Sight Glass series SYJ

Line Components Sight Glass series SYJ

Sight glasses are installed after the filter drier in liquid line of refrigerating systems, in order to observe property changes of the refrigerant (liquid/vapour) and to indicate the moisture level by colours.

Technical parameters

  • Features
    • High precision colour indicator
    • Indicator pasted closely to the glass to prevent surface contamination
    • Solid and corrosion resistant brass material
    • Good readability due to high clear sight glass of wide angle
    • Sealing of low creep PTFE to ensure leakage free performance
    • New Annular humidity color indicator. Full port passage with low pressure drop
  • General specifications
    • Applicable for all common HCFC, HFC, HC, HFO¹⁾ refrigerants such as: R22, R134a, R404A, R407C, R410A, R507, R407A/F, R1234ze²⁾, R290²⁾, R32²⁾, R448A/R449A, R452A, R450A/R513A
    • Min./max. ambient temperature: -50°C to +80°C
    • Medium temperature TS min./max.: -50°C / +80°C
    • Max. operating pressure PS: 4,6 MPa (46 bar)
    • Installation position:
      • Liquid and suction line
      • Preferably in vertical lines, recommended position for horizontal lines is upwards without inclination in any direction
    • Declaration according to PED (all products have been covered by Art.4.3 PED Directive 2014/68/EU)

    Note:

    • 1) please contact Sanhua representative regarding applications with HFO
    • 2) for flammable refrigerants only solder versions can be used
  • Characteristics

    Version with solder connections

    Model Series Model Name Part Number (multi package)¹⁾ Connection Type Connections ODF Dimensions & Weight
    Ød L H H1 Weight
    [inch] [mm] [mm] [mm] [mm] [g]
    SYJ6 SYJ06H12 10285007102 ODF x ODF solder - 6 101 24 14 100
    SYJ6 SYJ06H11 10285007002 1/4 - 101 24 14 100
    SYJ10 SYJ10H11 10285007202 3/8 - 119 24 14 100
    SYJ10 SYJ10H12 10285007302 - 10 119 24 14 100
    SYJ12 SYJ12H11 10285006902 1/2 - 146 30 17 200
    SYJ12 SYJ12H12 10285007402 - 12 146 30 17 200
    SYJ16 SYJ16H11 10285007502 5/8 16 146 30 17 200
    SYJ19 SYJ19H11 10285007602 3/4 - 173 37 21 300
    SYJ22 SYJ22H11 10285007702 7/8 22 173 37 21 300

     

    Sight Glass series SYJ . Technical parameters

    Version with male/male Flare Connections

    Model Series Model Name Part Number (multi package)¹⁾ Connection Type SAE Flare Dimensions & Weight
    Ød L H H1 Weight
    [inch] [mm] [mm] [mm] [g]
    SYJ6 SYJ06L11 10285007902 Flare M x M 1/4 67 24 14 110
    SYJ10 SYJ10L11 10285008102 3/8 82 24 14 240
    SYJ12 SYJ12L11 10285008302 1/2 88 30 17 250
    SYJ16 SYJ16L11 10285008502 5/8 104 32 17 320
    SYJ19 SYJ19L11 10285008702 3/4 110 32 15 340

    1) Available also as industrial package. Contact Sanhua for more details.

     

    Version with male/female Flare Connections

    Model Series Model Name Part Number (multi package)¹⁾ Connection Type SAE Flare Dimensions & Weight
    Ød H φD B Weight
    [inch] [mm] [mm] [mm] [g]
    SYJ6 SYJ06L41 10285008002 Flare F x M 1/4 30 32 22 200
    SYJ10 SYJ10L41 10285008202 3/8 30 32 22 240
    SYJ12 SYJ12L41 10285008402 1/2 32 30 24 250
    SYJ16 SYJ16L41 10285008602 5/8 37 30 24 320
    SYJ19 SYJ19L41 10285008802 3/4 37 30 24 330

    1) Available also as industrial package. Contact Sanhua for more details.

     

    Moisture Indication Limits:

    Refrigerant Moisture Content 25°C: PPM
    Green/Dry Middle Color Yellow/Wet
    R22 <100 100~200 >200
    R134a <90 90~180 >180
    R404A <40 40~100 >100
    R410A <90 90~300 >300
    R507 <15 15~90 >90
    R407C <120 120~280 >280


    Refrigerant Moisture Content 40°C: PPM
    Green/Dry Middle Color Yellow/Wet
    R22 <140 140~350 >350
    R134a <120 120~330 >335
    R404A <80 80~160 >160
    R410A <200 200~580 >580
    R507 <80 80~170 >170
    R407C <100 100~260 >260

  • Dimensions

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