Wilden® PS4 – 1 1/2" / 38 mm Saniflo™ FDA Air-Operated Double-Diaphragm (AODD) Original™ Series Metal Pump

The Wilden® PS4 – 1 1/2" / 38 mm Original™ Series Saniflo™ FDA model clamped metal Air-Operated Double-Diaphragm (AODD) Pump meets the strict FDA guidelines established for sanitary process applications. The PS4 Saniflo FDA pump complies with all FDA CFR 21.177, USP Class VI, CE, 1935/2004/EC and ATEX requirements.

The PS4 Saniflo FDA pump ensures reliability and ease of use and maintenance.

With simple installation and robust durability, the PS4 Saniflo FDA pump incorporates a straight flow-through design, large solids passage, shear-sensitive operation, Tri-clamp®-style fittings and efficiencies to ensure process success.

Inlet size is 38 mm (1-1/2"), and discharge size is 32 mm (1-1/4").

The wetted path material is 316 stainless steel with an Ra 1.3 μm (51.2 μin) interior polish for ease of cleaning.

Powered by the just-released stainless steel version of the energy-efficient Pro-Flo® SHIFT Air Distribution System (ADS), the PS4 Saniflo FDA pump provides:

  • EPDM
  • More yield per SCFM
  • Ease of maintenance (fewest ADS parts of any AODD pump competitor)
  • Fastest ROI, lower operational cost and total cost of ownership
  • Ease of use and maximum Mean Time Between Repair (MTBR)-- Mechanically actuated, no electronic parts, submersible, no additional configuration or complicated curves

Elastomers are available in the following materials:

  • Buna-N
  • EPDM
  • PTFE
  • Saniflex™
  • Wil-Flex™
Wilden-PS4-38mm

Features & Benefits

Benefits and Features

The Successful Solution

  • Decades of proven performance
  • Intrinsically safe
  • Clamped connections for faster maintenance
  • Self-priming
  • Variable speed
  • Dry-run without damage
  • Single-point exhaust option
  • Shear-sensitive
  • Widest range of materials in the industry

Dependable

  • Longest Mean Time Between Repair (MTBR)
  • Proven air distribution systems (ADS)
  • Simplicity of design
  • Superior anti-freezing
  • Increased On/Off reliability

Economical

  • Greater flow per SCFM input
  • Reduced air consumption and kilowatt usage
  • Lower operational costs and downtime
  • Simple installation
  • Ease of maintenance

Performance

Performance

WETTED HOUSINGS

(Water Chambers and Manifolds)

MaterialShip Wt
Stainless Steel 28 kg (62 lbs)

NON-WETTED HOUSINGS

DescriptionMaterial
Center Section Stainless Steel
Air Valve Stainless Steel

FLOW RATE TO 375 LPM (99 GPM)

MAX PRESSURE = 8.6 BAR (125 PSI)

MAXIMUM SUCTION LIFT CAPABILITY


7.1 m (23.3’) Dry, 8.6 m (28.4’) Wet

MAXIMUM DIAMETER SOLIDS

4.8 mm (3/16”)

DISPLACEMENT PER STROKE

  • Rubber- 1.0 l (0.26 gal)
  • EZ-Install TPE- 1.0 l (0.27 gal)
  • Full-Stroke PTFE- 1.0 l (0.27 gal)

Elastomer

Elastomer Options

MaterialTemperature Limits
Buna-N -12.2 to +82.2 °C (+10 to +180 °F)
EPDM -51.1 to +137.8 °C (-60 to +280 °F)
PTFE +4.4 to +104.4° C (+40 to +220° F)
Saniflex™ -28.9 to +104.4 °C (+20 to +220 °F)
Wil-Flex™ -40 to +107.2 °C (-40 to +225 °F)

Certifications

Certifications

FDA (Food & Drug Administration)

Wilden's Saniflo™ Series utilizes FDA compliant materials to meet the necessary requirements of the Food & Drug Administration. You can now feel confident that Wilden pumps can handle your food or pharmaceutical applications with ease. The FDA compliance is a pledge to our customers that Wilden is 100% behind your industries, offering a multitude of options for your process.

USP (United States Pharmacopeia)

Wilden's Saniflo HS Series AODD Pumps meet the strict Class VI standards set by the United States Pharmacopeia (USP). The USP is the non-government organization that promotes public health by establishing state-of-the-art standards to ensure the quality of medicines and other health care technologies. Wilden Saniflo HS pumps are in full compliance with USP Class VI standards for sanitary and hygienic use.

CE Mark (Conformité Européene - European Conformity)

CE

Wilden Pump & Engineering LLC has met the criteria for placing the CE mark on our product line. On December 3, 1999, Wilden fully self-certified its product line by meeting all the regulations of the Machinery and PED (Pressure Equipment) Directives. Every pump manufactured by Wilden will now receive the CE mark. Each pump box will also include a Safety Supplement manual in the eleven official languages of the European Community. This CE mark certification is indicative of Wilden's pledge to providing our distributor network with all the sales tools necessary to excel in a global economy.

European Community Regulation 1935/2004/EC

European Community Regulation

Wilden is pleased to offer Saniflo FDA and Saniflo Hygienic Series (HS) pump models that comply with the European Community Regulation 1935/2004/EC directives for Food Contact Materials. The 1935/2004/EC Regulation requires all pump components intended to come into contact with food must be constructed of approved materials specified in Annex 1 (EC) 1935/2004 and be traceable by heat/batch/lot numbers.

ATEX (ATmosphere EXplosible)
Wilden ATEX Product Summary

ATEX

It is only natural that the worldwide leading producer of air-operated, double-diaphragm pumps complies with the ATEX 100A directive for explosive atmospheres. The European community and their safety are of utmost importance to us. We take responsibility for not only our product, but also for the supporting documentation and compliance of necessary directives. Wilden is proud to introduce our metallic X pumps that comply with ATEX 94/9/EC Group I, category M2 and Group II, category 2 zones G & D. Our plastic X pumps comply with ATEX 94/9/EC Group II, category 2, zone G.

Downloads

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EOMS

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DIMENSIONAL DRAWINGS

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Videos

Videos