Product Handbook 2026 - Volume 2

Steam traps Thermodynamic

8

Pressure/temperature limits (ISO 6552) - Flanged EN 1092

0

290

580 Pressure psi g 870

1160

1450

797 752 572 392 212 32 797 752 572 392 212 32

500 400 300 200 100 0 500 400 300 200 100 0

0

290

580

870

1160

1450

A

C

PN40

20 Steam saturation curve

C

0

40

60

80

100

0

20

40

60

80

100

Pressure bar g

580 667 870 Pressure psi g

0

290

1160

1450

797 752 572 392 212 32 797 752 572 392 212 32

500 400 300 200 100 0 500 400 300 200 100 0

0

290

580 667 870

1160

1450

A

B

PN100

Steam saturation curve

B

0

20

40 46 60 Pressure bar g 40 46 60

80

100

0

20

80

100

The product must not be used in this region or beyond the parameter of the PMA or TMA of the relative end connection. The product should not be used in this region or beyond its operating range as damage to the internals may occur.

Body design condition

PN100

PMA Maximum allowable pressure

100 bar g @ 50 °C

1450 psi g @ 122 °F

TMA Maximum allowable temperature

400 °C @ 59.5 bar g

752 °F @ 863 psi g

Minimum allowable temperature

-10 °C

14 °F

PMO Maximum operating pressure

46 bar g @ 400 °C

667 psi g @ 752 °F

A - B - B PN100

TMO Maximum operating temperature

400 °C @ 46 bar g

752 °F @ 667 psi g

8.7 60

Minimum operating temperature

0 °C

32 °F

Minimum operating pressure

1.5 bar g

22 psi g

Maximum operating backpressure

80% of upstream pressure

Product is safe for use under full vacuum conditions Designed for a maximum cold hydraulic test pressure of:

150 bar g

2176 psi g

Body design condition

PN40

PMA Maximum allowable pressure

40 bar g @ 50 °C

580 psi g @ 122 °F

TMA Maximum allowable temperature

400 °C @ 23.8 bar g

752 °F @ 345 psi g

Minimum allowable temperature

-10 °C

14 °F

Maximum operating pressure for saturated steam service

PMO

31.1 bar g @ 238 °C

451 psi g @ 460 °F

A - C - C PN40

TMO Maximum operating temperature

400 °C @ 23.8 bar g

752 °F @ 345 psi g

Minimum operating temperature

0 °C

32 °F

Minimum operating pressure

1.5 bar g

22 psi g

Maximum operating backpressure

80% of upstream pressure

Product is safe for use under full vacuum conditions Designed for a maximum cold hydraulic test pressure of:

60 bar g

870 psi g

TI-P187-04 CMGT Issue 12

Page 4 of 10

TDC46M Carbon Steel Thermodynamic Steam Trap with Maintainable Seat

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