Wilden® PS4 - 38 mm (1-1/2") Original? Metal Pump
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Expert Solutions for Critical Applications BRAND ADVANCED™ BOLTED METAL PUMPS ADVANCED™ BOLTED PLASTIC PUMPS ORIGINAL™ CLAMPED METAL PUMPS ORIGINAL™ CLAMPED PLASTIC PUMPS SANIFLO™ HYGIENIC PUMPS HIGH PRESSURE PUMPS

Dover’s Pump Solutions Group (PSG®), a global leader in positive displacement pump and supporting technologies, delivers value-added pumps and systems that serve customers requiring the safe and efficient transfer of critical and valuable materials. PSG features world-class pump brands and has multiple facilities on three continents (North America, Europe and Asia) that are ISO certified. We are passionately committed to innovative technologies that will positively impact the world. Our priority is providing the market expertise you need by delivering tomorrow’s innovative fluid and...

Wilden® Pump and Engineering LLC, part of Dover® Corporation’s Pump Solutions Group (PSG®), Oakbrook Terrace, IL, USA, is the leading global provider of air-operated double-diaphragm (AODD) pump technology. Since 1955, Wilden has been solving the toughest pumping applications in the world through excellence in research and development, deep market knowledge and unmatched customer service. PSG features a broad array of leading pump technologies as well as world-class facilities in the U.S., Germany, China, India and France. PSG’s leading infrastructure, knowledge base and intellectual...

MARKETS SERVED ENERGY Wilden’s pumping solutions are leading the way in energy efficiency in storage terminals, biofuels and solar cell manufacturing. Wilden pumps play a vital role as transfer points from one mode of transportation to another and as safe, secure storage locations until product transfer is needed. Wilden is also committed to helping build a clean energy economy through the use of biofuels. Typical Applications Handled: • Raw crude oil • Chemicals • austics C • Ethanol • iodiesel B • ases G • rude oil C • efined petroleum products R • Solvents • Solar cell manufacturing •...

The Pro-Flo® SHIFT is the new standard for AODD pumps. The innovative, yet simple, Pro-Flo® SHIFT air distribution system (ADS) features an “air control spool” that automatically optimizes air consumption and eliminates overcharging of the air chamber with no reduction in flow rate. The Pro-Flo® SHIFT’s evolutionary ADS design meters the air flow, allowing for just enough air to keep the pumping process operational. This is accomplished through the incorporation of an air control spool that automatically meters the air to prevent overfilling. The results are a reduction in air consumption...

Market Position: • Variable control (discharge flow rates & air consumption) • Superior flow rate • Superior anti-freezing • Single-point exhaust option • Lube-free operation • ON/OFF reliability • Most efficient flow rate per air consumption • ATEX models available Features: • Efficiency Management System (EMS™) • Metal and plastic material options • Non-stalling unbalanced spool • Simple and durable design Application Traits: • Maximize performance and efficiency • Process applications • Max. Mean Time Between Repair (MTBR) Availability: • 13 mm (1/2") • 25 mm (1") • 38 mm (1-1/2") • 51...

Progressive Diaphragm One of the most important considerations for the successful application of your diaphragm pump is its diaphragms and elastomeric components. Wilden offers the largest selection of elastomers to balance chemical compatibility, life, flow, suction lift, temperature limit, abrasion resistance and cost. The following materials are rigorously tested and proven to maximize yield and reduce Mean Time Between Repair (MTBR). Thermoplastic Elastomer (TPE) • Polyurethane: An excellent general purpose diaphragm for use in nonaggressive applications. This material exhibits...

Rubber Elastomers • Neoprene: An excellent general purpose diaphragm for use in nonaggressive applications such as water-based slurries, well water or sea water. Exhibits excellent flex life and low cost. • Buna-N: Excellent for applications involving petroleum/oil-based fluids such as leaded gasolines, fuel oils, hydraulic oils, kerosene, turpentines and motor oils. • EPDM: Excellent for use in applications requiring extremely cold temperatures. It may also be used as a low cost alternative for pumping dilute acids or caustics. • Viton®: Excellent for use in applications requiring...

TECHNOLOGY: AIR-OPERATED DOUBLE-DIAPHRAGM ADVANCED™ Series Metal & Plastic AODD Pumps Advanced Series: Pro-Flo® SHIFT Wilden’s revolutionary Advanced Series pumps are specifically designed for maximum performance and efficiency. The bolted configuration delivers maximum process fluid containment over traditional clamp-banded designs, while the redesigned liquid path reduces internal friction to maximize output and efficiency. A variety of elastomer options including PTFE are available to meet abrasion, temperature and chemical compatibility concerns. A variety of connection options and...

TECHNOLOGY: AIR-OPERATED DOUBLE-DIAPHRAGM ORIGINAL™ Series Metal & Plastic AODD Pumps Original Series: Pro-Flo® SHIFT The Original Series pumps ensure reliability without sacrificing ease of maintenance. Wilden’s Original Series pump line lends itself to various processes and waste applications, as well as construction and mining applications. Wilden pumps have the largest material and elastomer offering in the industry to meet your abrasion, temperature and chemical compatibility challenges. Original Series pumps are offered in aluminum, stainless steel, ductile iron, as well as...

TECHNOLOGY: AIR-OPERATED DOUBLE-DIAPHRAGM SANIFLO™ Series AODD Pumps The Saniflo Series pump line is specifically designed to meet the strict guidelines established for sanitary process applications. Wilden’s Saniflo solutions incorporate a full suite of products like our cast stainless steel pumps made of FDA grade materials, fabricated high polish hygienic pumps that feature straight flow-through design, large solids passage and meet stringent 3A and EHEDG certifications, as well as vacuum-controlled pumps for maximum solids passage and delicate product handling. The Saniflo pump line...