SERVICE & OPERATING MANUAL AIR OPERATED DOUBLE DIAPHRAGM PUMP B25 & X25 Moulded Non-Metallic 05 Series This pump is Atex approved for use in potentially explosive atmospheres Group II category 2 Table of Contents Service / Maintenance Log, Recycling 2 Dimensions 3 Performance Curve 3 Technical Data & Temperature limitations 4 Explanation of Pump Nomenclature 4 Principle of Pump Operation 5 Installation guide 5 Important Warnings & Safety Information 6 Troubleshooting 7 Grounding the Pump
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 HG-CF-1187 Rev. B - 15.02.10 HG-CF 1187 Rev D 9/12/11 B25_Non-Metallic_manual-rev0911 Phone / Fax No.
GA Drawing & Performance Curve General Assembly :- B2505 Moulded Pump, all dimensions +/- 1mm B25 Moulded Pump - Performance Curve, based on water at ambient temperature HG-CF-1187 Rev. B - 15.02.
TECHNICAL DATA FLUID CONNECTIONS CAPACITY MAX SOLIDS MAX DISCHARGE HEAD DISPLACEMENT/STROKE 1‖ ANSI 150 / DN25 Compatible Flange 0 - 152 Liters/Minute (0 - 33 Gallons/Minute) 3 MM (1/8‖) 88 Meters (289 ft) 0.475 Litres (0.1 UK Gallons) MAX. WORKING PRESSURE AIR INLET TEMPERATURE LIMITS 8.6 Bar (125 psi) 3/8‖ BSP (F) Polypropylene :- 70oC PVDF (Kynar) :- 90oC PUMP WEIGHTS :PT/GT :- 13.3 Kg PW/GW :- 15 Kg KT :- 20 Kg KW :- 21.
PRINCIPLE OF PUMP OPERATION This ball valve type diaphragm pump is powered by compressed air and is a 1:1 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.
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.
TROUBLE SHOOTING GUIDE NOTE :- Check all solutions before dismantling the pump. PROBLEM CAUSE Pump will not start SOLUTION Air valve assembly malfunction/Seizure 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 Check carrier for freedom of movement. Clean, oil & replace. Clean line or increase line size. Remove obstruction.
IMPORTANT! Read these instructions completely, before installation and start-up. It is the responsibility of the purchaser to retain this manual for reference. Failure to comply with the recommendations stated in this manual will damage the pump, and void factory warranty. 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.
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.
HG-CF 1187 Rev D 9/12/11 B25_Non-Metallic_manual-rev0911 HG -CF -1187 Rev. B - 15.02.
HG-CF 1187 Rev D 9/12/11 B25_Non-Metallic_manual-rev0911 HG-CF-1187 Rev. B - 15.02.10 Page 11 Page 11 35 - 38 Nm (26 - 28 lbs/ft) 16 Nm (12 lbs/ft) 14 - 15 Nm (10 - 11 lbs/ft) A B C TORQUE SETTINGS Conductive pumps Valve Seat Arrangt. Inc. Item 6 as required. Exploded General Assembly :- B25 Non-Metallic Pump Refer to page 10, Parts List table for Item Ref. Nos. Inner Seals - Lips face in towards holes.
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 6) HG-CF-1187 Rev. B - 15.02.
