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SERVICE & OPERATING MANUAL
ORIGINAL INSTRUCTIONS
2" (50 mm) Solids Handling Plastic Flap Pump
with Plastic Center Section
VMB20F Plastic Pumps
• Polypropylene
VERSAMATIC
®
Warren Rupp, Inc. • A Unit of IDEX Corporation
TM
800 North Main Street, Mansfield, OH 44902 USA
Phone: (419) 526-7296 • www.versamatic.com
VMB
© Copyright 2022
Warren Rupp, Inc. All rights reserved
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Summary of Contents for Versamatic ROCKSTAR VMB
- Page 1 Plastic Center Section VMB20F Plastic Pumps • Polypropylene VERSAMATIC 800 North Main Street, Mansfield, OH 44902 USA ® © Copyright 2022 Warren Rupp, Inc. • A Unit of IDEX Corporation Phone: (419) 526-7296 • www.versamatic.com Warren Rupp, Inc. All rights reserved...
- Page 2 SECTION 5: WET END........18 • Diaphragm Drawings • Diaphragm Servicing SECTION 6: WARRANTY & CERTIFICATES ..20 • Warranty • EU Declaration of Conformity - Machinery Directive versamatic • Model VMB20 Bolted Plastic Flap versamatic Model VMB20 Bolted Plastic Flap • VMB20XXXXXXXXXXXX-rev1122 VMB20XXXXXXXXXXXX-rev1122...
- Page 3 Pump ....59lbs. (26.8 kg) None Center Ported VM VERSAMATIC Shipping Weight ..72 lbs. (32.6 kg) CHECK VALVE MATERIAL...
- Page 4 In the event of a diaphragm failure a complete rebuild of the center section is recommended. MUFFLER MUFFLER versamatic • Model VMB20 Bolted Plastic Flap versamatic Model VMB20 Bolted Plastic Flap • 1" DIAMETER AIR VMB20XXXXXXXXXXXX-rev1122...
- Page 5 The valve should be closed slightly to obtain the most efficient air flow to pump flow ratio. versamatic • Model VMB20 Bolted Plastic Flap versamatic Model VMB20 Bolted Plastic Flap •...
- Page 6 Item #14: use 242 Loctite or equivalent anaerobic adhesive during installation Item #16: use 242 Loctite or equivalent anaerobic adhesive during installation Item #47: if studs are replaced use 277 Loctite or equivalent anaerobic adhesive during installation versamatic • Model VMB20 Bolted Plastic Flap versamatic Model VMB20 Bolted Plastic Flap •...
- Page 7 Note: Kits contain components specific to the material codes. **Air End Kit does not include entire air valves assembly. It includes replacement sleeve and spool set, plus o-rings. versamatic • Model VMB20 Bolted Plastic Flap versamatic Model VMB20 Bolted Plastic Flap •...
- Page 8 The recyclability of Color coded: YELLOW 666..FDA Nitrile Diaphragm, Versamatic products is a vital part of Warren Rupp’s Read these instructions completely, before installation PTFE Overlay, Balls, and Seals commitment to environmental stewardship.
- Page 9 Step 4: Lightly lubricate O-Rings (2-C) and (2-E). (includes all items on 031-146-000 minus 1-J, 1-K, & 1-L) 560-023-360 O-Ring (Spool) 675-037-080 Retaining Ring Reassemble in reverse order. versamatic • Model VMB20 Bolted Plastic Flap Model VMB20 Bolted Plastic Flap • versamatic VMB20XXXXXXXXXXXX-rev1122 VMB20XXXXXXXXXXXX-rev1122...
- Page 10 Step 6: Reassemble in reverse order. Step 7: Remove seal, diaphragm rod (42). Step 8: Clean seal area, lightly lubricate and install new seal, diaphragm rod (40, not shown). versamatic • Model VMB20 Bolted Plastic Flap Model VMB20 Bolted Plastic Flap • versamatic...
- Page 11 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. Model VMB20 Bolted Plastic Flap • versamatic VMB20XXXXXXXXXXXX-rev1122...
- Page 12 Versamatic warrants to the original end-use purchaser that no product sold by Versamatic that bears a Versamatic brand shall fail under normal use and service due to a defect in material or workmanship within five years from the date of shipment from Versamatic’s factory.
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