Blagdon Pump B25 Service & Operating Manual
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Blagdon Pump B25 Service & Operating Manual

Air operated double diaphragm pump. hygienic series inc. lube free models
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SERVICE & OPERATING MANUAL
SERVICE & OPERATING MANUAL
SERVICE & OPERATING MANUAL
SERVICE & OPERATING MANUAL
AIR OPERATED DOUBLE DIAPHRAGM PUMP
B25 & X25
B25 & X25
B25 & X25
B25 & X25
Hygienic Series
Inc. Lube Free Models
This pump is Atex approved for use
in potentially explosive atmospheres
Group II category 2

Table of Contents

Assembly Drawing
Declaration of Conformity
HG-CF-921 Rev. L - 28.07.05
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31783
II 2 GD c
57470
Page 1

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Summary of Contents for Blagdon Pump B25

  • Page 1: Table Of Contents

    SERVICE & OPERATING MANUAL SERVICE & OPERATING MANUAL SERVICE & OPERATING MANUAL SERVICE & OPERATING MANUAL AIR OPERATED DOUBLE DIAPHRAGM PUMP B25 & X25 B25 & X25 B25 & X25 B25 & X25 Hygienic Series Inc. Lube Free Models This pump is Atex approved for use...

  • Page 2: Service / Maintenance Log, Recycling

    Service / Maintenance Log Date Details Completed 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. Contact Information Contact Phone / Fax No.

  • Page 3: Dimensions

    GA Drawing & Performance Curve GA Drawing & Performance Curve GA Drawing & Performance Curve General Assembly :- B25 / X25 Hygienic Models, all dimensions +/- 2mm B25 / X25 Hygienic Performance Curve Performance based on water at ambient temperature HG-CF-921 Rev.

  • Page 4: Technical Data & Temperature Limitations

    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. LAMBERT ROAD,ARMSTRONG, WASHINGTON, TYNE & WEAR NE37 1QP, ENGLAND.

  • Page 5: Principle Of Pump Operation

    This causes the diaphragms, which are Your BLAGDON PUMP is a high body. This simultaneously sends inlet pressure connected by a common shaft secured by plates performance unit capable of achieving to the opposite chamber.

  • Page 6: Important Warnings & Safety Information

    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.

  • Page 7: Troubleshooting

    TROUBLE SHOOTING GUIDE NOTE :- Check all solutions before dismantling the pump. PROBLEM CAUSE SOLUTION Pump will not start Air valve assembly malfunction/Seizure Check carrier for freedom of movement. - Clean, oil & replace. Obstructed fluid line. Clean line or increase line size. Obstructed diaphragm chamber.

  • Page 8: Warranty

    IMPORTANT! re-torque in accordance to the settings Holding one of the frontplates in a vice, shown in the parts list. (‘soft jaws’ should be fitted), or with an Read these instructions adjustable spanner, loosen and remove c o m p l e t e l y , b e f o r e In the event of a complete air-side the frontplate from the opposite end.

  • Page 9: Exhaust Safety

    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...

  • Page 10: Parts List

    PARTS LIST PARTS LIST - cont. PART DESCRIPTION PART DESCRIPTION NUMBER NUMBER 25-065 PUMP STAND 40-215 VALVE BLOCK 25-057 SUCTION MANIFOLD (see table for optional connections) 40-047 SILENCER (STANDARD MODELS ONLY) 25-064 CLAMP BAND G431 O-RING (USED WITH ST. STEEL SEATS ONLY) SEE TABLE VALVE SEAT THE FOLLOWING PARTS ARE USED ON ATEX CERTIFIED MODELS...
  • Page 11 Sectional General Assembly :- B25 Hygienic Pump. Refer to page 10, Parts List table for Item Ref. Nos.
  • Page 12 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) HG-CF-921 Rev. L - 28.07.05 Page 12...

This manual is also suitable for:

X25

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