PVC Sight Glass Flange End ANSI CL150 is made by glass body with PVC flange, the main function of sight glass is to observe the medium inside the pipe. PVC sight glass size from 1/2" to 300" with flange connection fit standard ANSI CL150, JIS 10K and DIN PN10. PVC sight glass is suitable for water, waste water, acids, ect. plastic sight glass can be used without pressure only.

Basic specification
Size: DN15~DN300 (1/2 inch ~ 12 inch)
Flange connection: DIN PN10; ANSI CL150; JIS 10K
Flange Material: PVC-U; PVC-C; PVDF; PP-GF; PP-H
Glass Material: Borosilicate Glass
Seal material: EPDM; FPM
Design pressure: 0.15Mpa (PN1.5 bar)

Feature of Sight Glass
The parts that will touch medium is made from corrosive resist material.    
Steel bolt support the glass body, make the sight glass stronger.    
Rubber seals to protect medium leak to atmosphere.    
Suitable for horizontal and vertical installation.