WILDEN PUMP & ENGINEERING, LLC
2
WIL-10830-E-03
LEGEND
XXX / XXXXX / XXX / XX / XX /
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VALVE
MODEL
SEATS
VALVE BALLS
DIAPHRAGMS
AIR VALVE
CENTER BLOCK
AIR CHAMBERS
WETTED PARTS & OUTER PISTON
SPECIALTY
CODE
(if applicable)
NOTE: Bold specialty codes indicate the standard product offering.
NOTE: Most elastomeric materials use colored dots for identification.
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
PS STALLION
38 mm (1-1/2”) Pump
Maximum Flow Rate:
307 lpm (81 gpm)
51 mm (2”) Pump
Maximum Flow Rate:
634 lpm (168 gpm)
76 mm (3”) Pump
Maximum Flow Rate:
764 lpm (202 gpm)
MODEL
PS4 = 38 mm (1-1/2”)
PS8 = 51 mm (2”)
PS15 = 76 mm (3”)
WETTED PARTS & OUTER PISTON
AA = ALUMINUM / ALUMINUM
WW = DUCTILE IRON / DUCTILE
IRON (PS4 & PS8 Only)
AIR CHAMBERS
A = ALUMINUM
CENTER BLOCK
A = ALUMINUM
AIR VALVE
R = ANODIZED ALUMINUM
DIAPHRAGMS
ZGS = GEOLAST
®
, EZ-INSTALL
ZPS = POLYURETHANE,
EZ-INSTALL (Clear)
ZWS = WIL-FLEX™, EZ-INSTALL
(Orange Dot)
VALVE BALLS
BN = BUNA-N (Red Dot)
EP = NORDEL
®
(Blue Dot)
NE = NEOPRENE (Green Dot)
PU = Polyurethane (Brown)
VT = VITON
®
(Silver or
White Dot)
WF = WIL-FLEX™ [Santoprene
®
(Orange Dot)]
VALVE SEATS
BN = BUNA-N (Red Dot)
EP = NORDEL
®
(Blue Dot)
NE = NEOPRENE (Green Dot)
PU = Polyurethane (Clear)
VT = VITON
®
(Silver or
White Dot)
WF = WIL-FLEX™ [Santoprene
®
(Orange Dot)]
0046 Stallion internals, BSPT
0048 Stallion Internals
0050 Stallion
0051 Stallion, BSPT
0319 Single-point exhaust, BSPT
0320 Single-point exhaust
