
Tools and Materials Needed
- Model 407 1" x 2ft. SS Bladder Pump (#108207)
- 1" dia. x 2ft. 407 to 408 Conversion Kit (#106925)
Includes:
- 2 x V-010 O-ring (#100257) (1 as spare)
- 3 x V-012 O-ring (#100291) (1 as spare)
- 2 x V-116 O-ring (#103439)
- 2 x 3/8" OD Teflon® Check Ball (#101399)
- Valve Body for 1" dia. Double Valve Pump (#103529)
- Riser for 1" x 2ft. Double Valve Pump (#106928)
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Note: |
These instructions assume that the Model 407 Integra® Bladder Pump has been completely decontaminated and is fully assembled before beginning the conversion. |
Disassembling the Bladder Pump
- With each hand, hold the Top and Bottom Platens and rotate each counter clockwise, opposite to each other.
- Once loosened, unscrew the Top Platen from the Pump Body. Be careful not to lose the 5/16" OD Check Ball. Unscrew the Pump Body from the Bottom Platen.
- Slide the Pump Body off the Bladder Sleeve. Pull the Bladder Sleeve out of the Bottom Platen. Set the Bladder Sleeve aside for future use; it contains the Top and Bottom Retainers, Centre Rod, and Bladder.
- Remove the 5/16" OD Check Ball from the Bottom Platen. Be careful not to lose either of the Check Balls, as they will be required for future use.
- Check all O-rings for wear or damage, and replace as necessary.
Assembling the Double Valve Pump
- Take the 3/8" OD Check Ball from the Conversion Kit and drop it into the Bottom Platen.
- Take the Valve Body and insert into the Bottom Platen until the O-ring firmly seats.
- Insert the other 3/8" OD Check Ball into the top of the Valve Body.
- Insert the bottom end of the riser into the Valve Body. (The bottom end of the riser has holes in the side of it.)
- Slide the Pump Body over the Riser and thread onto the Bottom Platen.
- Take the Top Platen and while lining up the top of the Riser into the centre of the Top Platen, thread the Pump Body to the Top Platen.
Note: |
See separate instructions for Double Valve Pump operation. |


Stainless Steel Bladder Pump Conversion to a Double Valve Pump
® Solinst is a registered trademark of Solinst Canada Ltd.
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