PUMP DESIGNATION SYSTEM
NTG50
NOMAD TRANS-FLO™
MATERIAL CODES
MODEL
NTG50 =
51MM (2")
WETTED PARTS &
OUTER PISTON
AA = ALUMINUM / ALUMINUM
S
= 316 S.S.
AIR CHAMBERS
A
= ALUMINUM
CENTER BLOCK
A
= ALUMINUM
AIR VALVE
B
= BRASS
DIAPHRAGMS
BN = BUNA-N (Red Dot)
FG = HYTREL
ND = EPDM (Blue Dot)
NE = NEOPRENE (Green Dot)
SN = SANTOPRENE
TF
= PTFE
VT = VITON (White Dot)
VALVE BALL
BN = BUNA-N (Red Dot)
FG = HYTREL
ND = EPDM (Blue Dot)
NE = NEOPRENE (Green Dot)
SN = SANTOPRENE
TF = PTFE (White)
VT = VITON (White Dot)
VALVE SEAT
A
= ALUMINUM*
BN = BUNA-N (Red Dot)
FG = HYTREL
ND = EPDM (Blue Dot)
NE = NEOPRENE (Green Dot)
S
= STAINLESS*
SN = SANTOPRENE
VT = VITON
*Valve seat o-ring required.
VALVE SEAT O-RING
TF = PTFE (White)
2
NTG50 / XXXX / XX / XX / XX / X
MODEL
VALVE SEAT
THREADED CONNECTION
VALVE BALLS
DIAPHRAGMS
AIR VALVE
CENTER BLOCK OR CENTER SECTION
AIR CHAMBERS OR CENTER SECTION
WETTED PARTS
SIZE
51 mm (2") Pump
Maximum Flow Rate:
617 lpm (163 gpm)