Swing Check Valve Wafer Type Double Disc DN 600 mm

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10 pc
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Product Description:

Products Description of Swing Check Valve

Check valves are used in pipes under pressures between PN1.6~16.0MPa(Class150~2500Lb), working temperatures-196~600, They are used in industries include oil, chemistry, pharmaceutical, fertilizer, and power gene-ration to prevent the backward flux of the media.

The main structure features of Swing Check Valve:

1The products feature a reasonable structure, reliable seal, good performance and nice modeling.
2
Either soft or hard seal can be selected for the product upon different working conditions.The sealing face is built up with Co-based 
carbide alloy, leaving a better wearability, corrosion and scrap resistance and a longer duration.
3
Small opening pressure, the disc can be opened fully with a very small pressure differential.
4
Inside-set bolt-bearing structure reduces leakage and reliable use.
5
PN≥16.0Mpa (class1500), the middle cavity uses a self-tightening sealing structure to have the sealing performance reinforced along 
with the pressure rise so as to ensure the sealing performance.
6
Different parts materials and different sizes for flange, butt-welding are available for sensible combination according to different working facts and customers' requirements.

Parameter of Swing Check Valve:

Standard Criteria

 GB customize 

Pressure Rating

 1 Mpa  1.6 Mpa  2.5   Mpa  4 Mpa  6.4 Mpa  10 Mpa  16   Mpa customize 

Valve Size

 50 mm  65 mm  80   mm  100 mm  125 mm  150 mm  200   mm  250 mm 300 mm  350 mm  400   mm  450 mm  500 mm  600 mm customi

Actuator

 Automatic customize 

Connection

 Wafer customize 

Medium

 Oil  Steam  Water customize   

Medium Temperature

 -196~600 customize   

Structural style

 Swing double-clack   structure customize 

Application Fields

 Agriculture  Electricity  Medical  Petrochemical customize   

1-Body Material

 CF3  CF8C  CF8  WCB  CF8M  CF3M customize   

2-Disc

 CF3  CF3M  WCB  CF8  CF8M  CF8C customize   

3-Pivot

 1Cr13  1Cr18Ni9Ti  0Cr18Ni12Mo2Ti  2Cr13 customize   

4-Spring

 60Si2Mn  1Cr18Ni9Ti  4Cr13  0Cr18Ni12Mo2Ti customize   

Design Standard

 GB/T 12224 customize 

Connection Standard

 GB/T 9113  HG   20592  JB/T 79 customize 

Test Standard

 JB/T 9092-1999 customize 

Face to Face

 GB/T 15188.2-1994 customize 

Images of Swing Check Valve:

Swing Check Valve Wafer Type Double Disc DN  600 mm

Swing Check Valve Wafer Type Double Disc DN  600 mm

Swing Check Valve Wafer Type Double Disc DN  600 mm



FAQ of Swing Check Valve:

Q1:I can’t find the type of steel check valve which I need. what can I do?

The chart above only lists out some common composition of steel check valve parts.We may provide other different parts material composition according to the customer's request or the actual valve working condition.


Q2:Which certification do your products pass?

  Our products are in accordance with ISO 9001ISO 14001API 6AAPI 6DTS CEAPI607/6FA/BS6755.


Q3:How can I place an order?

  The only one thing you should do is to tell us the sepecification about type quantity and  mode of transportation, then we will send you quotation within 24 hours.




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you said you tripped the valve-meaning opened it up then closed. try taking i small hammer and tapping onit on the sides. sometimes you will get minerals or a little dirt stuck up in there. if it doesnt stop dripping after that then just replace it. go to your local hardware store and ask for a pt valve for a hot water tank. make sure you specify for a hot water heater as the valve for a boiler is a different pressure. shoulr run you about 15-20 bucks. turn your water supply incoming off. drain the water from your old valve till water stops becuase now your below that part. unscrew the old vave out. apply pipe dope to the threads of the new one and screw it in. using a pipe wrench tighten it in. now turn on your fill and bleed air from your faucet. you should be all set
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Can be cured by valve replacement... alternatively, if you can't/won't go through open heart surgery then you may be able to get valvuloplasty. A balloon is used to stretch the valve open. This does not last nearly as long as replacement, but avoids surgery. A third alternative would be to contact one of the percutaneous valve REPLACEMENT centers (Mayo, Cleveland Clinic, Columbia). This is an experimental procedure which replaces the valve using catheters instead of surgery. Advice offered here is not meant to be a replacement for proper evaluation and examination by a qualified medical professional and should not be construed as such.
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maybe so.some valve covers have stops built in to keep you from overtightening and cutting the gasket,some dont.if you used silicone,and it didnt set up,youll never hold it now.
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Q:How often should the check valve be replaced on the pump of an Aquarium?
a check valve is to prevent back siphoning of water into the pump if you have a power outage or unplug the pump by accident. I'd suggest checking it by blowing through it the wrong way; if air does pass through get a new check valve (check new ones to be sure they don't limit airflow too much, and that the close in the wrong direction, many are cheap crap and don't work the day you buy them, so check them before you leave the store with it...note: same with thermometers, compare them with each other so you don't get the one that's crap) what you want is a normal air valve, they come in various configurations, one or more valves so as to run multiple airstones and to balance the airflow to each stone or ornament. You should not however just use the valve to limit airflow, as this damages the pump eventually. You can just let one of two valves bleed off a little air; however make sure another check valve is in the line from the tank to the valves or else you risk water coming out of that valve if it's lower than the tank water level.....You may want a smaller air pump or an adjustable one instead.
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It depends a lot on which valve and why it's being replaced, but unless the COPD is very bad, the average chance that a 58yo man who does not have any other major medical problems will survive single-valve replacement surgery is better than 98% if the surgery is done by an experienced surgeon at a good hospital. The COPD will very likely mean that his post-operative recovery will be prolonged and difficult, but he should do fine.

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