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Blagdon Pump 25 Series Service And Operating Manual Download Page 14

HG-CF-1101 Rev. C – 19.05.06 

Page 14 

Wet Side Kit Structure 

TYPICAL CODE = 

SA  25 00  N  N  M  R 

PUMP BODY / BALL VALVE MATERIAL :

 

M : METALLIC                
N : NON-METALLIC 
S : 1/2” STAINLESS STEEL       
W : WEIGHTED VALVE BALL 
Z :  HYGIENIC MODELS 

VALVE BALLS :

 

B : BUNA-N                       S : 316 ST. STEEL     
D : DELRIN (ACETAL)       T : PTFE 
E : EPDM                          V : VITON 
N : NEOPRENE                  

PART NUMBER :-  

SA : ALL KITS 

DIAPHRAGMS :

 

B : BUNA-N                     P : POLYURETHANE 
E : EPDM                         R : SANTOPRENE       
H : POLYESTER             T : PTFE 
N : NEOPRENE               V : VITON 
O : ONE PIECE PTFE     X : HIGH TEMP.           

VALVE SEAT MATERIAL / 2:1 OPTION :

 

R : RUBBER OPTIONS 
(ONLY USED IF PUMP TRIMMED WITH 
RUBBER SEATS) 
1 : HIGH PRESSURE (W1 MODELS)      
 

MODEL NUMBER :

 

Pump Type i.e:-  06, 15 , 1H ,  1A ,  25 , 
40, 1B , 2B , 50 , 1C. 

Diaphragm Pump Wet-Side Kits - Part Number Structure 

 
The format of the Wet-Side kit part number is broken down as shown below. The number always starts with ‘SA’ followed by the model 
number, diaphragm letter, ball valve letter and pump material. If rubber seats are used, an ‘R’ is added to the end. A ‘W’ is added fol-
lowing the ball valve letter if pump is fitted with weighted balls. These are not available for sizes below 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. 
If in doubt please consult Sales at Blagdon Pump. 

DESIGN REVISION :  

SEQUENTIAL NUMBER STARTING AT 00 
(NOT USED IF MODEL HAS NOT BEEN 
REDESIGNED SINCE DEC. 1999) 
I.E. SA15BBNR 

(SEE NOTE ABOVE) 

Spares Kits 

The following details refer to the main recommended spares kits available for your Blagdon Pump. Not all combinations and trim 
options are listed here. Please refer to your local stockist / distributor if you require further details or availability of other kits. 

 
 

 

 - 

Air Side Kits 

-     SA10515 - Standard Air side kit. All pumps are Lube Free as standard. If lubrication is used inadvertently this will not 

                                       damage the pump in any way. 
                                       Note! This kit is identical to SA10415 but without the 8 G339 O-Rings. 
         
                                       
 

 - 

Valve Block Sub-Assemblies 

- 

                                       SA10463 - BSP 
                                       SA10465 - NPT 
                                       
 

 

- 

Wet Side Kits

 -    SA2500TTN                                                                                                                                     

                                                                             
                                       
 

 

- 

Filter / Regulator

 SA10444 

 

 

- 

Filter/Regulator/Lubricator - FRL

            SA10378                         

Summary of Contents for 25 Series

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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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