Wilden PX4 series, Engineering, Operation & Maintenance

WILDEN PUMP & ENGINEERING, LLC 

2 

WIL-12310-E-04

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

PX8 SANIFLO

™

HYGIENIC SERIES

51 mm (2") Pump
Maximum Flow Rate:
587 lpm (155 gpm)

LEGEND

PX8 / XXXXX / XXX / XX / XX /

XXXX

GASKETS

MODEL

VALVE OPTION

DIAPHRAGMS

AIR VALVE

AIR CHAMBER

CENTER SECTION

WETTED PARTS & OUTER PISTON

SPECIALTY
CODE

(if applicable)

SPECIALTY CODES

MATERIAL CODES

MODEL

PX8   =  51 mm (2")
XPX8  =  51 mm (2") ATEX

WETTED PARTS/
OUTER PISTON

SS  =   316L STAINLESS STEEL
SZ  =  316L STAINLESS STEEL/
  

NO 

PISTON

CENTER BLOCK

N =  NICKEL PLATED ALUMINUM
S  =  316 STAINLESS STEEL

AIR CHAMBERS

N =  NICKEL PLATED ALUMINUM
S  =  316 STAINLESS STEEL

AIR VALVE

N =  NICKEL PLATED ALUMINUM
S  =  316 STAINLESS STEEL

DIAPHRAGMS

BNU =  ULTRA-FLEX™ BUNA

1,5

EPU = ULTRA-FLEX™ 

EPDM

1,5

FBS  =   SANITARY BUNA

1

(two yellow dots)

FES   =   SANITARY EPDM

1

(two blue dots)

FSS = SANIFLEX™ 

1

FWL  =  FULL STROKE SANITARY  
  

WIL-FLEX™ 

IPD

1,3,4

FWS =  SANITARY WIL-FLEX™ 

1

LEL = PTFE-EPDM 

BACKED

LAMINATE 

IPD

1,2,3,4,5

TEU  =  PTFE w/EPDM BACKUP

1,2,5

TSS  =   FULL STROKE PTFE 

w/SANIFLEX™ BACK-UP

1,2

TSU = PTFE 

w/SANIFLEX™

BACK-UP

1,2,5

TWS  =   FULL STROKE PTFE 

w/WIL-FLEX™ BACK-UP

1,2

VALVE BALLS, FLAP VALVES,
MUSHROOM CHECK

FB = SANITARY 

BUNA

1,3,4

(red 

dot)

FE = SANITARY 

EPDM

1,3,4

(green 

dot)

FS = SANIFLEX™ 

1,3,4

FW = SANITARY WIL-FLEX™

 1,3,4

SF  =  STAINLESS STEEL FLAP

1,5

TF = PTFE

1,2,3,4

TM  =  PTFE MUSHROOM  

CHECK

1,2

MANIFOLD GASKET

FB = SANITARY 

BUNA-N

1,3,4

(red 

dot)

FE = SANITARY 

EPDM

1,3,4

(green 

dot)

FV = SANITARY 

VITON

®

1, 3, 4

(one 

white/one

yellow 

dots)

TF = PTFE

1,2,3,4,5

NOTE: MOST ELASTOMERIC MATERIALS USE COLORED DOTS FOR IDENTIFICATION.

Viton

®

 is a registered trademark of DuPont Dow Elastomers.

0770 SaniFlo HS 

0771  SaniFlo HS, w/Swivel Stand
0772  SaniFlo HS, Wil-Gard 110V
0773  SaniFlo HS, Wil-Gard 220V
0774  HS, Wil-Gard 110V, w/Swivel Stand
0775  SaniFlo HS, Wil-Gard 220V, w/Swivel Stand
0778  SaniFlo HS, DIN Connection
0779  HS, w/Swivel Stand DIN Connection
0780  SaniFlo HS, Wil-Gard 110V DIN Connection

0781  SaniFlo HS, Wil-Gard 220V DIN Connection
0782  SaniFlo HS, Wil-Gard 110V, w/Swivel Stand DIN Connection
0783  SaniFlo HS, Wil-Gard 220V, w/Swivel Stand DIN Connection
0784  SaniFlo HS, SMS Connection
0785  SaniFlo HS, w/Swivel Stand SMS Connection
0786  SaniFlo HS, Wil-Gard 110V SMS Connection
0787  SaniFlo HS, Wil-Gard 220V SMS Connection
0788  SaniFlo HS, Wil-Gard 110V, w/Swivel Stand SMS Connection
0789  SaniFlo HS, Wil-Gard 220V, w/Swivel Stand SMS Connection

NOTE: 
1.  Meets Requirements of FDA CFR21.177
2.  Meets Requirements of USPClass VI
3.  Required for EHEDG Certification
4.  Required for 3-A Certification
5.   Stainless flap valve not available with reduced stroke PTFE, reduced 

stroke Ultra-Flex

TM

 or reduced stroke Laminate IP diaphragms