Company in brief...Company in brief, Vahterus in figures 0 100 200 300 400 1992 1995 1998 2001 2004...
Transcript of Company in brief...Company in brief, Vahterus in figures 0 100 200 300 400 1992 1995 1998 2001 2004...
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Company in brief
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Company in brief, Vahterus then and now1990 2019
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Company in brief
- Established in 1990- Privately owned- Subsidiary companies in UK, Germany, USA
and China- Global distributor network in over 50 countries- Over 95% products exported from Finland
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Company in brief, Vahterus in figures
0
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1992 1995 1998 2001 2004 2007 2010 2013 2016 2019
Personnel
- 300 persons in Finland- 80 Bachelor or Master degree engineers- 200 professional at workshop
05000
1000015000200002500030000350004000045000
VientiKotimaa
Annual revenue
ExportDomestic
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Company in brief, business sectors
Applications for the chemical and process
• Product heaters and coolers• Gas heaters and coolers• Heat-recovery exchangers like feed/effluent exchangers• Overhead condensers and gas liquefiers• Thermosyphon and kettle reboilers• Reactor temperature-control heat exchangers• Cryogenic applications• Various utility applications
Applications for the energy industry
• Steam condensers and generators• Condensate heaters and coolers• Exhaust gas recovery• LNG applications• Crude oil heaters and coolers• Gas heaters and coolers• Hydrocarbon condensers and evaporators
Applications for the refrigeration industry
• Evaporators• Droplet separators• Evaporators/droplet separators (combined)• Cascades• Desuperheaters• Oil coolers• Subcoolers• Condensers
Key solutions
• Chillers• Heat pumps• Absorbtion plants• Transcritical solutions
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Company in brief, Vahterus R&D
- Steam test laboratory- Refrigeration test lab with ammonia
and CO2- Liquid/liquid performance test- Metallurgical Lab- Thermal shock testing with N2- Burst test- In house CFD simulations
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Company in Brief, Quality systems• Management System
• ISO 9001:2015 Quality• ISO 3834-2:2005 Welding• OHSAS 18001:2007 Health and Safety• ISO 14001:2004 Environment• PED Module B + D, D1• ASME U-stamp and R-stamp• AD-2000-Merkblatt HP0• China Manufacturing License• KGS Sertificate (South Korea
• Design• PED 2014/68/EU – CE-mark• ASME VIII, div. 1• AD-2000 Merkblatt• PD5500• Lloyd’s Register• ABS Europe Ltd.• Germanischer Lloyd• Bureau Veritas• RINA• Inspecta• GOST-R ja RTN• Other by request
• Welding Procedures• EN ISO 15614-1• PED 2014/68/EU demands• ASME IX
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PSHE, Advantages
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PSHE advantagesAdvantages:+ Compact size+ Low fouling tendency+ Close approach temps
Disadvantages:- Low pressure- Low temperature- Gasket
+ Robust construction+ Minimized maintenance+ High and low temperatures +550 / -196°C+ Compact size+ Close approach temps+ Efficient heat transfer
Plate and Shell HE
Advantages:+ High pressure+ High temperature+ No gaskets
Disadvantages:- Large size & weight- High fouling tendency
Plate and Frame HE Shell and Tube HE
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AdvantagesFully welded and strong construction
- Designed to:- withstand high pressures and temperatures
- Able to withstand stress variations and thermalshocks
- The construction allows the plates to expand andcontract with thermal expansion and contraction
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PSHE well suited for cryogenic use
- Round plate highly resistant to thermal stresses- Material fully 316/316L and PTFE- Media either refrigerant or glycol. Temperatures and channel flow rate
designed to counter freezing potential.- Temperature difference >250°C- Superheating of gas to above room temperature without separate
superheater unit.
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RESISTANCE AGAINST THERMAL & MECHANICAL STRESS
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Easy to maintain
- No gaskets with fully welded construction
- Low fouling
- Stretchable plate pack as an option
- Efficient and easy cleaning systems foreven the toughest environments
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Easy to maintainLess fouling with PSHE
l In Shell and Tube heat exchangerlaminar flow allows deposition of dirtand particles on heat transfer surface
l In Plate and Shell heat exchangerturbulent flow and high shearstress keep particles moving andheat transfer surface clean
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Energy efficiency
- Effective heat transfer- Highly turbulent flow together with high shear stress
keeps particles moving enabling:oHigh heat transfero Low fouling
- Scientifically sized and field tested circulation- Close approach temperatures possible- Temperature crossover possible
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Custom-made
- Designed and manufactured according to customer needs
- Accurate thermal sizing guarantees the best possible heatexchanger solution
- Years of experience in heat transfer and strong productdevelopment ensures robust and durable products for ourcustomers
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PSHE, Construction
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PLATE PACK CONSTRUCTION
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Construction of PSHE
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PSHE PRODUCT PORTFOLIO
Design pressure range
• From vacuum to 150bar(g)
• On request up to 200 bar(g)(smaller size units)
Temperature range
• -196°C to +550°C
• Shock differential 300°C
Duty
• Even up to 200 MW
• Heat transfer area from 0.5 m² to 2000m²
Plate diameters, approx
• PSHE 2: 200 mm
• PSHE 3: 300 mm
• PSHE 4: 400 mm
• PSHE 5: 500 mm
• PSHE 6: 600 mm
• PSHE 7: 700 mm
• PSHE 9: 900 mm
• PSHE 12: 1200 mm
• PSHE 14: 1400 mm
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WIDE MATERIAL OPTIONS
Plate materials
• AISI 316L / 304L
• Titanium Gr. 1 and Gr. 11
• Hastelloy (C22 & C276)
• Nickel 201
• 254 SMO
• AISI 904
• Duplex
Shell materials
• Carbon Steel
• AISI 316L / 304L
• Hastelloy
• 254 SMO
• AISI 904
• Duplex
• Titanium
Up to 1.5mm
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TAILOR MADE SOLUTONS
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CLEANING METHODS
• Chemical cleaning
• Mechanical cleaning
(shell side)
• Mechanical cleaning
(plate side)
• Planning of avoiding fouling isthe key, to postpone cleaningneed. But when fouled:
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Why to choose Vahterus and PSHE technology?
- The original developer of PSHE technology
- The best knowledge and expertise in the field
- We build strong & long lasting partnerships
- Strong focus into R&D. Latest productiontechnologies
- Reliable delivery times agreed with customers- We value accountability and transparency
in all our operations
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