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HG-CF-1186 Rev. B, 12/02/10 Page 1

B25 & X25

05 Series

Metallic FDA Models

This pump is Atex approved for use

in potentially explosive atmospheres

Group II category 2

This pump is normally supplied with Tri-Clamp end connections

See Parts List for other options.

SERVICE & OPERATING MANUAL

AIR OPERATED DOUBLE DIAPHRAGM PUMP

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 7

Warranty 8

Service 8

Air Valve Overhaul 8

Wet-side Overhaul 8

Exhaust Safety 9

High Temperature Inst. 9

Parts List 10

Assembly Drawing 11

Declaration of Conformity 12

II 2 GD c

Summary of content (12 pages)

PAGE 1
SERVICE & OPERATING MANUAL AIR OPERATED DOUBLE DIAPHRAGM PUMP B25 & X25 05 Series Metallic FDA Models This pump is Atex approved for use in potentially explosive atmospheres Group II category 2 This pump is normally supplied with Tri-Clamp end connections See Parts List for other options.
PAGE 2
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-1186 Rev. B, 12/02/10 Phone / Fax No.
PAGE 3
GA Drawing & Performance Curve General Assembly :- B25 & X2505 Metallic FDA pump, All dimensions +/- 2mm B25 Metallic Pump performance curve, based on water at ambient temperature HG-CF-1186 Rev.
PAGE 4
TECHNICAL DATA FLUID CONNECTIONS CAPACITY MAX SOLIDS MAX DISCHARGE HEAD DISPLACEMENT/STROKE 1” - 1”1/2 TRI-CLAMP SIZE Other options available (RJT/DIN) 0 - 180 Litres/Minute (0 - 40 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) Determined by Elastomers PUMP WEIGHTS :SA :- 29.
PAGE 5
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.
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.
PAGE 7
TROUBLE SHOOTING GUIDE NOTE :- Check all solutions before dismantling the pump. PROBLEM CAUSE Pump will not start SOLUTION 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 Check carrier for freedom of movement. Clean, re-grease & replace. Clean line or increase line size.
PAGE 8
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.
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.
PAGE 10
HG-CF-1186 Rev.
PAGE 11
HG-CF-1186 Rev. B, 12/02/10 Page 11 23 24 Outer Seal - Lips face outwards Inner Seals - Lips face in towards holes. Lip Seal Positions - C D B A 14.5 - 15 Nm (10 - 11 lbs/ft) 27 Nm (20 lbs/ft) 13.5 - 16 Nm (10 - 12 lbs/ft 42 - 47 Nm (30 - 35 lbs/ft TORQUE SETTINGS Exploded Assembly :- B2505 Metallic Pump Refer to page 10 Parts List table for item Ref. Nos. NOTE! MANIFOLDS SHOWN AS STANDARD BSP FOR CLARITY.
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 6) HG-CF-1186 Rev.