


ASCO 55102093 | Spool Valve | Series 551 | Function 5/2 Way
EMERSON ASCO, Series 551, 55102093 Foot/Hand Spool Valve Manually operated hand or foot spool valves from the ASCO EMERSON series 551 are made for pneumatic applications involving air or neutral gas, whether or not it is filtered or lubricated. The Series 551 can tolerate temperatures ranging from -25°C to 60°C and has a maximum operating pressure of 10 bar. Features a threaded aluminium body with an environmentally friendly construction.

Free UAE shipping available
- Specifications
- Features
- Downloads
Actuation | Lever |
Ambient temperature | -25 - 60 °C |
Flow Coefficient | Cv: 0.87 |
Flow Coefficient | Kv: 0.75 |
Fluid | Temperature: -25 - 60 °C |
Functions | 3/2 Normally Closed |
Material | Light Alloy |
Operating pressure | Air: 0 - 10 bar |
Port Size | G 1/4" |
Port Type | ISO 228/1 |
Product Type | Pneumatic Valve |
Series | 551 |
Temperature | -60°C to 80°C |
Type | Spool Valve |
Weight | 0.39 kg |
- Mounting Options: Can be threaded for pipe mounting or directly mounted to actuators with NAMUR interface (VDI/VDE 3845).
- Material Choices: Available in brass, aluminum, or 316L stainless steel valve body.
- Explosion-Proof & Hazard Protection: Offers DIN, waterproof, and explosion-proof solenoids, with global certifications like ATEX, IEC EX, and more.
- Corrosion Resistance: Features a breather block to vent and prevent corrosion.
- Flexible Design: Single and dual-solenoid options, suitable for various mounting orientations.
- Enhanced Protection: Ports designed for superior water and dust protection.
Related Products

ASCO 43400130 | Back Clevis | Bore 32 mm | Mountings for Series 450 Cylinders

ASCO 43400130 | Back Clevis | Bore 32 mm | Mountings for Series 450 Cylinders

ASCO BRK9001 | Mounting Bracket | F901 Series

ASCO BRK9001 | Mounting Bracket | F901 Series

ASCO 33100054 | AND Logic Element | Pneumatic Valve | Series 331

ASCO 33100054 | AND Logic Element | Pneumatic Valve | Series 331

ASCO 55102092 | Spool Valve | Lever Operated | Series 551

ASCO 55102092 | Spool Valve | Lever Operated | Series 551

ASCO 55000010 | Spool Valve | Push-Pull Button | Function 5/2 Way | Port Type G 1/8-inch

ASCO 55000010 | Spool Valve | Push-Pull Button | Function 5/2 Way | Port Type G 1/8-inch

ASCO 55102095 | Spool Valves | Pedel Operated Spring Return | Function 5/2 Way | Connection Port Thread G 1/4-inch

ASCO 55102095 | Spool Valves | Pedel Operated Spring Return | Function 5/2 Way | Connection Port Thread G 1/4-inch

ASCO 54191010 | Spool Valve | Series 541 | Type 5/2

ASCO 54191010 | Spool Valve | Series 541 | Type 5/2