Heavy Duty Mechanical Coil Spring
Air Spool
Applications for Heavy Duty Mechanical Air Valve
• PUMPING AGAINST VERY HIGH BACK PRESSURES
• OPERATING WITH VERY HIGH AIR INLET PRESSURES
• FREQUENT OR EXTENDED DEAD HEADING
• OPERATING AT VERY SLOW SWITCHING SPEEDS
• OPERATING WITH VERY LOW AIR INLET PRESSURES
• PUMPING CONTINUOUSLY FOR VERY LONG PERIODS
• FREQUENT START STOP APPLICATIONS
• OPERATING WITH VERY LONG DISCHARGE LINES
• WHERE PUMP ICING / FREEZING IS A COMMON OCCURRENCE
• WHERE AIR CONSUMPTION EFFICIENCY IS A CRITICAL FACTOR
• Mechanically actuated shifting mechanism
• Spring assisted non-centering Air Spools
• Resists stalling and freezing in all conditions
• Outside accessible
• Fully modular and replaceable wear components
• State of the Art, long life materials of construction
• Oil & grease lubrication free design
Plastic and Metallic Pumps with Heavy Duty Mechanical Coil Spring Air Spool
1 1/2"
380 l/min
D400-M Plastic Series
2"
620 l/min
D500-M Plastic Series
3"
760 l/min
D800-M Plastic Series
1 1/2"
430 l/min
D400-M Metallic Series
2"
730 l/min
D500-M Metallic Series
3"
800 l/min
