
SITRANS P measuring instruments for pressure
Transmitters for gage, absolute and differential pressure, flow and level
DS III series
for level
2/133
Siemens FI 01 · 2009
2
SITRANS P pressure transmitters, DS III PA and FF series for level, including mounting flange, dimensions in mm (inch)
Connection to EN 1092-1
Connection to ASME B16.5
d: Internal diameter of gasket to DIN 2690
d
M
: Effective diaphragm diameter
1)
89 mm = 3½ inch with tube length L = 0.
185
6
3
54 (2.1)
D
k
L
f
b
2
108 (4.25)
d
4
d
5
1
2
n x d
8
5
1)
4
1)
6
165 (6.5)
9
5
1)
Space for rotation
of housing
approx. 30 (1.18)
100 (3.94)
144 (5.67)
51
(2.0)
74 (2.9)
15
(0.6)
90 (3.6)
4)
1Process connection of low pressure side ¼-18 NPT (EN 61518)
2
Blanking plug
3
Electrical connection:
- screwed connection M20x1,5
3)
,
- screwed connection ½-14 NPT or
- PROFIBUS plug M12
2) 3)
4 Terminal side
5 Electronics side, digital display (longer overall length for cover with window)
6Protective cover over keys
8 Sealing screw with valve (option)
9Screw cover safety bracket (only for "explosion-proof enclosure",
not shown in the drawing)
1) Allo
w approx. 20 mm (0.79 inch) thread length in addition
2) Not with type of protection "Explosion-proof enclosure"
3)Not with type of protection "FM + CSA [is + xp]"
4) 92 mm (3.62 inch) for minimum distance to permit rotation with indicator
Nom. diam. Nom. press. b D d d
2
d
4
d
5
d
M
fknL
mm mm mm mm mm mm mm mm mm mm mm
DN 80 PN 40 24 200 90 18 138 76 72
1)
2 160 8 0, 50, 100,
150 or 200
DN 100 PN 40 20 220 115 18 158 94 89 2 180 8
PN 40 24 235 115 22 162 94 89 2 190 8
Nom. diam. Nom. press. b D d
2
d
4
d
5
d
M
fk nL
lb/sq.in. inch inch inch inch inch inch inch inch inch
(mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm)
3 inch 150 0.94
(23.8)
7.5
(190.5)
0.75
(19.0)
5
(127)
3
(76)
2.81
1)
(72)
0.06
(1.6)
6
(152.4)
4 0, 2, 3.94, 5.94 or 7.87
(0, 50, 100, 150 or 200)
300 1.12
(28.6)
8.25
(209.5)
0.87
(22.2)
5
(127)
3
(76)
2.81
1)
(72)
0.06
(1.6)
6.69
(168.3)
8
4 inch 150 0.94
(23.8)
9
(228.5)
0.75
(19.0)
6.19
(157.2)
3.69
(94)
3.5
(89)
0.06
(1.6)
7.5
(190.5)
8
300 1.25
(31.7)
10
(254)
0.87
(22.2)
6.19
(157.2)
3.69
(94)
3.5
(89)
0.06
(1.6)
7.88
(200)
8
Comentarios a estos manuales