Materials in Flow Path of G5654A Bio-Inert Pump, G7110B Isocratic Pump, G7111B Quaternary Pump, G7111A Quaternary Pump VL

Following materials are used in the flow path of this module:

**Table:** Materials in flow path (G7110B, G7111A, G7111B)
Part	Materials
Degasser chamber	TFE/PDD Copolymer, PFA (internal tubings), PEEK (inlets), FEP (tubings), ETFE (fittings)
MCGV	SST, PTFE, PEEK, FEP, PFA, ceramic, sapphire, ruby
4CGV	PEEK, FFKM
Passive inlet valve	SST, gold, sapphire, ruby, ceramic, PTFE
Active inlet valve	SST, gold, sapphire, ruby, ceramic, PTFE
Outlet valve	SST, gold, ruby, ZrO₂-based ceramic, tantalum
Adapter	SST, gold
Pump head (body)	SST
Pistons	Sapphire
Piston seals/wash seals	PTFE, SST (reversed phase) or UHMW-PE, SST (normal phase)
Pressure sensor	SST
Purge valve	SST, gold, PTFE, ceramic
Damping unit	SST, gold
Capillaries/fittings	SST
Tubings	PTFE

**Table:** Materials in flow path (G5654A)
Part	Materials
Degasser chamber	TFE/PDD Copolymer, PFA (internal tubings), PEEK (inlets), FEP (tubings), ETFE (fittings)
MCGV	Platinum-iridium, titanium, PTFE, PEEK, FEP, PFA, ceramic, sapphire, ruby
4CGV	PEEK, FFKM
Active inlet valve	Platinum-iridium, titanium, gold, sapphire, ruby, ceramic, PTFE
Outlet valve	Titanium, gold, ruby, ZrO₂-based ceramic, tantalum
Adapter	Titanium, gold
Pump head (body)	Titanium
Pistons	Sapphire
Piston seals/wash seals	PTFE, gold
Pressure sensor	Titanium
Purge valve	Titanium, gold, PTFE, ceramic
Damping unit	Titanium, gold
Capillaries/fittings	Titanium
Tubings	PTFE

21-Jun-2025