Pipeline ancillaries Disc, split disc and wafer check valves
10
Pressure/temperature limits
Pressure psi g
0
145
290
435
580
719
752 572 392 212 32 -20.2
E A
B
C
Steam saturation curve
D
Pressure bar g
The product must not be used in this region. For use in this area use a DCV41 with high temperature spring or DCV41 without spring.
A - B - D High temperature spring and without spring. E - C - D Standard spring.
Please note: Special testing to allow lower temperature operation can be provided at extra cost. Consult Spirax Sarco.
Body design conditions
PN50
PMA Maximum allowable pressure
49.6 bar g @ 38 °C
719 psi g @ 100 °F
TMA Maximum allowable temperature
400 °C @ 29.4 bar g
752 °F @ 426 psi g
Minimum allowable temperature
-29 °C
-20.2 °F
PMO Maximum operating pressure (bar g)
49.6 bar g @ 38 °C
719 psi g @ 100 °F
With metal seat and standard spring (including Food+ metal seat)
300 °C
572 °F
With metal seat and high temperature spring (including Food+ metal seat)
400 °C
752 °F
Without spring (including Food+ metal seat)
TMO Maximum operating temperature
400 °C
752 °F
Viton seat
205 °C
401 °F
EPDM seat (including Food+ EPDM seat) With metal seat (including Food+ metal seat)
120 °C
248 °F
-29 °C
-20.2 °F
Minimum operating temperature ( Note: Special testing to allow lower temperature operation can be provided at extra cost. Consult Spirax Sarco).
10.5 23
With viton seat
-25 °C to +205 °C
-13 °F to 401 °F
With EPDM seat (including Food+ EPDM seat)
-40 °C to +120 °C
-40 °F to 248 °F
Product is safe for use under full vacuum conditions Designed for a maximum cold hydraulic test pressure of
76 bar g
1102 psi g
TI-P601-18 CMGT Issue 14
Page 3 of 5
DCV41, DCV41 Food+ Austenitic Stainless Steel Disc Check Valve
Powered by FlippingBook