Air-Operated Diaphragm Pump
Repair or Replace Air Valve - Double Diaphragm Pump
Repair or Replace Air Valve - Double Diaphragm Pump
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<strong>Diaphragm</strong>s<br />
<strong>Pump</strong> Size<br />
and Material<br />
<strong>Air</strong> Valve and<br />
Center Section<br />
Fluid Covers<br />
and Manifolds<br />
Seats<br />
Check<br />
Balls<br />
Manifold<br />
O-Rings<br />
VA25A A01A A2 AL BN XX PT<br />
NOTE: Some kits may not be available for your model. See the selector tool at www.verder.com or speak with your<br />
distributor.<br />
Standard <strong>Diaphragm</strong>s<br />
Kits include:<br />
• 8 o-rings, ptfe (12)<br />
• 2 diaphragms (15, material indicated in table)<br />
• 2 o-rings for the bolt (301, used only on metal<br />
pumps)<br />
• 1 diaphragm install tool (302)<br />
NOTE: See page 27 to order a diaphragm shaft<br />
bolt (304) if needed.<br />
Overmolded <strong>Diaphragm</strong>s<br />
Kits include:<br />
• 8 o-rings, ptfe (12)<br />
• 2 overmolded diaphragms (15, material indicated<br />
in table)<br />
• 2 diaphragm set screws, stainless steel (303)<br />
• 1 diaphragm install tool (302)<br />
NOTE: See page 27 to order a diaphragm shaft<br />
bolt (304) if needed.<br />
.<br />
<strong>Diaphragm</strong> Material<br />
Kit<br />
BN Buna-N 859.0001<br />
FK FKM Fluoroelastomer 859.0008<br />
GE Geolast 859.0002<br />
SP Santoprene 859.0007<br />
TP TPE 859.0003<br />
<strong>Diaphragm</strong> Material<br />
Kit<br />
CO Neoprene 859.0004<br />
PO PTFE 859.0005<br />
104<br />
14<br />
15<br />
13<br />
104<br />
301<br />
304<br />
14<br />
303<br />
15<br />
ti14037a<br />
(Metal pumps)<br />
13<br />
(Plastic pumps)<br />
302<br />
(not to scale)<br />
302<br />
(not to scale)<br />
ti14022a<br />
26 859.0089
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