STEAM TRAPS
Bimetallic & Thermostatic Steam Traps
Robust, maintenance-free bimetallic and membrane-thermostatic steam traps for superheated steam, tracing lines and process applications — Gestra, Spirax Sarco and Valsteam ADCA. 3-year Gestra guarantee, 10+ year lifespan.
Gestra

BK Series — Carbon Steel
Full range from standard to extreme high-pressure applications.
- ▸Body: Carbon Steel
- ▸Sizes: DN 15–25 (½”–1″)
- ▸Pressure: PN 40 up to PN 160
- ▸Max Temp: 350°C
BK 45, BK 45-U, BK 45-LT, BK 46

GESTRA
Product Type: Bimetallic steam trap
Rating: PN 40 / CLASS 300
Size / Connection: DN 15, 20, 25
Best for: Superheated steam, steam tracing, high back-pressure. 3-year GESTRA guarantee.
✔ IBR Approved ✔ Long Service Life ✔ Low Maintenance
UNA 45-46

SPIRAX SARCO
UNA 45 / UNA 46
Body: Carbon Steel / Stainless Steel • Sizes: DN15–DN65 • Max Pressure: up to 40 bar • Max Temp: up to 300–350°C • Max ΔP: up to 32 bar • Max Flow: high capacity • Connections: Flanged/Screwed/Welded
Best for: High load industrial steam systems
✔ IBR Approved ✔ Long Service Life ✔ Low Maintenance
UNA 38-39

SPIRAX SARCO
UNA 38 / UNA 39
Body: Carbon Steel • Sizes: DN15–DN50 • Max Pressure: PN100–160 • Max Temp: up to 550°C • Max ΔP: up to 80–140 bar • Max Flow: very high capacity • Connections: Flanged/Welded
Best for: High pressure steam applications
✔ IBR Approved ✔ Long Service Life ✔ Low Maintenance
UNA 45 MAX / 46 MAX / 46A MAX

SPIRAX SARCO
UNA 45 MAX / UNA 46 MAX / UNA 46A MAX
Body: Carbon Steel / Stainless Steel • Sizes: DN40–DN65 • Max Pressure: 40 bar • Max Temp: up to 350°C • Max ΔP: up to 32 bar • Max Flow: very high capacity • Connections: Flanged/Screwed/Welded
Best for: Heavy condensate loads & high capacity systems
✔ IBR Approved ✔ Long Service Life ✔ Low Maintenance
GESTRA
Bimetallic Steam Traps
Thermostatic bimetallic traps engineered for superheated steam, steam tracing and high back-pressure applications. PN 16 to PN 100. 3-year GESTRA guarantee, 10+ year operational lifespan.
BK 45

BK 45
GESTRA
Product Type: Bimetallic steam trap
Rating: PN 40 / CLASS 300
Size / Connection: DN 15, 20
Best for: Superheated steam, steam tracing, high back-pressure. 3-year GESTRA guarantee.
BK 46

BK 46
GESTRA
Product Type: Bimetallic steam trap — enhanced capacity
Rating: PN 40 / CLASS 300
Size / Connection: DN 15–25
Best for: General condensate removal, steam tracing, medium loads. 3-year GESTRA guarantee.
BK 47

BK 47
GESTRA
Product Type: Heavy-duty bimetallic steam trap
Rating: PN 63 / CLASS 600
Size / Connection: DN 15–25
Best for: High-pressure tracing, refineries, petrochemical. 3-year GESTRA guarantee.
BK 15

BK 15
GESTRA
Product Type: Compact bimetallic steam trap
Rating: PN 16 / CLASS 150
Size / Connection: DN 15
Best for: Low-pressure steam tracing, small steam mains, space-constrained installations.
BK 27 / BK 28

BK 27 / BK 28
GESTRA
Product Type: High-pressure bimetallic steam trap
Rating: PN 100 / CLASS 600
Size / Connection: DN 15
Best for: Superheated steam at very high pressure, refinery tracing and process lines.
GESTRA
Thermostatic Steam Traps — Membrane Type
Precision membrane-regulated thermostatic traps for exact condensate discharge. Ideal for process plant, heat exchangers and applications requiring controlled subcooling. 3-year GESTRA guarantee.
BK 73

BK 73
GESTRA
Product Type: Thermostatic steam trap — membrane type
Rating: PN 40 / CLASS 300
Size / Connection: DN 15, 20
Best for: Process applications requiring precise condensate discharge; subcooled operation.
BK 74

BK 74
GESTRA
Product Type: Thermostatic membrane trap — extended capacity
Rating: PN 40 / CLASS 300
Size / Connection: DN 15–25
Best for: High subcooling applications, process plant, heat exchangers.
SPIRAX SARCO
Thermostatic Steam Traps
Balanced pressure and bimetallic thermostatic steam traps for steam tracing, space heating and low-pressure steam mains. Self-draining, freeze-resistant design.
BPT14

BPT14
SPIRAX SARCO
Product Type: Balanced pressure thermostatic steam trap
Rating: PN 16 / CLASS 150
Size / Connection: DN 15, 20
Best for: Steam tracing, space heating — self-draining, freeze-resistant design.
BPT14HC

BPT14HC
SPIRAX SARCO
Product Type: High-capacity balanced pressure thermostatic trap
Rating: PN 16 / CLASS 150
Size / Connection: DN 20, 25
Best for: Higher condensate loads on tracing and small process applications.
SMC10

SMC10
SPIRAX SARCO
Product Type: Steam main drainer with thermostatic capsule
Rating: PN 40 / CLASS 300
Size / Connection: DN 15, 20
Best for: Steam main line drainage, start-up venting, pipeline warming.
VALSTEAM ADCA
Bimetallic & Thermostatic Steam Traps
Reliable bimetallic and liquid-expansion thermostatic traps for condensate removal on tracing lines and steam distribution. Compact, low-maintenance construction.
BM1

BM1
VALSTEAM ADCA
Product Type: Bimetallic steam trap
Rating: PN 16–40 / CLASS 150–300
Size / Connection: DN 15, 20
Best for: Reliable condensate discharge on steam tracing and distribution lines.
TH2

TH2
VALSTEAM ADCA
Product Type: Thermostatic steam trap — liquid expansion element
Rating: PN 16 / CLASS 150
Size / Connection: DN 15, 20
Best for: Low-pressure tracing, freeze-resistant, self-draining.
TH3

TH3
VALSTEAM ADCA
Product Type: High-pressure thermostatic steam trap
Rating: PN 40 / CLASS 300
Size / Connection: DN 15
Best for: Superheated steam tracing, higher-pressure tracing lines.
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