SR SERIES – Type: D (Mechanical Diaphragm)
Spring Return Mechanical Diaphragm
normally used when:
• The dosed liquid contains small amounts of suspended solids
• A drip proof/air tight application is required
• The dosed liquid is a toxic solution.
• As mechanical diaphragm they are easy for maintenance
Description
Specification
Downloads
APPLICATIONS
Injection of chemicals as coagulant, fertilizer, acids, polymers and much more. Commonly used in the following applications:
- Fertigation
- Water treatment
- Paper industry
- Chemical industry
- Food industry
- Cooling towers
FEATURES
- Simplex and multi-head versions are available.
- BSPPm valve connections are standard. Flanged or other connections are available upon request.
- Cataphoresis painting for gearbox.
- Endless screw worm gear box supported by bearings and fully lubricated in an oil bath.
- Fitted as standard with high quality 4 pole electric motor that conform to UNEL-MEC specifications, and range from 0,18kW to 0,75kW. Standard 3 phase voltages are 220-240V(Δ) 380-415 (Y) 50Hz / 220-280V(Δ) 380-480 (Y) 60Hz. Standard 1 phase voltage 230V-50Hz. Motors are available to meet a wide range of alternative specifications including: ATEX; different voltages, frequencies, higher insulation standards and more.
- Stroke adjustment can be made with the pump at rest or in operation and it can be manual or an automatic actuator can be driven by a 4-20 mA; different BUS; pneumatically.
- Components in wetted areas are available in a wide range of materials suitable for chemical injection applications.
- PTFE coated diaphragm.
Max. flow rate L/h
- D 050 49
- D 100 374
- D 101 408
- D 121 574
FITTINGS
- Polyethylene tanks
- Relief valves and back pressure valves
- Safety relief valve
- Injection valve
- Fout valve
- Hydropneumatic accumulators
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