GAB-Neumann - Annular Groove Heavy-Duty Graphite Condensers
With their specific design our annular groove heavy-duty graphite condensers are especially adapted to the condensation of highly corrosive vapors. Annular groove heavy-duty graphite condensers transfer heat from a condensing vapor to a cooling medium. Graphite discs are machined to create annular grooves on the service side and large, banana-shaped channels on the process side. Heat is transferred by conduction through the impervious graphite left between the process and the service channels. Annular groove heavy-duty graphite condensers consist of a stack of discs that are fused together.
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Product Details
Snapshots
Details of an annular groove heavy-duty graphite condenser
GAB Neumann’s heavy-duty graphite condensers consist of series of concentric annular grooves and channels that are machined into impervious graphite discs.
Expansion system of an annular groove heavy-duty graphite condenser
GAB Neumann’s expansion system allows for differential elongation between impervious graphite and steel parts.
Vapor inlet of an annular groove heavy-duty graphite condenser
The size of the vapor inlet is adapted to the flow rate.
Heavy-duty graphite condenser
Heavy-duty graphite condenser hanging above a glass-lined reactor in a multi-purpose plant.
3D renderings
Vertical annular groove heavy-duty graphite condenser
Annular groove heavy-duty graphite condensers consist of a stack of graphite discs that are machined beforehand to create annular grooves on the service side and large, banana-shaped channels on the process side.
NB disc with large channels on the condensation side and annular grooves on the cooling side
GAB Neumann’s NB discs have large, banana-shaped channels on the process side and annular grooves on the service side.
Gas liquid separation chamber
At the bottom of the condenser the condensates and the vents can be thoroughly separated.
Sectional view of a high performance horizontal annular groove graphite condenser
High performance annular groove graphite condensers consist of a series of graphite discs into which the media channels have been machined prior to assembly.
Vertical annular groove heavy-duty graphite condenser with sight glass and cleaning in place
Annular groove heavy-duty graphite condensers may be designed to meet GMP requirements and may include sight glasses and cleaning in place.
Sectional view of a high performance horizontal annular groove graphite condenser
High performance annular groove graphite condensers consist of a series of graphite discs into which the media channels have been machined before assembly.
Representation of a vertical high performance annular groove graphite condenser
Heavy-duty annular groove graphite condensers consist of a series of graphite discs.
- Impervious graphite: GAB GPX1, GPX1T or GPX2
- Pressure plates and flanges: carbon steel or stainless steel (optional)
- Tie rods, nuts, bolts, washers, springs: stainless steel
- Totally modular design: number of discs, size of discs and number of passes can be adjusted
- Graphite discs with annular grooves (spirals)
- Maximum disc diameter: 900 mm
- Different groove widths possible
- Graphite nozzles on product and utility sides
- Thermal expansion compensation ensured by tie rods and helical springs
- Carbon-fiber reinforcement (optional)
Features
Key Features:
- Design pressure: -1 barg (full vacuum) to +10 barg
- Design temperature: -60 to +200°C (-76 to 392°F)
- Heat transfer area: 0,3 to 55 m2 (3 ft2 to 592 ft2)
- Design: according to European PED, ASME code, Chinese Pressure Vessel code and other national pressure vessel codes on request
Optional features:
- Sight glass
- Very large channel widths for special applications such as e.g. sublimation or reverse supplication
- Carbon fiber reinforcement
- Cleaning in place
Key Benefits
- Outstanding corrosion resistance
- Superior heat transfer performance thanks to adjustable cross sections on both sides that guaranty a high level of turbulence
- Gasket-free design (fused discs)
- Resin-free surfaces (impregnation before machining)
- Dead-zone-free design
- Self-cleaning design prevents fouling and clogging
- High operational safety
- Highly reliable equipment therefore low cost of ownership and low maintenance cost
- Compact and robust design
- Short lead time
- Long lifetime
Main Application
- Vapor condensation
- Sublimation and reverse sublimation
- Suited for multi and single purpose units
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