DCI Gate Valve for Drinking Water System

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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.
5. The use of flexible wedge gate structure, medium and large caliber set thrust bearings, friction force is small, and with a striking manually open and close with ease.

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
8)Rising stem and non-rising handwheel
Working medium: water, non-corrosive liquid, saturated vapor (≤ 0.6MPa)
Operating temperature: -20 °C ≤ t ≤ 135 °C
Stem: non-rising stem
Body material:Brass/Stainless Steel

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.Connection Ends:

  1)Socket Welded Dimension:ANSI B16.11,JB/T1751

  2)Screw Ends Dimension:ANSI B1.20,JB/T7306

  3)Butt Welded:ANSI B16.25

  4)Flanged Ends:ANSI B16.5,JB79


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:Slow flowing kitchen faucet and problems with shut off valves?
Sounds like your water has lots of solid stuff in it. Maybe from the city, maybe from your pipes. Take the aerator off the end of the faucet and check to see if it is clogged with stuff. Be careful to note the order of the pieces that come out of the aerator--you will have to put them back. Try running faucet without an aerator. If it runs free then the stuff is your problem and is probably also the problem with the shut off. Pieces of rust or whatever on the faucet washer will allow water to continue to run.
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It's called a shut off valve, costs 6-7 dollars depending where you buy it. You will have to match the size of the valve to the size and type of the pipe coming out of the wall, could be copper or threaded steel pipe. Also replace the line from the valve to the toilet, this will have to be matched to the valve as well. Not a hard job but matching up all these things can be tricky if you don't know what you are looking at. Might be easier to get a handyman or plumber. If you do try it yourself do not forget to turn off the water - might have to turn the whole house off.
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Q:how do you check a solonoid on a sprinkler valve?
dio, yes, if your sprinkler control valve is not opening a zone valve in the automatic mode, then manually turn the solenoid on the zone valve counterclockwise, it sprinklers come on , then you have confirmed a bad solenoid. these can be purchased seperately or another oprtion is a complete zone valve dio, well, if water is flowing thru then the solenoid is not sealing on the zone valve body itslef. unless there is debris between the solenoid washer and zone valve body, then sounds like a bad solenoid...
Q:89 Dodge Ramcharger Valve Cover?
You obviously just suck at anything to do with cars and should go neck your self asap
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Q:Valve amps - will the guitar sound be clean with a digital controller ?
First off, valves aren't meant to be clean or true. Technically the reason we like tubes is that they distort fairly easily, but in a pleasing and musical way (largely 2nd order, etc). Just being picky. =) Digital things can sound very digital in a tube amplifier depending on the quality of the DSP chip and how it's used. It looks like what they're doing in this case is modifying the gain values of the tubes digitally. This doesn't actually interfere with the signal itself. It's kinda like using a digital thermometer to control your heater instead of an analog one, or turning it on and off by hand - the heat still comes out, the method of when and how much comes out is all that changes. I'm very impressed with this amp. Whoever said that digital presets distort the valve sound were talking about something else - maybe the Line 6 Spider 3 or something, where the distortion doesn't come from the valves but from a DSP chip. Your amp there is a different beast completely. Saul
Q:97 Escort. Trying to prevent the dreaded valve dropping. If I maintain the engine colder could the valve hold?
If the valve has dropped you will hear a ticking nose when the engine is running. It the valve hitting the piston. This need to be fixed ASAP, With a stuck valve you will experance back firing or lots of smoke could out of the tall pipe especially on acceleration. Either way if you are trying to keep your car I would have the problem correctly diagnosed and this will likely means you will need a top end rebuild. These little 1.9L ford engines were pretty tough but after XX amount of miles and so many years it time for some internal engine work.

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