HEXNOVAS replacement plates & gaskets

API Schmidt Sigma25 replacement plate.

HEXNOVAS manufactures replacement plates and gaskets for API Schmidt Sigma25 heat exchangers. The OEM brand and model identify the equipment the parts are intended to fit. Plate pattern, gasket groove, material and operating duty are verified before supply.

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Sigma25 replacement plate dimensionsPlate drawing showing width, length, port distances and port diameter for the Sigma25 reference.440 mm894 mm272 mm710 mmØ110 mmSigma25Corrugation 61°124°
Published dimensions shown directly · schematic, not to scale

Technical reference

Dimensions and identification data.

Plate width
440 mm
Plate length
894 mm
Horizontal port distance
272 mm
Vertical port distance
710 mm
Port diameter
110 mm
Channel depth
3.8 mm
Single plate area
0.27 m²
Plate pattern / note
API Schmidt

Supply options

Specify the plate, gasket or complete plate pack.

Material and elastomer selection must follow the media, cleaning chemistry, temperature and pressure—not the model name alone.

Mga materyales na papel

  • 304 di - kinakalawang na bakal
  • 316L na walang mantsang bakal
  • Ang titanium
  • 254SMO
  • Istelliyo
  • Nickel

Gasket materials

  • NBR
  • EPDM
  • FKM / Viton
  • High-temperature options by duty

Compatibility check

Send the original nameplate and plate photographs.

The dimensions above are an identification reference. HEXNOVAS verifies corrugation, port arrangement, gasket groove, material, thickness and operating conditions before supply.

Send identification details

Third-party brand and model names are used solely to identify existing equipment and dimensional references. HEXNOVAS is an independent supplier and is not affiliated with or endorsed by those manufacturers. Compatibility requires verification of the original plate, gasket groove and operating duty.

Makipag-ugnayan HEXNOVAS