Reference Numbers
UM - 25605Product
BKG® Hicon™ K-SWE-4K-75/RS Backflush Screen ChangerPresent Condition
Can be seen in running conditionLocation
Turkey
Double Piston Backflush Screen Changer for Continuous Operation
Machine Type/Size K-SWE-101-4K-75/RS – K-SWE-380-4K-75/RS
Screen Dimensions Ø 76 – Ø 340 mm (2.99 – 13.39 in)
Throughput 160 – 6,500 kg/h (353 – 14,330 lb/hr)
Screen Area 180 – 3,632 cm2 (27.9 – 563 in²)
Temperature Up to 450°C (842°F)
Heating Electric, Fluid, or Steam
Max. Operating Pressure From size 100 to size 200: Max. 500 bar (7,252 psi)
Size 250 and up: Max. 300 bar (4,351 psi)
Differential Pressure Max. 150 bar (2,176 psi)
Normal operation: 4 screen cavities (100%) in the process
Backflush: 3 screen cavities (75%) in the process
Screen change: During a screen change 1 of the screen cavities (25%) is removed from the process, allowing for 3 of the screen cavities (75%) to remain in operation
Applications
The K-SWE-4K-75/RS is suitable for almost all processes and materials. It is used in pressure constant processes (e.g. strap, film, fiber, strand pelletizing). It can manage processes with a high proportion of contaiminates (recycling) and enables process runs to continue without any system shutdowns while changing the screen
Benefits
Reduced spare parts costs recognized due to the integrated self-cleaning (backflush) process, allowing screens to be used repeatedly
Fully automated backflush and venting procedure (via PLC) reduced operator intervention
Significant reduction in operating costs (screen & labor costs) is ensured by up to 100 backflushes
4 screen cavities provide a large filter area in a comparably small housing and minimize the number of self-cleaning backflushes at the same time
Features
During the process steps “backflush” and “screen change,” 3 of 4 screens remain in production at all times (patented 75% technology)
Backflush function
Optimized flow channels utilizing rheological data
Wear-free metallic sealing system - no additional seal required
Easily integrated into the line controls
Includes complete guard system, offering maximized safety for the operators
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