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Parallel sight glasses
Type 9000

PN10 to PN100 - 150Lbs to 600Lbs according to DN

DN15 to DN300 - 1/2" to 12"

  • Connection :
  • Any type of connection (screwed-on, welded or floating, threaded, SW, BW, double male or female connection, single male or female connection or other special connections)
  • Specific configurations :
  • Heating jacket
  • Counterweight calibrated check valve
  • Visualisation fins
  • Protective grate
  • Lighting
  • Double protection glass
  • Draining or cleaning nozzles
  • Certifications :
  • ATEX certification
  • FDA certificate for body seal, other...



Some options are not compatible

Special valve can be designed upon request


DN15 to DN300

Pressure class

PN10 to PN100 - 150Lbs to 600Lbs according to DN


Welded, screwed-on or floating flange

Sight type


Body shape

Straight, 3 ways, angle, other…

Glass type

Borosilicate glass (pyrex), VTS glass, other...

Material in contact with the fluid

Steel, stainless steel, duplex and super duplex, inconel, incoloy®, hastelloy®, titanium, uranus®, nickel, monel

Body seal material

25% PTFE glass, graphite, reinforced graphite, stainless steel graphite or stainless steel PTFE spiral, helicoflex®, viton, kalrez®, EPDM…

Batch of parallel sight glasses in stainless steel 316L, with 3 ways body
Painted steel parallel sight glasses DN25 PN16, with protective grate
Parallel sight glass DN25-50 PN16 in B6 Uranus, with DN10 nozzle
Painted steel parallel sight glasses DN50 PN16, with visualisation fins
Download the specification sheet