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api Heat Transfer Inc.
2777 Walden Avenue
Buffalo, NY, 14225

(P) 716-684-6700
(F) 716-684-2155

sales@apiheattransfer.com

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Plate Heat Exchangers

Schmidt Gasketed Plate Heat Exchangers

SIGMA Plate Heat Exchangers utilize corrugated plates stacked between a fixed and a movable pressure plate. The corrugation patterns alternate for maximum operating pressures. 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 & Tube five times larger.

The unique corrugation pattern pressed onto each Schmidt thermal plate produces the highest overall heat transfer rate by assuring highly turbulent flow and excellent fluid distribution across the entire surface. With high heat transfer rates and true counter current flow, Schmidt Plate Heat Exchangers economically handle close temperature approach requirements.

Operational Parameters

API Schmidt Plate Heat Exchanger

  Temperature:
Pressure:
Capacity:
Connections:
-40°F to 400°F
Vacuum to 400 psig
.5 to 8800 GPM
1" to 14" - NPT, Studded, Flanged, Tri-clamp, others
Technical Data
Plates: Standard AISI 304 (1.4301)
AISI 316 L (1.4404)
AISI 316 Ti (1.4571)
  Special AISI 904 L
SMO 254
Nickel Alloys
Titaniam, Titanium PD
  Thickness 0.4 mm to 1.15 mm
     
Gaskets: Standard Nitrile, EPDM, EPDM-HT, Chloroprene
  Special H-NBR, NBR-HT, Viton, Butyle, PTFE coated (SIGMACOAT), gaskets approved for food applications
  Fixing Mechanically (SIGMAFIX)
Glued on
     
Frame: Painted Carbon Steel
Stainless Steel
 
     
Connections: Standard Nitrile, EPDM, AISI 316 Tk
  Special Nickel alloys, Titanium, Titanium-PD
     
Codes: ASME, PED, ABS, LRS, GL, BV
 
         
APi Schmidt Plate Heat Exchanger Fluid Flow Chart
API Schmidt Plate Heat Exchanger Snap In Gasket
SIGMAFIX Mechanical Gasket
API Schmidt Plate Heat Exchanger Clip On Gaskets
         
API Heat Transfer's line of Schmidt Plate Heat Exchangers incorporate superior design features to ensure long term customer satisfaction.
  • 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 plate pack tightening is done from the fixed pressure plate to eliminate any stud interference.
  • 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.
 
API Schmidt Bretten Variety of Plates
 
Sanitary
   
  SIGMA Plate and Frame Exchangers are available in a variety of plate sizes for industrial, HVAC or sanitary applications.    
     
Typical applications include:
  • Chemical
  • Pharmaceutical
  • Food & Beverage
  • Dairy
  • Petrochemical / Offshore
 
  • HVAC
  • Marine
  • Oil Cooling
  • Breweries
  • Surface Treatment
 
         
For complete information on this product visit our Literature section for a free download of the Schmidt Plate Heat Exchangers brochure.
Click here to view the Schmidt Plate Heat Exchangers Users Manual
Download an animation of Gasketed PHE disassembly (9.6 MB)
         
To contact an API Heat Transfer Sales Engineer directly, click here
         

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