The PVDF safety relief valve we produce adopts the design with PVDF material for the wetted part. Compared with other materials, PVDF has extremely high chemical stability and can withstand corrosive media such as strong acids and alkalis, ensuring the long-term stable operation of the safety relief valve under extreme working conditions. At the same time, it has good thermal stability, which can ensure that the safety valve can maintain its performance in high temperature environments and remain stable. PVDF material also has excellent wear resistance and fatigue resistance, and can maintain excellent stability and reliability even under harsh working conditions of frequent opening and closing, extending its service life. The PVDF safety valve has a smooth surface, is not prone to scaling, is easy to clean and maintain which can reduce maintenance costs.
PVDF safety relief valves have become outstanding in the field of industrial safety due to their excellent performance, wide applicability, and high reliability, providing indispensable safety guarantees for multiple fields such as chemical, petroleum, and pharmaceutical industries.
Basic information of PVDF Series Safety Relief Valves:
Diaphragms: PTFE composite NBR,EPDM etc.
Material for upper valve body: Nylon,PP,PVC,PVDF or customized
Material for lower valve body: PVDF
Adjustable pressure: 0-1.0MPa
Connection type: Thread,Flange and can be customized
Model of PVDF Safety Relief Valve
| Model | Material | Nominal Dia. (mm) | Setting Pressure (MPa) | Dimension | Standard Connection | |
|---|---|---|---|---|---|---|
| Lower Valve Body Dia. (mm) | Total Height (mm) | |||||
| RXAF-T6/1.0 | PVDF | 6 | 0.1-1.0 | 64.7 | 82 | Rc1/8” |
| RXAF-T8/1.0 | PVDF | 8 | 0.1-1.0 | 64.7 | 87 | Rc1/4” |
| RXAF-T10/1.0 | PVDF | 10 | 0.1-1.0 | 64.7 | 89 | Rc3/8” |
| RXAF-T15/1.0 | PVDF | 15 | 0.1-1.0 | 64.7 | 94 | Rc1/2” |
| RXAF-T20/1.0-N | PVDF | 20 | 0.1-1.0 | 64.7 | 104 | Rc3/4” |
| RXAF-T20/1.0 | PVDF | 20 | 0.1-1.0 | 87 | 123 | Rc3/4” |
| RXAF-T25/1.0 | PVDF | 25 | 0.1-1.0 | 87 | 128 | Rc1” |
| RXAF-T32/1.0 | PVDF | 32 | 0.1-1.0 | 117 | 175 | Rc1 1/4” |
| RXAF-T40/1.0-N | PVDF | 40 | 0.1-1.0 | 117 | 185 | Rc1 1/2” |
| Other unspecified model/material/connection can be customized according to requirement. | ||||||
Safety relief valve is opened and closed automatically according to the working pressure of the pressure system. Safety valve is generally installed on the equipment of closed system or pipeline to keep the system safety. When the pressure in the equipment or pipeline exceeds the setting pressure of the safety valve, it will open automatically and relief the pressure to ensure that the medium pressure in the equipment and pipeline is under the setting pressures the equipment and pipeline can work normally to avoid accidents and losses.
Design features:
- With Diaphragm structure spring and the pressure can be adjustable.
- The wetted parts are only the lower valve body and the diaphragm and they are assembled with sealing rib which has good sealing effect and high sensitivity.
- Multiple materials of diaphragm are optional to meet the usage of different environments and scenarios.
| Technical Parameters | |
| Connection type | Thread, flange etc. and can be customized |
| Adjustable pressure | 0-1.0MPa, 0-2.0MPa |
| Safety test pressure | 1.5 times the maximum input pressure |
| Applicable temperature | -60℃ to +300℃ (customizable） |
| Available materials | |
| Materials for Lower valve body | PVC,SS304,SS316L,Hastelloy, PTFE,PVDF,PP, carbon steel etc.and can be customized |
| materials for diaphragm | PTFE composite NBR,EPDM etc. |
| Material for upper valve body | Nylon,PVC, carbon steel , SS304,SS316L etc.and can be customized |
