FEATURES:
• Control of high-pressure fl uids
• NAMUR interface pilot for 1/4” solenoid spool valve
• Valve without actuator gland designed for long service life
• Vacuum operation up to 10-4 mbar
• The valves satisfy article 3.3 of Pressure Equipment Directive 97/23/EC
|
Response time (air ∆p = 4 bar) opening (ms) closing (ms) |
3/8 |
1/2 |
3/4 |
1 |
|
45 70 |
60 130 |
105 150 |
150 190 |
|
Fluids (*) |
Air and gas groups 1 & 2 |
Water, oil, liquid groups 1 & 2 |
|
Seals (*) |
FPM (Fluoroelastomer/Viton) |
PTFE (Teflon) |
|
Pressure difference |
A ➝ B: 40 bar, B ➝ A: 12 bar [1 bar = 100 kPa] |
|
|
Max. viscosity |
500 cSt (mm2/s) |
|
|
Temperature range (TS) |
-20… 100 °C |
|
Pressure controlled valves
|
Response time (air ∆p = 4 bar) on opening (ms) on closing (ms) |
3/8 |
1/2 |
3/4 |
1 |
|
30 50 |
35 60 |
40 60 |
50 70 |
|
Fluids (*) |
Air and gas groups 1 & 2 |
Water, oil and liquid groups 1 & 2 |
|
Seals (*) |
FPM (Fluoroelastomer / Viton) |
PTFE (Teflon) |
|
Temperature range (TS) |
-20… 100 °C |
|
|
Pressure difference control 3/2 NC control 5/2 |
A B: 40 bar, B A: 12 bar A B: 40 bar, B A: 40 bar |
|
|
Ambient temperature |
-20… 100 ºC |
|
|
Max. viscosity control 3/2 NC control 5/2 |
500 cSt (mm2/s) 6000 cSt (mm2/s) |
|
|
Pilot gas / fluid |
Air or oil |
|
|
Pilot pressure |
4 – 8 bar |
|
|
Pilot gas / fluid temperature |
0… 60 ºC |
|
MATERIALS IN CONTACT WITH FLUID
(✴) Ensure that the compatibility of the fluids in contact with the materials is verified
Wermundsen OÜ
Mustamäe tee 55
EE-10620 Tallinn, Estonia
Tel: (+372) 601 4202
wermundsen@wermundsen.ee
pressure_operated_287.pdf |
Size |
DN |
Flow factor Kv |
Operating Pressure differencial (bar) |
Model |
||||||
|
min. |
Max. (PS) |
|||||||||
|
Air (*) |
Water / Oil (*) |
|||||||||
|
R” |
(mm) |
(m3 / h) |
(L / min.) |
~ |
= |
~ |
= |
Brass |
Stainless steel |
|
|
NC - Normally closed |
||||||||||
|
3/8 1/2 3/4 1 |
10 15 20 25 |
2,2 5,2 7,5 12,2 |
36,6 86,6 125 203,3 |
0 |
40 |
40 |
40 |
40 |
SC G287A001 SC G287A002 SC G287A003 SC G287A004 |
SC G287A009 SC G287A010 SC G287A011 SC G287A012 |
|
NO - normally open |
||||||||||
|
3/8 1/2 3/4 1 |
10 15 20 25 |
2,2 5,2 7,5 12,2 |
36,6 86,6 125 203,3 |
0 |
40 |
40 |
40 |
40 |
SC G287A005 SC G287A006 SC G287A007 SC G287A008 |
SC G287A013 SC G287A014 SC G287A015 SC G287A016 |
Pressure controlled valves 2-way
|
Size |
DN |
Flow factor Kv |
Operating pressure differencial (bar) |
Model |
||||||
|
min. |
Max. (PS) |
|||||||||
|
R" |
(mm) |
(m3 / h) |
(L / min.) |
Air / gas (*) |
Water / oil (*) |
|||||
|
~ |
= |
~ |
= |
Brass |
Stainless steel |
|||||
|
NC - Normally closed |
||||||||||
|
3/8 1/2 3/4 1 |
10 15 20 25 |
2,2 5,2 7,5 12,2 |
36,6 86,6 125 203,3 |
0 |
40 |
40 |
40 |
40 |
G287A101 G287A102 G287A103 G287A104 |
G287A109 G287A110 G287A111 G287A112 |
|
NO - normally open |
||||||||||
|
3/8 1/2 3/4 1 |
10 15 20 25 |
2,2 5,2 7,5 12,2 |
36,6 86,6 125 203,3 |
0 |
40 |
40 |
40 |
40 |
G287A105 G287A106 G287A107 G287A108 |
G287A113 G287A114 G287A115 G287A116 |
Tel: (+372) 601 4202
wermundsen@wermundsen.ee
Mustamäe tee 55
EE-10620 Tallinn, Estonia
