ALFACOM ENGINEERING LTD.

Steam Traps

Steam traps drain condensate while limiting unwanted live steam loss. Suitable designs also discharge air and non-condensable gases. Explore VALSTEAM ADCA trap families for the application and operating conditions.

Steam Traps — illustrative catalogue image

Steam Traps · Illustrative catalogue image

THE PRODUCT RANGE

Explore the Range

FLT41 English Details and Technical PDF → · All Steam Trap Models → · Compare Additional FLT Models → · Other Trap Types & Testing → · More Model Details → · IB30 & Compact Thermostatic Traps → · DT40R English Details →

Explore the equipment and selection topics below, then review the detailed catalogue for the selected product.

Explore all seven families and the model index in English. Technical PDF buttons open model-specific documents hosted on this website. Request documentation with your enquiry when a download button is not shown.

Steam Trap Model Index

Choose the operating principle, then review the model details. Final selection depends on condensate load, differential pressure, backpressure, installation and connection. Connection ratings and maximum operating conditions must be checked separately.

Thermodynamic Steam Traps

Steam Trap Testing Equipment

Additional Float and Thermostatic Trap Families

Compare body material and size range, then select the model and orifice using differential pressure, condensate load and installation requirements. Each family has an integral air vent.

Model Body family Size range
FLT21 SG iron DN15–DN25
FLT25 SG iron DN25
FLT27 SG iron DN40–DN50
FLT37 Carbon steel DN40–DN50
FLT47 Stainless steel DN40–DN50

ADCA FLT21 · SG iron · DN15–DN25

Compact float-and-thermostatic trap for modulating condensate discharge from process equipment.

Connections in the hosted sheet: Threaded ISO 7 Rp / NPT; PN16 or Class 150 flanged.

Listed differential-pressure variants: 4.5, 10 and 14. These identify the model's maximum differential-pressure variants; verify operating pressure and temperature separately for the actual connection and service.

Provide normal and start-up condensate loads, inlet pressure, return-line backpressure and installation orientation. Use the selected variant's capacity curve and installation instructions.

Open FLT21 Technical PDF

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ADCA FLT25 · SG iron · DN25

DN25 float-and-thermostatic family with a separate model-specific capacity table. Do not select it solely by connection size.

Connections in the hosted sheet: Threaded ISO 7 Rp / NPT; PN16 or Class 150 flanged.

Listed differential-pressure variants: 4.5, 10 and 14. These identify the model's maximum differential-pressure variants; verify operating pressure and temperature separately for the actual connection and service.

Provide normal and start-up condensate loads, inlet pressure, return-line backpressure and installation orientation. Use the selected variant's capacity curve and installation instructions.

Open FLT25 Technical PDF

Request FLT25 Selection and a Quotation →

ADCA FLT27 · SG iron · DN40–DN50

Larger float-and-thermostatic family for process duties requiring continuous condensate discharge.

Connections in the hosted sheet: Threaded ISO 7 Rp / NPT; PN16 or Class 150 flanged.

Listed differential-pressure variants: 4.5, 10 and 14. These identify the model's maximum differential-pressure variants; verify operating pressure and temperature separately for the actual connection and service.

Provide normal and start-up condensate loads, inlet pressure, return-line backpressure and installation orientation. Use the selected variant's capacity curve and installation instructions.

Open FLT27 Technical PDF

Request FLT27 Selection and a Quotation →

ADCA FLT37 · Carbon steel · DN40–DN50

Carbon-steel float-and-thermostatic family for higher-capacity condensate drainage duties.

Connections in the hosted sheet: Threaded ISO 7 Rp / NPT; PN40, Class 150 or Class 300 flanged; socket weld.

Listed differential-pressure variants: 4.5, 10, 21 and 32. These identify the model's maximum differential-pressure variants; verify operating pressure and temperature separately for the actual connection and service.

Provide normal and start-up condensate loads, inlet pressure, return-line backpressure and installation orientation. Use the selected variant's capacity curve and installation instructions.

Open FLT37 Technical PDF

Request FLT37 Selection and a Quotation →

ADCA FLT47 · Stainless steel · DN40–DN50

Stainless steel float-and-thermostatic family for process duties requiring the specified body construction and condensate capacity.

Connections in the hosted sheet: Threaded ISO 7 Rp / NPT; PN40, Class 150 or Class 300 flanged; socket weld.

Listed differential-pressure variants: 4.5, 10, 21 and 32. These identify the model's maximum differential-pressure variants; verify operating pressure and temperature separately for the actual connection and service.

Provide normal and start-up condensate loads, inlet pressure, return-line backpressure and installation orientation. Use the selected variant's capacity curve and installation instructions.

Open FLT47 Technical PDF

Request FLT47 Selection and a Quotation →

ADCA FLT41 Float and Thermostatic Steam Traps

Stainless steel float-and-thermostatic traps with an integral air vent, for modulating condensate discharge. Typical duties include heat exchangers, dryers, unit heaters and jacketed vessels.

The hosted sheet covers DN15–DN25 with threaded, flanged and socket-weld connections. Listed differential-pressure variants are FLT41-4.5, FLT41-10, FLT41-14, FLT41-21 and FLT41-32.

Select the orifice variant using the actual differential pressure and condensate load, including start-up conditions and backpressure. Capacity depends on both the variant and differential pressure. Verify body pressure-temperature limits for the selected connection and install in the configuration permitted by the instructions.

Open Model Technical PDF

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ADCA DT40R Thermodynamic Steam Traps

Stainless steel disc-type traps with intermittent discharge for saturated and superheated steam. The manufacturer sheet covers DN10–DN25 and describes an integral bimetallic air vent, insulation cover and built-in strainer.

Provide differential pressure, condensate load, backpressure, connection and installation arrangement for selection. Request the DT40R-specific technical document with your enquiry; documents for DT40/2 or DT40S are separate model references.

Open Model Technical PDF Request Model Selection and Documentation →

Additional Model Specifications & Selection

Float and Thermostatic Steam Traps

Thermodynamic Steam Traps

Thermostatic Steam Traps & Air Vents

Bimetallic Steam Traps & Air Vents

Universal Connectors, Traps & Stations

ADCA UCX41 · DN15–25

Stainless steel two-bolt universal pipeline connector allowing compatible traps to be replaced without disturbing the fixed pipework.

It is a connector, not a steam trap. Orient its swivel mating surface to suit the trap principle and follow the selected trap instructions. Do not assume interchangeability with four-bolt connectors.

ADCA UBS20 · Connector-dependent size

Sealed stainless steel bimetallic trap for compatible UCX connectors and CTS4U stations, including tracing and drip duties.

It discharges condensate below steam temperature. Confirm subcooling suitability, the selected connector and hot-condensate capacity; the connector may reduce the assembly operating limit.

ADCA UFS32 · Connector-dependent size

Sealed stainless steel float-and-thermostatic trap for continuous condensate drainage, for compatible UCX connectors and CTS4U stations.

Install horizontally with the TOP marking aligned as required by the instructions. Select the differential-pressure variant and check both trap and connector operating limits.

ADCA CTS4U / CTS4UD · DN15–25

Compact trapping station with a two-bolt interface for compatible universal swivel-connector traps, integrating isolation functions, a strainer and a check valve.

CTS4U has inlet and outlet isolation; CTS4UD adds double inlet isolation. Specify the trap separately and verify assembly compatibility, maintenance access and operating limits.

APPLICATION BEFORE SPECIFICATION

Selection Starts with Your Application

Provide the application, start-up and normal condensate loads, inlet pressure, return pressure and available differential pressure. Include connection details, installation orientation, air venting and maintenance requirements.

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Catalogue & Technical Documents

Review the model-specific technical information and installation requirements. Send a specification, drawing or existing model reference if you need help selecting equipment.

Browse the Detailed CatalogueCatalogue pages in Hebrew

Additional Steam Trap Types & Testing

Compare operating principles and model-specific requirements before selecting a trap.

IB12 — Inverted Bucket Steam Trap

SG iron trap for drip points, steam tracing and process equipment. It discharges intermittently at steam temperature.

DN15–20; female threaded ISO 7 Rp or NPT, with screw-on flange options. IB12-4, IB12-8 and IB12-12 have different maximum differential pressures. Install horizontally and select the orifice for the available differential pressure.

Download IB12 Technical PDF Request Model Selection & Documentation →

TH32 — Thermostatic Steam Trap & Air Vent

Thermostatic condensate drainage and air removal for process equipment, including sterilizers, cooking vessels and laundry equipment.

DN15–25. TH32Y is carbon steel; TH32i is stainless steel. LC versions provide lower capacity; CK denotes an integrated check valve. Thermostat selection determines condensate subcooling. Confirm connection, thermostat and capacity together.

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BM87 — Bimetallic Steam Trap & Air Vent

Carbon steel bimetallic trap for applications that can accommodate condensate discharge below steam saturation temperature, such as tracing lines and storage tank coils.

DN15–25, with threaded, flanged, socket-weld and butt-weld versions. The capacity chart separates hot condensate at 10°C below saturation from cold water at 20°C. Use the hot-condensate curve for the relevant duty; the cold-water figure does not represent normal hot-condensate capacity.

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UBS90 — Four-Bolt Universal Bimetallic Trap

Sealed stainless steel trap for use with UCX90 four-bolt universal pipeline connectors. Suitable applications include drip service and steam tracing where condensate sensible heat can be recovered.

UBS90/4 and UBS90/6 have different operating pressure ranges. Size and pipe connection depend on the selected connector. Install with the bimetal column horizontal or pointing upwards. Check the hot-condensate capacity curve and connector compatibility before selection.

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UTT-100 — Ultrasonic Trap Tester

Battery-powered handheld instrument providing visual and audible indication of ultrasonic frequencies for steam-trap inspection and leak detection.

The kit includes a pistol housing, contact module and headset. Interpret the signal against the trap type, operating cycle and process conditions. Use acoustic findings with pressure, temperature and application information when assessing trap performance.

Download UTT-100 Technical PDF Request Model Selection & Documentation →

Further Inverted Bucket, Thermostatic & Bimetallic Models

IBB12 — Inverted Bucket · DN20–25

SG iron inverted bucket trap with intermittent discharge at steam temperature. Typical duties include drip points, tracing lines and process equipment.

IBB12-4, IBB12-8 and IBB12-12 use different orifices for different maximum differential pressures. Female threaded Rp or NPT and screw-on flange options are listed. Horizontal installation is required.

Open IBB12 Technical PDF Request Selection & Documentation →

IB36 — Inverted Bucket · DN15–25

Carbon steel IB36S and stainless steel IB36i families for saturated or superheated steam, with intermittent condensate discharge.

The carbon steel and stainless steel versions have different differential-pressure variants. Select the body, orifice and connection together. Threaded, flanged and socket-weld connections are listed; butt weld is available on request in the source sheet. Install horizontally.

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TH13A — Angled Thermostatic Trap & Air Vent

Compact brass thermostatic trap and air vent with angled connections for process equipment and air venting duties.

1/2-inch female ISO 7 Rp connection. Install in the angled arrangement with the cover uppermost. Thermostat choice determines subcooling; confirm the required air-venting or condensate-drainage duty.

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TH21 — Thermostatic · DN15

Carbon steel thermostatic steam trap and air vent with a built-in strainer, for process condensate drainage and air removal.

TH21LC is the lower-capacity variant. The sheet lists threaded Rp or NPT, PN25 or Class 150 flanged, socket-weld and butt-weld-on-request versions. Capacity and condensate subcooling depend on the selected thermostat and model.

Open TH21 Technical PDF Request Selection & Documentation →

BM88 — Bimetallic · DN15–25

Carbon steel bimetallic trap for condensate drainage and air venting, including high-pressure superheated steam duties where condensate subcooling is acceptable.

The sheet lists threaded Rp or NPT, PN100 or Class 600 flanged, socket-weld and butt-weld connections. It discharges below saturation temperature. Verify the hot-condensate capacity and the pressure-temperature limits for the selected connection.

Open BM88 Technical PDF Request Selection & Documentation →

BM89 — Bimetallic · DN15–25

Carbon steel bimetallic trap for higher-pressure superheated steam duties, tracing lines and applications that can recover sensible heat from condensate.

The sheet lists threaded Rp or NPT, PN160 or Class 900 flanged, socket-weld and butt-weld connections. Nominal connection ratings are not operating-pressure guarantees. Check the applicable pressure-temperature table, hot-condensate capacity and installation instructions.

Open Model Technical PDF Request Selection & Documentation →

IB30 Size Families & Compact Thermostatic Traps

IB30 — Inverted Bucket · 1/2–1 inch

IB30S carbon steel and IB30SS stainless steel traps provide intermittent condensate discharge for drip points, tracing lines and process equipment.

Install horizontally. The small-size family includes -4, -8, -12 and -17 differential-pressure variants. Threaded Rp or NPT and socket-weld connections are listed, with butt weld on request. Use the selected material and orifice limits; do not substitute the larger IB30 installation arrangement.

IB30 — Inverted Bucket · DN40–50

Carbon steel IB30S traps for larger condensate loads in dryers, heat exchangers, heating coils and process equipment.

Install vertically. This family lists IB30S-4, IB30S-8 and IB30S-12 variants. Threaded, flanged and socket-weld connections are listed, with butt weld on request. Size and orifice selection require the actual condensate load, differential pressure and return-line conditions.

TSS22 / TSS22H — Stainless Steel Thermostatic Traps

Compact balanced-pressure thermostatic steam traps and air vents for process equipment and small steam consumers.

Female threaded ISO 7 Rp or NPT. TSS22 covers 1/4–1 inch; the higher-capacity TSS22H capacity table covers 1/2–1 inch. Thermostat selection affects condensate subcooling and capacity. The sheet permits installation in any position; follow the model-specific installation instructions.

TSW22 — Wafer Thermostatic Trap · DN15–25

Compact stainless steel balanced-pressure thermostatic steam trap and air vent in a wafer body.

Installed between EN 1092-1 PN40 flanges. The source sheet permits any installation position. Select the thermostat and verify hot-condensate capacity at the available differential pressure. Connection rating must be checked against the pressure-temperature limits for the actual duty.

Discuss Your Application

Send your requirements or a photo of the existing equipment for technical assistance and a quotation.

Availability and lead time are confirmed for the requested model and quantity.

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