Chinese Manufacturers Sell High Temperature Resistance Duckbill
Check Valve
Expansion joint rubber, also known as the duckbill flexible check valve, is a specialized
type of valve primarily used to control the direction of liquid
flow, ensuring that liquids flow in one direction only and
preventing reverse flow.
Features & Benefits of duckbill check valve
1. Expansion joint rubber is 100% full rubber structure, which can meet various
anti-corrosion requirements (different rubber materials can be
selected according to the actual demand).
2. Expansion joint rubber has no blockage and good sealing.
3. Duckbill check valve expansion joint rubber has long service life, no fault and maintenance free.
4. The duckbill check valve expansion joint rubberhas no moving parts and mechanical parts, no electric signal and
manual operation, no noise.
5. When the opening pressure of duckbill check valve is small, the
valve with water head more than 0.01M can be opened.
6. In general, the duckbill check valve xpansion joint rubbercan minimize the head loss.
7. The duckbill check valve can be changed in various installation
forms according to the needs of customers.
8. The duckbill check valve has the advantages of convenient
installation, low cost and low operation cost.
Technical data of duckbill check valve
Main data of duckbill check valve |
| Pipe Size ID | Length | Height | Flange Outside Diameter |
| DN(mm) | NPS | L(mm) | H | A |
| 50 | 2 | 150 | 100 | 150 |
| 80 | 3 | 220 | 140 | 200 |
| 100 | 4 | 250 | 200 | 225 |
| 150 | 6 | 340 | 265 | 275 |
| 200 | 8 | 420 | 325 | 338 |
| 250 | 10 | 520 | 425 | 400 |
| 300 | 12 | 620 | 525 | 485 |
| 350 | 14 | 700 | 625 | 525 |
| 400 | 16 | 800 | 725 | 588 |
| 450 | 18 | 900 | 825 | 625 |
| 500 | 20 | 980 | 925 | 688 |
| 600 | 24 | 1120 | 1025 | 800 |
| 700 | 28 | 1180 | 1125 | 969 |
| 800 | 32 | 1350 | 1400 | 1080 |
| 900 | 36 | 1500 | 1525 | 1150 |
| 1000 | 40 | 1600 | 1725 | 1325 |
| 1200 | 48 | 1840 | 1950 | 1485 |
Note: for duckbill check valve, if there are other standard
requirements or special flange needs to be customized, please
provide written drawings, standards and information, we can
customize duckbill check valve for you.
Duckbill check valve advantages
1. Duckbill check valve is factory price
2.17 years of manufacturing experience, 5 years of export
experience
3. Duckbill check valve has strict quality inspection, and the
quality is far beyond the industry standard.
4. Various specifications of duckbill check valve mould support
customization and OEM
5. Provide free samples of duckbill check valve
6. Duckbill check valve has large inventory
Duckbill check valve application
Because the main feature of the duckbill check valve is that the
flange and the duckbill check valve are integrated, the
installation is very convenient. The duckbill check valve adopts
all rubber design, which will not cause blockage and jamming,
reduce the maintenance cost and make the solid particles pass
through smoothly. So the main application scope of duckbill check
valve is: for waterproof system, drainage system, pump outlet,
lifting pump station, submerged aeration system.
Our Services
1.24-hour online
2.Free samples provided
3.Support customization
4.Provide drawings
5.Multiple payment styles to choose from
6.Factory inspection (material, specifications, quantity, pressure,
packaging)
7.Long warranty period
8.Suitable packaging for transportation
FAQ
Q1:What`s the rubber material of duckbill check valve?
A1: EPDM,CR,NBR,etc .It depends on the working enviroment and
media.
Q2: Is the flange galvaized of duckbill check valve?
A2: Yes,we have electronic galvanized and hot dip galvanized
flanges.We also have painted flanges.
Q3:Can the duckbill check valve be marked with customized logo?
A3:Yes,the duckbill check valve can be marked with your logo. We
could provide OEM&ODM service for duckbill check valve.
Q4:Can you provide drawings of duckbill check valve?
A4:Yes,we could provide drawings of duckbill check valve for
you.Please contact us to get the drawing of duckbill check valve.
