Air-Operated Diaphragm Pump

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Contents Related Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Pump Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 ATEX Certifications . . . . . . . . . . . . . . . . . . . . . . . 3 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Pressure Relief Procedure . . . . . . . . . . . . . . . . . 8 Repair or Replace Air Valve . . . . . . . . . . . . . . . . 8 Check Valve Repair . . . . . . . . . . . . . . . . . . . . . 11 Diaphragms and Center Section . . . . . . . . . . . 12 Torque Instructions . . . . . . . . . . . . . . . . . . . . . . 15 Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Parts/Kits Quick Reference . . . . . . . . . . . . . . . . 17 Center Section . . . . . . . . . . . . . . . . . . . . . . . . . 18 Air Valve and Data Monitoring . . . . . . . . . . . . . 20 Fluid Covers and Manifolds . . . . . . . . . . . . . . . . 22 Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Check Balls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Seat, Check Ball, and Diaphragm Kits . . . . . . . 24 Diaphragms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Manifold O-Rings . . . . . . . . . . . . . . . . . . . . . . . 28 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Customer Services/Guarantee . . . . . . . . . . . . . . . 33 Related Manuals Manual Description 859.0088 VERDERAIR VA 25 Air-Operated Diaphragm Pump, Operation 859.0101 Torque Instructions (Manifolds and Fluid Covers) 2 859.0089
PART NO. CONFIGURATION NO. DATE CODE SERIES MAX WPR PSI-bar MADE IN SERIAL NO. Pump Matrix Check the identification plate (ID) for the 20-digit part number of your pump. Use the following matrix to define the components of your pump. For example, pump number VA25A-A01AA1SSBNBNPT represents a 1 inch, 50 gpm aluminum pump (VA25A), with aluminum center section (A01), a standard air valve (A), aluminum fluid covers (A) and manifolds with standard ports in inches (1). The pump has stainless steel seats (SS), buna-N check balls (BN), buna-N diaphragms (BN), and PTFE manifold o-rings (PT). NOTE: Available options for seats, check balls, diaphragms, and seals vary based on pump model (VA25A-VA25S). To build a pump, use the selector tool at www.verder.com or speak with your distributor. Pump (1 inch ports, 50 gpm) VA25A★ Aluminum VA25C★ Conductive Polypropylene VA25F PVDF VA25P Polypropylene VA25S‡ Stainless Steel ATEX Certifications Pump ID Center Section and Air Valve Material Air Valve/Monitoring Fluid Covers and Manifolds Aluminum A01A Standard A1 Aluminum, standard ports, inch Conductive C01A Standard Polypropylene Polypropylene P01A Standard A2 Aluminum, standard ports, metric C1 Conductive polypropylene, center flange C2 Conductive polypropylene, end flange ★, ‡, or ✖: See ATEX Certifications below. F1 F2 P1 P2 S1 S2 PVDF, center flange PVDF, end flange Polypropylene, center flange Polypropylene, end flange Stainless steel, standard ports, inch Stainless steel, standard ports, metric Check Valve Seats Check Valve Balls Diaphragm Manifold O-Rings AC AL Acetal Aluminum AC BN Acetal Buna-N BN CO Buna-N Polychloroprene Overmolded — PT None PTFE BN Buna-N CR Polychloroprene Standard FK FKM Fluoroelastomer FK FKM Fluoroelastomer CW Polychloroprene Weighted GE Geolast GE Geolast ® FK FKM Fluoroelastomer PO PTFE/EPDM Overmolded PP PV SP SS TP Polypropylene PVDF Santoprene ® 316 Stainless Steel TPE GE PT SP SS TP Geolast PTFE Santoprene 316 Stainless Steel TPE PT SP TP PTFE/EPDM Two-Piece Santoprene TPE ti14103a ★ All VA25A (Aluminum) and VA25C (Conductive Polypropylene) pumps are certified: II 2 GD c IIC T4 ‡ VA25S (Stainless Steel) pumps with aluminum or conductive polypropylene centers are certified: II 2 GD c IIC T4 ✖ DataTrak and Pulse Count are certified: EEx ia IIA T3 Nemko06ATEX1124 II 1 G 859.0089 3
Page 1: Repair/Parts VERDERAIR VA 25 Air-Op
Page 5 and 6: WARNING PRESSURIZED EQUIPMENT HAZAR
Page 7 and 8: Problem Cause Solution Exhaust air
Page 9 and 10: Replace Seals or Rebuild Air Valve
Page 11 and 12: Check Valve Repair 1 2 Torque to 10
Page 13 and 14: 104* 2 14 1 15 14 1 303 5 4 15 4 13
Page 15 and 16: 7. To ensure proper seating and ext
Page 17 and 18: Parts/Kits Quick Reference Use this
Page 19 and 20: Kit 859.0000, Center Section Rebuil
Page 21 and 22: Air Valve End Cap Kits (✠) Standa
Page 23 and 24: Outlet Manifolds Aluminum Kits incl
Page 25 and 26: Kit Parts Qty. 859.0135 (PP, FK, FK
Page 27 and 28: Diaphragms (continued) Pump Size an
Page 29 and 30: 859.0089 29
Page 31 and 32: Operating Temperature Range NOTICE
Page 33 and 34: Customer Services/Guarantee CUSTOME

Air-Operated Diaphragm Pump

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