Camozzi 338-990TF 3-Way NC Bistable Air Switch Valve, 1/8" NPTF, 145 PSI
Product Images
Images are for representation only and may differ from the actual product.
Product Images
Images are for representation only and may differ from the actual product.
The Camozzi 338-990TF is a compact Series 3, 3-way/2-position normally-closed (3/2 NC) pneumatic switch valve with a bistable, detented manual actuator. The maintained-position switch provides positive manual control of supply, outlet, and exhaust functions in pneumatic circuits, making it well suited for water truck cab controls and other industrial air systems.
The TF suffix identifies the 1/8" NPTF port version. The valve is rated for operation up to 145 PSI (10 bar) and provides 700 Nl/min (24.7 SCFM) nominal flow with a Cv of 0.73. Camozzi's dimensional drawing also identifies an M16x1 panel-mount stem. Series 3 construction uses an aluminum body, stainless-steel spool, and NBR seals for reliable pneumatic service.
| Feature | Details |
|---|---|
| 3-Way, 2-Position Normally Closed | 3/2 NC directional control for supply, outlet, and exhaust functions |
| Bistable / Detented Switch | Maintains the selected manual position until switched again |
| 1/8" NPTF Ports | TF-suffix North American pipe-thread version |
| 145 PSI Maximum Pressure | Rated operating pressure up to 10 bar |
| High Nominal Flow | 700 Nl/min (24.7 SCFM) nominal flow |
| Cv 0.73 | Compact valve with useful flow capacity for pneumatic control circuits |
| M16x1 Mounting Stem | Panel-mount stem dimension shown in Camozzi technical drawing |
| Attribute | Details |
|---|---|
| Brand | Camozzi |
| Manufacturer Part Number | 338-990TF |
| Series | Series 3 |
| Valve Function | 3-Way / 2-Position Normally Closed (3/2 NC) |
| Actuation | Manual switch, bistable / detented |
| Port Size | 1/8" NPTF |
| Mounting Stem | M16x1 |
| Operating Pressure | 0 to 145 PSI (0 to 10 bar); Series 3 also supports vacuum service down to -0.9 bar |
| Nominal Pressure | 87 PSI (6 bar) |
| Nominal Flow | 700 Nl/min (24.7 SCFM) |
| Cv | 0.73 |
| Nominal Diameter | 5 mm |
| Actuating Force | 18 N (4.04 lbf) |
| Body Material | Aluminum |
| Spool Material | Stainless steel |
| Seal Material | NBR (Buna-N) |
| Fluid | Filtered compressed air |
| Operating Temperature | 32°F to 175°F; dry air required for operation down to -4°F |
| Lubrication | Not required; if used, ISO VG32 compatible oil is recommended |
| Listed Weight | 0.29 lb |
| Application | Use Case |
|---|---|
| Water Truck Cab Air Controls | Maintained manual control of compatible pneumatic functions from a control panel |
| Air-Operated Spray Valve Controls | 3-way normally-closed control for compatible pneumatic spray-valve circuits |
| PTO & Auxiliary Air Controls | Manual pneumatic switching where a bistable 3/2 NC valve is required |
| Industrial Pneumatic Panels | Compact panel-mounted directional control for machinery and equipment |
| Replacement Service | Direct replacement where Camozzi 338-990TF specifications and plumbing match the existing circuit |