Description

Yamada offers a Unique Unified PTFE
diaphragm with bonded rubber backer for
the 1½” NDP-40, 2” NDP-(P)50 and 3”
NDP-80 series.
This unique design offers:

• A long life FLEX PTFE diaphragm.
• An easy clean FLEX PTFE diaphragm as no
  center disc, nut or center rod is inside the
  fluid area.
• No center hole leak path
• A litre per minute pump performance equal
  to rubber diaphragms.
• An optimum fluid chamber filling.
• An optimum energy versus litre per minute
  ratio at all levels.
• An upgrade for existing PTFE fitted pumps.
• An ATEX conform solution in all our metal
  and PVDF pump executions with aluminium
  motor.
• Bolted holes to secure leak free operation