Siemens Building Technology 599-03151 Flowrite 3-Way Valve 1-1/2" NPT Cv25 SS Trim ANSI 250

The Siemens Flowrite 599-03151 is a 3-way mixing globe valve featuring a 1-1/2-inch NPT (Internal Thread x Internal Thread) connection, a Cv flow coefficient of 25, and full stainless steel trim. Part of the trusted Flowrite 599 Series, this valve body is designed for use in commercial HVAC hydronic systems requiring precise mixing or diverting flow control.

Key Features:

• Valve Type: 3-way mixing, globe-style body
• Connection Size: 1-1/2" NPT (Internal Thread x Internal Thread)
• Flow Coefficient (Cv): 25
• Trim Material: Stainless steel body trim
• Stem: Stainless steel ASTM A582 Type 303
• Packing: EPDM O-ring
• Seat: Single seat, metal-to-metal
• Pressure Rating: ANSI Class 250
• Flow Characteristic: Equal percentage / linear

The Flowrite 599 Series valve body is compatible with a wide range of Siemens pneumatic and electronic actuators, making it adaptable to two-position, floating, or proportional control systems. The stainless steel trim package provides enhanced corrosion resistance for demanding hydronic and light steam applications. The direct-coupled universal bonnet accommodates standard Siemens actuators without additional adapters.