Pipeline ancillaries Sight glasses
10
Pressure/temperature limits - SGS40 Stainless steel
B
C
E
A
D
F
-10 0 50 100 150 200 250 280
Steam saturation curve
B
C
E
F
10 14
19 20
30 34
40
0
Pressure bar g
Only graphite gasket to be used on this region.
The product must not be used in this region.
A-B-B Flanged JIS 10 and KS 10. A-C-C Flanged ASME 150.
A-D-F Flanged EN 1092 PN40. A-E-E Flanged JIS 20 and KS 20. A-F-F Screwed BSP T Rp (ISO 7-1), NPT, Sanitary clamp, Socket weld and Flanged ASME 300.
Body design conditions
PN40
PN40
40 bar g @ 50 °C
ASME 150
19 bar g @ 38 °C
ASME 300
40 bar g @ 111 °C
PMA Maximum allowable pressure
JIS/KS10
14 bar g @ 120 °C
JIS/KS20
34 bar g @ 120 °C
With PTFE gasket
250 °C
TMA Maximum allowable temperature
7.8.21
With graphite gasket
280 °C
PN40
28.3 bar g @ 232 °C
ASME 150
12.9 bar g @ 195 °C
ASME 300
32.8 bar g @ 241 °C
PMO Maximum allowable pressure for saturated steam service
JIS/KS10
12.5 bar g @ 195 °C
JIS/KS20
30.3 bar g @ 236 °C
With PTFE gasket
250 °C
TMO Maximum operating temperature
10.8 20
With graphite gasket
280 °C
Minimum operating temperature Note: For lower operating temperatures consult Spirax Sarco Product is safe for use under full vacuum conditions Designed for a maximum cold hydraulic test pressure of:
-10 °C
60 bar g
TI-P130-28 CMGT Issue 14
Page 4 of 7
SGC40 and SGS40 Sight Glasses
Powered by FlippingBook