SANHUA BRASS SERVICE VALVE (SSV series)

Sanhua SSV Series

Advantage: Features a double-sealing structure (internal O-ring + copper cap seal).
Benefit: Provides maximum protection against refrigerant loss over years of operation. This is critical for R32 or R410A systems that operate at high pressures, reducing environmental impact and maintenance costs.

Advantage: Built-in Schrader access valve.
Benefit: Allows technicians to perform pressure tests, vacuuming, and refrigerant charging without adding extra fittings to the system. This speeds up installation and reduces the number of potential leak points in the circuit.

Advantage: Constructed from forged brass rather than cast brass.
Benefit: The forging process eliminates internal porosities, ensuring the valve can withstand extreme pressure spikes and mechanical stress during installation (wrench tightening) without cracking.

Advantage: Designed to meet international standards for flare and solder dimensions.
Benefit: OEMs can use the SSV series in air conditioners intended for global markets, ensuring that local tools and gauges will fit perfectly during field service anywhere in the world.

Category: BRASS SERVICE VALVE

Function: Acts as a manual connection and isolation point between the condensing unit (outdoor) and the evaporator (indoor).
Three-Way Design: Most SSV models are 3-way valves, featuring:
- Inlet/Outlet: For the main refrigerant flow.
- Access Port: Equipped with a Schrader valve for pressure checking, charging, or evacuation.
Sealing Technology:
- Dual-Seal Design: Uses both an internal O-ring and a metal-to-metal back-seat seal to ensure zero leakage during operation.
- Valve Cap: Includes a secondary seal in the cap to prevent leaks even if the internal valve stem is slightly loose.
Materials: High-density forged brass body for high strength and resistance to high-pressure bursts.

Refrigerant Compatibility: Applicable for all common HCFC and HFC refrigerants (R22, R134a, R404A, R407C, R410A) and low-GWP refrigerants like R32.
Max. Operating Pressure (PS): Typically rated up to $4.5\text{ MPa}$ ( $45\text{ bar}$ ).
Temperature Range ( $T_S$ ): $-30^{\circ}\text{C}$ to $+120^{\circ}\text{C}$ .
Connections: * Flare connection for the interconnecting piping.
- Solder (brazed) connection for the internal unit piping.

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