Dover WILDEN A1 Series Manual de instrucciones

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WIL-10040-E

WILDEN PUMP & ENGINEERING, LLC B WIL-10040-E-02

WILDEN PUMP & ENGINEERING, LLC

TABLE OF CONTENTS

PAGE #

SECTION #1 — WILDEN PUMP DESIGNATION SYSTEM ............... 1

SECTION #2 — THE WILDEN PUMP – HOW IT WORKS ................... 2

SECTION #3 — CAUTIONS — READ FIRST! ............................................... 3

SECTION #4 — DIMENSIONAL DRAWINGS

A. Model A1T PLASTIC (T-series Center Section) .................................................................. 4

B. Model A1B PLASTIC (Adapter Block with T-series Center Section).................................. 4

C. Model A1P PLASTIC (P-series Center Section) ................................................................. 5

D. Model A1B PLASTIC (Adapter Block with P-series Center Section) ................................. 5

SECTION #5 — PERFORMANCE CURVES

A. Model A1T PLASTIC Rubber Fitted (T-series Center Section)........................................... 6

B. Model A1T PLASTIC PTFE Fitted (T-series Center Section) .............................................. 6

C. Model A1P PLASTIC Rubber Fitted (P-series Center Section).......................................... 7

D. Model A1P PLASTIC PTFE Fitted (P-series Center Section) ............................................. 7

SECTION #6 — 70/30 OPERATING CONDITION

A. Model A1T PLASTIC Rubber Fitted (T-series Center Section)........................................... 8

A. Model A1T PLASTIC PTFE Fitted (T-series Center Section) .............................................. 8

B. Model A1P PLASTIC Rubber Fitted (P-series Center Section).......................................... 8

B. Model A1P PLASTIC PTFE Fitted (P-series Center Section) ............................................. 8

SECTION #7 — INSTALLATION & OPERATION

A. Installation Accu-Flo........................................................................................................... 9

B. Operating Principals ........................................................................................................... 10

C. Operation & Maintenance................................................................................................... 10

D. Troubleshooting .................................................................................................................. 11

SECTION #8 — DIRECTIONS FOR DISASSEMBLY/REASSEMBLY

A. Models A1T & A1P & A1B Plastic - Wetted Path ............................................................... 12

B. Reassembly Hints & Tips.................................................................................................... 15

C. Gasket Kit Installation......................................................................................................... 16

SECTION #9 — EXPLODED VIEW/PARTS LISTING

A. Model A1T PLASTIC (T-series Center Section) .................................................................. 18

B. Model A1P PLASTIC (P-series Center Section) ................................................................. 20

SECTION #10 — ELASTOMER OPTIONS/

ELECTRICAL INFORMATION

A. Elastomer Options .............................................................................................................. 22

B. Electrical Information.......................................................................................................... 23

NON

USE

U.S. Clean Air Act

Amendments of 1990

WIL-10040-E-02 1 WILDEN PUMP & ENGINEERING, LLC

1WILDEN PUMP & ENGINEERING

LLC

MODEL A1 PLASTIC

MATERIAL CODES

SECTION 1

WILDEN PUMP DESIGNATION SYSTEM

WETTED PARTS

K = PVDF

P = POLYPROPYLENE

AIR SYSTEM BASE TYPE

T = TURBO-FLO™

P = PRO-FLO™

B = ADAPTER BLOCK

DIAPHRAGMS

BN = BUNA-N (Red Dot)

FG = SANIFLEX™ (Cream)

PU = POLYURETHANE (Clear)

TF = TEFLON®PTFE (White)

VT = VITON®(Silver or White Dot)

WF = WIL-FLEX™ (Orange)

VALVE BALL

BN = BUNA-N (Red Dot)

FG = SANIFLEX™

PU = POLYURETHANE (Brown)

TF = TEFLON®PTFE (White)

VT = VITON®(Silver or White Dot)

WF = WIL-FLEX™ (Orange)

VALVE SEAT O-RING

BN = BUNA-N (Red Dot)

FG = SANIFLEX™ (Cream)

PU = POLYURETHANE (Brown)

TV = TEFLON®ENCAP. VITON®

WF = WIL-FLEX™ (Orange)

VALVE SEAT

K = PVDF

VT = VITON®

CENTER SECTION

PP = POLYPROPYLENE

AIR VALVE

A = ALUMINUM (available for A1T

only)

P = POLYPROPYLENE

U = UHMW (available for

A1B only)

L = ACETAL (Available for A1B and

A1P only)

NOTE: MOST ELASTOMERIC MATERIALS USE COLORED DOTS FOR IDENTIFICATION.

Buna-N and Viton are registered trademarks of DuPont Dow Elastomers.

Teflon is a registered trademark of DuPont.

WILDEN PUMP & ENGINEERING, LLC 2 WIL-10040-E-02

SECTION 2

THE WILDEN PUMP — HOW IT WORKS

The Wilden diaphragm pump is an air-operated, positive displacement, self-priming pump. These drawings show the flow pattern

through the pump upon its initial stroke. It is assumed the pump has no fluid in it prior to its initial stroke.

FIGURE 1 When the solenoid is ener-

gized, the air valve directs pressure to

the back side of diaphragm A. The

compressed air is applied directly to the

liquid column separated by elastomeric

diaphragms. The diaphragm acts as a

membrane between the compressed air

and the liquid, balancing the load and

removing mechanical stress from the

diaphragm. The compressed air moves

the diaphragm away from the center

section of the pump. The opposite

diaphragm is pulled in by the shaft

connected to the pressurized

diaphragm. Diaphragm B is on its

suction stroke; air behind the diaphragm

has been forced out to the atmosphere

through the exhaust port. The move-

ment of diaphragm B toward the center

section of the pump creates a vacuum

within chamber B. Atmospheric pres-

sure forces fluid into the inlet manifold

forcing the inlet valve ball off of its seat.

Liquid is free to move past the inlet valve

ball and fill the liquid chamber (see

shaded area).

FIGURE 2 When the solenoid valve is

deenergized, the air valve redirects pres-

surized air to the back side of diaphragm

B. The pressurized air forces diaphragm

B away from the center section while

pulling diaphragm A to the center

section. Diaphragm B is now on its

discharge stroke. Diaphragm B forces

the inlet valve ball onto its seat due to

the hydraulic forces developed in the

liquid chamber and manifold of the

pump. These same hydraulic forces lift

the discharge valve ball off of its seat,

while the opposite discharge valve ball is

forced onto its seat, forcing fluid to flow

through the pump discharge. The

movement of diaphragm A toward the

center section of the pump creates a

vacuum within liquid chamber A. Atmos-

pheric pressure forces fluid into the inlet

manifold of the pump. The inlet valve

ball is forced off of its seat allowing the

fluid being pumped to fill the liquid

chamber.

FIGURE 3 Once the solenoid valve is

reenergized, the air is redirected to the

back side of diaphragm A, which starts

diaphragm B on its exhaust stroke. As

the pump reaches its original starting

point, each diaphragm has gone

through one intake and one discharge

stroke. This constitutes one complete

pumping cycle. The pump may take

several cycles to completely prime

depending on the conditions of the

application.

RIGHT STROKE LEFT STROKE RIGHT STROKE

WIL-10040-E-02 3 WILDEN PUMP & ENGINEERING, LLC

SECTION 3

WILDEN MODEL A1 PLASTIC

CAUTIONS – READ FIRST!

TEMPERATURE LIMITS:

Polypropylene 0°C to 79°C 32°F to 175°F

PVDF –12°C to 107°C 10°F to 225°F

Neoprene –17.8°C to 93.3°C 0°F to 200°F

Buna-N –12.2°C to 82.2°C 10°F to 180°F

Viton®–40°C to 176.7°C –40°F to 350°F

Wil-Flex™ –40°C to 107.2°C –40°F to 225°F

Polyurethane 12.2°C to 65.6°C 10°F to 150°F

Saniflex™ –28.9°C to 104.4°C –20°F to 220°F

Teflon®PTFE 4.4°C to 104.4°C 40°F to 220°F

CAUTION: When choosing pump materials, be sure to

check the temperature limits for all wetted components.

Example: Viton®has a maximum limit of 176.7°C (350°F)

but polypropylene has a maximum limit of only 79°C

(175°F).

CAUTION: Maximum temperature limits are based upon

mechanical stress only. Certain chemicals will signifi-

cantly reduce maximum safe operating temperatures.

Consult engineering guide for chemical compatibility and

temperature limits.

CAUTION: Always wear safety glasses when operating

pump. If diaphragm rupture occurs, material being

pumped may be forced out air exhaust.

WARNING: Prevention of static sparking — If static

sparking occurs, fire or explosion could result. Pump,

valves, and containers must be properly grounded when

handling flammable fluids and whenever discharge of

static electricity is a hazard.

CAUTION: Do not exceed 8.6 Bar (125) psig air supply

pressure.

CAUTION: Plastic series pumps are made of virgin plas-

tic and are not UV stabilized. Direct sunlight for

prolonged periods can cause deterioration of plastics.

CAUTION: Before any maintenance or repair is

attempted, the compressed air line to the pump should

be disconnected and all air pressure allowed to bleed

from pump. Disconnect all intake, discharge and air lines.

Drain the pump by turning it upside down and allowing

any fluid to flow into a suitable container.

CAUTION: Blow out air line for 10 to 20 seconds before

attaching to pump to make sure all pipe line debris is

clear. Use an in-line air filter. A 5μ (micron) air filter is

recommended.

NOTE: Tighten clamp bands and other fasteners prior to

installation. Fittings may loosen during transportation.

NOTE: When installing Teflon®diaphragms, it is impor-

tant to tighten outer pistons simultaneously (turning in

opposite directions) to ensure tight fit.

NOTE: Before starting disassembly, mark a line from each

liquid chamber to its corresponding air chamber. This line

will assist in proper alignment during reassembly.

CAUTION: Verify the chemical compatibility of the

process and cleaning fluid to the pump’s component

materials in the Chemical Resistance Guide (see E4).

CAUTION: Only explosion proof (NEMA 7) solenoid

valves should be used in areas where explosion proof

equipment is required.

CAUTION: Do not lubricate lube-free pumps.

NOTE: A1 Plastic Teflon®-fitted pumps come standard

from the factory with expanded Teflon®gaskets. (See

Gasket Kit Installation in Section 8C.)

CAUTION: Do not over-tighten the air inlet reducer

bushing. Too much torque on the reducer bushing may

cause damage. Do not exceed .9 N-m (8 in.-lbs.).

CAUTION: The A1 pump is not submersible.

WILDEN PUMP & ENGINEERING, LLC 4 WIL-10040-E-02

SECTION 4A

DIMENSIONAL DRAWING

DIMENSIONS – A1T - ACCU-FLO™ (PLASTIC)

ITEM METRIC (mm) STANDARD (inch)

A 30 1.16

B 114 4.50

C 196 7.69

D 208 8.19

E 218 8.63

F 118 7.00

G 145 5.66

H 114 4.50

J 84 3.25

K 102 4.00

L 28 1.09

N 84 3.31

P 8 .28

R 213 8.38

S 160 6.31

T 81 3.22

U 46 1.75

SECTION 4B

DIMENSIONAL DRAWING

12.7 mm (.50”)

BSP (FNPT) LIQUID INLET

12.7 mm (.50”)

BSP (FNPT) LIQUID DISCHARGE

12.7 mm (.50”)

BSP (FNPT) LIQUID INLET

6.35 mm

(.25”) BSP

(FNPT)

AIR INLET

12.7 mm (.50”)

BSP (FNPT) LIQUID DISCHARGE

6.35 mm

(.25”)

BSP (FNPT)

AIR INLET

K L

DIMENSIONS – A1B ACCU-FLO™ (PLASTIC)

ITEM METRIC (mm) STANDARD (inch)

A 30 1.16

B 104 4.06

C 124 4.94

D 196 7.69

E 208 8.19

F 218 8.63

G 118 7.00

H 145 5.66

J 114 4.50

K 84 3.25

L 102 4.00

M 28 1.09

P 8 .28

WIL-10040-E-02 5 WILDEN PUMP & ENGINEERING, LLC

SECTION 4C

DIMENSIONAL DRAWING

SECTION 4D

DIMENSIONAL DRAWING

DIMENSIONS – A1P ACCU-FLO (PLASTIC)

ITEM METRIC (mm) STANDARD (inch)

A 30 1.16

B 117 4.59

C 196 7.69

D 244 9.56

E 208 8.19

F 218 8.63

G 51 2.00

H 89 3.50

J 191 7.50

K 117 4.56

L 142 5.56

M 56 2.16

N 231 9.06

P 145 5.66

R 114 4.50

S 84 3.25

T 102 4.00

V 28 1.09

W 8 .28

DIMENSIONS – A1B ACCU-FLO (PLASTIC)

ITEM METRIC (mm) STANDARD (inch)

A 30 1.16

B 117 4.59

C 140 5.50

D 196 7.69

E 208 8.19

F 218 8.63

G 64 2.53

H 118 6.88

J 145 5.66

K 114 4.50

L 884 3.25

M 102 4.00

N 8 .28

R 28 1.09

12.7 mm (.50”)

BSP (FNPT) LIQUID DISCHARGE

12.7 mm (.50”)

BSP (FNPT) LIQUID DISCHARGE

12.7 mm (.50”)

BSP (FNPT) LIQUID INLET

12.7 mm (.50”)

BSP (FNPT) LIQUID INLET

6.35 mm

(.25”)

BSP (FNPT)

AIR INLET

12.7 mm (.50”)

BSP (FNPT) AIR

EXHAUST

M L

S T

6.35 mm

(.25”)

BSP (FNPT)

AIR INLET

WILDEN PUMP & ENGINEERING, LLC 6 WIL-10040-E-02

SECTION 5A

PERFORMANCE CURVES

Height ..................................218 mm (8.63")

Width ...................................208 mm (8.19")

Depth...................................118 mm (7.00")

Ship Weight ..............Polypropylene 4.1 kg (9 lbs.)

PVDF 5.1 kg (11 lbs.)

Air Inlet .................................6.35 mm (1/4")

Inlet ......................................12.7 mm (1/2")

Outlet....................................12.7 mm (1/2")

Suction Lift..........................4.49 m Dry (15')

9.33 m Wet (31')

Displacement per

Stroke ............................ .06 l (.015 gal.)1

Max. Flow Rate ...............33.4 lpm (9.1 gpm)

Max. Size Solids..................1.59 mm (1/16")

1Displacement per stroke was calculated at 4.8 Bar

(70 psig) air inlet pressure against a 2 Bar (30 psig)

head pressure.

Example: To pump 18.9 lpm (5 gpm) against

a discharge head pressure of 2.2 Bar (32

psig) requires 4.1 Bar (60 psig) and 16.2

Nm3/h (9.5 scfm) air consumption. (See dot

on chart.)

Caution: Do not exceed 8.6 Bar (125 psig) air

supply pressure.

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 performance curve.

KEY

.4+ .3 .25

.2 .15 .13

SECTION 5B

PERFORMANCE CURVES

Height ..................................218 mm (8.63")

Width ...................................208 mm (8.19")

Depth...................................118 mm (7.00")

Ship Weight ..............Polypropylene 4.1 kg (9 lbs.)

PVDF 5.1 kg (11 lbs.)

Air Inlet .................................6.35 mm (1/4")

Inlet ......................................12.7 mm (1/2")

Outlet....................................12.7 mm (1/2")

Suction Lift..........................3.46 m Dry (11')

9.33 m Wet (31')

Displacement per

Stroke ............................ .06 l (.014 gal.)1

Max. Flow Rate ...............29.1 lpm (7.7 gpm)

Max. Size Solids..................1.59 mm (1/16")

1Displacement per stroke was calculated at 4.8 Bar

(70 psig) air inlet pressure against a2 Bar (30 psig)

head pressure.

Example: To pump 18.9 lpm (5 gpm) against

a discharge head pressure of 1.7 Bar (25

psig) requires 4.1 Bar (60 psig) and 17 Nm3/h

(10 scfm) air consumption. (See dot on chart.)

Caution: Do not exceed 8.6 Bar (125 psig) air

supply pressure.

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 performance curve.

WIL-10040-E-02 7 WILDEN PUMP & ENGINEERING, LLC

SECTION 5C

PERFORMANCE CURVES

Height ..................................244 mm (9.56")

Width ...................................208 mm (8.19")

Depth...................................231 mm (9.06")

Ship Weight ..............Polypropylene 4.1 kg (9 lbs.)

PVDF 5.1 kg (11 lbs.)

Air Inlet .................................6.35 mm (1/4")

Inlet ......................................12.7 mm (1/2")

Outlet.....................................12.7mm (1/2")

Suction Lift..........................6.05 m Dry (20')

8.99 m Wet (29')

Displacement per

Stroke ............................ .12 l (.032 gal.)1

Max. Flow Rate .............39.0 lpm (10.3 gpm)

Max. Size Solids..................1.59 mm (1/16")

1Displacement per stroke was calculated at 4.8 Bar

(70 psig) air inlet pressure against a 2 Bar (30 psig)

head pressure.

Example: To pump 18.9 lpm (5 gpm) against

a discharge head pressure of 2.7 Bar (39

psig) requires 4.1 Bar (60 psig) and 11.1

Nm3/h (6.5 scfm) air consumption. (See dot

on chart.)

Caution: Do not exceed 8.6 Bar (125 psig) air

supply pressure.

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 performance curve.

SECTION 5D

PERFORMANCE CURVES

Height ..................................244 mm (9.56")

Width ...................................208 mm (8.19")

Depth...................................231 mm (9.06")

Ship Weight ..............Polypropylene 4.1 kg (9 lbs.)

PVDF 5.1 kg (11 lbs.)

Air Inlet .................................6.35 mm (1/4")

Inlet........................................12.7 cm (1/2")

Outlet .....................................12.7 cm (1/2")

Suction Lift..........................5.18 m Dry (17')

8.99 m Wet (29')

Displacement per

Stroke ........................... ..11 l (.028 gal.)1

Max. Flow Rate .............39.0 lpm (10.3 gpm)

Max. Size Solids..................1.59 mm (1/16")

1Displacement per stroke was calculated at 4.8 Bar

(70 psig) air inlet pressure against a 2 Bar (30 psig)

head pressure.

Example: To pump 18.9 lpm (5 gpm) against

a discharge head pressure of 2.3 Bar (34

psig) requires 4 Bar (60 psig) and 11.1 Nm3/h

(6.5 scfm) air consumption. (See dot on

chart.)

Caution: Do not exceed 8.6 Bar (125 psig) air

supply pressure.

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 performance curve.

WILDEN PUMP & ENGINEERING, LLC 8 WIL-10040-E-02

SECTION 6A

70/30 OPERATING CONDITION

These curves

demonstrate the

flow created when

the stroke rate is

modified under

static air and fluid

pressure condition.

This curve can be

applied to different

pressure conditions

to estimate the

change in flow due

to stroke rate.

These curves

demonstrate the

flow created when

the stroke rate is

modified under

static air and fluid

pressure condition.

This curve can be

applied to different

pressure conditions

to estimate the

change in flow due

to stroke rate.

SECTION 6B

70/30 OPERATING CONDITION

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