
Circular sight glass fitting type 317 PN 0 -pressurelessFor welding in or on similar to DIN 28120 USAGE INSTALLATION NOTE Circular sight glass fittings are used to observe and illuminate the interior of closed containers (boilers, tanks, silos, etc.). Sight glass fittings of type 317 are round flange fittings for welding in or on, completed with a sight glass plate inserted and securely bolted between the gaskets. After welding the base flange, it must be checked whether the sealing surface has warped. If necessary, it must be reworked! Also note the specified torques for the bolting! The working pressure does not apply to the base flange; this must be checked together with the pressure equipment according to AD2000 Leaflet B9! DRAWING Materials 10112025 - Subject to technical changes and errors!
Open the catalog to page 1Circular sight glass fitting type 317 PN 0 -pressurelessFor welding in or on similar to DIN 28120 DN 10112025 - Subject to technical changes and errors! qe
Open the catalog to page 2Circular sight glass fitting type 317 PN 0 -pressureless Type317 PRODUCTCODE Example for Explaining the Code Composition TYPE NOMINAL SIZE BASE FLANGE1 GLASS GASKET 1) Borosilicate glass according to DIN 7080 or similar. 2) Soda-lime glass according to DIN 8902 or similar. 4) Borosilicate glass2 + PTFE wiper SGW 5) Borosilicate glass2 + silicone wiper SGW 6) Soda-lime glass3 + PTFE wiper SGW 7) Soda-lime glass3 + silicone wiper SGW 8) Unhardened borosilicate glass G00) Borosilicate glass2 + mica protection 1) Cover flange according to quote / order confirmation EXAMPLE STRUCTURE Unless otherwise...
Open the catalog to page 3Circular sight glass fitting type 317 PN 0 pressureless QUICK OVERVIEW Custom manufacturing possible Accessories available OPERATING CONDITIONS Operating conditions depend on the choice of glass and gaskets: Quartz glass Borosilicate glass untempered Sight glass
Open the catalog to page 4Circular sight glass fitting type 317 PN 0 pressureless OPTIONAL ACCESSORIES Round mica discs up to 320 °C with Borosilicate glass DIN 7080 Sight glass wiper with PTFE, silicone, EPDM or FKM wipers FEP protective screen / coating 10112025 - Subject to technical changes and errors! Powered by TCPDF (www.tcpdf.org)
Open the catalog to page 515 Pages
3 Pages
3 Pages
4 Pages