Instruction Manual
14
11 Limits
PLEASE NOTE!
•
The limits specified in the table for process temperature and operating pressure make allowance
for the tube liner and the flange standard. Refer also to the footnotes.
•
At
ambient temperatures of +40 to +60 °C or +104 to +140 °F the product temperature
may not be higher than +60 °C or +140 °F.
Limits for pressure and temperature
Liner Connection flange Max. operating pressure in bar (psig)
at product temperature of ...
Meter size Flange Pressure rating S = Standard
standard or flange class O = Option ≤ 20 °C (≤ 68 °F) ≤ 40 °C (≤ 105 °F) ≤ 60 °C (≤ 140 °F) ≤ 90 °C (≤ 194 °F)
PTFE DN 10 – 20 DIN 2501 PN 40 S 40 (580) 40 (580) 40 (580) 40 (580)
3
/
8
” –
3
/
4
” ANSI B 16.5 150 lb S 19.0* (275)* 18.9* (274)* 17.9* (259)* 17.1* (248)*
300 lb O 40 (580) 40 (580) 40 (580) 40 (580)
Hard
rubber
DN 25 – 50, DN 80 DIN 2501 PN 40 S 40 (580)(580) 40 (580)(580) 40 (580)(580) 40 (580)(580)
DN 65, DN 100 – 150 DIN 2501 PN 16 S 16 (230) 16 (230) 16 (230) 16 (230)
PN 40 O 40 (580) 40 (580) 40 (580) 40 (580)
DN 200 – 600 DIN 2501 PN 10 S 10 (150) 10 (150) 10 (150) 10 (150)
PN 16 O 16 (230) 16 (230) 16 (230) 16 (230)
PN 25 O 25 (360) 25 (360) 25 (360) 25 (360)
DN 700 – 1000 DIN 2501 PN 10 S <10
**.8 (<150)** <9.9**0 (<144)** <9.5**0 (<138)** on request
PN 16 O <13.8
***(<200)*** <128*** (<185)*** <12.5***(<181)*** on request
≥ DN 1200 DIN 2501 PN 6/2.5 S/O on request on request on request on request
1” – 40” ANSI B 16.5 150 lb S 19.0
*< (275)* 18.9*< (274)* 17.9* (259)* 17.1* (248)*
300 lb O 40 (580) 40 (580) 40 (580) 40 (580)
≥ 14” AWWA B S 06 0(90) 06 0(90) 06 0(90) 06 0(90)
D O 10 (150) 10 (150) 10 (150) 10 (150)
***
with gaskets made of Neoprene or similar material
***
dependent on meter size
***
with gaskets made of Neoprene or similar material, dependent on meter size.
***
Note: Calculated operating pressures to DIN 2505 are much lower than the values in the table above.
Vacuum load
Liner Meter size Max. allowed vacuum load in mbar abs. (psia)
at product temperature of ...
DN mm inch ≤ 20 °C (≤ 68 °F) ≤ 40 °C (≤ 105 °F) ≤ 60 °C (≤ 140 °F) ≤ 80 °C (≤ 176 °F)
PTFE DN 10 – 20
3
/
8
” –
3
/
4
” 000 0.(0) 000 0.(0) 000 0.(0) 000 0.(0)
Hard DN 25 – 300 01 – 12 250 (3.6) 250 (3.6) 400 (5.8) 400 (5.8)
rubber DN 350 – 1000 14 – 40 500 (7.3) 500 (7.3) 600 (8.7) 600 (8.7)
≥ DN 1200 ≥ 48” on request on request on request on request