Pipeline ancillaries Pressure gauges and temperature gauges
10
Pressure/temperature limits Maximum design conditions
PN25
PMA Maximum allowable pressure
Full scale reading
TMA Maximum allowable temperature
217 °C (423 °F)
Note: Either a 'U' or a ring syphon must be fitted to achieve this. Minimum allowable temperature
-40 °C (-40 °F)
Range 1 Range 2 Range 3 Range 4 Range 5 Range 6
1.6 bar
(23 psi) (58 psi) (87 psi) (145 psi) (232 psi)
4 bar 6 bar
PMO Maximum operating pressure
10 bar 16 bar
25 bar (363 psi) Please note: For compressed air and steam services the maximum operating pressure for this product is 21 bar g (305 psi g) TMO Maximum operating temperature 200 °C (392 °F)
Materials Part
Material
Case
Pressed steel black finish
Gauge
Window
Glass
Bourdon tube
Cu Sh 8 (92% Cu 8% Zn)
Ring and 'U' syphon
Mild steel tube BS 1387 heavy grade
Body
Brass
Gauge cock
Handle
Phenolic
7.10.9
Dimensions/weights (approximate) in in mm (inches) and kg (pounds)
A
B
J
Gauge cock
F
G
K
E
C
L
10.10 10
H
D
Gauge
Ring syphon
'U' syphon
Weight
Weight
A B C D A/F
Weight
E F G H Syphon Cock J K L Syphon Cock
100 (3.94)
29 (1.14)
137 (5.93)
22 (0.87)
0.43 (0.95)
321 (12.6)
35 (1.38)
80 (3.15)
116 (4.57)
0.94 (2.1)
0.21 (0.46)
167.5 (6.59)
61.5 (2.42)
136.5 (5.37)
0.59 (1.30)
0.21 (0.46)
TI-P027-04 CMGT Issue 7
Page 2 of 3
Pressure Gauge with Integral Restrictor
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