Materials, Max. admissible differential pressure, Pressure /temperature ratings class 300 – Flowserve MK25/2 User Manual
Page 10: Pressure /temperature ratings class 150
10
Materials
EN
DIN
ASTM equivalent
Body
P250GH (1.0460)
C22.8 (1.0460)
A105
Cover MK 25 / 2
P250GH (1.0460)
C22.8 (1.0460)
A105
Cover MK 25 / 2 S
GP240GH (1.0619)
GS-C25 (1.0619)
A216 WCB
Bolts
42CrMo4 (1.7225)
A193 B7
Body gasket
Graphite
Thermostatic capsule
Hastelloy
®
/ Stainless steel
Other internals
Stainless steel
Explanatory Notes
– continued –
Technical data
– continued –
Max. admissible differential pressure
1
)
Differential pressure
∆
PMX
[barg]
22
(inlet pressure minus outlet pressure)
[psig]
319
1
) Observe pressure/temperature ratings!
Pressure /Temperature Ratings Class 300
Body material
1.0460 (P250GH / C22.8) / ASTM A105
Nominal sizes (DN)
40, 50
Connection
Flanged ASME Class 300
Max. allowable pressure PMA
[barg]
51
43.9
38.9
34.6
20.2
[psig]
740
637
565
501
294
Inlet temperature TMA
[°C]
20
200
300
400
450
[°F]
68
392
572
752
842
Pressure /Temperature Ratings Class 150
Body material
1.0460 (P250GH / C22.8) / ASTM A105
Nominal sizes (DN)
40, 50
Connection
Flanged ASME Class 150
Max. allowable pressure PMA
[barg]
19.7
14
10.2
6.5
4.6
[psig]
287
203
149
94.3
66.7
Inlet temperature TMA
[°C]
20
200
300
400
450
[°F]
68
392
572
752
842