Siemens 255-01122 Globe valve assembly 24 VAC/DC (1/2 in.) 599-01122

Product Description

Siemens 255-01122 is a 1/2 in. globe valve assembly for HVAC flow control with a Cv of 1.6. It uses a direct-coupled actuator (200 N) with non-spring return operation, accepts a 0 to 10 VDC modulating control signal, and is powered at 24 VAC/DC with 2.0 VA consumption. The valve is normally closed, has brass trim, NEMA 1 housing, and is rated for water and glycol solutions up to 50%.

• 2-way globe valve, 1/2 in. NPT connection, Cv 1.6; modified equal percentage flow characteristic
• Direct-coupled actuator (200 N), non-spring return; modulating control 0–10 VDC
• Operates on 24 VAC/DC at 2.0 VA; close-off pressure 60 psi; NEMA 1 housing; terminal block electrical connection

Product Highlights

1/2 in. 2-way globe valve assembly, Cv 1.6, 24 VAC/DC actuation, normally closed, suitable for water and glycol up to 50%.

Product Information

Standard Information

• Brand: SIEMENS
• Manufacturer Part Number: 255-01122

Technical Specifications

• Brand: Siemens
• Manufacturer Part Number: 255-01122
• Alternate part / valve number: 599-01122
• Valve type: Globe valve, 2-way
• Size: 1/2 in.
• Connection: 1/2 in. NPT
• Flow Coefficient (Cv): 1.6
• Flow characteristic: Modified equal percentage
• Trim: Brass
• Actuator: Direct-coupled actuator, 200 N, non-spring return
• Control Signal: 0 to 10 VDC (modulating)
• Input Voltage: 24 VAC/DC
• Power Consumption: 2.0 VA
• Failure Mode: Normally closed
• Close-off Pressure: 60 psi
• Housing / Enclosure Rating: NEMA 1
• Electrical Connection: Terminal block
• Service / Media: Water and glycol solutions up to 50%
• Operating Temperature: 1 C to 50 C (34 F to 122 F)
• Series: MZ Series