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HG-CF-1101 Rev. C – 19.05.06

Page 1

B25 & X25

25 Series 1” Models

This pump is Atex approved for use

in potentially explosive atmospheres

Group II category 2

SERVICE & OPERATING MANUAL

AIR OPERATED DOUBLE DIAPHRAGM PUMP

All models, BSP
Flanged models :- 1” ANSI 150.
Atex Certified models.

NOTE!

Refer to pump Typical Code matrix on page 6 to determine the full Model No. of your

pump.

Please read all warnings and instructions before using this product.

IMPORTANT

This pump should be used in accordance with the requirements of the Health and Safety at Work Act 1974.

All business conducted subject to Blagdon Pump. Terms and Conditions of Sale, available on request.

A Unit of IDEX Corporation

II 2 GD c

57470

31783

B2500T5…. Virgin PTFE / HDPE

X250044…. All Conductive PTFE

This Manual covers the following models :-

Содержание 25 Series

Страница 1: ... ANSI 150 Atex Certified models NOTE Refer to pump Typical Code matrix on page 6 to determine the full Model No of your pump Please read all warnings and instructions before using this product IMPORTANT This pump should be used in accordance with the requirements of the Health and Safety at Work Act 1974 All business conducted subject to Blagdon Pump Terms and Conditions of Sale available on reque...

Страница 2: ... Installation guide 4 Trouble Shooting 5 Technical Data 5 Temperature Limitations 6 Explanation of Pump Nomenclature 6 Dimension drawing Standard 7 Dimension drawing Flanged 7 Parts List 8 Expolded View 9 Flanged Manifold Table 10 High Temperature Specification 10 Exhaust Safety Instructions 10 Performance Curve Re Assembly of Outer Covers 11 Warranty 12 Service 12 Air Side Overhaul 12 Wet Side ov...

Страница 3: ...rt in a hazardous manner 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 ...

Страница 4: ...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 lo...

Страница 5: ... but will not discharge Excessive suction lift Suction line leakage Valve ball not seating correctly or damaged Suction line or strainer clogged Diaphragm failure Shorten suction line Check and correct Check and remove obstruction replace Clear Replace diaphragm Fluid discharged from air exhaust Diaphragm Failure Loose frontplate Replace diaphragm Re Torque to manual specifications Intermittent st...

Страница 6: ...hemicals are known to react chemically with PTFE mol ten 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 212o F 100o C 32o F 0o C 50o to 212o F 10o to 100o C Viton Shows good resistance to a wide range of oils and solvents especially all alphatic aromatic an...

Страница 7: ...sion drawing Standard Dimension drawing Flanged 1 ANSI 150 NOTE All dimensions are 2mm both manifolds shown in Opposed layout to standard orientation NOTE All dimensions are 2mm both manifolds shown in Opposed layout to standard orientation ...

Страница 8: ...25 194 VALVE SEAT 4 21 G431 O RING 4 22 25 183 SPACER VALVE CHEST 4 23 25 191 25 181 VALVE CHEST 1 24 G243 O RING 2 25 G242 O RING 2 26 B043 NUT M8 20 27 25 177 RING INNER OUTER COVER 4 28 25 190 25 180 INNER COVER 2 29 D380 SOCKET C SUNK SCREW M8 x 30 8 30 25 189 25 173 OUTER COVER 2 31 A497 BOLT HEX HD M8 x 140 16 32 25 195 BASE LEG 2 33 C173 SPRING WASHER M8 8 34 1H024 BASE PAD 4 35 1H033 BASE ...

Страница 9: ...y TORQUE SETTINGS A FRONTPLATE 35 38 Nm 26 28 lbs ft B OUTER COVERS 6 2 6 7 Nm 55 60 lbs in MANIFOLDS 4 5 Nm 40 lbs in VALVE BLOCK 4 5 Nm 40 lbs in C Spares Kits Wet Side Kits Air Side Kits Valve Block Sub Assemblies See page 14 for all available kits ...

Страница 10: ...mp 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...

Страница 11: ... Covers When re assembling the pump after any service or maintenance work both Outer Covers must be re torqued using the sequence shown above The orientation of the pump is not important providing the above sequence is followed Failure to comply with these instructions may result in poor sealing and mis alignment between the diaphragm sealing faces ...

Страница 12: ... correct position of all components detailed in all sectional assembly drawings WET SIDE OVERHAUL REPLACING BALL VALVES Remove discharge manifold from pump assembly together 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 180o and remove the su...

Страница 13: ...lexing or straining movements CAUTION 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 hazard ous or toxic the air exhaust must be piped to an appro priate area for safe disposition WARNING Grounding the pump All models are certified as shown on page 1 of this manual Maximum temperature of fluid ...

Страница 14: ...elow 1 If pump model number includes a revision number then this is added where shown below Please refer to either the pump nameplate or the operating manual provided with the pump if this is to be included i e B0601SSBBTTS NOTE This part number system does not apply to pumps designated B4001 B5001 or B7501 Please consult the pump Service Operating Manuals for Wet Side Kit numbers for these models...

Страница 15: ...e Maintenance Log RECYCLING 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 Notes ...

Страница 16: ...01 Rev C 19 05 06 Page 16 BLAGDON PUMP A Unit of IDEX Corporation Lambert Road Armstrong Washington Tyne Wear NE37 1QP England Tel 44 0 191 4177475 Fax 44 0 191 4175435 Jeff Sill General Manager HG CF 223 REV 4 ...

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