Section 2: Wilden Pump Designation System - Dover PSG WILDEN PS25 Operation & Maintenance Manual

PS25 Bolted Plastic
SECTION 2
PS25 PLASTIC
LEGEND
6 mm (1/4") Pump
Maximum Flow Rate:
21.6 lpm (5.7 gpm)
MATERIAL CODES
MODEL
PS25
WETTED PATH
K = PVDF
P = POLYPROPLYENE
OUTER PISTON
K = PVDF
P = POLYPROPLYENE
CENTER BLOCK
PP = POLYPROPYLENE
NOTE: Most elastomeric materials use colored dots for identification
WIL-11021-E-01
WILDEN PUMP DESIGNATION SYSTEM
PS 25 / X X X
MODEL
CENTER BLOCK
OUTER PISTON
WETTED PATHS
AIR VALVE
P = POLYPROPYLENE
DIAPHRAGMS
TWS = PTFE W/ WIL-FLEX™
(SANTOPRENE
ZGS = GEOLAST
ZWS = WIL-FLEX™(SANTOPRENE
X X / X X X / X X / X
VALVE BALLS
DIAPHRAGMS
AIR VALVE
VALVE BALLS
TF = PTFE (WHITE)
WF = WIL-FLEX™ (SANTOPRENE
VALVE SEAT
® ) BACK-UP K = PVDF
® P = POLYPROPLYENE
)
®
VALVE SEAT O-RING
BN = BUNA-N
EP = EPDM
TF = PTFE
VT = FKM
X X
O-RINGS
VALVE SEATS
® )
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