Instruments/Products
Sight Glass
◇Tank Wall Welding Type
 (Transparent): SG-1T
◇Flanged, Flow Type: SG-3F 
◇Flanged, w/Wiper Type:
  SG-8F
◇Tank Wall Welding Type
  (Reflex): SG-1R
◇Flanged, Flapper Type: SG-4F ◇Flanged, w/Cleaning Nozzle:
  SG-8S
◇Tank Wall Welding Type (Round): SG-2 ◇Flanged, Ball Float Type: SG-7F ◇Flanged, w/Jacket Type:
  SG-9F
◇Tank Wall Welding Type
  (Transparent, w/Valve): SG-V1T
◇Threaded, Flow type: SG-3S ◇By-Pass Type: SG-VP
◇Tank Wall Welding Type
  (Reflex, w/Valve): SG-V1R
◇Threaded, Flapper Type SG-4S ◇Flanged, Short-Pipe Type:
  SG-10F
◇Regular Type Peep Sight: SGP-A ◇Threaded, Ball Float Type: SG-7S ◇Safety Reinforced Type: SGA
◇Safety Peep Sight: SGP-S ◇Flanged, Lantern Type: SG-6F
 Flanged Lantern Type: SG-6F
Application and Features
Trough a cylindrical glass which is installed as per photograph to the left, the flow can be seen wholly at every side of the model.
A good many of this model is used for low pressure operation.
Standard Specification
  Material: Carbon steel (S25C), SUS
 
(Unit: mm)         
 
Connection Size
1/2B
(15A)
3/4B
(20A)
1B
(25A)
11/2B
(40A)
2B
(50A)
21/2B
(65A)
3B
(80A)
4B
(100A)
5B
(125A)
6B
(150A)
Face to Face
240
240
240
240
260
260
260
280
300
300
Visible Diameter
100
100
100
100
100
100
100
100
100
100
 
Note: 1) SG-6F Sight glass w/rubber lining is also available. In this case, face to face distance increases by 6mm of thickness of rubber lining
2) SG-6F for sanitary services is also available.