Dosing Accessories
Lango Metering Pump Safety Valve
Lango metering pump safety valves relieve excess line pressure to the return line, protecting pump and piping. Field-adjustable from 0 to 1.0 MPa; hose-type version available.
Max flow
—
Max pressure
0–1.0 MPa、0.2–1.6 MPa
Turndown / accuracy
—
Wetted materials
UPVC、PP、CPVC、PVDF、SUS304、SUS316L
Protection
—
Power
—
Features
- Relieves line pressure for stable system pressure
- Protects the pump and system
- Reduces water hammer together with a pulsation damper
- PTFE + rubber composite diaphragm for most corrosive fluids
- Install close to the pump outlet with no valves in between
Specifications
| Brand | high Lango |
| Working pressure | 0–1.0 MPa、0.2–1.6 MPa |
| Material | UPVC、PP、CPVC、PVDF、SUS304、SUS316L |
| Size | DN15、DN20、DN25、DN32、DN40、DN50、DN65 |
| Connection | flange |
| Diaphragm | PTFE+ rubber composite |
Applications
Materials & media
| Body | UPVC / PP / CPVC / PVDF / SUS304 / SUS316L |
| Diaphragm | PTFE+ rubber composite |
Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.
Controls & communication
Control options are listed in notes or confirmed on inquiry.
Models & specs
| Model | Pressure | Tube | |
| relief valve | 0–1.0 MPa / 0.2–1.6 MPa | DN15–DN65 | |
| hose relief valve | — | — |
Dimensions & installation
Dimensional drawings available on request (CAD / PDF).
Downloads
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