainly offering various of oilfild products consists of our one-stop sales. The integrated sales & service ensures customers with various demands an easier access for purchasing management.

②How to guarantee the quality of the products?

We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

③How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible.

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Q:Can a teenager get a heart valve disease?
Yes, anyone can have heart valve disease. It is unlikely though. Usually if a 12 year old has an abnormal heart valve, then it is secondary to a congenital heart defect (something they were born with.) Infection of the heart valve (endocarditis) can occur in any age group and lead to an abnormality in the function of the valve involved. Rheumatic heart disease is also possible, but not common in the developed world since the regular use of antibiotics. Good luck.
Q:What is the difference between a Hot water and Steam radiator valve?
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:new EGR valve?
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:How is heart valve dysfunction measured?
I have a leaky mitral valve. Yes, the degree of regurgitation is usually assessed by echocardiogram and is graded on a level of 1 to 4 or + to ++++ with 1 being minor and 4 being quite severe. Generally, surgery isn't required unless you are in the 3-4 range, but everyone is different. In ten years, mine hasn't progressed any, so hopefully you will have the same luck.
Q:heater valve on a 1996 vw passat?
There is no Heater Control Valve. Coolant circulates through the heater core continuously. Air flow is directed through the heater core/ac evaporator in the air distribution box under the dash as required by user input. If you have no heat, there are a couple of things that could be wrong. A bad water pump, plugged up heater core, bad blend door/cable, bad Climatronic control head, or a bad actuator/motor. So, what's your question? What is the car doing/not doing that you think it should/should not do?
Q:Why use steel over brass in valve spindles?
*In steam service , steam flashing is one of the factor which erode the spindle ( say valve stem) *The stem serves as a connector from the actuator to the inside of the valve and transmits this actuation force. Stems are either smooth for actuator controlled valves or threaded for manual valves. The smooth stems are surrounded by packing material to prevent leaking material from the valve. This packing is a wearable material and will have to be replaced during maintenance. With a smooth stem the ends are threaded to allow connection to the plug and the actuator. The stem must not only withstand a large amount of compression force during valve closure, but also have high tensile strength during valve opening. In addition, the stem must be very straight, or have low run out, in order to ensure good valve closure. This minimum run out also minimizes wear of the packing contained in the bonnet, which provides the seal against leakage. The stem may be provided with a shroud over the packing nut to prevent foreign bodies entering the packing material, which would accelerate wear. Disc material: Cast Iron or Ductile Iron Disc Aluminum-bronze Disc Stainless Steel Disc Nickel-plated Ductile Iron Lid material: engineering plastics, Cast Iron. Seat material[hard/soft]: Seats can be integral to the valve body, that is hard metal or plastic. *Hard seat: Hardened steel,Cast Iron,EN-52 forging steel Valve Seats are made from Chrome Alloy Steel which has a high wear resistance at high temperature. Nearly all metal seated valves leak, even though some leaks are extremely small. *Soft seats can be fitted to the valve body and made of materials such as PTFE or various elastomers such as NBR, EPDM, FKM. Each of these soft materials is limited by temperature (rough maximum temperatures are listed below) NBR 80 °C EPDM 120 °C FKM 170 °C PTFE 200 °C
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:Blow-off valve requirements?
I'm a girl.....you don't have to have a turbo, any type of fast car will get you blown off.
Q:4 Valves per cylinder?
As goobersmooch says, your guess regarding 4 valves is wrong. On a 4-valve engine (i.e. that means 4 valves per cyclinder) there are two exhaust and two inlet valves. I can't remember offhand if there are bikes with 3 valves, but there are definitely cars with 3 valves. They are usually one inlet, two exhaust, because the exhaust valves get hotter (having to deal with hot burned gases) and two valves give a better surface-to-volume ratio, thus aiding with keeping them cool. I'm fairly sure there are bikes with 5 valves per cylinder, but I'm danmed if I can remember what they are. Why? Same principle applies - more valves in a given space means a better area for the gases/vapours to flow over = more efficiency. But eventually the ol' cost/benefit ratio catches up. It's harder to make a valve train to open 5 valves than it is to make one to open 4,3, or 2. All engines have their intakes on the carburettor side, whether 2-stroke or 4. Or, more acurately, their carbs are on the intake side. 2-stroke valves, if they have any, are completely different to 4-stroke, and they are on the intake side only. A 2-stroke engine doesn't necessarily need to have valves.
Q:Presta valve bike tube?
First off, there is no question that presta valves are better! The larger a hole drilled through a rim, the lower its strength. Thus, all other things being equal, a rim drilled for a presta valve will be stronger than a rim drilled for a schrader valve. Tubes with presta valves are slightly easier to pump with a mini-pump than a schrader valve. Finally, they are a bit lighter than a Schrader valve. Secondly, you need to buy a new tube. There is utterly no hope for a repair if the valve comes out. Hope this helps.

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