*** Not supplied with seals ***RAMPARTS DOUBLE / SINGLE ACTING HEAVY DUTY THREADED PISTONS WITH GRUB SCREW, AVAILABLE FROM 50mm DIA BORE TO 300mm DIA BORE. DNV PISTONS ARE ARE DESIGNED IN ACCORDANCE WITH DNV PART 4, CHAPTER 7 RULES SHIPS, LIGHT CRAFT AND NAVAL SURFACE CRAFT.
HEAVY DUTY THREADED PISTONS WITH GRUB SCREW ARE NOT SUITABLE FOR STANDARD RAMPARTS CHROMED RODS.
MAXIMUM WORKING PRESSURE = 350 BAR
MATERIAL = STEEL UNI-C40
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