Service Valve is a valve used to control the flow of fluids, usually in refrigeration, air conditioning, heating and plumbing systems.
Here are some typical features and product descriptions of service valves:

Control Flow: Allows the user to control the flow of fluids (such as water, refrigerants or gases) through the piping system.
Maintenance and Repair: Designed for easy access during system maintenance and repair, it can quickly close or open the flow of fluids.
Material: Usually made of corrosion-resistant materials such as brass or copper to adapt to different fluids and environmental conditions.
Connection: May have a variety of connection options such as threaded connection, welding or quick connector to adapt to different piping systems.

Easy to operate: Designed for easy operation, the valve is usually opened and closed by rotating a handle or lever.
Sealing: Has good sealing performance to prevent leakage and ensure the efficiency and safety of the system.
Pressure Rating: Has a specific pressure rating to accommodate the maximum working pressure in the system.
Size and Specification: Available in a variety of sizes and specifications to accommodate different pipe diameters and fluid flow requirements.

Wide Application: Widely used in residential, commercial and industrial HVAC systems, as well as refrigeration equipment.
Durability: Designed for long-term stable operation, maintaining performance even under frequent operation or harsh environments.
Compliance: May comply with specific industry standards and specifications, such as ASME, ISO, etc.
Model Diversity: A variety of models are available to suit different application needs, including ball valves, gate valves, globe valves, etc.