Siemens Sitrans LR250 Instruction Manual page 14
Hart
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Also See for Sitrans LR250:
- Operating instructions manual (306 pages) ,
- Quick start manual (272 pages) ,
- Instruction manual (175 pages)
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Serial number: a unique number allotted to each flange, including the date of
manufacture (MMDDYY) followed by a number from 001 to 999.
Flange series: the Siemens Milltronics drawing identification.
Nominal size: the flange size followed by the hole pattern for a particular flange class.
For example – a 2 inch ANSI B 16.5 150 lb class flange (North America)
or
Material:
the basic flange material (AISI or EU material designation). North
American material codes are followed by /European ones. For example,
material designation 316L/1.4404.
Heat code:
a flange material batch code identification.
Flange
Flange Class
a
size
2"
ANSI 150#
3"
ANSI 150#
4"
ANSI 150#
2"
ANSI 300#
3"
ANSI 300#
4"
ANSI 300#
DN 50
EN PN 16
DN 80
EN PN 16
DN 100
EN PN 16
DN 50
EN PN 40
DN 80
EN PN 40
DN 100
EN PN 40
50 mm
JIS 10K
80 mm
JIS 10K
100 mm
JIS 10K
a.
A 2" flange is designed to fit a 2" pipe: for actual flange dimensions see Flange O.D.
7ML19985JE01
– a DN 80 EN 1092-1 PN 16 class flange (Europe).
Flange O.D. Bolt Hole Circle Ø Bolt Hole Ø
6.0"
7.5"
9.0"
6.50"
8.25"
10.00"
165 mm
200 mm
220 mm
165 mm
200 mm
235 mm
155 mm
185 mm
210 mm
SITRANS LR250 (HART) – INSTRUCTION MANUAL
4.75"
0.75"
6.0"
0.75"
7.50"
0.75"
5.00"
0.75"
6.62"
0.88"
7.88"
0.88"
125 mm
18 mm
160 mm
18 mm
180 mm
18 mm
125 mm
18 mm
160 mm
18 mm
190 mm
22 mm
120 mm
19 mm
150 mm
19 mm
175 mm
19 mm
No. of Bolt
Holes
4
4
8
8
8
8
4
8
8
4
8
8
4
8
8
Page 13
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