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PLAST-O-MATIC VPA Air Operated Filling/Metering Pumps

  • Series VPA Metering Pumps are air-operated, self-priming, positive displacement type pumps designed to meter precise quantities of liquids.
  • The accuracy of the discharge repeatability is approximately 1/2 of 1%.
  • The four sizes of pumps available have a single stroke delivery capacity of 7, 10, 32 or 128 liquid ounces.
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Made in USA. brand PLAST-O-MATIC, model VPA

Fast delivery to Latvia, Estonia and Lithuania. International delivery to Europe, Asia, Africa and other continents available on request
Our warehouse is located in Riga, Latvia.

price by request

Available

Available

Advantages

Official distributor in Latvia

Time-tested American, European and Asian brands of control and measurent instruments

Advantages

Special price list for organisations

We offer a significant discount for trade organisations and manufacturing companies

Advantages

Worldwide shipping on request

We take care of all logistics and customs clearance. Fast delivery to Baltic countries

Advantages

After-sales service and support

Warranty service and repair, expert assistance in the operation of the instruments

Descriptions of PLAST-O-MATIC VPA

  • Plast-O-Matic chemical metering pumps are designed with 4 chambers: a liquid chamber, a vented chamber, and two air operating chambers.
  • Movement within the chambers is controlled by the reciprocating action of the pump’s shaft and piston assembly. The assembly is operated and controlled by a 4-way air valve (an accessory item listed on page 4) which alternately introduces and exhausts air pressure on both sides of the air piston.
  • The 4-way valve would receive its on-off electrical signal from an independent electrical timer or similar device, not supplied with the pump.
  • This action also causes the liquid piston to reciprocate.
  • On the down stroke of the liquid piston a vacuum is created in the liquid chamber which opens the inlet check valve diaphragm and holds the outlet check diaphragm closed. This operation permits the liquid chamber to fill itself (self-priming).
  • On the up stroke the liquid in the chamber is pressurized by the piston movement
  • This opens the outlet check valve diaphragm and holds the inlet check valve diaphragm closed. This action discharges the liquid out of the pump.
  • All Plast-O-Matic chemical metering pumps are positive displacement pumps thus any re-adjustments to the adjusting bolts will result in a change in discharge quantity. By turning the bolt further into the lower air chamber the travel of the shaft and piston assembly is restricted creating a shorter discharge stroke and reducing discharge quantity.

Available in:
• PVC
• Polypropylene
• PVDF (Kynar)

Technical specifications of PLAST-O-MATIC VPA

PUMP SPECIFICATIONS & PART NUMBERS

Nominal Stroke  Capacity Inlet &  Outlet  Pipe Size Nominal  Pumping  Capacity** Min. Cylinder  Operating  Pressure Max. Cylinder  Operating  Pressure Air Cylinder Consumption**  (C.F.M.) at Different Air Line Pressures Cylinder  Wall  Material Series VPA  Part Number
Oz. CM3 NPT GPM CM3/Sec PSI Bars PSI Bars 40 PSI 60PSI 80 PSI 100 PSI EPDM FKM
7 207.0 1/2″ .55 34.7 20 1.38 100 6.90 .55 .77 .99 1.21 PVC VPA7P-EP VPA7P-V
7 207.0 1/2″ .55 34.7 20 1.38 100 6.90 .55 .77 .99 1.21 Stainless VPA7S-EP VPA7S-V
10 295.7 1/2″ .79 49.8 20 1.38 100 6.90 .75 1.05 1.35 1.65 PVC VPA10P-EP VPA10P-V
10 295.7 1/2″ .79 49.8 20 1.38 100 6.90 .75 1.05 1.35 1.65 Stainless VPA10S-EP VPA10S-V
32 946.2 3/4″ 2.50 157.8 20 1.38 100 6.90 2.78 3.06 4.44 5.55 PVC VPA32P-EP VPA32P-V
32 946.2 3/4″ 2.50 157.8 20 1.38 100 6.90 2.78 3.06 4.44 5.55 Stainless VPA32S-EP VPA32S-V
128 3785.0 1″ 10.00 631.0 10 .69 40 2.76 11.00 –– –– –– PVC VPA128P-EP VPA128P-V
128 3785.0 1″ 10.00 631.0 10 .69 40 2.76 11.00 –– –– –– Stainless VPA128S-EP VPA128S-V

**Based on Ten (10) Cycles per Minute Pumping Water

User Guide and Instruction manual for PLAST-O-MATIC VPA

You can request the necessary certificates, documentation, instructions and user guide for PLAST-O-MATIC VPA using the special form.

You can buy PLAST-O-MATIC VPA in Latvia at a favourable price in «OLIL SIA» by leaving a request on the website, by phone +371 672 70580 or by email . PLAST-O-MATIC VPA price are subject to change depending on exchange rates. We deliver instruments by transport companies in Latvia, Estonia and Lithuania. Worldwide shipping to Europe, Asia, Africa, North and South America available on request.

See also: Valves & Fitting