Description
The Sanhua SYJ Series Sight Glasses are designed for refrigeration and air conditioning systems to allow visual monitoring of refrigerant condition and moisture levels. The wide-angle sight glass provides clear visibility, while the colour indicator helps identify whether the refrigerant is dry or contains excess moisture.
Available in multiple connection sizes, the range includes solder, male-to-male flare, and male-to-female flare configurations to suit different HVAC/R installations.
WHAT IS THIS PRODUCT USED FOR?
The Sanhua SYJ Series Sight Glasses are installed downstream of the filter drier in the liquid line of refrigeration systems. They allow technicians to observe refrigerant conditions and check moisture levels using a colour-changing indicator. Bubbles visible through the sight glass may also help identify refrigerant shortage or flow restrictions.
FEATURES
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High-precision colour indicator for monitoring refrigerant moisture
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Wide-angle sight glass for clear visibility
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Colour indicator positioned close to the glass to help prevent surface contamination
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Solid, corrosion-resistant brass construction
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Low-creep PTFE sealing designed to reduce leakage
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Full-port passage designed for low pressure drop
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Available in solder and flare connection configurations
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Suitable for compatible refrigeration and air conditioning systems
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Maximum operating pressure of 46 bar
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Ambient and medium temperature range of −50°C to +80°C
OPTIONS
SYJ Series – ODF Solder Connections
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SAN-SYJ06H11 – 1/4″ ODF solder
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SAN-SYJ10H11 – 3/8″ ODF solder
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SAN-SYJ12H11 – 1/2″ ODF solder
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SAN-SYJ16H11 – 5/8″ ODF solder
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SAN-SYJ22H11 – 7/8″ ODF solder
SYJ Series – Male-to-Male SAE Flare Connections
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SAN-SYJ06L11 – 1/4″ SAE male-to-male flare
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SAN-SYJ10L11 – 3/8″ SAE male-to-male flare
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SAN-SYJ12L11 – 1/2″ SAE male-to-male flare
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SAN-SYJ19L11 – 3/4″ SAE male-to-male flare
SYJ Series – Male-to-Female SAE Flare Connections
- SAN-SYJ06L41 – 1/4″ SAE female-to-male flare
SPECIFICATIONS
| SKU | Connection Size | Connection Type | Maximum Operating Pressure |
|---|---|---|---|
| SAN-SYJ06H11 | 1/4″ | ODF solder | 46 bar |
| SAN-SYJ06L11 | 1/4″ | SAE male-to-male flare | 46 bar |
| SAN-SYJ06L41 | 1/4″ | SAE female-to-male flare | 46 bar |
| SAN-SYJ10H11 | 3/8″ | ODF solder | 46 bar |
| SAN-SYJ10L11 | 3/8″ | SAE male-to-male flare | 46 bar |
| SAN-SYJ10L41 | 3/8″ | SAE female-to-male flare | 46 bar |
| SAN-SYJ12H11 | 1/2″ | ODF solder | 46 bar |
| SAN-SYJ12L11 | 1/2″ | SAE male-to-male flare | 46 bar |
| SAN-SYJ16H11 | 5/8″ | ODF solder | 46 bar |
| SAN-SYJ19L11 | 3/4″ | SAE male-to-male flare | 46 bar |
| SAN-SYJ22H11 | 7/8″ | ODF solder | 46 bar |
GENERAL TECHNICAL SPECIFICATIONS
| Specification | Details |
|---|---|
| Brand | Sanhua |
| Series | SYJ |
| Product Type | Refrigeration Sight Glass with Moisture Indicator |
| Body Material | Brass |
| Indicator Type | Colour-changing moisture indicator |
| Connection Types | ODF solder, SAE male-to-male flare, SAE female-to-male flare |
| Connection Size Range | 1/4″ to 7/8″ for supplied models |
| Maximum Operating Pressure | 4.6 MPa (46 bar) |
| Ambient Temperature | −50°C to +80°C |
| Medium Temperature | −50°C to +80°C |
| Installation Location | Liquid line; manufacturer also lists suction line installation |
| Recommended Orientation | Preferably vertical; for horizontal lines, position the indicator upwards without inclination |
| Refrigerant Compatibility | Common HCFC, HFC, HC, and HFO refrigerants, subject to manufacturer guidance |
| Certifications / Declaration | PED Article 4.3, Directive 2014/68/EU, as stated by the manufacturer |
**Limited Returns – Electrical & Electronic Components**
Electrical and electronic components are eligible for return only if they have not been on-sold, installed, or used, and remain in their original, saleable condition.
All returns are subject to the customer’s existing trading agreement and standard returns terms.
Faulty or incorrectly supplied products remain covered by applicable manufacturer warranties and statutory rights.
