VERDER VERDERAIR CONT-EX VA-C10 Manual de usuario

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VA-C_man_Rev01-2016_VI_(uk)

Solid machined air operated diaphragm pumps

VERDERAIR CONT-EX

VA-C_man rev01-2016_VI_(uk) | 1.02.2017 2

Pump Matrix

Atex

Warnings

Installation

Operation

Maintenance / repair

Trouble shooting

Parts and kits

Torque Values

Exploded views

Dimensions and mounting

Performance charts

Technical data

Customer services & guarantee

TABLE OF CONTENTS

VA-C_man rev01-2016_VI_(uk) | 1.02.2017 3

PUMP MATRIX

Before putting your pump in operation,

check the identication plate (ID) on the

pump. The ID is mentioning the year of

construction, the serial number and the

construction code of the pump. Use the

matrix below to dene the components of

your pump. Make sure the wetted parts of

the pump are compatible to the pumped

liquid.

NOTE:

In case of doubt, please contact your

local supplier. (www.verderair.com)

To build a pump code, please use the

below coding system or use the pump

congurator on www.verderair.com.

PUMP CODING VA-C

Pump size Housing and center section valve material Diaphragm material

10 : 3/8" GG : Conductive Polyethylene TF : PTFE ball valve TO : PTFE overmolded

20 : 1/2" EP : EPDM ball valve EO : EPDM overmolded

50 : 3/4" CV : PE cylinder valve

130 : 1 1/4"

EXAMPLE : VA-C20GG TF TO

ID-Plate of Pump

VA-C_man rev01-2016_VI_(uk) | 1.02.2017 4

ATEX

All pumps of the CONT-EX range are

manufactured from Conductive Polyethylene

and are ATEX certied II 2GD c T70°.

The pumps have to be grounded following

the instructions on page 8.

When using conductive diaphragms at the

liquid side, no restrictions are applicable.

When using non - conductive diaphragms,

the following protective measures have to be

taken into account:

Pumped liquid must be conductive or

soluble in water

Dry running have to be prevented by

means of monitoring systems

which are placed in the pump system

WARNINGS

The following warnings are for the setup,

use, grounding, maintenance, and repair

of this equipment. The exclamation point

symbol alerts you to a general warning

and the hazard symbol refers to procedure

specic risk. When these symbols appear

in the body of this manual, refer back to

these warnings. Additional, product-specic

warnings may be found throughout

the body of this manual where applicable.

FIRE AND EXPLOSION HAZARD

Flammable fumes, such as solvent and paint fumes, in work area can ignite or

explode. To help prevent re 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).

Keep work area free of debris, including solvent, rags and gasoline.

Do not plug or unplug power cords, or turn power or light switches on or off when

ammable fumes are present.

Ground all equipment in the work area. See grounding instructions.

Use only grounded hoses.

If there is static sparking or you feel a shock, stop operation immediately.

Do not use equipment until you identify and correct the problem.

Keep a working re extinguisher in the work area.

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

and ignite ammable materials and gases. To help prevent re and explosion:

Clean plastic parts in a well ventilated area.

Do not clean with a dry cloth.

WARNING

VA-C_man rev01-2016_VI_(uk) | 1.02.2017 5

EQUIPMENT MISUSE HAZARD

Misuse can cause death or serious injury.

Do not operate the unit when fatigued or under the inuence of drugs or alcohol.

Do not exceed the maximum working pressure or temperature rating of the

lowest rated system component. See Technical Data in all equipment manuals.

Use uids and solvents that are compatible with equipment wetted parts. See

Technical Data in all equipment manuals. Read uid and solvent manufacturer’s

warnings. For complete information about your material, request MSDS from

distributor or retailer.

Do not leave the work area while equipment is energized or under pressure.

Turn off all equipment and follow the Pressure Relief Procedure in this manual

when equipment is not in use.

Check equipment daily. Repair or replace worn or damaged parts immediately

with genuine manufacturer’s replacement parts only.

Do not alter or modify equipment.

Use equipment only for its intended purpose. Call your distributor for information.

Route hoses and cables away from trafc areas, sharp edges, moving parts,

and hot surfaces.

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

Keep children and animals away from work area.

Comply with all applicable safety regulations.

PRESSURIZED EQUIPMENT HAZARD

Fluid from dispense valve, leaks, or ruptured components can splash

in the eyes or on skin and cause serious injury.

Follow Pressure Relief Procedure in this manual, when you stop the pump

and before cleaning, checking, or servicing equipment.

Tighten all uid connections before operating the equipment.

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

immediately.

THERMAL EXPANSION HAZARD

Fluids subjected to heat in conned spaces, including hoses, can create a rapid

rise in pressure due to the thermal expansion. Over-pressurization can result

in equipment rupture and serious injury.

Open a valve to relieve the uid expansion during heating.

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

WARNING

MPa/bar/PSI

VA-C_man rev01-2016_VI_(uk) | 1.02.2017 6

WARNING

PLASTIC PARTS CLEANING SOLVENT HAZARD

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

containing parts. Many solvents can degrade plastic parts and cause them to fail,

which could cause serious injury or property damage. See Technical Data in this

and all other equipment instruction manuals. Read uid and solvent manufacturer’s

warnings.

TOXIC FLUID OR FUMES HAZARD

Toxic uids or fumes can cause serious injury or death if splashed

in the eyes or on skin, inhaled, or swallowed.

Read MSDS’s to know the specic hazards of the uids you are using.

Route exhaust away from work area. If diaphragm ruptures,

uid may be exhausted with air.

Store hazardous uid in approved containers, and dispose of it according

to applicable guidelines.

Always wear impervious gloves when cleaning equipment.

BURN HAZARD

Equipment surfaces and uid that’s heated can become very hot during operation.

To avoid severe burns:

Do not touch hot uid or equipment.

Wait until equipment/uid has cooled completely.

PERSONAL PROTECTIVE EQUIPMENT

You must wear appropriate protective equipment when operating, servicing,

or when in the operating area of the equipment to help protect you from serious

injury, including eye injury, inhalation of toxic fumes, burns, and hearing loss.

This equipment includes but is not limited to:

Protective eyewear, gloves, and hearing protection

Protective clothing

VA-C_man rev01-2016_VI_(uk) | 1.02.2017 7

INSTALLATION

Tighten Fasteners Before Setup

Before using the pump for the rst time,

check and retorque the housing bolts (23).

Also the valve stops of the discharge valves

(09) have to be checked. Also after the rst

day of operation, after periods of important

temperature

uctuations, after transport, after

dismantling of the pump and after periods

when the pump hasn’t been working the

stops, plugs and housing bolts have to be

checked. For the housing bolts please use

the torque values as mentioned on page 22.

Figure 1 showing the installation of the pump

AAir Control pro unit consists of:

- On/of valve

- Pressure regulator

- Throttle valve

- Soft start valve

BIsolating valve

CDischarge gauge

DSuction gauge

EFlexible connection

Recommended installation drawing

PLEASE CHECK THE ADDITIONAL DELIVERED

EXPLODED VIEW FOR ALL POSITION NUMBERS

VA-C_man rev01-2016_VI_(uk) | 1.02.2017 8

Mounting

The pump exhaust air may contain

contaminants. Ventilate to a remote area.

See Air Exhaust Ventilation on page 9.

Never move or lift a pump under

pressure. If dropped, the uid section may

rupture. Always follow the Pressure Relief

Procedure on page 10 before moving or

lifting the pump.

1. Be sure the mounting surface can support

the weight of the pump, hoses and

accessories, as well as the stress caused

during operation.

2. For ease of operation and service, mount

the pump so air inlet, uid inlet and uid

outlet ports are easy accessible.

Grounding

The equipment must be grounded.

Grounding reduces the risk of static and

electric shock by providing an escape wire

for the electrical current due to static build

up or in event of a short circuit. In the site

housing a grounding connection is included.

Check your system electrical continuity

after the initial installation. Set up a regular

schedule for checking continuity to be sure

proper grounding is maintained.

Follow your local re codes. When pumping

ammable uids, always ground the entire

uid system as described.

Air Line

See recommended installation drawing

on page 7.

1. Install an air regulator and gauge. Set

pressure of the driving air should be

limited to the pressure required to run

the pump on the desired working point.

Setting the pressure too high will cause

higher wear of the pump and will increase

the compressed air consumption. The

uid stall pressure will be the same as the

setting of the air regulator.

2. If the air regulator do not have a bleed off

function to relieve trapped air, or the air

regulator is not placed close to the pump,

locate a bleed-type master air-valve close

to the pump. Be sure the valve is easily

accessible from the pump.

MPa/bar/PSI

Trapped air can cause the pump to cycle

unexpectedly, which could result in serious

injury from splashing.

3. The master air valve will be used to

regulate the ow rate of the air to the

pump. By using a throttle valve, it is

possible to regulate the pump speed even

at the lower end of the curves.

4. Install a grounded, exible air hose

between the accessories and the pump

air inlet. The inner diameter of the hose

have to be the same diameter of the air

connection of the pump or bigger.

VA-C_man rev01-2016_VI_(uk) | 1.02.2017 9

Air Exhaust Ventilation

Do not restrict the air exhaust port.

Excessive exhaust restriction can cause

erratic pump operation. At a diaphragm

rupture, it is possible the pumped liquid will

escape through the mufer. To prevent this

the air exhaust need to be remote to a safe

environment.

Fluid suction line

1. A shut of valve should be installed just

before the pump to isolate the pump

from the system for maintenance and

installation.

2. Always use a exible connection to avoid

vibrations being brought into the piping

system.

3. Use a suction line which can stand

vacuum. By the pumping action, vacuum

will be created at the suction side of the

pump.

4. The inner diameter of the hose should be

equal to the connection diameter of the

pump.

5. If the inlet pressure to the pump is more

than 25% of the outlet working pressure,

the ball check valves will not close fast

enough, resulting in inefcient pump

operation and is a possible cause of noise.

6. Inlet pressure greater than 1 bar (15

PSI), diaphragm life will be shortened.

Fluid outlet line

1. A shut of valve should be installed just

after the pump to isolate the pump

from the system for maintenance and

installation. A drain valve should be

installed to relief the pressure of the

pump before starting maintenance work

at the pump.

2. Always use a exible connection to avoid

vibrations being brought into the piping

system.

Fluid inlet and outlet ports

VA-C series of pump are having the suction

and discharge connections integrated in the

center block. Suction connection is horizontal

and discharge vertical. Pay attention to this

conguration as this is only valid for correct

pump function.

Installation remarks

1. VA-C pumps must be installed load free

to avoid possible damage of pumps

and/or installation.

2. VA-C pumps will be delivered with blind

plugs to prevent dust or other materials

to enter the pump. Those plugs have to

be removed before installing the pump!

3. As UV – radiation can damage

Polyethyene. This must taken in account

by installing VA-C pumps are made out of

Conductive PE.

4. The air-valves used in VA-C pumps are

manufactured with tight tolerances.

They should be used with clean, dry and

oil-free compressed air. If the quality of

the compressed air at the place where

the pump is installed is not optimal, it is

possible to install a dryer and/or a water

separator. Please contact your distributor

for more detailed information.

Figure 2

Discharge

Suction

VA-C_man rev01-2016_VI_(uk) | 1.02.2017 10

5. VA-C pumps are dry self-priming. So they

don’t need to be lled before rst use.

The gures of the possible suction heights

can be found in the technical information.

(see page 21).

6. VA-C pumps will building up pressure at

the liquid side up to the pressure set on

the compressed air-inlet of the pump.

If this pressure is higher than the rated

pressure of the discharge line, a pressure

relief valve or another pressure safety

equipment should be installed at the

discharge side of the pump.

7. VA-C pumps can stall against a closed

discharge line without damage. The pump

will stop working when the pressure at

the liquid side of the diaphragms is equal

(or higher) then the compressed air

pressure at the air-side of the diaphragm.

As soon the pressure at the liquid side will

drop below the compressed air pressure,

the pump will restart automatically.

Due to internal losses, occasionally the pump

can make a stroke during stalling.

OPERATION

Pressure relief procedure

MPa/bar/PSI

Trapped air can cause the pump to cycle

unexpectedly, which could result in serious

injury from splashing.

1. Shut off the air supply to the pump.

2. Open the dispensing valve, if used.

3. Open the uid drain valve to relieve uid

pressure. Have a container ready to catch

the drainage.

Flushpumpbeforerstuse

The pump was tested before leaving the

factory. Residue of the testing water can be

left in the pump. To avoid contamination,

ush the pump before rst use.

Starting and adjusting the pump

1. Be sure the pump is properly grounded.

See page 8 for proper grounding.

2. Check ttings to be sure they are tight.

Tighten uid inlet and outlet ttings

securely.

3. Place the suction tube (if used) in uid

to be pumped.

NOTE: If uid inlet pressure to the pump is

more than 25% of outlet working pressure,

the ball check valves will not close fast

enough, resulting in inefcient pump

operation.

4. Place the end of the uid hose into an

appropriate container.

5. Close the uid drain valve.

6. Back out the air regulator knob, and open

all bleed-type master air valves.

8. Slowly increase air pressure with the air

regulator until the pump starts to cycle.

Allow the pump to cycle slowly until all air

is pushed out of the lines and the pump

is primed. Trapped air can cause the

pump to cycle unexpectedly, which could

result in serious injury from splashing.

9. If you are ushing, run the pump long

enough to thoroughly clean the pump

and hoses.

10. Close the bleed-type master air valve.

Pump shutdown

MPa/bar/PSI

At the end of the work shift and before you

check, adjust, clean or repair the system,

follow Pressure Relief Procedure, in the

left column here.

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