VERDER VERDERAIR VA-E50 Manuale di istruzioni

Operation

VERDERAIR VA-E50

Electric-Operated Diaphragm

Pump

859.0761

Rev.A

2–Inch pumps with electric drive for ﬂuid transfer applications.

Not approved for use in explosive atmospheres or hazardous locations unless otherwise stated. See

Approvals page for more information. For professional use only.

Important Safety Instructions

Read all warnings and instructions in this manual and in your

Repair/Parts manual.

Save these instructions.

Maximum Working Pressure: 7 bar (0.7

MPa, 100 psi)

See page 8 for approvals.

Contents

Related Manuals ................................................ 2

Warnings ........................................................... 3

Pump Matrix....................................................... 6

Installation.......................................................... 9

General In ormation ..................................... 9

Tighten Fasteners........................................ 9

Tips to Reduce Cavitation............................. 9

Mount the Pump .......................................... 12

Ground The System..................................... 13

Air Line........................................................ 14

Fluid Supply Line ......................................... 14

Fluid Outlet Line........................................... 14

Electrical Connections.................................. 15

Leak Sensor Wiring...................................... 17

Compressor Wiring ...................................... 18

Operation........................................................... 19

Tighten Fasteners........................................ 19

Flush the Pump Be ore First Use .................. 19

Trans er Mode Vs. Low Pulsation

Mode ............................................. 19

Start and Adjust the Pump............................19

Pressure Relie Procedure............................ 20

Pump Shutdown .......................................... 20

Maintenance ...................................................... 21

Maintenance Schedule................................. 21

Lubrication................................................... 21

Tighten Threaded Connections..................... 21

Flushing and Storage ................................... 21

Torque Instructions............................................. 22

Torque sequence......................................... 22

Per ormance Charts............................................ 24

Dimensions........................................................ 27

Technical Data ................................................... 38

Customer Services/Guarantee............................. 43

Related Manuals

Manual Number Title

859.0765 VERDERAIR VA-E50 Electric-Operated Diaphragm Pump, Repair/Parts

28 9.0761

Warnings

The ollowing warnings are or the setup, use, grounding, maintenance, and repair o this equipment. The

exclamation point symbol alerts you to a general warning and the hazard symbols re er to procedure-speciﬁc

risks. When these symbols appear in the body o this manual or on warning labels, re er back to these

Warnings. Product-speciﬁc hazard symbols and warnings not covered in this section may appear throughout

the body o this manual where applicable.

WARNING

ELECTRIC SHOCK HAZARD

This equipment must be grounded. Improper grounding, setup, or usage o the system can

cause electric shock.

• Turn o and remove power be ore disconnecting any cables and be ore servicing or installing

equipment. For cart-mounted models, unplug the power cord. For all other units, disconnect

power at the main switch.

• Connect only to grounded power source.

• All electrical wiring must be done by a qualiﬁed electrician and comply with all local codes

and regulations.

• Wait ﬁve minutes or capacitor discharge be ore opening equipment.

FIRE A D EXPLOSIO HAZARD

Flammable umes, such as solvent and paint umes, in

work area

canigniteorexplode.Paint

or solvent ﬂowing through the equipment can cause static sparking. To help prevent ﬁre and

explosion:

• Use equipment only in well ventilated area.

• Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and

plastic drop cloths (potential static arc).

• Ground all equipment in the work area. See

Grounding

instructions.

• Keep work area ree o debris, including solvent, rags and gasoline.

• Do not plug or unplug power cords, or turn power or light switches on or o when ﬂammable

umes are present.

• Use only grounded hoses.

•

Stop operation immediately

i static sparking occurs or you eel a shock

Do not use

equipment until you identi y and correct the problem.

• Keep a working ﬁre extinguisher in the work area.

Static charge may build up on plastic parts during cleaning and could discharge and ignite

ﬂammable vapors. To help prevent ﬁre and explosion:

• Clean plastic parts only in well ventilated area.

• Donotcleanwithadrycloth.

• Do not operate electrostatic guns in equipment work area.

8 9.0761 3

Warnings

WARNING

PRESSURIZED EQUIPME T HAZARD

Fluid rom the equipment, leaks, or ruptured components can splash in the eyes or on skin

and cause serious injury.

• Follow the

Pressure Relief Procedure

when you stop spraying/dispensing and be ore

cleaning, checking, or servicing equipment.

• Tighten all ﬂuid connections be ore operating the equipment.

• Check hoses, tubes, and couplings daily. Replace worn or damaged parts immediately.

EQUIPME T MISUSE HAZARD

Misuse can cause death or serious injury.

• Do not operate the unit when atigued or under the inﬂuence o drugs or alcohol.

• Do not exceed the maximum working pressure or temperature rating o the lowest rated

system component. See

Technical Data

in all equipment manuals.

• Use ﬂuids and solvents that are compatible with equipment wetted parts. See

Technical Data

in all equipment manuals. Read ﬂuid and solvent manu acturer’s warnings. For complete

in ormation about your material, request Sa ety Data Sheet (SDS) rom distributor or retailer.

• Turn o all equipment and ollow the

Pressure Relief Procedure

when equipment is not in use.

• Check equipment daily. Repair or replace worn or damaged parts immediately with genuine

manu acturer’s replacement parts only.

• Do not alter or modi y equipment. Alterations or modiﬁcations may void agency approvals

and create sa ety hazards.

• Make sure all equipment is rated and approved or the environment in which you are using it.

• Use equipment only or its intended purpose. Call your distributor or in ormation.

• Route hoses and cables away rom tra ﬁc areas, sharp edges, moving parts, and hot sur aces.

• Do not kink or over bend hoses or use hoses to pull equipment.

• Keep children and animals away rom work area.

• Comply with all applicable sa ety regulations.

PRESSURIZED ALUMI UM PARTS HAZARD

Use o ﬂuids that are incompatible with aluminum in pressurized equipment can cause serious

chemical reaction and equipment rupture. Failure to ollow this warning can result in death,

serious injury, or property damage.

• Do not use 1,1,1-trichloroethane, methylene chloride, other halogenated hydrocarbon

solvents or ﬂuids containing such solvents.

• Do not use chlorine bleach.

• Many other ﬂuids may contain chemicals that can react with aluminum. Contact your material

supplier or compatibility.

48 9.0761

Warnings

WARNING

THERMAL EXPA SIO HAZARD

Fluidssubjectedtoheatinconﬁnedspaces,includinghoses,cancreatearapidriseinpressure

due to the thermal expansion. Over-pressurization can result in equipment rupture and serious

injury.

• Openavalvetorelievetheﬂuidexpansionduringheating.

• Replace hoses proactively at regular intervals based on your operating conditions.

PLASTIC PARTS CLEA I G SOLVE T HAZARD

Many solvents can degrade plastic parts and cause them to ail, which could cause serious

injury or property damage.

• Use only compatible water-based solvents to clean plastic structural or pressure-containing

parts.

•See

Technical Data

in this and all other equipment instruction manuals. Read ﬂuid and

solvent manu acturer’s Sa ety Data Sheet (SDS) and recommendations.

TOXIC FLUID OR FUMES HAZARD

Toxic ﬂuids or umes can cause serious injury or death i splashed in the eyes or on skin,

inhaled, or swallowed.

• Read Sa ety Data Sheet (SDS) to know the speciﬁc hazards o the ﬂuids you are using.

• Store hazardous ﬂuid in approved containers, and dispose o it according to applicable

guidelines.

BUR HAZARD

Equipment sur aces and ﬂuid that’s heated can become very hot during operation. To avoid

severe burns:

• Do not touch hot ﬂuid or equipment.

PERSO AL PROTECTIVE EQUIPME T

Wear appropriate protective equipment when in the work area to help prevent serious injury,

including eye injury, hearing loss, inhalation o toxic umes, and burns. This protective

equipment includes but is not limited to:

• Protective eyewear, and hearing protection.

• Respirators, protective clothing, and gloves as recommended by the ﬂuid and solvent

manu acturer.

8 9.0761

Pump Matrix

Check the identiﬁcation plate (ID) or the

Conﬁguration Number o your pump. Use the

ollowing matrix to deﬁne the components o your

pump.

Sample Conﬁguration umber:

VA-E50 AA HY AC HY TB AC5K5

VA-E50 AAHY

AC HY TB AC5K5

Pump Model Fluid Section

Material Drive Section

Material Check

Valve Seats Check Valve

Balls Diaphragm Connections Options

OTE:

Some combinations are not possible. Please check with your local supplier or the pump conﬁgurator

on www.verderair.com.

Pump Fluid Section Material Drive Section Material Check Valve Seats

VA-E50 A

Aluminum

Geolast

Conductive

Polypropylene

Stainless Steel

TPE

Cast Iron

PVDF

Polypropylene

Santoprene

Stainless Steel

68 9.0761

Pump Matrix

Balls Diaphragm Connections Options

Acetal

Geolast

FC-H

Center Flange,

Horizontal

Outlet

A15K5

Standard AC Induction Motor

(High Speed Gear Ratio) with

1 0V Air Compressor

Geolast

TPE

FC-V

Center Flange,

Vertical Outlet

A25K5

Standard AC Induction Motor

(High Speed Gear Ratio) with

0V Air Compressor

440C Stainless

Steel

Santoprene

End Flange

DIN/ANSI

AC5K5

Standard AC Induction Motor

(High Speed Gear Ratio)

TPE

PTFE /

Polychloroprene

–Piece

Threaded BSP

AF5K5

Flameproof AC Induction Motor

(High Speed Gear Ratio)

Polychloro-

prene

Weighted

Threaded NPT

AX5K5

ATEX AC Induction Motor (High

Speed Gear Ratio)

Santoprene

B14K0

Standard AC Induction Motor

(Medium Speed Gear Ratio) with

1 0V Compressor

316 Stainless

Steel

B24K0

Standard AC Induction Motor

(Medium Speed Gear Ratio) with

0V Compressor

PTFE

BC4K0

Standard AC Induction Motor

(Medium Speed Gear Ratio)

BF4K0

Flameproof AC Induction Motor

(Medium Speed Gear Ratio)

BX4K0

ATEX AC Induction Motor

(Medium Speed Gear Ratio)

C12K2

Standard AC Induction Motor (Low

Speed Gear Ratio) with 1 0V

Compressor

C22K2

Standard AC Induction Motor (Low

Speed Gear Ratio) with 0V

Compressor

CC2K2

Standard AC Induction Motor (Low

Speed Gear Ratio)

CF2K2

Flameproof AC Induction Motor

(Low Speed Gear Ratio)

CX2K2

ATEX AC Induction Motor (Low

Speed Gear Ratio)

No Motor, No Gearbox

8 9.0761 7

Pump Matrix

Approvals

✦ Aluminum, cast iron, conductive

polypropylene, and stainless steel pumps with

motor code Xarecertiﬁedto: II2GExhdIIBT3Gb

✚ Aluminum, cast iron, conductive

polypropylene, and stainless steel pumps with

motor code WG are certiﬁed to: II 2 G Ex h IIB T3 Gb

★ Motors coded Fare certiﬁed to: Class I, Div 1, Group D, T3B

Class II, Div 1, Group F & G, T3B

All Models (except gearbox and compressor

code 1, or motor code F) are certiﬁed to:

88 9.0761

Installation

Installation o this equipment involves potentially

hazardous procedures. Only trained and qualiﬁed

personnel who have read and who understand

the in ormation in this manual should install this

equipment.

• All electrical wiring must be done by a qualiﬁed

electrician and comply with all local codes and

regulations

General Information

The Typical Installation shown is only a guide

or selecting and installing system components.

Contact your Verder representative or assistance in

planning a system to suit your needs. Always use

Genuine Verder Parts and accessories. Be sure all

accessories are adequately sized and pressure rated

to meet the system’s requirements.

Re erence letters in the text, or example (A), re er to

the callouts in the ﬁgures.

Tighten Fasteners

Be ore mounting and using the pump or the ﬁrst time,

check and retorque all external asteners. Follow

Torque Instructions, page 22, or see the torque

tag on your pump. A ter the ﬁrst day o operation,

retorque the asteners.

Tips to Reduce Cavitation

Cavitation in a double diaphragm pump is the

ormation and collapse o bubbles in the pumped

liquid. Frequent or excessive cavitation can cause

serious damage, including pitting and early wear o

ﬂuid chambers, balls, and seats. It may result in

reduced e ﬁciency o the pump. Cavitation damage

and reduced e ﬁciency both result in increased

operating costs.

Cavitation depends on the vapor pressure o the

pumped liquid, the system suction pressure, and the

velocity pressure. It can be reduced by changing any

o these actors.

1. Reduce vapor pressure: Decrease the

temperature o the pumped liquid.

2. Increase suction pressure:

a. Lower the installed position o the pump

relative to the liquid level in the supply.

b. Reduce the riction length o the suction

piping. Remember that ﬁttings add riction

length to the piping. Reduce the number o

ﬁttings to reduce the riction length.

c. Increase the size o the suction piping.

OTE:

Be sure the inlet ﬂuid pressure does not

exceed 25 % o the outlet working pressure.

3. Reduce liquid velocity: Slow the cyclic rate o

the pump.

Pumped liquid viscosity is also very important but

normally is controlled by actors that are process

dependent and cannot be changed to reduce

cavitation. Viscous liquids are more di ﬁcult to pump

and more prone to cavitation.

Verder recommends taking all the above actors

into account in system design. To maintain pump

e ﬁciency, supply only enough power to the pump to

achieve the required ﬂow.

Verder distributors can supply site speciﬁc

suggestions to improve pump per ormance and

reduce operating costs.

8 9.0761 9

Installation

Figure 1 Typical Installation or pumps without a

compressor

System Components Accessories/Components ot Supplied

B Fluid inlet port A* Power cord

C Fluid outlet port F* Grounded, ﬂexible air supply line

D Mounting eet G Bleed-type master air valve

E Air inlet port H Air ﬁlter/regulator assembly

P Pump Ground J Master air valve ( or accessories)

R Center section regulator K* Grounded, ﬂexible ﬂuid supply line

L Fluid drain valve (may be required or your

pump installation)

MFluid shuto valve

N* Grounded, ﬂexible ﬂuid outlet line

* Required. Supplied by customer.

10 8 9.0761

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