Designed for refrigeration applications such as display cases in supermarkets, walk-in/reach-in coolers, freezers

Alco Controls TI series of Thermo-Expansion Valves with interchangeable orifices are designed for refrigeration applications such as display cases in supermarkets, walk-in/reach-in coolers, freezers, soft ice cream/ice maker machines, milk tank coolers, transport refrigeration as well as for air conditioning and heat pump systems.

The TI range provides flexibility in capacity and is ideal for those applications that require compact size with stable and accurate control over wide load and evaporating range.

• Laser-welded diaphragm with large diameter for high reliability and maximum lifetime
• Constant superheat across wide application ranges
• Easy and precise superheat setting by modified threads
• TILE with stainless steel fittings allow brazing without wet rags
• With capacities between 0.4 kW and 14.2 kW (R404A) ideally suited for service work
• Internal or external equaliser
• Brazing and flare connections available
• Capillary tube length 1.5 m
• PS: 45 bar. TS: -45 … +75°C
• No CE marking according art. 4.3 PED 2014/68/EU

View TI Series on Emerson site

Thermo-expansion valves designed for heat pumps, air conditioning, small chillers, precision cooling and refrigeration.

The TIH series are ideal for applications requiring hermetic/compact size combined with stable and accurate control over wide load and evaporating temperature ranges.

• Compact size and hermetic design
• Up to 35kW for R410A, 49 kW for R32
• Brazing connections (imperial and metric) with straight through configuration
• Stainless steel power element resists corrosion
• Large diaphragm provides smoother and consistent valve control
• Internal or external equalizer
• External superheat adjustment
• Standard with integrated 100 mesh size strainer at inlet of valve
• Packaging with 20 pieces necked including bulb fastening accessories and single operating instruction
• Balanced port design (normal flow direction only)
• Bleed hole function on request
• No CE marking according art. 4.3 PED 2014/68/EU

View TIH Series on Emerson site

Thermo-expansion valves TX7 series for applications requiring hermetic / compact size combined with accurate control

The TX7 series of Thermo™-Expansion Valves are designed predominantly for A/C, heat pumps, close control and industrial process cooling applications.

The TX7 is ideal for applications requiring hermetic or compact size combined with stable and accurate control over wide load and evaporating temperature ranges.

• Monoblock, hermetic valve with brazing connections
• 7 sizes up to 180 kW (R410A)
• Maximum working pressure: PS 46 bar
• Factory test pressure: PT 50.6 bar
• Bi-Flow application
• Power Element with 65 mm diameter enables low partial load (20-25%) performance at stable superheat
• Applicable in systems with digital scroll, step less screw compressors and variable speed compressors
• Floating superheat in reverse flow (heating mode) supports evaporator efficiency during low ambient operating conditions in air cooled reversible chillers
• Laser welded stainless steel power element with a special diaphragm profile provides life expectancy against high pressure during reversed flow via external equalizer
• No CE marking according art. 4.3 PED 2014/68/EU

View TX7 Series on Emerson site

Thermo-Expansion Valve Series T with exchangeable power assemblies and orifices

The Thermo-Expansion T Series valves offer exchangeable power assemblies and orifices.

• Modular design for economical logistics and easy assembly and servicing
• Very good stability is attained because of the large forces generated by the large diaphragm diameter
• High-quality materials and processes for high reliability and long lifetime
• Superior partial load performance due to double seat orifice design (TJRE, TERE, TIRE & THRE)
• Biflow capability for applications in heat pumps
• Capillary tube length 1.5 m (TCLE, TJRE) and 3m (TERE, TIRE & THRE)
• PS: 46 / 31 bar with XB / XC power assembly
• TS: -45 … +65°C
• No CE marking according art. 4.3 PED 2014/68/EU

View T Series on Emerson site

Thermo- Expansion Valve Series ZZ for Low Evaporating Temperatures Between -45 and -100°C

• Modular design for economical logistics and easy assembly and servicing
• Very good stability due to large diaphragm diameter
• High-quality materials and processes for high reliability and long lifetime
• To withstand stress at extremely low temperatures, ZZ-Series valves feature bronze bolts
• Max. working pressure PS: 31 bar with XC power assembly
• No CE marking according art. 4.3 PED 2014/68/EU

View ZZ Series on Emerson site

Alco Controls liquid injection valve series L with exchangeable power assemblies and orifices

• Applications for Series L valves include superheat control (desuperheating suction gas)
• Modular design for economical logistics and easy assembly and servicing
• Very good stability is attained because of the large forces generated by the large diaphragm diameter
• High-quality materials and processes for high reliability and long lifetime
• Superior partial load performance due to seat orifice design (LJRE, LERE & LIRE)
• Capillary tube length 3 m
• PS: 46 / 31 bar with XB / XC power assembly
• TS: -45 … +65°C
• No CE marking according art. 4.3 PED 2014/68/EU

View L Series on Emerson site

Alco Controls liquid injection valves series 935 with exchangeable power assemblies and orifices

• Applications for Series 935 valves include temperature control (desuperheating discharge gas)
• Modular design for economical logistics and easy assembly and servicing
• Very good stability because of the large forces generated by the large diaphragm diameter
• High-quality materials and processes for high reliability and long lifetime
• Combinations of different charges with various orifice springs cover a very large application range
• No CE marking according art. 4.3 PED 2014/68/EU
• PS: 46 bar
• TS: -45 … +65°C

View 935 Series on Emerson site

Power assemblies for TI Series hermetic thermo-expansion valves

TI Series power assembly features:

• Laser-welded diaphragm with large diameter for high reliability and maximum lifetime
• Constant superheat across wide application ranges
• Easy and precise superheat setting by modified threads
• TILE with stainless steel fittings allow brazing without wet rags
• Capillary tube length 1.5 m
• PS: 45 bar TS: -45…+75°C

View TI Series Power Assemblies on Emerson site

Power assemblies for T Series take-apart thermo-expansion valves

T Series power assembly features:

• Modular design for economical logistics and easy assembly and servicing
• Very good stability is attained because of the large forces generated by the large diaphragm diameter
• High-quality materials and processes for high reliability and long lifetime
• Biflow capability for applications in heat pumps
• Superior partial load performance due to double seat orifice design (TJRE, TERE, TIRE & THRE)

View T Series Power Assemblies on Emerson site

Flanges for T Series and ZZ series take-apart thermo-expansion valves

• Modular design for economical logistics and easy assembly and servicing
• High-quality materials and processes for high reliability and long lifetime

View Flanges for T and ZZ Series on Emerson site

Orifices for TI Series hermetic thermo-expansion valves

• Modular design for economical logistics and easy assembly and servicing
• TS: -45…+75°C

View Orifices for TI Series on Emerson site

Orifices for T, L & CPHE Series take-apart thermo-expansion valves

• Modular design for economical logistics and easy assembly and servicing
• High-quality materials and processes for high reliability and long lifetime
• Superior partial load performance due to double seat orifice design (TJRE, TERE, TIRE & THRE)

View Orifices for T Series on Emerson site

Alco Controls series of 2-way, normally closed compact solenoid valves

• Compact size
• No disassembly necessary for soldering
• ESC-EX.. Coils available for use on valves with flammable refrigerant (A2L or A3)
• 110RB…FLR and 200RB…FLR models for use with propane
• Extended copper tubes for easy installation
• Max. Allowable pressure PS: 31 bar
• Factory pressure test PT: 34 bar
• Medium temperature TS:-40…+120°C

View 110 RB / 200 RB / 240 RA on Emerson site

Alco Controls 540 series of 2-way, normally open compact solenoid valves

• Compact size
• No disassembly necessary for soldering
• ESC-EX.. Coils available for use on valves with flammable refrigerant (A2L or A3)
• 110RB…FLR and 200RB…FLR models for use with propane
• Extended copper tubes for easy installation
• Max. Allowable pressure PS: 31 bar
• Factory pressure test PT: 34 bar
• Medium temperature TS:-40…+120°C

View 540 Series on Emerson site

Alco Controls series of 2-way, normally closed compact solenoid valves for high pressure applications

• Compact size
• No disassembly necessary for soldering
• Extended copper tubes for easy installation
• Valve for high pressure refrigerants
• Max. Allowable pressure PS: 200RH 60 bar (200RH6T5 50 bar), 200RC 130 bar
• Factory pressure test PT: 200RH 66 bar (200RH6T5 55 bar), 200RC 143 bar
• Medium temperature TS:-40…+120°C

View 220RH Series on Emerson site

3-Way solenoid valves series M36 for heat reclaim applications

• For heat reclaim application
• Pilot connection to suction line – required. No minimum pressure drop
• Compact size
• No disassembly necessary for brazing
• Max. allowable pressure PS: 35 bar
• Factory pressure test PT: 38.5 bar
• Medium temperature TS:-40…+120°C

View M36 Series on Emerson site

Alco Controls hot gas bypass regulators series ACP

Alco Controls hot gas bypass regulators from the ACP Series with high-quality materials for high reliability and long lifetime.

• High-quality materials and processes for high reliability and long lifetime
• Internal equalization
• Compact size
• Max. allowable pressure PS: 31 bar
• Medium temperature TS: -40 … +120°C

View ACP Regulators on Emerson site

Alco Controls hot gas bypass regulators series CPHE

Alco Controls hot gas bypass regulators series CPHE with superior partial load performance due to double seat orifice design.

• High-quality materials and processes for high reliability and long lifetime
• Superior partial load performance due to double seat orifice design (CPHE3 to CPHE6)
• Modular design for economical logistics and easy assembly and servicing
• External equalization
• Max. allowable pressure PS: 35 bar
• Medium temperature TS: -40 … +120°C

View CPHE Regulators on Emerson site

Crankcase Pressure Regulator Series PRC

• Compact design permits minimal space requirements
• Schrader valve on inlet for ease of setting
• Direct operated regulator
• Balanced port design provides accurate pressure control
• Copper tubes for easy soldering
• Max. Allowable pressure PS: 25 bar
• Factory pressure test PT: 30 bar
• Medium temperature TS:-30…+80°C

View PRC Regulators on Emerson site

Evaporator Pressure Regulator Series PRE

• Compact design permits minimal space requirements
• Schrader valve on inlet for ease of setting
• Direct operated regulator
• Balanced port design provides accurate pressure control
• Copper tubes for easy soldering
• Max. Allowable pressure PS: 25 bar
• Factory pressure test PT: 30 bar
• Medium temperature TS:-30…+80°C

View PRE Regulators on Emerson site

The first adjustable safety pressure control with a maximum working pressure of 70 bar

• Two ranges, 6 and 7 with narrow adjustable differential
• Precise switching and repeatability: snap action contacts => chatter free (bounce free) and accurate operation
• Contacts are designed as SPDT (single pole double throw) for control function and alarm/status reporting
• 2 million cycles reliability (TÜV EN 12263 approved)
• Maximum working pressure of 70 bar
• Standard type products
• Factory test pressure of 77 bar
• IP 33 (Control mounted flush against wall)
• TS: -25 … +150°C
• Marking CE, EAC

View CS1 on Emerson site

Alco Controls safety pressure switches with fixed-point settings for R744 applications

• Manual reset versions available
• Precise switching and repeatability; Snap Action Contacts => Chatter Free (Bounce free) and Accurate Operation
• Contacts are designed as SPDT (single pole double throw) for control function and alarm/status reporting
• Direct compressor mounting with adapter option
• 2 million cycles reliability (TÜV EN 12263 approved)
• IP65 protection if used with PS3-Nxx with plug (acc. EN 175301-803), no additional gasket required (molded into plug)
• Marking CE, UL, EAC
• Multipack 60 pcs

View CS3 on Emerson site

Differential Pressure Controls Series FD 113 with immediate reset and adjustable time delay functionality

• Immediate reset (no cooling down period)
• Precise timing
• Adjustable time delay from 20 to 150 sec (ZU types)
• Separate output signals for operation and alarm
• Suitable for supply voltage 24 to 240 V AC / DC
• IP30
• Marking CE, EAC
• TS -20 … +70°C

View FD-113 on Emerson site

Alco Controls pressure controls series PS1 with adjustable pressure setpoints

• Adjustable pressure setpoints
• Automatic and manual reset versions
• Flare and solder pressure connections
• Chatter-resistant (bounce-free) contacts
• High operational current, locked rotor max. 144 Amps (LRA)
• Standard SPDT with same operational current rating for both contac
• Including sealable blocking plate and mounting screws
• TS: -50 … +70°C
• IP 44 (Control mounted flush against wall)
• Marking CE, UL, EAC

View PS1 on Emerson site

Alco Controls dual pressure controls series PS2 with adjustable pressure setpoints

• Adjustable pressure setpoints
• Automatic and manual reset versions
• Flare and solder pressure connections
• Chatter-resistant (bounce-free) contacts
• High operational current, locked rotor max. 144 Amps (LRA)
• Dual pressostat with two separate SPDT for high and low pressure side
• Including sealable blocking plate and mounting screws
• TS: -50 … +70°C
• IP 44 (Control mounted flush against wall)
• Marking CE, UL, EAC

View PS2 on Emerson site

Alco Controls Pressure Controls Series PS3 with fixed switch-point settings

• Maximum allowable pressure up to 45 bar / test pressure up to 50 bar
• High and low pressure switches
• High temperature version with snubber for direct compressor mounting (range 6)
• Direct mounting reduces the number of joints and thus avoiding potential leakage
• Precise setting and repeatability
• IP 65 protection if used with PS3-Nxx cables with plug (acc. EN 175301-803), no additional gasket required (molded into plug)
• Cables with plug to be ordered separately
• Marking CE, UL, EAC

View PS3 on Emerson site

Alco Controls thermostats are electric circuit control devices which open or close an electric contact depending on temperature changes at the bulb

• Adjustable temperatures and differentials
• Chatter resistant contacts (bounce-free)
• High operational current, locked rotor max. 144 A (LRA)
• Standard SPDT with same operational current rating for both contacts
• Captive terminal and cover screws
• Range and differential individually lockable by wire seal
• IP44 (w/o off-switch), IP30 (with off-switch)
• Ambient temperature: -50 to +70°C
• Marking CE

View TS1 on Emerson site

Thermo-Expansion Valves designed for heat pumps, air conditioning, small chillers, precision cooling and refrigeration

Alco Controls TIH series of high-quality range Thermo-Expansion valves are designed predominantly for heat pumps, air conditioning, small chillers, precision cooling and refrigeration. The valves are ideal for applications requiring hermetic/compact size combined with stable and accurate control over wide load and evaporating temperature ranges.

• Compact size and hermetic design
• Up to 35kW for R410A, 49 kW for R32
• Brazing connections (imperial and metric) with straight through configuration
• Stainless steel power element resists corrosion
• Large diaphragm provides smoother and consistent valve control
• Internal or external equalizer
• External superheat adjustment
• Standard with integrated 100 mesh size strainer at inlet of valve
• Packaging with 20 pieces necked including bulb fastening accessories and single operating instruction
• Balanced port design (normal flow direction only)
• Bleed hole function on request
• No CE marking according art. 4.3 PED 2014/68/EU

View TIH Series on Emerson site

Alco Controls’ full range of hermetic and non-hermetic filter driers for all applications

The purpose of filter driers is to keep the refrigeration circuit clean of water, acid and solid contaminants. In case of contamination, corrosion and ice building can occur, as well as malfunction of the compressor.

View Filter Driers on Emerson site

Moisture Indicators with crystal indicators for long lifetime

Alco Controls selection of moisture / liquid indicators series MIA, CIA and AMI.

• Crystal indicator element for long lifetime and reliability
• Indication of dryness according to ASERCOM recommendation
• Easy determination of moisture content
• Sensitive indicator with calibrated four colours
• Large clear viewing area
• MIA / AMI for HFC, HFO/HFO Blends, max. allowable pressure PS: 45 bar MIA, 35 bar AMI
• CIA for HFC & CO2, max. allowable pressure PS: 60 bar
• Medium temperature TS: -40…+100°C

View Moisture Indicators on Emerson site

Alco Controls range of hermetic, top flange and bottom flange oil separators

• Stainless steel needle valve and floater
• Permanent magnet to catch iron particles out of the system
• Corrosion-resistant epoxy powder coating
• ODF Copper fittings for easy soldering
• Temperature range TS: -10°C … +150°C
• Max. allowable pressure PS: 31 bar

View Oil Separators on Emerson site

Alco Controls selection of hermetic ball valves

• BVS/CVS version with Schrader valve
• Two threads at valve body for easy mounting
• Hermetic design with Laser welded valve body
• Bi-directional flow characteristics
• Valve cap retained by strap attached to main body
• Pressure relief port design
• CE Marking acc. PED (from BVE-138 up to BVE-318)
• To protect valve from unauthorized use, a special seal cap is available as accessory
• BVE/S, Max. allowable pressure PS: 45 bar
• CVE/S for CO2, Max. allowable pressure PS: 60 bar
• Medium temperature TS: -40…+120°C (short term +150°C)

View Ball Valves on Emerson site

Alco Controls selection of hermetic suction accumulators

• Hermetic design
• ODF Copper fittings for easy brazing
• Corrosion-resistant epoxy powder coating
• Internal orifice with strainer for optimum oil return
• Max. allowable pressure PS: 20.7 bar (-10°C…+65°C); 15.5 bar (-45°C…-10°C)
• Medium temperatrure TS: -45…+65°C

View Suction Accumulators on Emerson site

Electronic Expansion Valves Series CX2 – Pulse width modulated with exchangeable orifices for high-pressure CO2 applications

• Pulse width modulated
• Shut-off function eliminates the necessity of a separate solenoid valve
• Dampened plunger reduces noise effects of water hammer
• One valve body can be combined with 6 orifices to make 7 capacity ranges up to 28.2 kW (R744)
• Long lifetime, high reliability
• PS: 90 bar, TS: -40…+65°C
• MOPD: 30 … 40 bar
• No CE marking according art. 4.3 PED 2014/68/EU

View CX2 Valves on Emerson site

Electronic Expansion Valves Series EX2 – Pulse width modulated with exchangeable orifices

• Pulse width modulated
• Shut-off function eliminates the necessity of a separate solenoid valve
• Dampened plunger reduces noise effects of water hammer
• One valve body can be combined with 6 orifices to make 7 capacity ranges
• Applicable to all common refrigerants (HCFC, HFC , HFO/HFO Blends) and for subcritical CO2 applications
• Long lifetime, high reliability
• PS: 40bar, TS: -40 to +65°C
• MOPD 30 bar
• No CE marking according art. 4.3 PED 2014/68/EU

View EX2 Valves on Emerson site

Electrical Control Valves for multiple applications & functions

Electrical control valves series EX4-8 – Multifunction as expansion valve, hot gas bypass, suction gas throttling, head pressure, liquid level actuator etc.

• Fully hermetic design (no thread joints between valve body and motor compartment)
• Applicable to all common refrigerants (HCFC, HFC , HFO/HFO Blends) and for subcritical CO2 applications. EX4-7 released for R290.
• Stepper motor driven
• Short opening and closing time
• Very fast full-stroke time
• High resolution and excellent repeatability
• Positive shut-off function to eliminate the need for additional solenoid valve
• Bi-flow versions for heat pump applications
• High linear flow capacity

View EX4-8 Valves on Emerson site

Stepper motor driven valves for precise control of refrigerant mass flow in CO2 systems

CV4-x are stepper motor driven valves for precise control of refrigerant mass flow in CO2 systems.

• Maintenance free
• Fully hermetic design with ODF connections
• Stepper motor driven
• High resolution and excellent repeatability
• Extremely wide capacity range (10…100%)
• Optimal solution applied to offer the highest reliability and lifespan, accordingly to the high differential pressures in the CO2 systems

View CV4-6 Valves on Emerson site

Electronic Oil Level Management Systems

The Emerson TraxOil oil management is a self-contained and reliable electronically controlled system with an integrated solenoid valve, which feeds missing oil directly into the compressor sump. The sight glass function remains fully available, status and level information is indicated by LEDs. The integrated alarm function with compressor shut down completes the overall proven solution for compressor protection.

• OM3 for HFC, HFO/HFO Blends refrigerants, max. working pressure PS 46 bar
• OM4 for liquid R744 (CO2) subcritical and HFC, HFO/HFO Blends, max. working pressure PS 60 bar
• OM5 for liquid R744 (CO2) transcritical, max. allowable pressure 100 bar (oil inlet 130 bar)
• Self-contained unit with oil level sensor and integral solenoid to manage oil level supply
• 3 Zone Level Control by using precise Hall-Sensor measurement, not prone to errors by foaming or light like optical sensors
• Alarm, status and level indication by LEDs
• Supply 24VAC or 230VAC
• SPDT output contact for compressor shut down or alarming, rating 230VAC / 3A
• Max. Operating Pressure difference OM3, OM4 30 bar, OM5 100 bar
• Medium temperature TS: -20.…+80°C / +5 .…+80°C (oil inlet)
• Ambient temperature: -15 …+50°C

View Traxoil on Emerson site

Electronic Oil Level Management Systems

OW4 and OW5 TraxOil are intended for systems which require oil level monitoring and alarming instead of active oil level balancing.

• OW4 for CO2 subcritical and HFC, HFO/HFO Blends refrigerants, max. working pressure PS: 60 bar
• OW5 for CO2 transcritical, max. working pressure PS: 100 bar
• CO2 optimized gasket material, not released for HCFC and HFCs
• 3 Zone Level Control by using precise Hall-sensor measurement, not prone to errors by foaming or light like optical sensors
• Alarm, status and 3 zone indication by LEDs
• SPDT output contact for compressor shut down or alarming, rating 230VAC / 3A
• Easy installation by sight-glass replacement and front side mounting without nuts

View OilWatch on Emerson site

Electronic Oil Level Management Systems

LW4 and LW5 are self-contained units intended for liquid level monitoring and control at the sight glass connection of vessels, maintaining a permanent visibility of the liquid level versus other liquid level sensors

• LW4 for liquid CO2, HFC, HFO/HFO Blends refrigerants and oil (MWP: 60 bar)
• LW5 for liquid CO2 and oil (MWP: 130 bar)
• Two versions of each model: LW4/5-H for high liquid level monitoring, LW4/5-L for low liquid level monitoring
• 3 zone level control by using precise Hall-sensor measurement, not prone to errors by foaming or light like optical sensors
• Alarm, status and 3 zone indication by LEDs
• Dual monitoring and protection
• 24V output signal for critical liquid levels
• SPDT output contact for alarming, rating 230VAC / 3A
• Easy installation by sight-glass replacement and front side mounting without nuts

View LevelWatch on Emerson site

Alco Controls range of hermetic, top flange and bottom flange oil separators

• Stainless steel needle valve and floater
• Permanent magnet to catch iron particles out of the system
• Corrosion-resistant epoxy powder coating
• ODF Copper fittings for easy soldering
• Temperature range TS: -10°C … +150°C
• Max. allowable pressure PS: 31 bar

View Oil Separators on Emerson site