LANPEC's primary welded plate heat exchanger products include:

•  Tower-Internal Welded Plate Heat Exchangers
•  HA-Type Welded Plate Heat Exchangers (Arched & Cover-Plate configurations)
•  HC Detachable Cassette-Type Plate Heat Exchangers
•  Special-Material Welded Plate Heat Exchangers

• Tower-Internal Welded Plate Heat Exchangers
  
  

Product Features:

Engineered for high-pressure operation with exceptional structural stability, this compact, highly integrated unit installs inside distillation/concentration columns to perform:

• Reactor heat removal
• Concentration evaporation
• Fractionation
• Vapor condensation

in a single energy-integrated multistage coupling system.

Suitable for:

•  Partial/Full Condensation
• Partial/Full Evaporation
• Coupled Condensation-Evaporation Heat Transfer

Key Specifications:

Max. Temperature >200°C

Max. ΔP Across Streams >1.5 MPa

Pressure Drop ≤0.05 kPa (ultra-low per stream)

Max. In-Tower Area 12,000 m² (modular assembly)

Material Options:

300-series SS • 254SMO • Hastelloy C276 • 2205/2507 Duplex • Ti

Competitive Advantages:

• ASME BPVC Section VIII Div. 2 pressure containment
• 40-60% footprint reduction vs. external exchangers
• Integrated multistage thermal coupling
• Fouling-resistant turbulent flow channels
• Zero-gasket leakproof construction

• HA-Type Welded Plate Heat Exchangers

1. HA Arched Welded Plate Heat Exchanger
   

Product Features:

As a signature variant of LANPEC's HA-series welded plate exchangers, this fully welded unit delivers cost-effective thermal solutions for:

• Lean/Rich Liquid Exchangers (amine systems)
• Power Plant Feedwater Heaters
• Turbine Drain Coolers
• Lube Oil Coolers

Technical Advantages:

• Economical capital expenditure
• Short fabrication lead time (30% reduction vs. shell-and-tube)
• ASME Sec. VIII Div. 1 pressure containment
• Sustained performance at thermal transients

Key Specifications:

Max. Temperature 500°C

Max. Pressure 5.0 MPa

Corrosion Resistance CRAs per NACE MR0175

Material Options:

300-series SS • 254SMO • Hastelloy C276 • 2205/2507 Duplex • Ti

2. HA Cover-Plate Welded Plate Heat Exchanger

Product Features:

As a specialized HA-series variant, this Removable-Cover Fully Welded Plate Heat Exchanger excels in fouling-prone services:

• Sulfuric Acid Coolers (SAR units)
• Fermentation Broth Coolers
• Seawater Coolers
• Slurry Coolers
• Scaling-Prone Cooling Water Systems

Technical Advantages:

• Cost-effective CAPEX
• 30% shorter fabrication lead time
• ASME Sec. VIII Div. 1 pressure integrity (5.0 MPa)
• Sustained 500°C thermal performance

Maintenance-Optimized Design:

▶ Removable cover assembly

▶ Full access to plate pack

▶ Mechanical cleaning capability

Key Specifications:

Max. Temperature 500°C

Max. Pressure 5.0 MPa (gasket-free)

Material Options:

300-series SS • 254SMO • Hastelloy® C276 (UNS N10276) • 2205/2507 Duplex • Ti

Maintenance Superiority:

• Cleaning Access

Cover removal enables direct mechanical cleaning

High-pressure jet/sponge ball cleaning compatible

• Inspection & Repair

Visible connection welds for leak testing (ASME Sec. V)

Localized weld repair capability without full disassembly

•  HC Detachable Cassette-Type Plate Heat Exchangers

Product Features:

The HC Detachable Cassette-Type Plate Heat Exchanger serves critical applications across:

• Oil & Gas processing
• Chemical manufacturing
• Petrochemical operations

Robust Construction:

• Bolted frame with four corner posts
• Integrated top/bottom plates and side panels
• Engineered for severe fouling services where both streams exhibit:

   ▶ Tendency for adhesion

   ▶ Fouling susceptibility

   ▶ Scaling propensity

Maintenance-Optimized Design:

Periodically unbolting the sealed cover plate enables:

▶ Full internal mechanical cleaning access

▶ Visual inspection of weld joints

Key Specifications:

Max. Temperature 350°C

Max. Pressure 3.5 MPa (gasket-free)

Material Options:

300-series SS • 254SMO • Hastelloy® C276 • 2205/2507 Duplex • Ti • Zr

Maintenance Superiority:

• Cleaning Protocol

Cassette extraction for offline cleaning

High-pressure water/chemical cleaning compatibility

• Inspection & Repair

Direct visual weld examination (ASME Sec. V Art. 9)

Localized weld repairs without full disassembly

• Special-Material Welded Plate Heat Exchangers

Titanium Heat Exchangers

Corrosion Resistance:

As a non-ferrous metal, titanium delivers exceptional performance in chloride-containing media:

• Chloride concentration: >200 mg/L
• Temperature: ≤130°C
• Immune to corrosion in seawater/chlorides ≤120°C

Primary Applications:

• Offshore gas processing systems
• Concentrated brine cooling
• Pharmaceutical/chemical waste liquid cooling
• Epichlorohydrin unit desorption column overhead cooling
• Fermentation seed culture medium cooling
• Brine heating

Zirconium Heat Exchangers

Corrosion Resistance:

This rare metal resists extreme corrosion environments including:

• Inorganic acids (hydrochloric/sulfuric/nitric)
• Organic acids (acetic/formic)
• Salt solutions & molten alkalis

Economic Advantages:

• Lower noble metal consumption
• Reduced manufacturing costs

Primary Applications:

• Acetic acid plants
• Acetate/ethyl acetate production units

Technical Specifications:

Max. Temperature 350°C (Zirconium)

Max. Pressure 2.5 MPa

Material Options Hastelloy® C276 • Ti • Zr