Specification
Types
- Type OSS: neutral, black anodized
- Type ES: with DIN re-fill symbol, blank
- Type ESS: with DIN re-fill symbol, black anodized
- Type AS: with DIN drain symbol, blank
- Type ASS: with DIN drain symbol, black anodized
Identification no.
- No. 1: without vent drilling
- No. 2: with vent drilling
- Type OS, ES and AS: fine turned, blank
- Type OSS, ESS and ASS: fine turned, black anodized
temperature resistant up to 180 °C
Sealing ring rubber FPM (Viton®)
Identification by not black finish of seal
Information
Threaded plugs GN 742 are fitted with outside diameter d1 to suit screw holes with BSP threads to DIN 3852.
The sealing ring is bedded into a undercut groove which prevents it from dropping out and at the same time stops it from being extruded when tightening the cap.
