Spirax Sarco - Catalogo Agosto 2017

Cert. No. LRQ 0963008

ISO 9001

Description

The TD42A is a maintainable thermodynamic steam trap where the

release of air is a concern. It is supplied with an anti-air-binding

disc.

Standards

This product fully complies with the requirements of the European

Pressure Equipment Directive 97/23/EC.

Certification

This product is available with a manufacturers' Typical Test Report.

Note: All certification/inspection requirements must be stated at

the time of order placement.

Sizes and pipe connections

", 1⁄2" LC and 1⁄2" screwed BSP (BS 21 parallel) or NPT.

Optional extras

Insulating cover: to prevent the trap being unduly influenced

by excessive heat loss such as when subjected to low outside

5.7.15

temperatures, wind, rain, etc.

Integral blowdown valve: a BDV1 or BDV2 can be fitted to the

strainer cap, alternatively the strainer cap can be drilled, tapped

and plugged " BSP or NPT.

Pressure/temperature limits

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Steam

saturation

curve

Body design conditions

PMA Maximum allowable pressure

TMA Maximum allowable temperature

PN63

63 bar g @ 100°C

Steam traps

Thermodynamic

TD42A

Thermodynamic Steam Trap

TI-P151-04

ST Issue 5

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Pressure bar g

The product must not be used in this region.

For optimum product performance the PMO should not

exceed 42 bar g.

Anti-air-binding disc

-10°C

Minimum operating temperature

0°C

Note: For lower operating temperatures consult Spirax Sarco

Maximum backpressure should not exceed 80% of

PMOB the inlet pressure under any conditions of operation

otherwise the trap may not shut-off.

Minimum allowable temperature

PMO Maximum operating pressure 42 bar g recommended

TMO Maximum operating temperature

255°C

No. Part

1 Body

2 Cap

3 Disc

4 Strainer screen

5 Strainer cap

6 Strainer cap gasket

Insulating cover

(optional extra)

Material

Stainless

Bi-metal

Stainless

steel

ASTM A743 Gr. CA 40 F

AISI 416

BS 1449 420 S45

BS 1449 304 S16

AISI 416

BS 1449 304 S16

Minimum operating differential pressure

for satisfactory operation

0.8 bar g

Designed for a maximum cold hydraulic test pressure of 95 bar g

Aluminium

400°C @ 42 bar g

Materials

Local regulations may restrict the use of this product to below the conditions quoted.

In the interests of development and improvement of the product, we reserve the right to change the specification without notice.