API Schmidt-Bretten GmbH & Co. KG
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- Sigma - Gasketed Plate Heat Exchange
Sigma - Gasketed Plate Heat Exchange
Plate heat exchangers use corrugated plates stacked between a fixed and movable pressure plate. As virtually all of the material is used for heat transfer, plate heat exchangers can have large amounts of effective heat transfer surface in a small footprint. It is not uncommon that a plate heat exchanger will have the same thermal capacity as a shell and tube five times larger. Our plate heat exchangers incorporate superior design features to ensure long-term performance and customer satisfaction.
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PERFORMANCE NOTES
- Unique corrugation pattern pressed onto each plate produces the highest overall heat transfer rate by assuring turbulent flow and excellent fluid distribution across the entire surface
- True counter current flow and high heat transfer rate allows our plate heat exchangers to economically handle close temperature approach requirements
- Highest quality gaskets precisely fit the plate grooves for positive sealing and ease of maintenance
- Superior clip-on gasket design ensures proper fit during closing of the unit
- Double sealing design prevents the possibility of mixing the two process fluids; leak detect feature ensures any leakage is to the atmosphere
- Zinc coated hardware provides long life
- All bolted construction for easier service
- Low volumetric fluid hold-up provides quicker response to heating and cooling demands, while reducing costs for more expensive process fluids
- Readily expanded for greater capacities, or totally new applications
- Available in a variety of plate sizes for industrial, HVAC, power, or food industry applications
OPERATING PARAMETERS
- Temperature: -29°C – 200°C
- Pressure: Vacuum to 30bar
- Capacities: In excess of 4,500 m³/h
- Connections: Up to DN500
TECHNICAL PARAMETERS
- Plates:
- Standard: AISI 304 stainless steel (1.4301), AISI 316L stainless steel (1.4404), AISI 316TI stainless steel (1.4571)
- Exotics: AISI 904 stainless steel, SMO 254, Nickel alloys, pure nickel, Ti and Ti-Pd alloy
- Thickness: 0.4 mm to 1.15 mm
- Gaskets:
- Standard: Nitrile rubber gasket, EPDM rubber, chloroprene rubber
- Exotics: HNBR, NBR-HT, FPM/FKM, butyl, PTFE coated (SIGMACOAT), food industry certified gasket, AFM hard gaskets, others available
- Attachment Method: SIGMAFIX adhesive-free gasket, or glued gasket
- Frame: Painted carbon steel, or stainless steel (solid and clad)
- Connections:
- Standard: Studded with option for liner, flanges (ANSI, DIN), food stuff connections
- Exotics: Ti, SMO, hastelloy, and 904L, others available
- Codes and Standards: PED, ASME, ABS, LRS, GL, BV