Gate Valve of DCI Ductile Iron with Stainless Steel Mesh

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Loading Port:
China main port
Payment Terms:
TT or LC
Min Order Qty:
1000 set
Supply Capability:
50000 set/month

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Product Description:

1. Structure of Gate Valve Description

1. Selected materials, in line with domestic and international standards, high overall quality of the material.
2. In line with the requirements of domestic and foreign advanced standards, reliable sealing, excellent performance, attractive appearance.
3. Sealing pair advanced and reasonable, gate and seat sealing surface with different hardness Stellite (Stellite) cobalt-based alloy cladding made, reliable sealing, high hardness, wear resistance, high temperature, corrosion good anti-abrasion performance, long life.
4. Stem quenched and nitride surface treatment, has good corrosion resistance, scratch resistance and abrasion resistance.

2. Main Features of the Gate Valve:
1)Full port design
2)OS&Y Outside screw and yoke .
3)BB. Bolted Bonnet .
4)Flexible wedge, Fully guided
5)Choice of solid or split wedge .
6)Renewable seat rings
7)Forged T-head stem

3. Images of the Gate Valve:

 

4. Specification of the Gate Valve: 

1) Product information: the gate valves supplied are mainly used for adjusting water, steam, oil, gas, and natural gas in chemical industries

2) Standards: AWWA, DIN3352 F4/F5, BS5163, BS5150

3) Connection type: flanged type, push-on type, mechanical joint type, plain ends type

4) Material:

  a) Body : Ductile Iron GGG500-7

  b) Wedge : D/I , core fully vulcanized with NBR or EPDM rubber

  c) Wedge Nut : Brass

  d) Stem : Stainless steel , BS970 431S29 or DIN17440x20Cr13

  e) Gasket : NBR

  f) Bonnet : GGG500-7

  g) O ring : NBR

  h) Washer : Carbon steel or Stainless steel .

5) Size: 50-400mm/2" - 16"

6) Test and Inspection:API598,GB/T13927,JB/T9092

7) Structure Features:

   B.B(Bolted Bonnet) and OS&Y(Outside Screw and Yoke)

   W.B(Welded Bonnet) and  OS&Y(Outside Screw and Yoke)

5.FAQ

1. Can I get free samples?

A: Yes,we can provide you the free sample, but you need to bear their own delivery costs.

2. Can I request to change the form of packaging and transportation?

A:Yes, We can change the form of the packaging and transportation according to your request, but you have to bear their own costs incurred during this period and the spreads.

3. Can I request to advance the shipment?

A: It should be depends on whether there is sufficient inventory in our warehouse.

4. Can I have my own Logo on the product?

A: Yes, you can send us your drawing and we can make your logo, but you have to bear

their own the cost.

5. Can you produce the products according to my own drawings?

A:Yes,we can produce the products according to your drawings that will be most satisfy you.

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Q:chevy valve ajustment?
Run the engine until it comes up to operating temp.Shut it off.Remove the valve covers.Turn the engine by hand until the timing mark comes to 0.Half of the valves are now closed and you can adjust these by first loosening the rocker adjusting nut,and then tighten until the rocker arm makes contact with the push rod(turn the push rod with your fingers-you will feel when this happens).Tighten the nut another full turn and move on to the next closed valve.When you have adjusted the first 8 lifters,turn the engine around until the timing mark comes to 0 again and you can adjust the rest.You'll be able to tell which valves are closed by rocking the rocker arms side to side(they'll be loose).Hope this helps-it's not as hard as it might sound and your motor will purr with the valves adjusted right!
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if it needs to be done DO IT. valve clearance is very imporant. the sound of a valve hittin a piston isnt good. especially if you bend a valve which you will. valve adjustment isnt hard if you kno bout cars a little bit.
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If you like how it plays you might just wish to leave it alone. Anything you do is going to change the way it plays, perhaps to something you don't like. Check compression by pulling the valve slide part way out, wait a second or two and then push the key, as the air fills up the partial vacuum cause by pulling the slide you should hear a nice thunk. If there is no noise when you push the valve the air is leaking around the valve and that's bad compression. Another way to check is just slowly withdraw the valve slide. It should get harder as you pull due to the vacuum, if it comes all the way out it should pop.
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Valve oils use proprietary formulas so it is unlikely you will be able to find out an exact composition. The basic ingredients of petroleum (as opposed to synthetic) valve oils are light machine oil (kerosene), mineral spirits and fragrance.
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Your bike has shim-on-bucket valve train, and like any mechanical system, its going to make a certain amount of noise. It's not something that's easily adjusted w/o some experience and special tools. You should call around to get prices and get it done at the recommended interval unless you've been hammering on the bike, in which case a little early won't hurt. If you have some mechanical inclination, go ahead and get some feeler gages and check your lash yourself. Just make sure the cam lobe is pointed away from the valve you're checking. Good luck.
Q:Prognosis of my bicuspid aortic valve?
Could go either way. since you are on medication, could be the leakage is contained.

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