The expanding gate valve features a non-ring stem with an expanding gate design to provide safe, dependable service in a variety of environments, It's a available in flanged or threaded ends in standard bore sizes from 2-1/16" thru 4-1/16" in working pressures of 3000psi thru 5000psi.
Full-Bore Design:
Maximizes valve service life.
Eliminates the collections of destructive particles.
Expanding Gate:
Produces a positive mechanical seal across the seats.
Isolates the body cavity from bore pressure in both the open and closed position.
Metal-to-Metal Seal:
Body/bonnet interface, and gate/seat interface.
Press Fit Seat:
Press fit seats allow the seats to be tightly wedged into the seat pockets in the open or closed position.
Long Life, Low Maintenance:
Simple routine maintenance program limits repairs, eases operation, protects against corrosion, and extends service life.
|
Item |
Description |
Qty |
Material |
Remark |
1 |
Handwheal Nut |
1 |
Steel |
|
2 |
Handwheal |
1 |
Steel |
|
3 |
Look Nut |
1 |
Steel |
|
4 |
Bearing Rtainer Nut |
1 |
Steel |
|
5 |
Space Sleeve |
1 |
Steel |
|
*6 |
Thrust Bearing |
2 |
Steel |
|
*7 |
Stem |
1 |
410 |
|
8 |
Retainer Bushing |
1 |
Steel |
|
*9 |
Packing Set1 |
1 |
TFLON |
|
*10 |
Packing Set2 |
1 |
TFLON |
|
*11 |
Packing Set3 |
1 |
TFLON |
|
12 |
Bonnet Stud Nut |
8 |
4140 |
|
13 |
Bonnet Stud |
8 |
1045 |
|
*14 |
Grease Fitting |
1 |
Assy. |
|
*15 |
Packing Fitting |
1 |
Assy. |
|
16 |
Bonnet |
1 |
4130 |
|
*17 |
Seat |
1 |
Steel |
|
*18 |
Seat Insert |
1 |
TFLON |
|
*19 |
Gate Guide |
2 |
4130 |
|
*20 |
Spring |
2 |
Steel |
|
21 |
Spring Pin |
6 |
Steel |
|
*22 |
Bonnet Gasket |
1 |
Steel |
|
*23 |
Gate Segment |
1 |
4130 |
|
*24 |
Gate |
1 |
4130 |
|
25 |
Body |
1 |
4130 |
|
*26 |
Body Grease Fitting |
2 |
Assy. |
Operation instruction
According to medium flow direction and by the flow direction indicating plate of the valve, the valve is installed. As positive flowing, the medium lifts the valve core and pass easily; If no positive medium pressure, valve core will self-shut off valve gate under self-weight and spring's tensile force, the back medium flowing stop.
Maintenances
*The valve should be placed in the dry and airy room, and the inlet and outlet are sealed properly.
*When the product is stored, the end flanges should be coated by oil against rust and dirt pollution.
*The valve-core and the valve-seat must be examined every in a well time. The attrition rate will decide whether they are used by upset or are replaced.
*Every seal element is replaced according to its examination.
*There is a bit leak at a couple of seals of valve, and the sealing-face may have scratch or wear. Renovation will be done under face-off and ground finish.
*As leak appears at the middle one of the valve bores, ring gasket should be replaced.
Technical Parameter
Working Pressure | 2000PSI~10000PSI | Performance Requirement | PR1-2 | | Nominal Bore | 1.13/16"~7.1/16" (46mm~180mm) | Working Temperature | -46°C~121°C(Class LU) | | Material Class | AA,BB,CC,DD,EE,FF,HH | Specification level | PSL1-4 | | Working Medium | oil,natural gas,mud and gas containing H2S,CO2 |
FAQ
1.Q:What is your main market?
A:Our main market is North America, South America, Eastern Europe, Southeast Asia, Africa, Mid East, Eastern Asia, Western Europe.
2.Q:Are there products standard?
A:Our model is standard, if you have specific demand, pls tell us.
3.Q:Do you have interest to do our own design items?
A:Absolutely!It's our pleasure.
Our Services
1)Our advantage:
We are the manufacturer with almost 20 years experience on valves.Best price,quality and service, Also we can control the production status.Shanghai YI CHEN team with strong ability in designing and after sell service.Cooperation with Carrier has improved our quality to a new level.
2)Terms of payment:T/T, L/C, Western union.
3)Shipment:Average 20-25days after receiving deposit.
4)Delivery:Shanghai/Ningbo ,by sea or air.
5)Gurantee:One year since delivery.
6)Inspection:100% testing for all the valves.
7) All kinds of CERTIFICATE OF ORIGIN.
Welcome to choose SHANG HAI YI CHEN , we are always ready!
Contact us if you need more details on Expanding Gate Valve. We are ready to answer your questions on packaging, logistics, certification or any other aspects about API 6A Gate Valve、API 6A Valve. If these products fail to match your need, please contact us and we would like to provide relevant information. Product Categories : API 6A Valve
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