Data Sheet

GX Control Valve and Actuator
D103209X012
Product Bulletin
51.1:GX(S1)
February 2012
9
Table 4. Maximum Pressure Drops with Extension/Bellows Bonnet Construction with High Strength Stem
(continued)
Valve
Size
Port
Size
Max
Travel
Actua-
tor
con-
struc-
tion
Packing
Air to
Open
Air to Close
Max nP
Supply pressure Max Pressure Limits
2Bar
(29 psi)
2.5 Bar
(36 psi)
3Bar
(44 psi)
3.44 Bar
(50 psi)
4Bar
(58 psi)
5Bar
(72 psi)
6Bar
(87 psi)
nP
Supply
mm mm
bar
(psi)
bar
(psi)
bar
(psi)
bar
(psi)
bar
(psi)
bar
(psi)
bar
(psi)
bar
(psi)
bar
(psi)
bar
(psi)
DN80
-100
(NPS 3 to
4)
70 40
750
2Bar
ULF
11.5
(167)
17.2
(249)
26.6
(386)
35.9
(521)
44.2
(641)
---
---
45.1
(654)
3.5
(51)
PTFE
12.8
(186)
18.4
(267)
27.8
(403)
37.2
(540)
45.4
(658)
46.4
(673)
750
3Bar
ULF
23.0
(334)
N/A
35.9
(521)
44.2
(641)
45.1
(654)
PTFE
24.2
(351)
37.2
(540)
45.4
(658)
46.4
(673)
750
4Bar
ULF
31.9
(463)
N/A
36.9
(535)
44.4
(644)
4.4
(64)
PTFE
33.1
(480)
38.2
(554)
45.6
(661)
DN100
(NPS 4)
90
Bal
20
750
2Bar
ULF
51.7
(750)
46.8
(679)
51.7
(750)
51.7
(750)
---
51.7
(750)
3.9
(57)
PTFE
51.7
(750)
750
3Bar
ULF
N/A
PTFE
750
4Bar
ULF
N/A N/A
PTFE
90 40
750
2Bar
ULF
7.0
(102)
10.4
(151)
16.1
(234)
21.7
(315)
26.7
(387)
---
---
27.3
(396)
3.5
(51)
PTFE
7.7
(112)
11.2
(162)
16.8
(244)
22.5
(326)
27.5
(399)
28.0
(406)
750
3Bar
ULF
13.9
(202)
N/A
21.7
(315)
26.7
(387)
27.3
(396)
PTFE
14.7
(213)
22.5
(326)
27.5
(399)
28.0
(406)
750
4Bar
ULF
19.3
(280)
N/A
22.3
(323)
26.9
(390)
4.4
(64)
PTFE
20.0
(290)
23.1
(335)
27.6
(400)