Steam traps
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.
Inverted bucket
© Copyright 2016
HM34 Series
Carbon Steel
Inverted Bucket Steam Traps
Description
The HM34 is an inverted bucket steam trap manufactured in carbon steel
with an internal strainer fitted as standard.
It is designed for use on horizontal installations and will operate on steam
pressures up to 32 bar g.
Standards
This product fully complies with the requirements of the European
Pressure Equipment Directive 97/23/EC.
Certification
This product is available with certification to EN 10204 2.2.
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 or NPT.
DN25 socket weld ends BS 3799 Class 3000.
DN15, DN20 and DN25 standard flange EN 1092 PN40.
Available on request: Flanged ANSI 150 and ANSI 300 connections.
Pressure/temperature limits (ISO 6552)
Size 1⁄2" and 3⁄4"
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Steam
saturation
curve
TI-P072-01
ST Issue 5
5.6.18
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C
TMO Maximum operating temperature
Minimum operating temperature
300 °C
0 °C
32 bar
HM34/4
HM34/5
HM34/5
∆PMX
Maximum differential pressure
Size
DN15 - 1⁄2"
DN20 - 3⁄4"
DN25 - 1"
4 bar
HM34/8
HM34/10
HM34/12
8.5 bar
HM34/7
HM34/8
HM34/10
12 bar
HM34/6
HM34/7
HM34/8
20 bar
HM34/5
HM34/6
HM34/6
C
B
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A - B
A - C
Body design conditions
PMA Maximum allowable pressure @ 120 °C
TMA Maximumallowabletemperature
Minimum allowable temperature
PMO Maximum operating pressure for saturated steam service 32 bar g
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Pressure bar g
The product must not be used in this region.
Screwed, socket weld, flanged EN 1092 PN40 and ANSI 300.
Flanged ANSI 150
Size 1"
Designed for a maximum cold hydraulic test pressure of 60 bar g
PN40
40 bar g
300°C
-10 °C
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