Many components of BLAGDON air operated double diaphragm pumps are made of recyclable materials. We encourage pump
users to recycle worn out parts and pumps whenever possible, after any hazardous pumped fluids are thoroughly flushed.
Contact Information
ContactPhone / Fax No.
HG-CF-1197Rev.0-15.12.09Page 2
HG-CF-1197
b25_HP_W1_manual-rev1210
Page 3
GA Drawing & Performance Curve
B2505 Metallic H.P. pump, General Assembly :- All dimensions +/- 3mm
B2505 Metallic H.P. Pump Performance Curve, based on water at ambient temperature
HG-CF-1197Rev.0-15.12.09Page 3
HG-CF-1197
b25_HP_W1_manual-rev1210
Page 4
TECHNICAL DATA
FLUID CONNECTIONS CAPACITY MAX SOLIDS MAX DISCHARGE HEAD DISPLACEMENT/STROKE
1” BSP (F) 0 - 88 Liters/Minute
(0 - 19.4 Gallons/Minute)
3 MM
(1/8”)
102 Meters
(335 ft)
0.475 Litres
(0.1 UK Gallons)
MAX. WORKING PRESSURE AIR INLET TEMPERATURE LIMITS PUMP WEIGHTS :-
10 Bar (145 psi) 3/8” BSP (F) Determined by Elastomers AA :- 16.3 Kg CA :- 27.8 Kg
SA :- 31.8 Kg CC :- 34.8 Kg
SC :- 38.8 Kg SS :- 39.8 Kg
Note! Maximum Discharge pressure not to exceed 10 bar
� Caution - Operating temperature limitations are as follows:
Materials
Buna-n - General purpose, oil resistant. Shows good solvent, oil, water and hydraulic fluid resistance. Should not
be used with highly polar solvents like acetone and MEK, ozone, chlorinated hydrocarbons and nitro hydrocarbons.
EPDM - Shows very good water and chemical resistance. Has poor resistance to oils and solvents, but is fair on
ketones and alcohols.
Neoprene - All purpose. Resistant to vegetable oil. Generally not affected by moderate chemicals, fats greases
and many oils and solvents. Generally attacked by strong oxidising acids, ketones, esters, nitro hydro carbons and
chlorinated aromatic hydrocarbons.
Santoprene® - Injection moulded thermoplastic elastomer with no fabric layer. Long mechanical flex life.
Excellent abrasion resistance.
Virgin PTFE - Chemically inert, virtually impervious. Very few chemicals are known to react chemically with
PTFE : molten alkali metals, turbulent liquid or gaseous fluorine and a few fluoro-chemicals such as chlorine
trifluoride or oxygen difluoride which readily liberate free fluorine at elevated temperatures.
Viton® - Shows good resistance to a wide range of oils and solvents : especially all alphatic, aromatic and
halogenated hydrocarbons, acids, animal and vegetable oils.
Polypropylene - High strength, light weight, corrosion resistant polyolefin which easily withstands most
chemicals, with no known solvent at room temperature.
TYPICAL CODE =B25.05. S A. B 1. N N S
MODEL
B25 : STANDARD
X25 : ATEX CAT. 2
DESIGN LEVEL
Operating Temperatures
Maximum MinimumOptimum
176oF
o
80
212oF
100
212oF
100
212oF
100
356oF
180
356oF
180
158oF
o
70
C
o
C
o
C
o
C
o
C
o
C
C
-18oF
-28
-11oF
-24
-4oF
-20
-10oF
-23
32oF
o
0
C
0oF
-18
32oF
o
0
C
o
C
o
C
o
C
o
C
o
C
50o to 140oF
o
10
to 60oC
50o to 212oF
o
10
to 100oC
50o to 130oF
o
10
to 54oC
50o to 212oF
o
10
to 100oC
50o to 212oF
o
10
to 100oC
75o to 212oF
o
24
to 100oC
50o to 140oF
o
10
to 60oC
VALVE SEATS
S : 316L STAINLESS STEEL
WETTED COMPONENTS
A : ALUMINIUM
S : 316L STAINLESS STEEL
C : CAST IRON
NON - WETTED COMPONENTS
A : ALUMINIUM
S : 316L STAINLESS STEEL
VALVE TYPE
B : BALL
W : WEIGHTED BALL
MODEL DESIGNATION
1 : BOTTOM SUCTION, W1 SERIES
This pump should be used in accordance with the requirements of the Safety, Health & Welfare at Work Act 2005.
All business conducted subject to IDEX Pump Technologies, Ireland. Terms and Conditions of Sale, available on request.
IMPORTANT
VALVE BALLS
T : PTFE E : EPDM
N : NEOPRENE V : VITON
B : BUNA-N S : ST. STEEL
D : ACETAL
DIAPHRAGMS
N : NEOPRENE V : VITON
H : POLYESTER (HYTREL) B : BUNA-N
R : SANTOPRENE
®
T : PTFE
P : POLYURETHANE E : EPDM
O : ONE-PIECE PTFE
IDEX Pump Technologies (Ireland) Ltd.,
A Unit of IDEX Corporation,
R79, Shannon, Co Clare, IRELAND.
TEL. : +353 61 471933 FAX. : +353 61 475046
Web Site : www.blagdonpump.com
E-Mail : sales@blagdonpump.com
HG-CF-1197Rev.0-15.12.09Page 4
HG-CF-1197
b25_HP_W1_manual-rev1210
Page 5
PRINCIPLE OF PUMP
OPERATION
This ball valve type diaphragm pump is
powered by compressed air and is a 2:1 ratio
design. The inner side of one diaphragm
chamber is alternately pressurised while
simultaneously exhausting the other inner
chamber. This causes the diaphragms, which are
connected by a common shaft secured by plates
to the centres of the diaphragms, to move in a
reciprocating action. (As one diaphragm
performs a discharge stroke the other diaphragm
is pulled to perform the suction stroke in the
opposite chamber.) Air pressure is applied over
the entire inner surface of the diaphragm while
liquid is discharged from the opposite side of
the diaphragm. The diaphragm operates in a
balanced condition during the discharge stroke
which allows the pump to be operated at
discharge heads of over 300 feet (91 meters) of
water.
For maximum diaphragm life, keep the pump as
close to the liquid being pumped as possible.
Positive suction head in excess of 10 feet of
liquid (3.048 meters) may require a back
pressure regulating device to maximize
diaphragm life.
Alternate pressurising and exhausting of the
diaphragm chamber is performed by an
externally mounted, pilot operated, 2 way type
distribution valve. When the spool shifts to one
end of the valve block body, inlet pressure is
applied to one chamber and the other diaphragm
chamber exhausts. When the spool shifts to the
opposite end of the valve body, the pressure to
the chambers is reversed. This alternating
movement of the spool inside the valve body is
controlled by a pilot air pressure signal held
against the diaphragm shaft, between seals in the
diaphragm shaft bushes. This signal is released,
triggering the movement of the spool, when pilot
holes in the diaphragm shaft align with the held
pilot signal, sending the signal to exhaust, which
in-turn causes a pressure imbalance around the
spool, sending it to the opposite end of the valve
body. This simultaneously sends inlet pressure
to the opposite chamber.
The chambers are connected by manifolds with a
suction and discharge ball valve in one chamber
only, the opposite chamber being blanked off,
and pressurised on the fluid side also, to create
the 2:1 ratio, maintaining flow in one direction
through the pump.
INSTALLATION
The typical installation shown in FIG. 1 is only a
guide to selecting and installing system
components. Your installation will depend on
the type of fluid being pumped and your
application needs. To reduce the risk of serious
bodily injury and damage to property, never use
fluids in this pump which are not compatible
with the wetted components. Contact your local
distributor or the manufacturer for system design
assistance & compatibility if necessary.
Mount the pump in an upright position. Failure
to ensure an upright position may result in loss
of or poor priming characteristics. Ensure the
pump is securely mounted to avoid movement
and possible risk of bodily injury.
PRESSURE The pump delivers the same
pressure at the discharge outlet as the air
pressure applied at the air inlet (unless pump is
configured as a 2:1 ratio model).
NOTE: Pressure Regulator (H) should be
installed where air supply could exceed 125
psi.
SAFETY
Your BLAGDON PUMP is a high
performance unit capable of achieving
high outputs at high efficiencies. However, as
is common with pneumatic equipment, the
pump efficiencies is reliant upon the air being
clean, dry and filtered. Failure to comply with
these requirements may lead to loss of
performance and reduced component life and in
extreme cases, permanent damage to the pump.
To avoid leaks, ensure that all fluid connections
are tight. The use of PTFE thread tape correctly
applied should be used to ensure 100% leak
proof connections. Failure to ensure 100%
sealability of the suction connection could
adversely affect suction performance.
If you are pumping hazardous fluids, or
operating the pump in an enclosed area, it is
essential that the exhaust from the pump is
piped away to a safe location. When pumping
hazardous fluids the above instructions must be
adhered to in order to ensure safe operating
procedures. (Under certain operating
conditions the failure of internal components
can lead to the pumped fluid being exhausted
via the pump exhaust outlet).
WARNING
Available from
Blagdon Pump :-
1. Pulsation Dampener
2. Filter/Regulator
3. Lubricator
4. Air Dryer
Installation Guide
Fig. 1
Shut-off
Valve
SUCTION
Drain Port
Air Inlet
Pipe Connection
(Style Optional)
Gauge
Exhaust
Flexible
Connection
Air Exhaust
LCAUTION !
The air exhaus t should be piped
to an area for safe disposition of
the product being pumped, in the
1
event of diaphragm failure.
NEVER place your hands over or near the
pump suction inlet. Powerful suction could
cause serious bodily injury.
FLUSH THE PUMP This pump was tested
with water containing an oil-based rust
inhibitor. If this solution could contaminate or
Pulsation
Dampener
Pipe Connection
(Style Optional)
Flexible
Connection
Gauge
Shut-off
Valve
DISCHARGE
react with the fluid you are pumping, flush the
pump thoroughly with a solvent/detergent to
clean internal components. The solvent/
detergent must be compatible with the pump
materials of construction. Care should be taken
to flush the pump each time it is disassembled
for maintenance or repair.
CAUTION
All BLAGDON PUMPS are built lubricated
with grease during assembly and need no
further lubrication. If the use of oil cannot be
Drain Port
avoided, this will not present any problems. A
light No. 2 class lithium grease is
recommended. Other grades may cause the Air
Air Shut-Off
Air Dryer
Valve
AIR
INLET
Filter
Regulator/Lubricator
Air
Logic System to operate intermittently, thereby
causing a loss of output and failure to operate.
Other seals are available for “clean room”
conditions
If the pump accelerates or is running too fast
due to a lack of fluid, then stop it immediately
by shutting off the air supply. A dry pump will
accelerate to a high speed causing wear to
elastomers.
4
If the fluid you are pumping tends to dry up or
set when it is not moving, then flush the pump
2
3
as often as necessary to prevent the fluid from
drying in the pump. Drain the pump thoroughly
before storing.
If feasible, invert pump to allow any fluid to
drain from the non-return valves
HG-CF-1197Rev.0-15.12.09Page 5
.
HG-CF-1197
b25_HP_W1_manual-rev1210
Page 6
Important Warnings and Safety Information
IMPORTANT
Read these safety warnings and instructions in this manual completely, before installation and start-up of the pump. It
is the responsibility of the purchaser to retain this manual for reference. This manual must be kept with, and supplied
with the pump at all times. Failure to comply with the recommendations stated in this manual will damage the pump,
and void factory warranty. These instructions are available if required, in the language or languages of the country or
countries in which the equipment is used. Please refer to the manufacturer for details.
IMPORTANT!
This pump is pressurized internally with air pressure during operation. Always make certain that all bolting is in good condition and that
all of the correct bolting is reinstalled during assembly. End-user must ensure correct fitting of Inlet / Outlet connections. Crossed
threads or over tightening of connections will result in leaks. Quick action/release connections are not recommended. If their use is
unavoidable, the levers must be locked to avoid them being forced apart in a hazardous manner.
WARNING!
Before maintenance or repair, shut off the compressed air line, bleed the pressure, and disconnect the air line from the pump. The discharge line may be pressurized and must be bled of its pressure. End-user must ensure correct regulation of air supply pressure, as any
increase in air pressure results in a similar increase in product pressure if stalled-out.
WARNING!
Before doing any maintenance on the pump, be certain all pressure is completely vented from the pump, suction, discharge, piping, and
all other openings and connections. Be certain the air supply is locked out or made non-operational, so that it cannot be started while
work is being done on the pump. Be certain that approved eye protection and protective clothing are worn at all times in the vicinity of
the pump. Failure to follow these recommendations may result in serious injury or death.
WARNING!
Airborne particles and loud noise hazards. Wear ear and eye protection.
WARNING!
Take action to prevent static sparking. Fire or explosion can result, especially when handling flammable liquids. The pump, piping,
valves, containers or other miscellaneous equipment must be grounded. Refer to exhaust safety instructions on page 9.
WARNING!
When used for toxic or aggressive fluids, the pump should always be flushed clean prior to disassembly. User must ensure chemical
compatibility, and any pressure / temperature limits are not exceeded. These instructions include all the information for relevant
diaphragm temperature limits. Pump temperature range can also be found on data-plate attached to the pump.
If pump is not used for more than 5 days, care must be taken when restarting. If in any doubt, remove pump from line and flush with a
suitable cleaner. Solidified deposits within the pump may cause damage to the diaphragms.
CAUTION!
Before pump operation, inspect all gasketed fasteners for looseness caused by gasket creep. Re-torque loose fasteners to prevent
leakage. Follow recommended torques stated in this manual. In cases of excess vibration, Blagdon recommend fitting a Pulsation
Dampener to remove effects of pulse actions from pump operation. Flexible connections can be used, but must be kept to a minimum
length necessary to avoid sharp flexing or straining movements
HG-CF-1197Rev.0-15.12.09Page 6
.
HG-CF-1197
b25_HP_W1_manual-rev1210
Page 7
TROUBLE SHOOTING GUIDE
NOTE :- Check all solutions before dismantling the pump.
PROBLEMCAUSESOLUTION
Pump will not start Air valve assembly malfunction/Siezure
Obstructed fluid line.
Obstructed diaphragm chamber.
Diaphragm failure causing fluid & excessive air to be
expelled through the exhaust.
Diaphragm seal failure.
Air valve system malfunction.
Air connected to exhaust.
Erratic flow Diaphragm failure on one side.
Pump strokes but will not
discharge
Fluid discharged from air
exhaust
Intermittent stroke rate Over lubrication
Valve ball not seating.
Suction leakage.
Diaphragm failure causing fluid & excessive air to be
expelled through the exhaust.
Diaphragm seal failure.
Air valve system malfunction.
Excessive suction lift.
Suction line leakage.
Valve ball not seating correctly or damaged.
Suction line or strainer clogged.
Diaphragm failure.
Diaphragm Failure.
Loose frontplate.
Diaphragm shaft seal failure.
Air valve system malfunction.
Valve ball not seating / partially obstructed.
Check carrier for freedom of movement. Clean, oil & replace.
Clean line or increase line size.
Remove obstruction.
Replace diaphragm.
Replace shaft seals.
Check all seals in valve chest assembly.
Re-connect to air inlet.
Replace diaphragm.
Check and remove obstruction.
Check and correct.
Replace diaphragm.
Replace shaft seals.
Check all seals in valve chest assembly.
Shorten suction line.
Check and correct.
Check and remove obstruction / replace.
Clear.
Replace diaphragm.
Replace diaphragm.
Re-Torque to manual specifications.
Shut-down pump. Remove air connection
into pump & introduce a small quantity of degreasing agent into air valve and replace
line. Run pump until clear.
Replace seals.
Check all seals in valve chest assembly.
Clear obstruction.
ATEX Certified units :- X2505..
These models are certified to :-
II 2 GD c
Non-electrical equipment for potentially explosive atmospheres,
: EN13463-1 : 2001, ‘c’ - Internal control of production.
Grounding the pump :-
WARNING!
Take action to prevent static sparking. Fire or
explosion can result, especially when handling
flammable liquids. The pump, piping, valves,
containers or other miscellaneous equipment
must be grounded.
The Atex approved units are supplied with a natural earth ground
cable. This cable is 2 meters in length and permanently connected
through a nut and bolt at the inner cover casting. The other end is free
to connect to the nearest available suitable point to provide a natural
earth ground. This must be done to reduce the risk of electro-static
sparking.
HG-CF-1197Rev.0-15.12.09Page 7
HG-CF-1197
b25_HP_W1_manual-rev1210
Page 8
IMPORTANT!
Read these instructions
c o m p le t e l y, b ef o r e
installation and start-up. It
is the responsibility of the purchaser to
retain this manual for reference.
F a il u re t o c o m pl y w it h t h e
reco mmendat io ns s tated in this
manual will damage the pump, and
void factory warranty.
the valve system to malfunction.
Re -asse m ble the v a lve blo c k
assembly & re-torque in accordance
to the settings shown in the parts list.
In the event of a complete air-side
overhaul, the pump should be disassembled down to the centre
section assembly as described later
in the “Wet-Side Overhaul” section.
R E PL A C IN G D I AP HR AG M S
Remove both suction and discharge
manifolds as detailed in the previous
section, removing all ball valves,
seats and ‘O’ rings.
Loosen and remove both outer
covers from the pump assembly.
The orientation of the covers should
be noted so as to facilitate reassembly.
SERVICE
The following sections give a general
overview on how to service all
models of BLAGDON Diaphragm
Pumps. For details on individual part
numbers, quantities, materials, etc.,
please consult the parts list supplied
with the pump.
NOTE :Before commencing
any service or maintenance work
on the pump, ensure that the air
supply has been disconnected or
isolated.
AIR VALVE SYSTEMS
PNEUMATIC TYPE Remove the 4
screws securing the valve block to
the valve chest, together with any
associated gaskets or seals.
Remove slide valve plate & slide
valve from the valve block assembly.
Clean all parts thoroughly and
inspect for excessive wear, replacing
where necessary.
The slide valve and valve plate
contact faces should be flat and free
from scratches. A light polishing on a
flat surface with a fine abrasive paper
will remove most scratches.
If excessive wear is suspected in the
valve block bore or valve carrier,
remove the valve block plugs and
withdraw the valve carrier. Check
valve block plug o-rings for wear or
attack & replace where required.
Clean the valve carrier & valve block
bore with white spirits to remove any
oil films.
NOTE :T h e n o m i n a l
diametrical clearance between the
valve carrier and the valve block
block bore should be 0.05 -
0.09mm. A clearance in excess of
this will cause the valve system to
run erratically.
Apply a light grease to the valve
bl ock pl ug O- ring s whe n reassembling into the valve block bore.
Any damage to the O-ring may cause
With the valve block assembly
dismantled, remove the inner covers
where appropriate.
A careful note of the position of all
related seals and gaskets should be
made to facilitate re-assembly.
Remove diaphragm shaft bushes,
where appropriate, and check all
seals and ‘O’ rings for wear or
d a ma g e . I f w o r n , r e p la c e
immediately.
NOTE:-The integrity of the
diaphragm shaft seals is essential
for the correct functioning of all
pneumatically actuated valve
systems.
Check the diaphragm shaft for
excessive wear as this will result in
premature seal failure. Replace as
required. Lubricate all components
and re-assemble as detailed above,
in reverse order. Ensure the correct
position of all components detailed in
all sectional assembly drawings.
WET-SIDE OVERHAUL
REPL ACI N G B ALL VALVES
Remove discharge manifold from
pu mp as sembly to get her with
associated valve balls, seats and ‘O’
rings.
NOTE :- The orientation of the
valve seat relative to the valve ball
should be noted as incorrect
positioning may result in a
performance loss.
Turn pump through 180
the suction manifold. Clean and
inspect the components. Check for
any wear or damage and replace as
required.
NOTE :- Ball or valve seat wear
may result in loss of performance
and suction lift.
Re-assemble the valve balls/seats
and ensure manifolds are adequately
torqued to the settings shown in the
parts list.
o
and remove
Holding one of the frontplates in a
vice, (‘soft jaws’ should be fitted), or
with an adjustable spanner, loosen
and remove the frontplate from the
opp o s i t e end . R e m ove t h e
diaphragm, backplate and bumpstop
from diaphragm shaft.
Carefully withdraw the diaphragm
shaft from the centre section and
hold the free end in a vice, holding
between the flats machined on the
end. Loosen and remove the
frontplate and remove the diaphragm
togeth e r wit h back p l a t e an d
bumpstop (where fitted).
NOTE :- Care should be taken with
all plastic, coated and hygienic
pumps, so that the surface of the
frontplate is not damaged.
Thoroughly clean all parts and check
for wear, damage, swelling, cracking,
delamination and chemical attack.
Replace components where required.
NOTE :-Rubber diaphragms
should be replaced if they are
worn to such an extent that the
fabric re-enforcing is evident on
the surface of the diaphragm.
Fo r p umps fit t ed with PTF E
diaphragms, a light coating of grease
should be applied to the back-up
diaphragm prior to re-assembly.
Before re-assembly, it is advisable to
check the condition of the diaphragm
shaft seal/’O’ rings for wear or attack.
If either is evident, it is recommended
that they be replaced.
Assemble the diaphragms onto the
shaft in a reverse sequence to their
removal. Care should be taken as to
the orientation of the diaphragm
relative to the front and back plates.
All diaphragms have “AIR SIDE”
mould ed onto o ne si de. The
backplate must be fitted adjacent to
the AIR SIDE of the diaphragm.
HG-CF-1197Rev.0-15.12.09Page 8
HG-CF-1197
b25_HP_W1_manual-rev1210
Page 9
EXHAUST SAFETY WHEN PUMPING HAZARDOUS LIQUIDS
WARNING!
In the event of diaphragm rupture, pumped material may enter the air end of the pump, and be discharged into the atmosphere. If pumping
a product which is hazardous or toxic, the air exhaust must be piped to an appropriate area for safe disposition.
Flooded Suction Installation
Submerged Installation
Suction Lift Installation
Exhaust Safety :-
When a diaphragm fails during operation, pumped liquid can enter and contaminate the air side of the pump. If diaphragm failure is not
severe, i.e. a small split or hole, then the pump can continue to run, with air being forced into the product being pumped. If however the
failure is more serious, then the pump may stop, with fluid or fumes being expelled through the exhaust. Under these conditions it is
recommended that the exhaust is piped away to a safe area. In standard suction lift conditions this can simply be done by piping from the
exhaust connection to a safe area. Multiple installations can be piped to a common connection, then to a safe area. In flooded suction
conditions the exhaust must be taken to a point higher than the fluid level to prevent any siphoning away. In submerged conditions ensure
exhaust is piped away above fluid level.
In all conditions ensure exhaust outlet is not expelling across a non-conductive surface. The exhaust must not be placed less than 100mm
from any non-conductive surface, as this may generate a propagating brush discharge resulting in a possible ignition source.
HIGH TEMPERATURE INSTRUCTIONS
In situations where the temperature of the fluid to be pumped is likely to exceed 100°C, a high temperature pump
code must be specified. This is signified using an ‘X’ in the last part of the pump code as shown.
“XTS” in place of “TTS”.
This indicates the following specification amendments :All seals and o-rings will be changed from Buna-N to Viton and back-up diaphragms and any bump-stops will be
changed to Viton.
See table below for parts effected :- (refer to main table for quantities / pump)
These items are available in recommended spares kit :- ASK2505HT
HIGH TEMPERATURE SPECIFICATION
REF. NO 2325262731
DESCRIPTION DIA. SHAFT
MATERIAL
VITON G536 G508 G533 G509 1A039
HG-CF-1197Rev.0-15.12.09Page 9
SEAL
24
DIAPHRAGM
SHAFT BUSH
40-194
O-RING O-RING O-RINGSUPPORT
DIAPHRAGM
HG-CF-1197
b25_HP_W1_manual-rev1210
Page 10
2
2
1
2
1
M5 x 14
4
1
M8
M8 x 40 4
1
1
2
2
8
-8
POLYURETHANE QTY
-
--
--
-
-
1A358
SANTOPRENE
QTY
STEEL
STAINLESS
1A050 1A197
DELRIN
(ACETAL)
1A080
1
--
--
--
PARTS LIST - cont.
Description Qty
Parts
Aluminium Common
Steel
Stainless
Cast Iron
Ref
No.
VALVE CARRIER
36 40-004 SLIDE VALVE
39 G512 O-RING2
38 40-266 VALVE BLOCK PLUG
37 D391 SKT. CAP SCREW 4
1
40 40-192
2
1
8
SPRING WASHER
VALVE BLOCK
NEOPRENE POLYESTER
D337 SKT. CAP SCREW
C165
THE FOLLOWING PARTS ARE USED ON ATEX MODELS
44 G243 O-RING2
45 1A089 SUPPORT DIAPHRAGM 1
43
41 40-264
42
1
2
SEE TABLE
46 1A071 DIAPHRAGM - PTFE 1
1
1
2
47 SA10288 GROUNDING LEAD 148 SP467 ATEX I/D TAG
30 40-240 SILENCER 1
6
2
2
2
ELASTOMER TABLE
SP473 TIE-LOK TIE
DESCRIPTION BUNA-N
No.
49
2
1
REF
1
2
1
G059
1A072 1A091
VALVE BALL 1A049 1A079
8
1
DIAPHRAGM 1A006 1A057 1A061 1A070 2
VALVE SEAT O-RING G057
3
6
8VALVE BALL (W EIGHTED)
1
2
PTFEEPDM
ELASTOMER TABLE – Cont.
VITON
DESCRIPTION
REF
1
1
1
No.
-1A092
1A002
VALVE SEAT O-RING G061 G058 G060
3
8VALVE BALL 1A081
1
M8 x 25 8
6DIAPHRAGM 1A039 SEE TABLE 1A040
8VALVE BALL (WEIGHTED) 1A093
8
- These items are available in a recommended spares kit. Please refer to your local stockist / distributor for details.
- These items are available in a recommended spares kit - ASK2504 - Air side Kit - (All models).
- These items are available as a Sub-Assembly spare - SA10463, Valve Block Assy.
- All models are pre-lubricated, -LF options are only required for very dry air, or “clean room” applications.
8
1
24
M8
1
1
16
M8
Description Qty
Parts
Common
Aluminium
Steel
Stainless
OUTER COVER - WET SIDE
O-RING (VALVE SEAT)
1A205 VALVE SEAT - HEAVY DUTY
SEE TABLE
DIAPHRAGM
BACKPLATE
1A259
SEE TABLE
SA10104 SA10502 FRONTPLATE ASSEMBLY - FLUID SIDE
DIAPHRAGM SHAFT
DISCHARGE MANIFOLD
25-160
O-RING
O-RING
G367
G245
DIA. SHAFT SEAL (SEE NOTE )
O-RING
G189
25-103 SWIVEL ELBOW
G242 O-RING
VALVE CHEST
INNER COVER
MODELS)
1A210 BLANKING PLATE
SA10502 FRONTPLATE - AIR SIDE
1A211 -OUTER COVER - AIR SIDE
D310 SKT. CAP SCREW
25-214 AIR HOSE
25-213 SWIVEL ELBOW
SILENCER
G339 O-RING
PART NUMBER
WETTED COMPONENTS
Cast Iron
2
125-139 25-120 -SUCTION MANIFOLD
Ref
PARTS LIST
HG-CF-1197Rev.0-15.12.09Page 10
No.
SA10104
3
6
7
5
41A075 1A035 1A005 -
925-140 25-121 -
8SEE TABLE VALVE BALL
11 25-089 DIAPHRAGM SHAFT BUSH
10
14 25-091
12
13
17
18
16 25-206 INNER COVER - 2:1
15
19 40-259
22 1A006 AIR SIDE DIAPHRAGM (VITON, EPDM & PTFE
20 25-182
21
23 1A221 1A222
24
27
25
26
29 A181 A006 BOLT - HEX. HD. M8 x 40 16
30 40-047
28
31 A180 A005 BOLT - HEX. HD.
HG-CF-1197
b25_HP_W1_manual-rev1210
WASHER
C004
40-005 VALVE PLATE
C193
32 B179 B003 NUT
33
35
34 40-204 GASKET
Page 11
14
Refer to page 10, Parts List table for Item Ref. Nos.
Sectional General Assembly :- B25 & X2505 Metallic Pump
Inner Seals -
Lip faces in over, towards
Lip Seal Positions
Outer Seal -
11
Lip faces out over
HG-CF-1197Rev.0-15.12.09Page 11
HG-CF-1197
b25_HP_W1_manual-rev1210
Page 12
IDEX Pump Technologies (Ireland) Ltd.,
A Unit of IDEX Corporation,
R79, Shannon, Co Clare,
IRELAND.
TEL. : +353 61 471933
FAX. : +353 61 475046
Web Site : www.blagdonpump.com
E-Mail : sales@blagdonpump.com
Date : December 01 2009
Des Monaghan,
Production & Technical Manager
HG-CF-223 (REV 5)
HG-CF-1197Rev.0-15.12.09Page 12
HG-CF-1197
b25_HP_W1_manual-rev1210
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