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WIL-11510-E-09
Where Innovation Flows
EOM
ENGINEERING OPERATION
&
MAINTENANCE MANUAL
PS820/PS830
Bolted Metal Pump
WIL-11510-E-09 2
PS820/830 Bolted Metal
Copyright
Copyright 2018 PSG
®
, a Dover Company. All rights reserved.
PSG reserves the right to modify the information and illustrations in this document without prior
notice. The product described in this document is furnished under a license agreement or
nondisclosure agreement. No part of this document may be reproduced, stored in a retrieval
system, or transmitted in any form or any means electronic or mechanical, including
photocopying and recording, without the written permission of PSG, a Dover Company, except
as described by the terms of those agreements.
This is a non-contractual document.
Trademarks
PSG and the PSG logo are registered trademarks of PSG. Wilden
®
is a registered trademark of
PSG California LLC. Pro-Flo
®
SHIFT and Pro-Flo
®
are registered trademarks of PSG California
LLC. Wil-Flex
®
is a trademark of PSG California LLC. Saniflex™ is a trademark of PSG
California LLC.
All trademarks, names, logos and service marks (collectively “trademarks”) in this document are
registered and unregistered trademarks of their respective owners. Nothing contained in this
document should be construed as granting any license or right to use any trademark without the
prior written permission of the trademark owner.
Warranty
Each and every product manufactured by Wilden is built to meet the highest standards of
quality. Every pump is functionally tested to ensure integrity of operation. Wilden warrants that
pumps, accessories and parts manufactured or supplied by it to be free from defects in material
and workmanship for a period of five (5) years from date of installation or six (6) years from date
of manufacture, whichever comes first.
For more information, and to register your Wilden pump for warranty, please visit
https://www.psgdover.com/wilden/support/warranty-registration.
Certifications
WIL-11510-E-09 3
PS820/830 Bolted Metal
CONTENTS
SECTION 1: Precautions – Read First! ..................................................................................................... 4
SECTION 2: Wilden Pump Designation System ...................................................................................... 5
SECTION 3: How It Works .......................................................................................................................... 6
SECTION 4: Dimensional Drawings .......................................................................................................... 7
SECTION 5: Performance ........................................................................................................................... 9
PS820/PS830 Metal Rubber-Fitted ........................................................................................................... 9
PS820/PS830 Metal EZ-Install TPE-Fitted ............................................................................................... 9
PS820/PS830 Metal Full-Stroke PTFE-Fitted ......................................................................................... 10
Suction Lift Capability .............................................................................................................................. 11
SECTION 6: Suggested Installation, Operation, Maintenance, and Troubleshooting ....................... 13
SECTION 7: Disassembly/Reassembly ................................................................................................... 16
Pump Disassembly.................................................................................................................................. 16
Air Valve/Center Section Disassembly ................................................................................................... 19
Single-Point Exhaust ............................................................................................................................... 22
Reassembly Hints and Tips .................................................................................................................... 22
SECTION 8: Exploded View and Parts List ............................................................................................. 24
SECTION 9: Elastomer Options ............................................................................................................... 28
WIL-11510-E-09 4
PS820/830 Bolted Metal
SECTION 1
WARNING:
CAUTION:
CAUTION:
TEMPERATURE LIMITS:
NOTE:
CAUTION:
CAUTION:
CAUTION:
CAUTION:
CAUTION:
CAUTION:
CAUTION:
CAUTION:
CAUTION:
CAUTION:
CAUTION:
NOTE:
NOTE:
NOTE:
NOTE:
NOTE:
WARNING:
PRECAUTIONS – READ FIRST!
WIL-11510-E-09 5
PS820/830 Bolted Metal
SECTION
2
MATERIAL CODES
MODEL
WETTED PATH
OUTER PISTON
AIR CHAMBERS
CENTER BLOCK
AIR VALVE
DIAPHRAGMS
VALVE BALLS
VALVE SEATS
VALVE SEAT O-RINGS
SPECIALTY
CODES
NOTE:
NOTE:
PS
8
20/
8
30 METAL
LEGEND
XPS
8
20
/
X
X
X
X
X
/
X
X
X
/
X
X
/
X
X
X
/
X
X
X
X
51
mm (2") Pump
Maximum Flow Rate:
685 lpm (181 gpm)
O
-
RING
S
MODEL
VALVE SEAT
S
SPECIAL
TY
VALVE BALL
S
CODE
DIAPHRAGMS
AIR VALVE
CENTER BLOCK
AIR CHAMBERS
OUTER PISTON
WETTED PATHS
WILDEN PUMP DESIGNATION SYSTEM
WIL-11510-E-09 6
PS820/830 Bolted Metal
SECTION
3
FIGURE 1
FIGURE 2
FIGURE 3
HOW IT WORKS – AIR-OPERATED DOUBLE-DIAPHRAGM PUMP
HOW IT WORKS
–
AIR DISTRIBUTION SYSTEM
WIL-11510-E-09 7
PS820/830 Bolted Metal
SECT
ION
4
PS820 DUCTILE IRON & ALUMINUM
DIMENSIONS
ITEM
METRIC
(mm)
STANDARD
(inch)
LW0238 REV. C
PS830 DUCTILE IRON & ALUMINUM
DIMENSIONS
ITEM
METRIC
(mm)
STANDARD
(inch)
DIN (mm)
ANSI (Inch)
LW0239 REV. C
DIMENSIONAL DRAWING
WIL-11510-E-09 8
PS820/830 Bolted Metal
PS
8
20
STAINLESS STEEL
DIMENSIONS
ITEM
METRIC
(mm)
STANDARD
(inch)
LW0240 REV. B
P
S
830
STAINLESS STEEL
DIMENSIONS
ITEM
METRIC
(mm)
STANDARD
(inch)
DIN (mm)
ANSI (Inch)
LW0241 REV. B
DIMENSIONAL DRAWING
WIL-11510-E-09 9
PS820/830 Bolted Metal
SECTION
5
PS820/PS830 METAL
RUBBER
-
FITTED
Example:
Flow rates indicated on chart were determined by pumping water. For optimum life and performance, pumps
should be specified so that daily operation parameters will fall in the center of the pump's performance curve.
Caution: Do not exceed 8.6 bar (125 psig) ai
r supply pressure.
PS820/PS830 METAL
EZ
-
INSTALL TPE
-
FITTED
Example:
Flow rates indicated on chart were determined by pumping water. For optimum life and performance, pumps
should be specified so that daily operation parameters will fall in the center of the pump's performance curve.
Caution: Do not exceed 8.6 bar (125 psig) air supply pressure.
PERFORMANCE
WIL-11510-E-09 10
PS820/830 Bolted Metal
60[102]
80[136]
100[170]
20 40 60 80 100 120 140 160 180
[76] [151] [227] [303] [379] [454] [530] [606] [681]
40[68]
20[34]
PS820/PS830 METAL
FULL-STROKE
PTFE
-
FITTED
Example:
Flow rates indicated on chart were determined by pumping water. For optimum life and performance, pumps
should be specified so that daily operation parameters will fall in the center of the pump's performance curve.
Caution: Do not exceed 8.6 bar (125 psig) air supply pressure.
PERFORMANCE
WIL-11510-E-09 11
PS820/830 Bolted Metal
PS820/PS830 ALUMINUM
SUCTION LIFT
CAPABILITY
PS820/PS830 STAINLESS
STEEL SUCTION LIFT
CAPABILITY
SUCTION LIFT CAPABILITY
WIL-11510-E-09 12
PS820/830 Bolted Metal
PS820/PS830 DUCTILE
IRON SUCTION LIFT
CAPABILITY
SUCTION LIFT CAPABILITY
WIL-11510-E-09 13
PS820/830 Bolted Metal
SECTION
6
CAUTION:
Location
Access:
Air Supply:
Solenoid Operation:
Muffler:
Elevation:
Piping:
NOTE:
Single-Point Exhaust
CAUTION:
CAUTION:
SUGGESTED INSTALLATION, OPERATION, MAINTENANCE
AND TROUBLESHOOTING
WIL-11510-E-09 14
PS820/830 Bolted Metal
NOTE:
Air-Operated Pumps:
Operation
Maintenance and Inspections
SUGGESTED INSTALLATION, OPERATION, MAINTENANCE
AND TROUBLESHOOTING
WIL-11510-E-09 15
PS820/830 Bolted Metal
Troubleshooting
Pump will not run or runs slowly.
Pump runs, but little or no product flows.
Pump air valve freezes.
Air bubbles in pump discharge.
Product comes out air exhaust.
SUGGESTED INSTALLATION, OPERATION, MAINTENANCE
AND TROUBLESHOOTING
WIL-11510-E-09 16
PS820/830 Bolted Metal
SECTION
7
PUMP DISASSEMBLY
Tools Required:
CAUTION:
NOTE:
NOTE:
Step 1
Step 2
Step 3
DISASSEMBLY / REASSEMBLY
WIL-11510-E-09 17
PS820/830 Bolted Metal
Step
4
Step
5
Step
6
NOTE:
Step
7
Step
8
Step
9
DISASSEMBLY / REASSEMBLY
WIL-11510-E-09 18
PS820/830 Bolted Metal
Step 1
0
Step
11
Step
12
DISASSEMBLY / REASSEMBLY
WIL-11510-E-09 19
PS820/830 Bolted Metal
AIR VALVE / CENTER SECTION DISASSEMBLY
Tools Required:
CAUTION:
NOTE:
NOTE:
Step 1
Step 2
Step 3
Step
4
Step
5
Step
6
DISASSEMBLY / REA
SSEMBLY
WIL-11510-E-09 20
PS820/830 Bolted Metal
Step
7
Step
8
Step
9
NOTE:
Step
10
Step
11
Step
12
DISASSEMBLY / REASSEMBLY
/
