Product Description

The HA-50 Brass Manual Regulating Valve is engineered for precise flow control in demanding HVAC and heating water systems. Designed with a standardized female thread connection and a highly visible numbered scale handwheel, this valve provides reliable fluid management for both commercial and residential projects. By integrating this regulating valve into your pipeline infrastructure, facility operators can achieve accurate flow throttling, stable temperature distribution, and dependable system isolation. Built to withstand continuous operation under varying thermal conditions, it serves as a critical component for optimizing energy usage, maintaining balanced water circulation, and reducing long-term maintenance requirements.

Understanding the technical specifications is essential for proper system integration. The following parameter table outlines the operational limits, sizing, and material construction of the HA-50 model, ensuring it aligns strictly with your project requirements.

Main Features

1. Forged Brass Construction
   The forged brass body provides a durable housing for water circulation applications within the specified pressure and temperature limits.

2. Numbered Position Indicator
   Handwheel markings make the selected opening easier to identify and record. The scale indicates valve position rather than a directly measured flow rate.

3. Manual Throttling Control
   Turning the handwheel changes the valve opening to regulate water flow through the connected branch.

4. Female Threaded Connections
   Threaded ends connect to compatible pipework and fittings, making the valve practical for small-bore heating and cooling installations.

5. Compact Installation Profile
   The compact body accommodates installations with limited space, provided sufficient clearance remains for handwheel operation and maintenance.

6. Marked Flow Orientation
   An arrow on the body identifies the intended installation direction, helping installers align the valve with the circuit layout.

Application Scenarios

• Radiator branch adjustment: Regulates water supplied to individual heating branches during system commissioning.

• Underfloor heating circuits: Supports manual flow adjustment where the manifold arrangement requires a separate regulating valve.

• Building HVAC pipework: Provides local adjustment points in compatible hot-water and chilled-water networks.

• Secondary circulation loops: Allows operators to adjust branch flow as part of the overall hydraulic balancing process.

Manufacturing consistency and operational safety are verified through strict international standards. The HA-50 regulating valve holds CE and ISO9001 certifications, demonstrating compliance with rigorous environmental and structural testing. This ensures predictable performance and lowers procurement risks for engineering projects.

Precision Valve Manufacturing

Professional Valve Manufacturer | Integrated Manufacturing

Raw Material Inspection

Qualified brass are selected. Alloy composition is checked by spectrometer to guarantee pressure‑resistance and dezincification‑resistance performance.

Hot Forging Die‑Casting for Blanks

Heated brass material is formed into valve body blanks by hot forging or die‑casting. Remove flash and burrs to obtain dense valve blanks.

CNC Machining

Our CNC machining equipment provides precise and consistent processing of valve components. Critical dimensions, threads and sealing surfaces are strictly controlled to ensure accurate assembly and reliable sealing performance.

Surface Treatment

Brass Valve will Deburring and polishing. Passivation or nickel/chrome plating is applied to improve anti‑corrosion property and avoid copper oxidation.

Assembly &Pressure Testing

Every valve undergoes strict pressure testing before shipment. Body and seat tests are performed according to applicable standards and customer specifications to verify pressure resistance and sealing reliability.

Quality Inspection

Our quality control team conducts comprehensive inspections throughout the production process. Finished valves are checked for dimensions, appearance, materials, pressure performance and overall quality before final approval and shipment.

Frequently Asked Questions

1. Does the numbered handwheel show the actual flow rate?
No. The numbers indicate the valve opening position. Actual flow also depends on the pressure difference across the valve and the resistance of the connected circuit.

2. Will the valve automatically maintain a constant flow?
No. The HA-50 is manually adjusted. Changes in system pressure can affect flow even when the handwheel remains in the same position.

3. How should the valve setting be selected?
Adjust the opening according to the branch’s design flow requirement. Where accurate balancing is required, use suitable measuring equipment and the available valve performance data.

4. Can the same handwheel setting be used on every branch?
Not necessarily. Branches may have different lengths, pipe sizes and flow requirements. Each circuit should be assessed individually.

5. Can this valve be used to isolate equipment for maintenance?
Confirm the specified shut-off performance before using it for isolation. A regulating function alone does not establish that the valve provides the required isolation seal.

6. What details are needed before ordering?
Please provide the connection size, thread standard, working medium, operating pressure, temperature and quantity. Include any required flow range or project datasheet.