Description
Sanhua SBV Series: Features and Details
1. Core Function and Construction
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Function: Serves as a manual shut-off valve to open or close the inner flow path.
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Design: Straight-way type, full port (for most common sizes), ensuring minimal pressure drop across the valve when fully open.
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Flow Type: Bidirectional flow compatible.
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Operation: Requires only a 1/4 turn (90-degree rotation) to go from fully open to fully closed, making operation fast and easy.
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Body Structure: Valve body and seat feature a welded structure.
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Benefit: Provides high product reliability and minimizes the risk of external leakage
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Sealing: Utilizes special sealing materials to prevent internal leakage (low seat leakage).
2. Technical Specifications
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Refrigerant Compatibility: Applicable for all common HCFC and HFC refrigerants, including R22, R134a, R404A, R407C, R410A, R507A, and newer HFO blends (R448A, R449A, R452A, R513A).
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Max. Operating Pressure (PS): High-pressure rating, typically 4.5 MPa (45bar or 650/700 psig).
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Medium Temperature (TS): Wide range, typically -40^C to +120C (depending on the specific model and seals).
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Installation: Can be installed in any position on the liquid, suction, or discharge line.
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Connections: Available primarily with ODF (Solder) connections in a wide range of sizes (e.g., 1/4” up to 4-1/8” and larger).
3. Model Variations
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With/Without Access Fitting: A major variation is the option to include a Schrader/Access Fitting on the side of the valve body.
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Benefit: Allows the valve to be used as a service port for vacuum pumping, pressure reading, or refrigerant charging/injection
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Rotation Stop: Larger sizes (often 1-1/8” and above) may include a built-in rotation stop ring to prevent accidental over-rotation of the valve stem.
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