303-699-1135
Series 3 Air-Pilot Operated Valve Cv= .73 - 1.26
Part Number Mounting Function Flow Rate Cv Min. pil P Symbol
338D-035 in line /
manifold
2x3/2
NC
700
.73
2.5
bar
R9
334D-035 in line /
manifold
2x3/2
NC
1200
1.26
2.5
bar
R9
348D-035 in line /
manifold
2x3/2
NA
700
.73
2.5
bar
S9
344D-035 in line /
manifold
2x3/2
NA
1050
1.1
2.5
bar
S9
398D-035 in line /
manifold
2x3/2
NC NA
700
.73
2.5
bar
T9
394D-035 in line /
manifold
2x3/2
NC NA
1050
1.1
2.5
bar
T9
Dimensions (in Inches)
Part Number A A1 B C D E F G H I L M N O P S T U Z
338D-035 1/8
1/8
5
3.2
31.4
32.8
36
30.4
18
39.4
96.8
22
17.4
11.5
32
39.4
-
-
-
334D-035 1/4
-
4.1
3.2
36
33.7
44
29.7
22
40.7
103.3
25
21
16
40
40.7
M5
54.3
8
348D-035 1/8
1/8
5
3.2
31.4
32.8
36
30.4
18
39.4
96.8
22
17.4
11.5
32
39.4
-
-
-
344D-035 1/4
-
4.1
3.2
36
33.7
44
29.7
22
40.7
103.3
25
21
16
40
40.7
M5
54.3
8
398D-035 1/8
1/8
5
3.2
31.4
32.8
36
30.4
18
39.4
96.8
22
17.4
11.5
32
39.4
-
-
-
394D-035 1/4
-
4.1
3.2
36
33.7
44
29.7
22
40.7
103.3
25
21
16
40
40.7
M5
54.3
8
(Part Listed Is BSP - For NPT Sizes Add TF to Order Code)
Coding Example
Coding Example
3 Series 3
5 Function (Way/Position) = 3/2 Normally Closed4 = 3/2 Normally Open5 = 5/26 = 5/3 Centers Closed7 = 5/3 Centers Open (exhausting)8 = 5/3 Pressure Center9 = Dual 3/2 (1 x normally closed and
1 x Normally Open)
8 Ports 8 = 1/84 = 1/42C = 1/2
D __ = Blank (standard)D = double valve 2 x 3/2 way
(only Series 3)L = Manifold assembly required
(only for 3/2 way 1/8 Series 3)
035 Actuation / Return033 = pneum. / pneum. (series 3 Double Air-Pilot035 = pneumatic / spring (series 3) Single Air-Pilot
TF Ports TF = NPTF
Technical Specifications
Valve group 3-way/2-position, 5-way/2-position, 5-way/3-position and dual 3-way/2-position
Construction Air-Pilot, in-line ported
Mounting through holes in valve body
Materials Anodized body, stainless steel spool, Buna-N seals
Threaded port sizes 1/4", 1/8" NPTF
Installation in any position
Operating temperature 0 - 80°C (with dry air at -20°C), 32°F - 176°F (with dry air at -4°F)
Fluid Filtered air (25 micron or less recommended)
Lubricant Not required; otherwise, oil compatible with Buna-N, (3° - 10°E); ISOVG32 grade, 32 centistrokes
Pneumatic Data
Operating pressure P = -.9 -10 bar (0-145 psi): (Down to 28" Hg possible)
Control pressure min. press. (see valve description)
Nominal pressure 6 bar (87 psi)
Nominal flow *Qn Series 3: 1/8" = 700 NL/min (24.7 SCFM), Cv= .73
Nominal diameter Ø1/8 = 5 mm, 1/4" = 7.5 mm
Fluid filtered air, without lubrication** (25 micron or less recommended)
*Qn = determined with supply pressure of 6 bar and with Dp = 1 bar.
RoHS Compliant Liquid Tight Strain Relief Fittings, Cord Grips, Cable Glands, Circular Connectors, Conduit System, Industrial Enclosures and Other Related Cable Management Products which are rated the best in the industry.
Fittings
Valves
