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Sight Glass Valve ISG-SFISG-SNF

Specification Standards :

  • Pipe Threaded end in accordance with BSPT or NPT

Features 

  • Flapper type design
  •  Sec through
  •  Is device to be used visually to check the flow condition at the both sides through the transparent inside
  •  The oscillating amount of the flapper responding to flux is to depend upon the flow condition enough to check easily
  • Specially hardened glass and stainless steel flapper ensures to endure over load , reverse flow and endure at water hammer

Application :

  •  For general and industrial services
  • Applicable medium : water ,  light oil

Materials :

No. Parts Material
1 Body Cast iron (FC200)
2 Cap Cast iron (FC200)
3 Glass Tempered glass
4 Flapper SS304
5 Gasket Compressed asbestos fiber

Test Requirements :

  • Working Pressure : 150 psi
  • Maximum Pressure : 200 psi
  • Shell Test Pressure : 300 psi
  • Applicable Temperature : < 120°C

Dimensions : mm.

Size 1/2″ 3/4″ 1″ 1.1/4″ 1.5″ 2″
D 15 20 25 32 40 50
H 65 76 86 107 117 138
L 93 98 118 137 142 156
Wt(kg) 0.78 0.93 1.54 2.87 3.14 4.27