FEATURES
• Ruggedly built valve, particularly recommended for use with steam, superheated water, corrosive fl uids
• High-performance, maintenance-free stuffi ng box, resistant to thermal shock
• Mixer function (two pressure inlets at 1 or 3, one outlet at 2) or distributor function (one pressure inlet at 2, two outlets at 1 and 3)
• Vacuum operation up to 10-2 mbar • Allowable backpressure: up to 40 bar
• Optical position indicator as standard
• Autoclavable valve for use at high ambient temperatures (up to 180°C)
• The valves satisfy Pressure Equipment Directive 97/23/EC, category 1 (DN > 32) or article 3.3 (DN ≤ 32)
Fluids (*) |
DN15 - 25: air and gas groups 1 and 2 DN32-50: air and gas group 2 All dimensions: oil, liquid groups 1 and 2, steam |
Temperature range |
-10… +250 °C |
Pressure difference |
0 – 40 bar [1 bar = 100 kPa] |
Maxim. operating pressure |
40 bar (restrictions, see data sheet) |
Ambient temperature |
-25 °C… +180 °C |
Maxim. viscosity |
5000 cSt (mm2/s) |
Pilot gas |
Air |
Max. pilot pressure |
10 bar |
Disc seal |
Bronze, PTFE |
Wermundsen OÜ
Mustamäe tee 55
EE-10620 Tallinn, Estonia
Tel: (+372) 601 4202
wermundsen@wermundsen.ee
Flange connection
DN |
Pipe size |
Flow factor Kv |
Pilot pressure (bar) |
Pressure difference |
Operator diameter |
Model |
|||||||||
Mixer |
Distributor |
||||||||||||||
3 ➝ 2 |
1 ➝ 2 |
2➝ 3 |
2 ➝ 1 |
DIN |
ANSI 300 |
||||||||||
(mm) |
(m3 / h) |
(L / min.) |
(m3 / h) |
(L / min.) |
(m3 / h) |
(L / min.) |
(m3 / h) |
(L / min.) |
min. |
max. |
(bar) |
(mm) |
|||
U, UNIVERSAL |
|||||||||||||||
15 20 25 32 40 50 |
15 20 25 32 40 50 |
3,3 8,0 11,4 18,9 27 51 |
54 133 190 316 450 850 |
4,4 7,4 11,6 16,6 27 51 |
73 123 194 278 450 850 |
3,5 8,1 12,1 17,9 27 51 |
59 136 203 299 450 850 |
4,6 7,7 11,9 16,6 27 51 |
78 129 199 278 450 850 |
* * * * * * |
10 10 10 10 10 10 |
40 40 40 40 40 40 |
80 100 100 150 150 200 |
T398A001 T398A002 T398A003 T398A004 T398A005 T398A006 |
T398A007 T398A008 T398A009 T398A010 T398A011 T398A012 |
With threaded connection
U, UNIVERSAL |
||||||||||||||
1/2 3/4 1 1 1/4 1 1/2 2 |
15 20 25 32 40 50 |
3,3 8,0 11,4 18,9 27 51 |
54 133 190 316 450 850 |
4,4 7,4 11,6 16,6 27 51 |
73 123 194 278 450 850 |
3,5 8,1 12,1 17,9 27 51 |
59 136 203 299 450 850 |
4,6 7,7 11,9 16,6 27 51 |
78 129 199 278 450 850 |
* * * * * * |
10 10 10 10 10 10 |
40 40 40 40 40 40 |
80 100 100 150 150 200 |
E398A001 E398A002 E398A003 E398A004 E398A005 E398A006 |
• Also available with welded connection