SIEMENS
SIEMENS 599-02030 Globe Control Valve 1/2 in. NPT
Globe control valve with 1/2 inch NPT connection regulates water flow in HVAC systems and carries UL listing
- Precise flow control with 0.4 Cv rating
- Globe design ensures reliable shut-off performance
- 1/2 in. NPT connection fits standard piping
- Brass trim resists corrosion in water systems
- UL listed for safety compliance
Globe Control Valve for Hydronic Systems
The SIEMENS 599-02030 is a globe-style control valve designed for regulating water flow in hydronic heating and cooling applications. Its 1/2 inch NPT female connection integrates directly into standard piping without adapters. Mechanical contractors and facility engineers specify this valve for precise flow modulation in terminal units and small coils.
0.4 Cv Flow Coefficient
The 0.4 flow coefficient (Cv) is the single figure that determines whether this valve matches the required pressure drop and flow rate for a specific coil or circuit. A mismatch causes hunting, poor temperature control, or excessive pump energy. Verify the design Cv against the job schedule before ordering.
Brass Trim and UL Listing
The brass trim provides corrosion resistance for closed-loop water systems, extending service life compared to unprotected iron components. UL listing confirms the valve construction meets recognised safety standards for mechanical equipment. The package includes the valve body only; actuators and mounting kits are sourced separately.
Highlights
- Precise flow control with 0.4 Cv rating
- Globe design ensures reliable shut-off performance
- 1/2 in. NPT connection fits standard piping
- Brass trim resists corrosion in water systems
- UL listed for safety compliance
Specifications
| Brand | SIEMENS |
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Questions about this item
What does the 250 psi rating mean once the valve is installed in a water system?
The 250 psi rating is the maximum working pressure the valve body can handle in a water application.
How does the 1/2 in. NPT connection limit what piping can be used?
The female NPT threads accept only 1/2 in. male NPT pipe or fittings, so larger or smaller pipe sizes cannot connect directly.
What clearances are needed to fit the 2-1/4 in. high by 2-6/8 in. wide valve body?
Allow at least 2-1/4 in. of vertical space and 2-6/8 in. of horizontal width for the valve body itself, plus room for the actuator and piping connections.
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