Description

Spirax Sarco's PBX bimetallic steam traps comprise of a stainless

steel trap assembly coupled to a carbon steel body connector.

Pre-set and maintenance free, these steam traps can be mounted

in any position. When the connector has been installed, the

bimetallic trap assembly can be fitted within a few minutes without

having to disturb the pipework.

PBX steam traps are particularly suitable for food, pharmaceutical

and oil industries, and are designed for a wide range of applications

such as tracing, drips and draining collectors.

Available types

Standards

PBX20 0.1 bar to 21 bar

PBX30 10 bar to 32 bar

5

3

4

6

2

This product fully complies with the requirements of the European

Pressure Equipment Directive 97/23/EC.

5.3.17

Certification

This product is available with certification to EN 10204 3.1.

Note: All certification / inspection requirements must be stated at

the time of order placement.

Sizes and pipe connections

1⁄2", 3⁄4" and 1" screwed BSP/NPT and socket weld.

1

Pressure/temperature limits

Steam

saturation

curve

PMA Maximum allowable pressure

TMA Maximum allowable temperature

Minimum allowable temperature

PMO

Maximum operating PBX20

pressure

PBX30

TMO Maximum operating temperature

Minimum operating temperature

Stainless steel

Graphite - stainless steel

Minimum operating pressure PBX20

for satisfactory operation

PBX30

Pressure bar g

The product must not be used in this region.

The product should not be used in this region or beyond

its operating range as damage to the internals may occur.

Body design conditions

PN110, Class 600 to ASME B 16.34

Materials

No. Part

1 Connector body

2 Strainer screen

3 Bimetallic trap assembly

4 Flange

5 Bolt

6 Gasket

Material

Carbon steel

Stainless steel

Stainless steel

Stainless steel

or steel

102 bar g @ 37.8°C

425°C @ 60 bar g

-10°C

21.0 bar g @ 400°C

32.0 bar g @ 400°C

400°C

0°C

0.1 bar g

10.0 bar g

DPMX

The backpressure for correct operation must not exceed

90% of the upstream pressure.

Designed for a maximum cold hydraulic test pressure of 124 bar g

ASTM A105N

AISI 304L

AISI 316L

AISI 316L A105

A4 - 80

Steam traps

PBX20 and PBX30

Quick Fit Connector

Bimetallic Steam Traps

Bimetallic

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.

© Copyright 2012

TI-P626-02

ST Issue 4

T

e

m

p

e

r

a

t

u

r

e

°

C