Pneumatic ceramic double-disc gate valve
- Model Number: WZ644TC-150LB
- Brand Name: ZC
- Place of Origin: Zhejiang, China
- Minimum Order Quantity: 1 SET
- Supply Capacity: 5000/month
- Payment: T/T
- MemberShip: Free Member
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WZ644TC-150LB Pneumatic ceramic double-disc gate valve Description
Structural Features:
1. Use a cylinder as the actuator to drive the gate directly the gate directly to move up and down, with fast opening/closing.
2. The double gates adopt floating connection to produce reliable one-way seal under the medium pressure action. Also the floating connection can drive the gate to rotate up in opening/closing due to misalignment of axial lines so that the friction grains between the valves’s gate and seat are distributed evenly to produce no linear abrasion, thus improving its service life greatly.
3. Sealing surfaces of the valve’s body and gate are lined with anti-wear ceramics,with excellent resistance to abrasion.
4. Being ceramics, it’s easy for transportation, installation and maintenance.
Working principle
When the cylinder drives the gate to move downwards through the valve’s stem, sealing surfaces of the valve’s gate and body will be engaged to cut off the channel, namely, closing; the other way around is opening.
Materials for main parts
Item
Name
Material
Item
Name
Material
1
Body
WCB
7
Middle body
WCB
2
Plate
Composite engineering ceramic
8
Packing
Flexible Graphite
3
Seat
Composite engineering ceramic
9
Packing gland
2Cr13
4
Stem
2Cr13
10
Bracket
Q235
5
Stud
35CrMoVA
11
Pneumatic device
6
Nut
25
Application specification
Design and manufacture
CB/T12224
Connection end dimension
Structural length
Manufacturer’s standard
Flange dimension
JB/T 79.1
Inspection and test
GB/T 9092
Material
Carbon steel
GB/T 12229
Stainless steel
GB/T 12230
Mark
GB/T 12220
Supply
GB/T 12252
Installation, Use and Maintenance;
1. Before installation, it’s necessary to clean the valve and remove possible defects caused in the transportation process.
2. Check carefully whether marks and the nameplate on the valve meet operating requirements.
3. This valve can be installed on pipelines at any angle.
4. This valve shall be fully open or fully closed in running and not be used as a throttle valve, or else its sealing surfaces will be washed and get worn faster.
5. For long-term storage, it shall be stored in a dry and ventilated room with periodic check to avoid rust.
6. Knocking shall be avoided in the transportation process.
Retaled category: Gate Valve
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