Product Handbook 2026 - Volume 2

Steam traps Thermodynamic

8

Pressure/temperature limits

Pressure (bar g)

(42)

(0)

(10)

(20)

(30)

(40)

(50)

(63)

572 797 392 212 32

300 425 200 100 0

A

255

491

B

Steam saturation curve

C

0

145

290

435

580

725

914

609

Pressure psi g

The product must not be used in this region. For optimum product performance the PMO should not exceed 609 psi g (42 bar g).

A - C TD52M and TD52MLC A - C TD52MA and TD52MLCA

Body design conditions

PN63

PMA Maximum allowable pressure

914 psi g @ 248 °F (63 bar g @ 120 °C)

TMA Maximum allowable temperature

797 °F @ 609 psi g (425 °C @ 42 bar g)

Minimum allowable temperature

32 °F (0 °C)

PMO Maximum operating pressure for saturated steam service

609 psi g (42 bar g)

TD52M and MLC 797 °F @ 609 psi g (425 °C @ 42 bar g) TD52MA and MLCA 491 °F @ 609 psi g (255 °C @ 42 bar g)

TMO Maximum operating temperature

Minimum operating temperature

32 °F (0 °C)

PMOB Maximum operating backpressure must not exceed 80% of the upstream pressure

TD52M and MLC

3.63 psi g (0.25 bar g)

Minimum operating differential pressure for satisfactory operation

TD52MA and MLCA

8.7 84

Designed for a maximum cold hydraulic test pressure of

1378 psi g (95 bar g)

Materials No. Part

Material

1 2 3

Body

Stainless steel

AISI 420

2 3

Cap

Stainless steel

AISI 416

Disc

Stainless steel

BS 1449 420 S45

Insulating cover (optional extra)

1

4

Aluminium

BS 1470 SIC M

TI-P068-18 CMGT Issue 6

Page 2 of 4

TD52M, TD52MLC, TD52MA and TD52MLCA Thermodynamic Steam Traps

Powered by