White knight Psd04 User manual

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187 E. 670 S., Kamas, UT 84036

435.783.6040 888.796.2476

https://wkfluidhandling.com

PSD04 Owner’s Manual

Manuals available online at: wkfluidhandling.com/owners-manuals

Manual Part #18200-LM-0040

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187 E. 670 S., Kamas, UT 84036

435.783.6040 888.796.2476

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Copyright © 2022 White Knight Fluid Handling | A Graco company 9/14/2022 Version 1.1.4 
E. 670 S., Kamas, UT 84036 
783.6040 888.796.2476 
 
Table of Contents 
Introduction...........................................................................................................................1
Specifications & Performance...............................................................................................2
1 Pump Specifications...................................................................................................... 2 
2 PSD04 Performance Curves ......................................................................................... 3 
3 PSD04 Dimensional Drawing ........................................................................................ 4
4 PSD04 Exploded View Drawing..................................................................................... 5
Installation.............................................................................................................................7
1 Installation Precautions.................................................................................................. 7 
2 PSD Installation Advantages ......................................................................................... 8 
3 System and Pump Environment .................................................................................... 8 
4 Control and Monitoring Connections.............................................................................. 9 
5 PSD 04 Installation Instructions................................................................................... 10
Pump Service & Rebuilds ...................................................................................................11 
1 PSD Ordering instructions........................................................................................... 11
2 PSD04 Rebuild Kit Ordering Instructions..................................................................... 12
3 Alternative Wet Kit Ordering Instructions..................................................................... 14 
4 Tools............................................................................................................................ 15
5 Torque Instructions...................................................................................................... 15 
6 Disassembly Instructions............................................................................................. 16
7 Assembly Instructions.................................................................................................. 18
Accessories.........................................................................................................................20 
Warranty .............................................................................................................................21 
Certificate & Declaration of Conformity...............................................................................22 
 
 
 

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187 E. 670 S., Kamas, UT 84036

435.783.6040 888.796.2476

1 Introduction

Thank You for Purchasing White Knight Products

You have purchased a White Knight product that has been designed to our exacting

specifications and built by a team of technicians with the highest commitment to quality!

White Knight is the world leader in zero-metal, ultra-high purity pumps and continues to drive

the industry with new technology and products. Since the inception of White Knight in 1995,

we have been awarded over 14 US design patents and have multiple other patents

pending! White Knight currently produces over 30 sizes/models of pumps in varying materials

to meet our customers’ stringent requirements in numerous applications, including ultra-high

temperature re-circulation; high pressure chemical delivery systems, slurry, industrial chemical,

and industrial applications.

White Knight has received many prestigious awards for its designs and continues to lead the

industry in quality because White Knight controls the manufacturing process from raw

materials to finished goods in our facility located in Kamas, UT. This allows us to rigorously

manage our quality control process to ensure that our strict cleanliness procedures are always

followed and that components are built under consistent methods and conditions for maximum

reliability.

Our strict manufacturing process controls include assembling and testing White Knight

products in a clean environment. White Knight products also pass a battery of functional tests

to ensure operational integrity.

Before installing your White Knight product, please carefully review the product manual. There

are many helpful hints and ways to optimize the setup and use of your White Knight product as

well as instructions and requirements for installation. In addition, you will also find many

accessories in the manual that will enhance the functionality of your White Knight product.

Our team has gone to great lengths to provide you with the highest quality products at the best

value and we back them up with excellent warranties and world class support! We hope you

agree our products will serve your exacting needs and meet your stringent requirements every

time you purchase a White Knight Product.

Sincerely,

Brian Callahan

President

White Knight Fluid Handling

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187 E. 670 S., Kamas, UT 84036

435.783.6040 888.796.2476

2 Specifications & Performance

2.1 Pump Specifications

PSD04 Pump Performance Specification1

Flow

Rate

Theoretical

Displacement

Per Cycle

Suction

Lift Wet

Suction

Lift Dry

Sound

Pressure3

dB(a)

Sound

Power3

dB(a)

Max.

Size of

Passible

Solids4

Max

Operating

Temperature

Air

Supply

Pressure

Limits5

14 lpm

(3.6 gpm)

0.03 L

(0.008 gal)

9.5 L

(31.2 ft2)

2 m

(6.5 ft)

60.1

70.6

60.7

64.2

3 mm

0.12 in

100°C TE

70°C UH

30 psi

(100 psi)

All tests performed with water at ambient temperatures and PTFE check balls

1. Pump Specifications are subject to change based on configuration ordered

2. Suction lift diminishes with wear of pump, minimize suction lift to maximize performance

3. dB Level at 100 psi 50CPM (top) and 100 psi maximum CPM (bottom).

4. The passing of solids may shorten the life of a pump

5. Minimum startup pressure (Max supply pressure)

STORAGE

PSD pumps that are not put into operation upon delivery must be stored in an environment where they are

protected from moisture, extreme temperatures, UV radiation, vibration, and should be kept clean. White Knight

recommends an environment of ambient temperature (between 60° F (15°C) and 80°F (25°C)) with a humidity

level below 65%.

Maintenance and Torque Values

Upon installation of the pump, as well as after a few hours of operating the pump, the head and manifold bolts

must be re-torqued. Tie bolts and manifold bolts must be re-torqued to values specified in the table below.

Re-torqueing will be required after the pump has set for extended periods of time, run in thermal cycling

applications, been dismantled, or when there is a large difference between environmental and fluid temperatures.

See torqueing instructions on page 15.

Assembly Torque in-lbs. (kg-cm)

Re-torque Spec in-lbs. (kg-cm)

Tie Bolts

20 (23.0)

15 (17.3)

Manifold Bolts

20 (23.0)

15 (17.3)

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187 E. 670 S., Kamas, UT 84036

435.783.6040 888.796.2476

2.2 PSD04 Performance Curves

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187 E. 670 S., Kamas, UT 84036

435.783.6040 888.796.2476

2.3 PSD04 Dimensional Drawing

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187 E. 670 S., Kamas, UT 84036

435.783.6040 888.796.2476

2.4 PSD04 Exploded View Drawing

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187 E. 670 S., Kamas, UT 84036

435.783.6040 888.796.2476

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187 E. 670 S., Kamas, UT 84036

435.783.6040 888.796.2476

3 Installation

3.1 Installation Precautions

Restriction of Liquid Inlet Line

Restricting the liquid supply of the pump forces the pump to work harder than normal and

should be avoided whenever possible, especially when pumping viscous liquids. Attempting to

operate the pump against a closed liquid inlet will cause serious damage to the pump, and will

void the warranty. If you wish to slow or stop your pump this may be done by closing off the

liquid outlet.

Supply Pressure Recommendations

The life of your pump may be extended significantly by operating your pump 30%-40% below

redline operating supply pressures. The use of undersized regulators, valves, and supply lines

can decrease pump performance and longevity significantly.

Orientation

White Knight does not recommend installing your pump in any position other than its upright

position. Check valves within White Knight PSD pumps are actuated by gravity and/or flow

and perform optimally in the upright position.

Failure Potential

It is possible that the diaphragm may fail. In such a situation it is possible that chemical could

enter the air side of the pump, and may even escape through the muffler. In such a situation

the muffler media must be replaced and the air side purged. White Knight recommends the

implementation of a one-way valve on the air side to protect air lines from contamination in the

event of a diaphragm failure.

Muffler

Pump performance may be restricted in the event of a clogged muffler. Regular inspection of

air lines and muffler media is recommended to maintain performance.

Product Testing

Each pump is tested before being packaged for shipment. White Knight recommends the

flushing of each pump before servicing if water can contaminate the process.

Required Air Flow and Operating Pressure

Required Air Flow for the PSD04 is 3/16” minimum orifice unrestricted, up to 10 feet. Beyond

ten feet a larger ID may be required. An adaptor is included for ¼” NPT or 1/4” BSPT with all

pumps, NPT or BSPT is decided on based on the liquid fittings requested. Max air supply for

the PSD04 is 7 Bar (100 PSI).

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187 E. 670 S., Kamas, UT 84036

435.783.6040 888.796.2476

3.2 PSD Installation Advantages

3.3 System and Pump Environment

Passing Solids

All damage caused by passing solids (wafer shards, etc.) is coverable under warranty when your pump

is used in conjunction with a White Knight Catcher™ pre-pump filter.

Running Dry

White Knight PSD pumps are capable of running dry without damage other than normal wear to the

pump. When a pump is run dry it cycles faster than normal, accelerating the rate of normal wear.

Head Pressure / Dead-Head

White Knight PSD pumps may be controlled by opening and closing the outlet of the pump and may be

installed in any head pressure situation up to dead-head. Dead-head occurs when air supply pressure

and the liquid line (head) pressure are equal. Dead-head conditions allow for no flow. Under dead-head

conditions the PSD will cease to cycle (limiting wear) until conditions change allowing for flow.

Temperature

The PSD may be operated safely in low temperature applications. Take care to avoid freezing or

crystallization of the fluid inside or outside of the pump. Running the pump at temperatures below

freezing may accelerate the wear of the elastomer components within the pump. In applications where

the media or pump temperature varies, torque values (tension) of the manifold and head bolts must be

monitored. TE versions of the PSD Series pumps can be operated at temperatures up to 100°C

(212° F). UH versions of the PSD Series pumps can be operated at temperatures up to 70°C (158°F).

Clean Dry Supply Air (CDA)

Operation of the point of 5 PSD08 requires class 4 quality air for particles, moisture, and oils.

(maximum particle size 15 microns, 3° C Dew 5 mg/mᵌ) per ISO8573 –1.

Flammable Solvents

Any system used to pump flammable solvents should be properly grounded. A test from River’s Edge

on using isolative pumps to pump flammable liquids indicated that the liquid itself must be grounded and

that other procedures should be followed. A copy of the test is available upon request from White

Knight.

Pumping Liquids Near Boiling Point

The boiling point of a liquid is reduced under vacuum (suction) conditions. Due to the vacuum caused

by a pump, liquid could boil in the inlet line of the pump when it is not boiling in the tank (or other supply

reservoir). Placing the pump as close as possible to the tank and with as little vertical lift as possible

(the pump being flooded by gravity is ideal) minimizes boiling in the inlet line. Boiling of the liquid in the

inlet line causes a pump to “race” and accelerates the wear of the pump. Boiling liquids may cause

cavitation to occur. Damage to wearable or non-wearable components of the pump caused by cavitation

is not covered under warranty.

Abrasive Slurries

For slurry applications White Knight recommends use of the PSD UH pump.

Running a Submerged Pump

When running the PSD in submerged mode, the exhaust air must be sealed and redirected above the

surface of the media. Take care that all pump parts (air side and wet side) are resistant to the media

being used. It may be necessary to mount the pump to the bottom of the tank. Operating this pump

while submerged requires use of a remote muffler adaptor kit.

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187 E. 670 S., Kamas, UT 84036

435.783.6040 888.796.2476

3.4 Control and Monitoring Connections

PUMP MONITORING: Pump monitoring can be performed by solid state pressure switch

monitoring. This option is described on our website in the accessories section and is available

for new orders and for retrofits in the field.

Pump Control: Run mode and flow rate are two of the items which the CPT-1 can

control/monitor.

Pressure Switch Stroke

Detection

Conductivity Leak Detection

1

.

2

.

3

.

2

.

1

.

2

.

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187 E. 670 S., Kamas, UT 84036

435.783.6040 888.796.2476

3.5 PSD 04 Installation Instructions

Some configurations require re-orientation of crossover manifolds. See Disassembly

and Assembly Instructions.

Recommended Set Up

Inlet/Outlet Configurations

Supply Air

Pressure Gauge

Discharge Line

Shut off valve

Air Dryer

Filter Regulator

Shut off valve

Suction Line

Vacuum Gauge

Shut off valve

Adaptor is

included for

¼” NPT or

¼” BSPT

1.

2.

3.

Shut off valve

Flexible Connection

Shut off valve

Caution: Closing suction line while pump is operating will cause irreversible damage to the pump.

•Fix base plate to work

station with four 3/8” or

10 mm bolts. (Bolts not

included.)

•Attach ¼” liquid fittings

to pump. Excessive

force may damage

threads.

•Ensure airline is free of solids

before attaching. Supply air

via ⅛” NPT air fitting with

flexible connection.

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187 E. 670 S., Kamas, UT 84036

435.783.6040 888.796.2476

4 Pump Service & Rebuilds

4.1 PSD Ordering instructions

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187 E. 670 S., Kamas, UT 84036

435.783.6040 888.796.2476

4.2 PSD04 Rebuild Kit Ordering Instructions

Standard Rebuild Kits

PSD04 Rebuild Kits

Part Name

Part Number

PSD04 Dry Rebuild Kit

RBPSD04-1

PSD04TE-OT Wet Rebuild Kit

RBPSD04TE-OT

PSD04TE-ET Wet Rebuild Kit

RBPSD04TE-ET

PSD04TE-NT Wet Rebuild Kit

RBPSD04TE-NT

PSD04UH-OT Wet Rebuild Kit

RBPSD04UH-OT

PSD04UH-ET Wet Rebuild Kit

RBPSD04UH-ET

PSD04UH-NT Wet Rebuild Kit

RBPSD04UH-NT

PSD04TE-OT Combined Rebuild Kit*

RBPSD04TE-OT-1*

PSD04TE-ET Combined Rebuild Kit*

RBPSD04TE-ET-1*

PSD04TE-NT Combined Rebuild Kit*

RBPSD04TE-NT-1*

PSD04UH-OT Combined Rebuild Kit*

RBPSD04UH-OT-1*

PSD04UH-ET Combined Rebuild Kit*

RBPSD04UH-ET-1*

PSD04UH-NT Combined Rebuild Kit*

RBPSD04UH-NT-1*

*Contains all parts for a wet-side and dry-side rebuild

Parts Included in RBPSD04-1:

Part Number

Description

Quantity

10300-XX-0001

PTFE Lubricant, Squeeze Tube

1

5144-SS-0004

Diaphragm Shaft for WK Pump, PSD04

1

6140-FP-0002

Baffle, Porous Poly

2

14850-PT-0007

PSD04/06 Main Sleeve Assembly

1

14850-PT-0006

PSD04/06 Center Sleeve Assembly

1

10050-EM-0001

Ring, 0.0625 Thick, PSD04/06

2

10050-UH-0010

Glide Seal for PSD04 Shaft

2

10080-EM-013-50

#13 O-ring Seal

4

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187 E. 670 S., Kamas, UT 84036

435.783.6040 888.796.2476

Parts Included in RBPSD04TE-OT:

Part Number

Description

Quantity

3200-TE-0004

PTFE Overmolded Diaphragm for WK Pump, PSD04

2

10040-PE-0006

Cap Plug for WK Pump, PSD04/06

20

4142-TE-0009

Retainer, Ball, 3/8" PTFE, Top

2

4135-MP-0010

PSD04TE Check Seat

4

4100-TE-0007

3/8" Check Ball for WK Pump, PSD04, PTFE

4

4137-TE-0007

Retainer, Ball, 3/8" PTFE, Bottom

2

Parts Included in RBPSD04TE-ET:

Part Number

Description

Quantity

3200-EM-0004

EPDM Diaphragm for WK Pump, PSD04

2

10040-PE-0006

Cap Plug for WK Pump, PSD04/06

20

4142-TE-0009

Retainer, Ball, 3/8" PTFE, Top

2

4135-MP-0010

PSD04TE Check Seat

4

4100-TE-0007

3/8" Check Ball for WK Pump, PSD04, PTFE

4

4137-TE-0007

Retainer, Ball, 3/8" PTFE, Bottom

2

Parts Included in RBPSD04TE-NT:

Part Number

Description

Quantity

3200-BN-0004

Nitrile Diaphragm for WK Pump, PSD40

2

10040-PE-0006

Cap Plug for WK Pump, PSD04/06

20

4142-TE-0009

Retainer, Ball, 3/8" PTFE, Top

2

4135-MP-0010

PSD04TE Check Seat

4

4100-TE-0007

3/8" Check Ball for WK Pump, PSD04, PTFE

4

4137-TE-0007

Retainer, Ball, 3/8" PTFE, Bottom

2

Parts Included in RBPSD04UH-OT:

Part Number

Description

Quantity

3200-TE-0004

PTFE Overmolded Diaphragm for WK Pump, PSD04

2

10040-PE-0006

Cap Plug for WK Pump, PSD04/06

20

4142-TE-0009

Retainer, Ball, 3/8" PTFE, Top

2

4135-MP-0010

PSD04TE Check Seat

4

4100-TE-0007

3/8" Check Ball for WK Pump, PSD04, PTFE

4

4137-TE-0007

Retainer, Ball, 3/8" PTFE, Bottom

2

Parts Included in RBPSD04UH-ET:

Part Number

Description

Quantity

3200-EM-0004

EPDM Diaphragm for WK Pump, PSD04

2

10040-PE-0006

Cap Plug for WK Pump, PSD04/06

20

4142-TE-0009

Retainer, Ball, 3/8" PTFE, Top

2

4135-MP-0010

PSD04TE Check Seat

4

4100-TE-0007

3/8" Check Ball for WK Pump, PSD04, PTFE

4

4137-TE-0007

Retainer, Ball, 3/8" PTFE, Bottom

2

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187 E. 670 S., Kamas, UT 84036

435.783.6040 888.796.2476

Parts Included in RBPSD04UH-NT:

Part Number

Description

Quantity

3200-BN-0004

Nitrile Diaphragm for WK Pump, PSD40

2

10040-PE-0006

Cap Plug for WK Pump, PSD04/06

20

4142-TE-0009

Retainer, Ball, 3/8" PTFE, Top

2

4135-MP-0010

PSD04TE Check Seat

4

4100-TE-0007

3/8" Check Ball for WK Pump, PSD04, PTFE

4

4137-TE-0007

Retainer, Ball, 3/8" PTFE, Bottom

2

4.3 Alternative Wet Kit Ordering Instructions

Listed on page 12, are the standard rebuild kits offered by White Knight. Configurable wet kits

are available for purchase. To configure an alternative rebuild kit use the graphical ordering

instructions shown below.

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187 E. 670 S., Kamas, UT 84036

435.783.6040 888.796.2476

4.4 Tools

Part Name Part Number QTY.

Sleeve Cap Wrench 12100-PV-0030 1

Muffler Cap Wrench 12100-PV-0043 1

4.5 Torque Instructions

Four pin wrench used to

remove/install the Sleeve

Cap(included with pump). Hex

is for use with a 19mm or ¾”

socket drive. (12100-PV-0042)

Manifold

Tie Bolts

②

①

③

④

⑤

①

⑥

Tie bolts (purple) on both sides must be

torqued before manifold bolts (blue) on

top and bottom.

Torquing of tie bolts should be done in a

crossing fashion such as: 1, 2, 3, 4, 5, 6.

There is no particular order for Torquing

manifold bolts other than they must be

done after head bolts.

Apply Loctite Antiseize Lubricant LB 8012

(or equivalent) to all bolts. This procedure

must be followed for assembly and also

re-torquing of bolts.

Four pin wrench used to

remove/install the muffler cap

(included with pump). Hex is for

use with a 19mm or ¾” socket

drive. (12100-PV-0043)

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187 E. 670 S., Kamas, UT 84036

435.783.6040 888.796.2476

1.

•Remove all plastic caps.

•Use 3 mm Allen wrench to remove

pump base feet and inlet manifold

2.

•Remove bottom O-ring, and check valve parts.

Without scratching the inner bore, use a hook to

remove the check cages.

3.

4.

•Use 3 mm Allen Wrench to remove

outlet manifold.

•Remove top check valve parts following the

same process described in step 3.

5.

6.

•Reattach manifold bolts to

heads, to keep the manifold

nuts aligned.

4.6 Disassembly Instructions

White Knight PSD04 User manual

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