Product Description
The Rexroth (Aventics/Bosch Rexroth) 0820402046 is a 3/2-way directional control valve from the Series ST platform, identified by type code VVST-3/2NC-ROL. It features mechanical actuation via a roller element with spring return, a hardened stainless steel spool valve body with metal-to-metal sealing, and G 1/8 pipe connections on all three ports. This valve is designed for industrial pneumatic systems requiring reliable directional control with roller-lever mechanical actuation.
Technical Specifications
| Specification | Value |
|---|---|
| Brand | Rexroth (Bosch Rexroth / Aventics) |
| Model / Part Number | 0820402046 |
| Type Code | VVST-3/2NC-ROL |
| Product Series | Series ST |
| Valve Configuration | 3/2-way (3 ports, 2 positions) |
| Valve Type | Spool valve |
| Actuation Type | Mechanical – Roller |
| Return Type | Spring return |
| Rest Position | Normally Closed (NC) |
| Connection Type | Pipe connection (internal thread) |
| Port Size – Input | G 1/8 |
| Port Size – Output | G 1/8 |
| Port Size – Exhaust | G 1/8 |
| Nominal Flow Qn | 280 l/min (at 6 bar, Δp = 1 bar) |
| Max. Working Pressure | 10 bar (145 PSI) |
| Min. Working Pressure | -0.95 bar (vacuum capable) |
| Min. Actuating Force | 6.5 N |
| Sealing Principle | Metal/metal sealing |
| Housing Material | Stainless Steel (hardened) |
| Front Cover Material | Steel, chrome-plated |
| Actuating Element Material | Polyoxymethylene (POM) |
| Min. Ambient Temperature | -15 °C |
| Max. Ambient Temperature | 80 °C |
| Max. Particle Size (air quality) | 5 µm |
| Oil Content of Compressed Air | 5–25 mg/m³ (oiled air required) |
| Mounting Screw | M4 with hexagon socket |
| Mounting Screw Torque | 2.5 Nm |
| Weight | 0.18 kg |
| Medium | Compressed air (oiled) |
| Industry | Industrial |
| Lock Type | Not lockable |
We warranty all items for 30 days from date of purchase.
Other Details
We warranty all items for 30 days from date of purchase. If you experience any issues with your item within this period, please contact us and we will work with you to resolve the problem. This warranty covers defects in functionality but does not cover damage caused by misuse, improper installation, or normal wear and tear.Product Videos
Custom Field
GTIN 679523686161
Country/Region of Manufacture Germany
Manufacturer Rexroth
Part Number 0820402046
Shelf K-48
Model 0820402046
MPN 0820402046
Type Pneumatic Valve
