The 54000050 is an ASCO Joucomatic Series 540 air-operated spool valve, configured as a 5/2 valve with G1/8 ports, a 4 mm orifice size, and an operating pressure range of 2–12 bar.

• Manufacturer: Emerson ASCO Joucomatic
• Part Number: 54000050
• Series: 540 (Air-operated spool valves)
• Valve Type: 5/2 spool valve (5 ports, 2 positions)
• Port Size: G1/8 (BSPP thread)
• Orifice Size: 4 mm
• Operating Pressure: 2–12 bar (air or neutral gas)
• Pilot Pressure: 3–10 bar (internal differential supply)
• Media: Air or neutral gas, filtered, lubricated or not
• Body Material: Zinc die-cast
• Seal Material: Nitrile (NBR)
• Temperature Range: –10 °C to +60 °C
• Flow Capacity: Approx. 1400 l/min at 6 bar (depending on configuration)
• Life Expectancy: Up to 30 million cycles