Dover Wilden Original PV20, Инженерия, эксплуатация и обслуживание, Страница: 4 / 25

WILDEN PUMP & ENGINEERING, LLC 2
TT5049 EOM-PV20M 9/05
NOTE: MOST ELASTOMERIC MATERIALS USE COLORED DOT FOR IDENTIFICATION
Viton ® is a registered trademark of Dupont Dow Elastomers.
LEGEND
PV20 / XXXXX / XXX / XX / X XX /
XXXX
O-RINGS
MODEL
VALVE SEAT
VALVE BALLS
DIAPHRAGMS
AIR VALVE
CENTER BLOCK
AIR CHAMBERS
OUTER PISTON
WETTED PARTS
SPECIALTY
CODE
(if applicable)
In the case where a center section is used instead of a center block and air chambers,
the designation will be as follows: Aluminum = AA, Polypropylene = PP,
Carbon-filled Acetal = GG, Acetal = LL
PV20 ORIGINAL™
METAL
102 mm (4") Pump
Maximum Flow Rate:
1174 LPM (310 GPM)
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
SPECIALTY CODES
0057 PV20 with undrilled drain holes
MATERIAL CODES
WETTED PARTS
WW = CAST IRON / CAST IRON
AIR CHAMBERS
A = ALUMINUM
CENTER BLOCK
A = ALUMINUM
AIR VALVE
A = ALUMINUM
DIAPHRAGMS
BNS = BUNA-N (Red Dot)
BNU = BUNA-N, Ultra-Flex™
EPS = EPDM (Blue Dot)
EPU = EPDM, Ultra-Flex™
FSS =
SANIFLEX™
[Hytrel
® (Cream)]
NES = NEOPRENE (Green Dot)
NEU = NEOPRENE, Ultra-Flex™
PUS = POLYURETHANE (Clear)
VTU = VITON
® , Ultra-Flex™
VTS = VITON
®
(Silver or White Dot)
WFS = WIL-FLEX™ [Santoprene
®
(Orange Dot)]
VALVE BALL
PU = POLYURETHANE (Brown)
TF = TEFLON
® PTFE (White)
VALVE SEAT
P = POLYURETHANE (Brown)
V = VITON
®
MANIFOLD GASKET
EP = EPDM
VT = VITON
®