Steam traps Ball float
8
Standards This product fully complies with the requirements of the European Pressure Equipment Directive 2014/68/EU and carries the mark when so required. 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 DN15, DN20, DN25, DN40 and DN50.
Horizontal traps: Note the flow direction when facing the body: - DN15 to DN25 is left to right. - DN40 and DN50 is right to left. Standard flanges are EN 1092 PN40 with face-to-face dimensions in accordance with EN 26554 (Series 1), ASME B 16.5 Class 150, ASME B 16.5 Class 300 and JIS/KS 20 flanges are also available with extended face-to-face dimensions. Vertical traps: Note that the flow direction is vertically downwards only. Standard flanges are EN 1092 PN40 with face-to-face dimensions in accordance with EN 26554 (Series 1). ASME B 16.5 Class 150, ASME B 16.5 Class 300 and JIS/KS 20 are also available with face-to-face dimensions in accordance with EN 26554 (Series 1). ASME / JIS / KS flanges are supplied with tapped holes to receive flange bolts. ASME flanges have UNC threads and JIS / KS have metric threads.
Pressure/temperature limits
A
The product must not be used in this region. This product should not be used in this region as damage to the internals may occur.
Steam saturation curve
D
C B
Pressure bar g
A - B Flanged EN 1092 PN40 and ASME 300 A - C Flanged JIS/KS 2 A - D Flanged ASME 150.
Body design conditions
PN40
PMA Maximum allowable pressure
40 bar g @ 100 °C
8.5 78
TMA Maximum allowable temperature
300 °C @ 27.5 bar g
Minimum allowable temperature
-10 °C
Maximum operating pressure for saturated steam service Note: The DN40 and DN50 traps are limited to a PMO equal to DPMX
PMO
32 bar g @ 239 °C
TMO Maximum operating temperature
285 °C @ 28.5 bar g
Minimum operating temperature Note: For lower operating temperatures consult Spirax Sarco
0 °C
Size
DN15, DN20, DN25
DN40, DN50
FT44-4.5 FT44-10 FT44-14
4.5 bar
4.5 bar
10 bar
10 bar
D PMX Maximum differential pressure
14 bar
-
FT44-21
21 bar
21 bar
FT44-32
32 bar
32 bar
Product is safe for use under full vacuum conditions Designed for a maximum cold hydraulic test pressure:
60 bar g
Caution: The trap in its complete operational form must not be subjected to a pressure greater than 48 bar otherwise damage to the internal mechanism may result.
TI-S02-14 CMGT Issue 18
Page 2 of 7
FT44 Carbon Steel Ball Float Steam Traps (DN15 to DN50)
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