Explosion Protected Pumps  Manufacturers, Traders, Suppliers

Explosion-proof pumps also called ATEX pumps are in our case screw pumps. They are used in the chemical industry can be operated in potentially explosive atmospheres. The range of application includes ATEX zones 1,2, 21 and 22. Depending on the pumping temperature of the process, temperature classes T2 to T4 can be realized. The high chemical resistance of the materials used, as well as the non-contact conveying principle of the screw spindles, guarantees reliable and low-wear operation.
Equipment features:

• Pressure-resistant encapsulated motors with speed control
• Monitoring of surface temperature by PT 100 sensors for housing and bearing bracket
• Monitored flushing system for seals
• Dry and overflow monitoring possible
• Avoidance of breakdown or spark suppression of couplings due to operation in oil bath
• Non-sparking contact protection
• Ground connections and potential equalization

Technical parameters*:
Sizes:
CHEMSPIN 50, 70,90,105 125
Max. Delivery volume:
20 to 300 cubic meters the hour
Max. Delivery pressure:
20 to 35 bar
Max. Solids content:
16 to 46 mm
Viscosity:
0.5 to 1,000,000 mPas
Suction capacity:
NPSHr > 0.5 m, suction lift up to 9 m possible
Pumping temperature:
-10 to 180 °C, higher values on request
Shaft seal:

• Single mechanical seal
• Double-acting mechanical seal
• Mechanical seal with knife edge for sticky media
• single, dry-running lip seal

Drive systems:

• Three-phase motor
• Gear motor
• Servo motor
• optional hygienic design

For decades SAWA pumps have been meeting the highest demands. They are characterised by their particularly gentle delivery, quiet operation and durability against aggressive or abrasive media. They set the benchmark in numerous industries in terms of lifetime and ease of maintenance.

• Food industry
• Beverage industry
• Pharmaceutical industry
• Chemicals and industry
• Feed industry