V series Brochure
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Catalog excerpts

V series Brochure - 2

DUAL SEAL PLUNGER S SIMPLICITY IN DESIGN, OPERATION AND MAINTENANCE PUMP FEATURES: 1 Stroke Adjuster is made more compact and adjustment is simplified with an internally threaded design. The positive locking device to hold stroke length is readily accessible and easy to operate. The Pneumatic Piston and Fluid Plunger Assembly is guided at both ends on TFE composite bearings ensuring concentric movement of the plunger through the seals. The clearance between the return spring and plunger has been optimized to eliminate any possible contact. A true double sealing arrangement is used so that...

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V series Brochure - 3

PERFORMANCE SPECIFICATIONS* * This data should only be used to provide you with your initial size selection. You must refer to the actual performance graphs on pages 6 and 7 in order to verify your pump selection. PLUNGER PUMP SELECTION GUIDELINES PLEASE NOTE: OUR PLUNGER PUMPS HAVE PRESSURE-ACTIVATED SEALS. THEY SHOULD BE USED AT PRESSURES WHICH MATCH THE SEAL SELECTION. STROKE RATE AND LENGTH Even though the pumps are designed to operate over their entire stroke rate and length ranges, we suggest that you take into consideration your future flow requirements. Rather than operating at the...

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V series Brochure - 4

A) Use The Following Performance Flow Curves* in Order To: 1) Determine the flow capability of the pump you have selected. If you have sized the pump too close to the upper or lower stroke rate limit, you may wish to change to a different pump size. Of course you can also change your flow for a given stroke rate by adjusting the stroke length. Example: *Metric flow performance curves are available on request.

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V series Brochure - 5

AIR/GAS PRESSURE - PSIG AIR/GAS PRESSURE PSIG AIR/GAS PRESSURE PSIG AIR/GAS PRESSURE - PSIG

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V series Brochure - 6

PERFORMANCE (Cont.) AIR/GAS PRESSURE - PSIG AIR/GAS PRESSURE - PSIG AIR/GAS PRESSURE - PSIG AIR/GAS PRESSURE - PSIG

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V series Brochure - 7

CONTROL METHODS MK XIIA OSCILLAMATIC CONTROLLER STROKE RATE CONTROL KNOB NEEDLE VALVE OPTIONAL 3-15 CONTROL PORT The MK XIIA Controller operates on the same operating principal as the MK X Controller. The MK XIIA has the same upper and lower chambers, but are separated with flexible diaphragms rather than sliding seals. A capillary tube, controlled by a needle valve, transfers the air/gas supply to the pump from the lower to the upper chamber. CONTROL SPOOL UPPER DIAPHRAGM MIDDLE DIAPHRAGM AIR/GAS SUPPLY TO CONTROLLER LOWER DIAPHRAGM SUPPLY TO PUMP 1/4” NPT SUPPLY VALVE EXHAUST FROM PUMP...

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V series Brochure - 8

PLUNGER MATERIAL SELECTION The materials available vary in hardness and chemical compatibility. We offer three materials based on our many years of industry experience with various chemicals. Hardness is a key property when selecting the proper plunger material. Our experience has shown that the harder plunger materials not only provide longer plunger life, they also provide greater seal life. A hard plunger is a must when pumping a chemical that is prone to crystallization or if the chemical is contaminated. Of course both of the above conditions will affect seal life. Below is a table...

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V series Brochure - 9

PART NUMBERING SYSTEM SR: Solenoid Valve - Relay Teflon® Composite Teflon® Graphite Ethylene Propylene NOTE:"'The 400, 600 and 800 motor cylinders are only available with the CR (controller-relay) or SR (solenoid-relay) control methods. 21 An aluminum pneumatic section version of the pump can be specified by replacing the "V" with an "X". The "X" series is only TYPICAL INSTALLATION (1) Note: the controller would not be used with the solenoid valve. FlowTracking Controller Configuration DIMENSIONS & PHYSICAL SPECIFICATIONS Standard Pneumatic Controller Configuration

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V series Brochure - 10

The Williams "V" Series pneumatic metering pumps are engineered for PERFORMANCE, QUALITY, SAFETY and SIMPLICITY. • ACCURACY Our positive displacement plunger pumps can provide accuracies to ± 3% satisfying API-675. • FLOW Since our metering pumps offer both stroke rate and stroke length adjustment, flow turndown ratios as great as TURNDOWN 100:1 can be achieved exceeding the API-675 requirement. • PRESSURE Because of the large area difference between the air/gas piston and the plunger, our pumps can produce 10,000 PSI with only 100 PSI of air/gas supply pressure. • CORROSION We have...

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V series Brochure - 12

PUMP ACCESSORIES DRUM GAUGES (2) Liquid Level/Injection Rate Gauge MODELS Carbon Steel Carbon Steel - Vented Stainless Steel AUTOMATIC DUMP VALVES Used with the Air or Gas Dryer-Filters Stainless Steel - Vented Carbon Steel Stainless Steel CONNECTION FILTER ELEMENT 1/4” NPT 25 micron, Std 1, 2, 8 microns or 100 mesh stainless steel screen OPTIONAL FILTER ELEMENT 0.1 PSI LIQUID CHEMICAL FILTERS (1) 316 Stainless Steel FLOW RATES AIR OR GAS DRYER-FILTERS Complete with Manual Drain Valve FLOW RATES WPC9001 Electronic Pump Controller MODEL NEMA CLASS OPERATING MODES Auto Manual Switching APU-XP...

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