POLMON CHILLERS
Polmon Chillers are advanced industrial process chillers designed to deliver stable, energy-efficient, and reliable cooling across wide ambient, utility, and load conditions. Built with a process-first engineering philosophy, Polmon chillers are trusted in pharmaceutical, chemical, laboratory, and critical manufacturing environments. Polmon specializes in ultra-low temperature process chillers down to –80 °C placing us among the very few Indian manufacturers with proven capability in this domain.
Water Cooled Screw Chiller: 40 TR @ (-) 30 °C
Types of Polmon Chillers:
-30°C to 150°C
4 Independent Reaction Stations
Overhead and Magnetic Stirring
2ml to 400ml Vessels
Recipe Control
- 100 steps
- Unattended chemistry
- Integrate and control 3rd party devices
Seamless 3rd Party Integrations
Applications
Pharmaceutical & Life Sciences Chillers
- API & bulk drug manufacturing
- Reactor jacket temperature control
- Batch process cooling & holding
- Crystallization & fermentation processes
- Utility chillers for GMP facilities
- Crystallization
Why Polmon
- Stable operation during batch idle & low-load conditions
- Accurate control across wide ambient variations
- Designed for continuous GMP operation
Laboratory and R&D Chillers
- Laboratory equipment & instruments
- Analytical systems & test rigs
- Pilot plants & scale-up studies
- Experimental and validation setups
Why Polmon
- Excellent stability at low and no-load conditions
- Compact, service-friendly design
- Suitable for long-duration test runs
Low & Ultra-Low Temperature Chillers
- Sub-zero reactor cooling
- Specialty chemical synthesis
- Crystallization at low temperatures
- Cold trapping and process condensation
Why Polmon
- Stable suction pressure control at low temperatures
- Designed for cascade and single-fluid systems
- Reliable operation without cycling or trips
Industrial Utilities & Process Cooling
- Centralized process cooling
- Equipment & skid cooling
- Heat exchanger & condenser cooling
- Redundant and backup cooling systems
Why Polmon
- Designed for continuous operation
- Wide ambient and utility temperature tolerance
- Low maintenance and high uptime
Chemical & Specialty Chemical Chillers
- Exothermic & endothermic reaction control
- Reactor & vessel cooling
- Distillation and condenser cooling
- Fine & specialty chemical synthesis
Why Polmon
- Advanced head pressure control for utility fluctuations
- Robust design for continuous industrial duty
- Reliable operation under variable process loads
Advantages
- GMP-compliant operation with interlocks that allow running only within validated limits
- Brand new Imported Compressors, BPHE
- Material Compliance with Industry Standards
- High batch reproducibility through fixed sequencing and repeatable control logic
- Safety by design using hardwired + PLC interlocks and no unsafe auto-restart
- Proven low & ultra-low temperature capability (–40 °C to –80 °C)
- Seamless skid & automation integration with PLC/SCADA handshake
- Pharma-specific design based on actual process heat load and duty cycle, along with standard designs for Industrial applications
- Designed for exothermic & pyrophoric processes, assuming worst-case heat release
- Higher energy efficiency through load-matched control, stable ΔT, fewer starts
- Easy maintenance with service-friendly layout, diagnostics, and standard spares
- Lower lifecycle cost by preventing secondary damage and reducing downtime
- Predictable lead timelines aligned with Pharma commissioning and validation schedules
- Strong local engineering & service support in India for faster response
- Audit-ready documentation supporting smooth DQ/IQ/OQ
| Parameter | Typical Range / Options |
|---|---|
| Application Type | Pharma process cooling, TCUs, chemical processes, reactors, crystallization, distillation, Laboratory, Industrial utility |
| Operating Temperature Range | +15 °C to –80 °C |
| Cooling Capacity Range | 0.5 TR to 100+ TR |
| Temperature Control Accuracy | ± 0.5 °C to ± 1 °C (process dependent) ± 2 °C to ± 3 °C (heavy duty industrial utility) |
| Refrigeration System Type | Single-stage, Two-stage, Cascade |
| Compressor Types | Scroll, Semi-hermetic reciprocating, Screw |
| Refrigerant Options | HFC, HFO, HFC blends, Natural (application dependent) |
| Heat Transfer Fluid (HTF) | Water, MEG, Brine, Therminol, Dowtherm, Synthetic Oils |
| Process Flow Rate | 0.5 m³/hr to 60+ m³/hr |
| Pump Head Range | 5 m to 40+ m |
| Hydraulic Configuration | Single pump / Dual pump (standby) |
| Evaporator Type | BPHE, Shell & Tube |
| Condenser Type | Air-cooled (MCHE, Fin & Tube), Water-cooled (BPHE, Shell &Tube) |
| Ambient Design Condition | 7 °C to +50 °C (depends on installation location) |
| Electrical Supply | 230 V AC ±10%, 1Ø, 50 Hz (for small capacity range chillers) 415 V AC ±10%, 3Ø, 50 Hz (other ranges) |
| Control System | ON-OFF/ PID Controller / PLC + HMI |
| Automation Interface | Hardwired I/O, Modbus, Profibus, Ethernet |
| Safety Interlocks | HP/LP, flow, freeze, oil, temperature, electrical |
| Start/Stop Logic | Pump → Flow → Compressor (fixed sequencing) |
| Capacity Control | ON/OFF, Step unloading, VFD |
| Energy Efficiency Features | Head pressure control, load matching, part-load optimization |
| Noise Level (typical) | 65–85 dB(A) (configuration dependent) |
| Skid Mounting | Compact skid / Split skid (configuration dependent) |
| Installation Type | Indoor / Outdoor |
| Documentation Support | GA, P&ID, IOM, FAT protocol, test reports |
| Lead Time (typical) | 8 to 20+ weeks (based on configuration) |
| Technical Details | |
|---|---|
| Independent Temperature Control Blocks | 4 |
| Temperature range | (-)30°C to (+)150°C |
| Temperature control mode | Block and Mass |
| Temperature Stability | ±0.1°C |
| Temperature sensor | Pt100 |
| Vessel size | 2ml to 400ml(Non Jacketed) |
| Vessel shape | Vials, Test tubes, Round bottom flasks and Process vessels |
| Interchangeable Insert | Suitable to vessel shape and size |
| Stirring | Magnetic Stirrer and Overhead Stirrer |
| Display | Control Pad, 7” LCD |
| Controlling and Data Acquisition | PiLab |
| Communication | Ethernet and RS485 |
| Coolant Supply for Peltier | (+)5°C |
| Power Supply | |
|---|---|
| Rated Voltage | 220VAC |
| Rated Current | 16A |
| Frequency | 50Hz |
| Physical | |
|---|---|
| Enclosure | Powder Coated Steel with FEP Coating |
| Mounting | Bench Top |
| Dimensions(LXWXH) | 680X500X260mm (Overhead stirrer) |
Salient Features of Polmon Chillers
Ultra-Low Temperature Capability up to –80 °C
Stable Operation at No-Load & Low-Load Conditions
Advanced hot gas bypass and suction pressure control prevent compressor cycling and nuisance trips.
Wide Ambient Operating Range
Reliable performance from low ambient to tropical conditions without manual seasonal adjustments.
Wide Ambient Operating Range
Reliable performance from low ambient to tropical conditions without manual seasonal adjustments.
Advanced Head Pressure Control
Intelligent fan-based control for air-cooled chillers and flow-based control for water-cooled chillers.
High Reliability & Long Equipment Life
Optimized control logic improves oil return, protects compressors, and enhances system durability.
Energy-Efficient Operation Across Operating Range
Maintains optimal suction and condensing pressures under all conditions.
Industrial-Grade Construction
Heavy-duty skid-mounted design with service-friendly layout for continuous operation.
PLC-Based Intelligent Control System
Real-time monitoring, alarms, and safety interlocks through HMI.
Pharma-Grade & GMP-Friendly Design
Suitable for pharmaceutical, chemical, laboratory, and critical process environments.
Engineered-to-Order Solutions
Customized configurations based on temperature, capacity, ambient, and utility conditions.
Features
- Independent control of 4 blocks at different temperatures
- Temperature Range of -30°C to 150°C
- 4 Independent reactions can run at same time
- Wide selection of vessels ranging from 2ml to 400ml(Non Jacketed vessels)
- Vessel types such as vials, tubes, round bottom flasks and process vessels
- Magnetic stirrer, overhead stirrer will provide excellent agitation for viscous liquids
- Precise temperature measurement by using Pt100 temperature sensor
- 0.1°C/min to 2°C/min ramp rate in heating and cooling process
- Export experimental profiles and results via Ethernet connection
- Compact bench top footprint - fumehood compatible
- Control mode: Block and Mass
- pH measurement option for each block
- Removable inserts for easy change of reaction vessels
- Monitor and control through PiLab
- Profile control – 100 steps
- Temperature stability of ±0.1°C
- Purging ports
- Distillation
PRECISOTM SERIES
Technical Specifications
| PRECISO L045 | |
|---|---|
| Temperature Range | (-)20°C to 40°C |
| Temperature Stability | ±1.0°C |
| Cooling Capacity | 4.5 kW @ 15 °C 2.7 kW @ (-)10 °C 1.4 kW @ (-)20 °C |
| Cooling | Air Cooled |
| Flow Rate | 20 LPM @ 1bar |
| Media/HTF | MEG (50%) + Water (50%) |
| Make | Polmon |
| Dimensions (W x D x H) | 500 x 552 x1451 mm |
| Weight | 185 Kg (Approx.) |
| Power Supply Requirement | 220 - 240V AC, 1~, 50Hz, MCC:14A |
| PRECISO L025 | |
|---|---|
| Temperature Range | (-)20°C to 40°C |
| Temperature Stability | ±1.0°C |
| Cooling Capacity | 2.5 kW @ 15 °C 1.35 kW @ (-)10 °C 0.785 kW @ (-)20°C |
| Cooling | Air Cooled |
| Flow Rate | 20LPM @ 1 bar |
| Media/HTF | MEG (50%) + Water (50%) |
| Make | Polmon |
| Dimensions(W x D x H) | 460 x 590 x 743 mm |
| Weight | 70 Kg (Approx.) |
| Power Supply Requirement | 220 - 240V AC,1~, 50Hz, MCC:9A |
| PRECISO L015 | |
|---|---|
| Temperature Range | (-)20°C to 40°C |
| Temperature Stability | ± 1°C |
| Cooling Capacity | 1.5 kW @ 15 °C 1.021 kW @ (-)10 °C 0.639 kW @ (-)20 °C |
| Cooling | Air Cooled |
| Flow Rate | 20 LPM @ 1 bar |
| Media/HTF | Water (50%)+MEG (50%) |
| Make | Polmon |
| Dimensions (W x D x H) | 420 x 485 x 579 mm |
| Weight | 60 Kg (Approx.) |
| Power Supply Requirement | 220 - 240V AC,1~, 50Hz, MCC: 9 A |
| PRECISO L007 | |
|---|---|
| Temperature Range | (-)20°C to 40°C |
| Temperature Stability | ±1.0°C |
| Cooling Capacity | 0.7 kW @ 15 °C 0.4 kW @ (-)10 °C 0.344 kW @ (-)20 °C |
| Cooling | Air Cooled |
| Flow Rate | 20LPM @ 1bar |
| Media/HTF | Water(50%) + MEG(50%) |
| Make | Polmon |
| Dimensions (W x D x H) | 350 x 496 x 622 mm |
| Weight | 60 Kg (Approx.) |
| Power Supply Requirement | 220-240 V AC, 1~, 50Hz, MCC : 9A |
Features
- Independent control of 4 blocks at different temperatures
- Temperature Range of -30°C to 150°C
- 4 Independent reactions can run at same time
- Wide selection of vessels ranging from 2ml to 400ml(Non Jacketed vessels)
- Vessel types such as vials, tubes, round bottom flasks and process vessels
- Magnetic stirrer, overhead stirrer will provide excellent agitation for viscous liquids
- Precise temperature measurement by using Pt100 temperature sensor
- 0.1°C/min to 2°C/min ramp rate in heating and cooling process
- Export experimental profiles and results via Ethernet connection
- Compact bench top footprint - fumehood compatible
- Control mode: Block and Mass
- pH measurement option for each block
- Removable inserts for easy change of reaction vessels
- Monitor and control through PiLab
- Profile control – 100 steps
- Temperature stability of ±0.1°C
- Purging ports
- Distillation