| NO | Name | Material |
| 1 | Flange | Q235,SS304,SS316,PVC |
| 2 | Inner/outer rubber | NR,NBR,EPDM,FKM,PTEF,IIR,CR |
| Size | Length | Allowable Movements in Operation | |||||
| mm | inch | mm | Out diameter of flange | Diameter of the central ring of the bolt | Hole diameter*quantity | Horizontal displacement | Angular Deflection |
| 32 | 1 1/4 | 95 | 140 | 100 | 18*4 | 9 | 15° |
| 40 | 1 1/2 | 95 | 150 | 110 | 18*4 | 9 | 15° |
| 50 | 2 | 105 | 165 | 125 | 18*4 | 10 | 15° |
| 65 | 2 1/2 | 115 | 185 | 145 | 18*4 | 11 | 15° |
| 80 | 3 | 135 | 200 | 160 | 18*8 | 12 | 15° |
| 100 | 4 | 150 | 220 | 180 | 18*8 | 13 | 15° |
| 125 | 5 | 165 | 250 | 210 | 18*8 | 13 | 15° |
| 150 | 6 | 180 | 285 | 240 | 22*8 | 14 | 15° |
| 200 | 8 | 210 | 340 | 295 | 22*8 | 22 | 15° |
| 250 | 10 | 230 | 395 | 350 | 22*12 | 22 | 15° |
| 300 | 12 | 245 | 445 | 400 | 22*12 | 22 | 15° |
Note: If the medium is oil, acidic or alkaline substances, and there are special requirements for the working temperature, you can customize it by sending a letter or drawing. Please specify when ordering.
| 1.Raw material Top level CR/EPDM/NBR rubber raw materials,No recycled rubber | 2.Plasticating and mixing Special Formulation for better Bending with Nylon,For Better Strength,Sealing | 3.Workblanks wraping Cooper plated steel wire reinforcement prevent pull off |
| 4.Vulcanizing Automatic vulcanization machine ensure vulcanization time and pressure | 5.Inspecting 100% strict inspection is to be responsible for consumers | 6.Packaging Protective Packaging for No Rust and Breakage |
Application scope of rubber duckbill valve:
1.Suitable for sewage systems and sewage discharge
2.Applicable to emission systems
3.Suitable for dam systems
4.Suitable for airport and highway drainage
5.Suitable for sewer discharge
6.Used for odor barrier
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
Q1:What's the material of spool type rubber duckbill valves?
A1:The material can be EPDM,NBR,CR,SBR..It depends on the working condition.
Q2:What's the working pressure?
A2:The working pressure can be 1.0Mpa, 1.6Mpa, 2.5Mpa.
Q3:What certificates can you provide?
A3:We could provide CE,ISO certificate.
Q4:Can we get a sample?
A4:Yes,we could provide samples for you to test the quality.
