PRESSURE | UP TO 250 BAR STANDARD – FROM 250 TO 350 BAR UPON SPECIFIC REQUEST BY THE CUSTOMER, SUBJECT TO EVALUATION |
TESTING PRESSURE | Max 350 bar |
TUBE | Glossy tubes H9 – material E355 – EN10305-2 (WELDED) Polished tubes H8 – material E355 – EN10305-1 (NOT WELDED) Ground internally for tolerance H8 average Ra 0.4 GLOSSY BY DRAWING FOR H9 – average Ra 0.8 |
ROD | STANDARD C45 chrome-plated bar Chromium minimum thickness from 25 µ ± 5 (standard) on request 50 µ ± 5 Steel on request: 20MNV6 – 42CrMo4V, 38MnV6 or other State of material: Natural-Hardened-Hardened and tempered |
BOTTOMS | Material S235 – S355 |
CONNECTIONS | Material S235 – S275 – S355 |
PISTONS | Material C40 – S355 – AVP – GHISA |
GUIDE RAIL HEADS | Cast Iron – G25 Centrifuged Cast iron – G500 Ductile (on request) Steel WITH GIDE RAILS or nitriding TENIFER Steel WITH GIDE RAILS or nitriding TENIFER |
GASKETS | NBR Rubber – POLYURETHANE – PTFE – PHENOLIC RESINS AND ACETALIC RESINS Viton for maximum temperature of 200°C |
COATING | Powder (not for complete cylinder) or solvent/water liquid Standard thicknesses 50/80 micron dry. |