SPX FLOW APV DA4 Manuale utente

APV DA4

DOUBLE SEAT MIX PROOF VALVE

FORM NO.: H337927 REVISION: UK-1 READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT.

INSTRUCTION MANUAL

EU Declaration of Conformity

for Valves and Valve Manifolds

SPX Flow Technology Germany GmbH

Gottlieb-Daimler-Str. 13, D-59439 Holzwickede

herewith declares that the

APV double seal and double seat valves of the series

SD4, SDT4, SDU4, SDMS4, SDMSU4, SDTMS4, SWcip4, DSV,

DA4, D4 SL, D4, DA3, DA3SLD, DE3, DEU3, DET3, DKR2, DKRT2, DKRH2

in the nominal diameters DN 25 - 150, ISO 1“ – 6“ and 1 Sh5 - 6 Sh5

APV butterfly valves of the series SV1 and SVS1F, SVL and SVSL

in the nominal diameters DN 25 - 100, DN 125 - 250 and ISO 1“ – 4“

APV ball valves of the series KHI, KHV

in the nominal diameters DN 15 - 100

APV single seat, diaphragm and spring loaded valves of the series

S2, SW4, SWhp4, SW4DPF, SWmini4, SWT4, SWS4, MF4, MS4, MSP4, AP/T1, CPV,

RG4, RG4DPF, RGMS4, RGE4, RGE4DPF, RGEMS4, PR2, PRD2, SI2, UF/R3, VRA/H

in the nominal diameters DN 10 - 150, ISO 1/2“ – 4“ and 1 Sh5 - 6 Sh5

and the valve manifolds installed thereof

meet the requirements of the Directives 2006/42/EC (superseding 89/392/EEC

and 98/37/EC) and ProdSG (superseding GPSG - 9.GPSGV).

For official inspections, SPX FLOW presents

a technical documentation according to Appendix VII of the Machinery Directive,

this documentation consisting of documents of the development and construction,

description of measures taken to meet the conformity and to correspond with

the basic requirements on safety and health, incl. an analysis of the risks,

as well as an operating manual with safety instructions.

The conformity of the valves and valve manifolds is guaranteed.

Authorised person for the documentation:

Frank Baumbach

SPX Flow Technology Germany GmbH

Gottlieb-Daimler-Str. 13, D-59439 Holzwickede, Germany

May 2018

Frank Baumbach

Regional Engineering Manager, F&B Components

APV_DA4_UK-1_102018.indd

Double Seat Mix Proof Valve

APV DELTA DA4

Instruction Manual: UK - rev. 1

APV

Content Page

1. General Terms 6

2. Safety 6

2.1 Symbols

2.2 Safety Instructions

3. Intended Use 7

4. Mode of Operation 8

4.1. General terms

4.2. Valve in "closed" position

4.3. Valve in "open" position

5. Control Units / Valve Position Indication 10

5.1. Control unit and adapter

5.2. Valve position indication

6. Cleaning 11

6.1. Flow areas

6.2. Seal surfaces and seat area

6.3. Leakage chamber

6.4. Cleaning recommendation

6.5. Flushing quantity

6.6. Cleaning of upper area

6.7. Cleaning of lower area

7. Installation and Commissioning 13

7.1. Welding Instructions

8. Dimensions / Weights 14

9. Technical Data 15

9.1. General data

9.2. Compressed air quality

9.3. Kvs values

9.4. Air consumption / Switching times

9.5. Valve stroke / Opening cross section

10. Maintenance 18

11. Service Instructions 19

11.1. Removal from the line system

11.2. Removal of product-wetted parts

11.3. Installation of product-wetted seals and assembly of the valve

11.4. Installation of the valve insert

12. Maintenance of Actuator 23

12.1 Removing the actuator screws

12.2 Installing the seals and assembling the actuator

13. Assembly Instructions and Tools for Seals 24

13.1. Lower shaft seal

13.2. PTFE seal

13.3. Seat seal

13.4 Middle Seal

14. Trouble Shooting 26

15. Spare Parts Lists 26

DA4 Inch and DIN designs RN 502.047.01

APV_DA4_UK-1_102018.indd

Double Seat Mix Proof Valve

APV DELTA DA4

Instruction Manual: UK - rev. 1

APV

1. General Terms

This instruction manual should be read carefully by the competent

operating and maintenance personnel.

We point out that we will not accept any liability for damage or

malfunctions resulting from the non-compliance with this instruction

manual.

Descriptions and data given herein are subject to technical changes.

2. Safety

2.1 Symbols

Caution!

The technical safety symbol draws your attention to important

directions for operating safety. You will nd it wherever the activities

described are bearing health hazards and risks for persons and / or

material assets.

Important Note!

Critical technical information

2.2 Safety Instructions

Opening of the actuators and upper shafts is strictly

forbidden. Danger to health and life!

Actuators and upper shafts which are no longer used and/or are

defective must be disposed in professional manner.

Defective actuators and upper shafts must be returned

to your SPX FLOW company

for their professional disposal and free of charge for you.

Please address to your local SPX FLOW company.

- Never touch the valve or pipelines during hot liquid or sterilisation

processes!

- Disconnect electric and pneumatic connections, e.g. before

maintenance.

- Before any maintenance work, depressurize the line and cleaning

system and discharge the lines if possible.

APV_DA4_UK-1_102018.indd

Double Seat Mix Proof Valve

APV DELTA DA4

Instruction Manual: UK - rev. 1

APV

2. Safety

- Observe Service Instructions to ensure safe maintenance of the

valve.

- Connections which are not used must be sealed by a plug!

- The safe discharge of the cleaning liquids must be ensured.

- The valves must be assembled, disassembled and reassembled

only by persons who have been trained in the valves or by SPX

FLOW service team members. If necessary, contact your local SPX

FLOW representative.

3. Intended Use

The intended use as eld of application of the double seat mix proof

valve is the safe shut-off of pipeline sections and the separation of

incompatible liquids in the food and beverage industries as well as

in pharmaceutical and chemical applications.

Caution! The standard DA4 valve must not be used in explosive

atmospheres.

Caution! Arbitrary, structural changes at the valves may affect

safety as well as the intended functionality of the valves and are not

permitted.

Authorizations and External Approvals

To view the certications for this and other innovative SPX FLOW

products, visit

https://www.spxow.com/en/apv/about-us/certications/

APV_DA4_UK-1_102018.indd

Double Seat Mix Proof Valve

APV DELTA DA4

Instruction Manual: UK - rev. 1

APV

4. Mode of Operation

4.1. General terms

Due to its construction and mode of operation as well as to the use

of high quality stainless steel and adequate seal materials, the DA4

double seat mix proof valve is suited for applications in the food

and beverage industries as well as in pharmaceutical and chemical

applications.

- The DA4 valve separates two line passages by two balanced and

independently operating valve shafts with an intervening leakage

chamber.

- The valve opens from the top to the bottom in a low-leakage design.

- Leakages are discharged via the drain pipe (E) in depressurized

state.

- The pneumatic actuator opens the valve via the air connection (1).

The spring force resets the valve into the “closed” safe position.

- The standard DA4 double seat mix proof valve is equipped with a

CU43 control unit.

- Cleaning of the seat and shaft seal areas is controlled via the air

connections.

2 = to lift upper shaft

3 = to lift lower shaft

- The spray connection (C) cleans the leakage chamber.

- As an option, the closed and open positions of the DA4 can be

detected via proximity switches.

actuator

CU4

control unit

adapter

valve housing

drain pipe

operating cams

prox. switch holder

DA4 with valve position indication

spray connection

fig. 4.1

valve

closed

valve

open

fig. 4.1.2.

APV_DA4_UK-1_102018.indd

Double Seat Mix Proof Valve

APV DELTA DA4

Instruction Manual: UK - rev. 1

APV

4. Mode of Operation

4.2. Valve in "closed" position

The lower and upper valve shaft are in closed position and safely

separate the different liquids A and B. The leakage chamber L,

which is situated between the two valve shafts, provides for a free

and depressurized discharge to the bottom. The valve shafts are

balanced and protected against pressure hammer.

4.3. Valve in "open" position

The upper valve shaft is pressed against the seal of the lower valve

shaft by control of the actuator.

First, the leakage chamber L is closed against the product chamber.

Then the two valve shafts move downwards into the open position.

The connection between the two pipelines A and B is established.

fig. 4.3.

fig. 4.2.

APV_DA4_UK-1_102018.indd

Double Seat Mix Proof Valve

APV DELTA DA4

Instruction Manual: UK - rev. 1

APV

5. Control Units / Valve Position Indication

5.1. Control unit and adapter

An adapter is required to assemble the control unit on the DA4

valve.

The following different designs are available:

Designation

Ø Air connection 6 mm 1/4" OD

Direct Connect

reference number

CU43 - D4 - Direct Connect

H336955

000 08-45-381/93

CU43 - D4 - Direct Connect 1/4"OD

H336960

000 08-45-431/93

AS-interface

reference number

CU43 - D4 - AS-i Extended

H336957

000 08-45-383/93

CU43 - D4 - AS-i Extended 1/4"OD

H336962

000 08-45-433/93

AS-interface standard

reference number

CU43 - D4 - AS-i Standard

H338152

000 08-45-385/93

CU43 - D4 - AS-i Standard 1/4"OD

H338153

000 08-45-435/93

Adapter CU4 adapter D4

000 08-46-646/93; H337098

CU4 control unit

5.2. Valve position indication

Proximity switches to signal the closed and open position of the

DA4 valve can be installed at the proximity switch holder.

We recommend using one of these standard types:

three-wire proximity switch

operating distance: 5 mm

diameter: 11 mm

operating voltage: 10–30 V DC

pnp pulse-shifting, closing function

"non-ush" installation

Recommendation:

Proximity switch 24V DC, PNP, 11 mm DIA. (5 m cable): H16223

Proximity switch 24V DC, PNP, 11 mm DIA. (cable box): H16432

If the customer decides to use valve position indicators other than

those listed above, SPX FLOW cannot assume any liability for the

functionality of the valve.

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