303-699-1135
Series 4 Air-Pilot operated valves
Part Number Mounting Function Flow Rate Min. pil P
464-33 in line/manifold
5/3 CC
1250
2.5 bar (36 psi)
(Part Listed Is BSP For NPT Sizes - Add TF to Order Code)
Coding Example
Coding Example
4 Series 4
5 Function (Way/Position) = 3/2 Normally Closed4 = 3/2 Normally Open5 = 5/26 = 5/3 Center Closed7 = 5/3 Center Open (exhausting)
8 Ports 8 = 1/8"4 = 1/4"2C = 1/2"
35 Actuation / Return 33 = pneum. / pneum. (series 4) Double Air-Pilot34 = pneum. / differ. (series 4) Double Air-Pilot (biased override)35 = pneum. / spring (series 4) Single Air Pilot
TF Ports TF = NPTF
Technical Specifications
Valve group 3-way/2-position, 5-way/2-position, 5-way/3-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 1/8", 1/4", 1/2" 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 (32 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 = -0.9 -10 bar, 0-145 psi (down to 28" Hg vacuum rated)
Control pressure min. press. (see valve description)
Nominal pressure 6 bar - 87 psi
Nominal flow *Qn Series 4: 1/8" = 700 NL/min. (24.72 SCFM), Cv = .73
Fluid filtered air, without lubrication** (25 micon recommended)
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