SPX FLOW APV DA4 Manual de usuario
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
UK
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APV_DA4_UK-1_102018.indd
UK
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
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APV_DA4_UK-1_102018.indd
UK
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.
!
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APV_DA4_UK-1_102018.indd
UK
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 certications for this and other innovative SPX FLOW
products, visit
https://www.spxow.com/en/apv/about-us/certications/
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3
1
2
E
C
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APV_DA4_UK-1_102018.indd
UK
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.
A
B
L
A
B
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APV_DA4_UK-1_102018.indd
UK
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.
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APV_DA4_UK-1_102018.indd
UK
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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