
WILDEN PUMP & ENGINEERING, LLC
2
WIL-17100-E-02
CSA-CERTIFIED
NATURAL GAS
ADVANCED™
FIT PUMPS
51 mm (2") Pump
Maximum Flow
Rate:
675 LPM (178 GPM)
LEGEND
GPSXXXX / XXXXX / XXX / XX /XXX /
XXXX
O-RINGS
MODEL
VALVE SEAT
VALVE BALLS
DIAPHRAGMS
AIR VALVE
CENTER BLOCK
AIR CHAMBERS
WETTED PARTS & OUTER PISTON
SPECIALTY
CODE
(if applicable)
NOTE:
Most elastomer materials use colored dots for identification.
NOTE:
Not all models are available with all material options.
SPECIALTY CODES
MATERIAL CODES
S e c t i o n 2
W I L D E N P U M P D E S I G N A T I O N S Y S T E M
Maximum Flow
Rates:
38 mm (1-1/2”)
460 lpm (122 gpm)
51 mm (2”)
645 lpm (171 gpm)
76 mm (3”)
933 lpm (246 gpm)
MODEL
GPS420 = ATEX, CSA, PRO-FLO
SHIFT, THREADED
PORTS
GPS430 = ATEX, CSA, PRO-FLO
SHIFT, FLANGED
PORTS
GPS820 = ATEX, CSA, PRO-FLO
SHIFT, THREADED
PORTS
GPS830 = ATEX, CSA, PRO-FLO
SHIFT, FLANGED
PORTS
GPS1520 = ATEX, CSA, PRO-FLO
SHIFT, THREADED
PORTS
GPS1530 = ATEX, CSA, PRO-FLO
SHIFT, FLANGED
PORTS
WETTED PARTS / OUTER PISTON /
AIR CHAMBER
AAA = ALUMINUM / ALUMINUM
/ ALUMINUM
SSS = STAINLESS STEEL /
STAINLESS STEEL /
STAINLESS STEEL
CENTER BLOCK
A = ALUMINUM
S = STAINLESS STEEL
AIR VALVE
A = ALUMINUM
S = STAINLESS STEEL
DIAPHRAGMS
TWS = FULL-STROKE PTFE
w/WIL-FLEX™ BACK-UP
ZWS = WIL-FLEX™, EZ-INSTALL
(Orange Dot)
VALVE BALL
TF = PTFE (White)
WF = WIL-FLEX™ [Santoprene
®
(Orange Dot)]
VALVE SEAT
A = ALUMINUM
S = STAINLESS STEEL
WF = WIL-FLEX™ [Santoprene
®
(Orange Dot)]
VALVE SEAT O-RING
TF = PTFE
0014 BSPT
0504 DIN Flange