Sight Glass SF-1S

  • Flow can be easily checked with flap and scale plate
  • Horizontal and vertical installation are available

Features Flap type, ductile iron, screwed
Type Flap type sight glass
Specifications Product type Sight Glass_Flap
Nominal size 15A (1/2") - 50A (2")
Application Cold and hot water, oil
End connection JIS Rc screwed
Max. pressure 1 MPa
Max. temperature 150 degree(C)
Max. thermal shock 100 degree(C)
Material Body Ductile cast iron
Flap Stainless steel

* Available with mica plate for steam condensate ( SFM-1S.1F).
However, maximum allowable working pressure is 0.6 MPa.
* Glass part is consumable supply.

Dimensions and Weights
Size L (mm) Weight (kg)
15A(1/2) 80 0.7
20A(3/4) 90 0.8
25A(1) 115 1.4
32A(1 1/4) 127 2.5
40A(1 1/2) 140 2.8
50A(2) 162 5.4

Dimensional drawing

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