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Durco® PolyChem S-Series Sealed ASME (ANSI) Chemical Process Pump with Fluoropolymer-Lining
Flowserve Chemical Process Pump Available to Order

Durco® PolyChem S-Series Sealed ASME (ANSI) Chemical Process Pump with Fluoropolymer-Lining

The PolyChem S-Series chemical process pump features a fluoropolymer-lined, conventionally sealed design and meets ASME B73.1 dimensional standards. The PFA-lined wet end provides superior corrosion resistance and temperature allowance. Incorporating the proven Mark 3 power end, the PolyChem S-Series pump is engineered to maximize performance and reliability.
Flow Rate Up To 420 m³/h (1850 gpm)
Head Up To 145 m
Max Pressure 17 bar (250 psi)
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Applications

  • Chemicals
  • Water
  • General Industries

Key Features

  • Temperatures from -30°C to 150°C (-20°F to 300°F)
  • PFA Liner – PFA is globally preferred for its superior corrosion resistance and elevated temperature allowance.PFA Liner – PFA is globally preferred for its superior corrosion resistance and elevated temperature allowance.
  • Rugged Metal Armor – Cast iron armor meets material specifications of ASTM A395 and offers durability not found in plastic pumps.
  • Enclosed Impeller – Available to 250 mm (10 in) sizes, provides balanced hydraulic loads, extending bearing life. Open impeller is also available.
  • Oversized FML Seal Chamber - Large tapered bore with flow modifiers which remove heat, solids and vapors from the seal chamber creating an optimal seal operating environment.
  • External Micrometer Adjustment – Design incorporates an external micrometer impeller adjustment, which allows for quick and accurate impeller setting.

Downloads

Durco® PolyChem S-Series Sealed ASME (ANSI) Chemical Process Pump with Fluoropolymer-Lining Manual PDF

Technical specifications

View full specification table
Brand Durco®
Model PolyChem S-Series Sealed ASME (ANSI) Chemical Process Pump with Fluoropolymer-Lining
Equipment Category Industrial Process Pump
Standards The PolyChem S-Series pumps is designed to meet ASME B73.1 dimensional standards.
Sizes Four (4) ASME Group 1: PS 1.5x1-6, PS 3x1.5-6, PS 3x2-6, PS 1.5x1-8. Six (6) ASME Group 2: PS3X2-10, PS4X3-10, PS4X3-10H, PS3X2-13, PS4X3-13, PS6X4-13H

Frequently asked questions

What is the Durco PolyChem S-Series pump used for?
The Durco PolyChem S-Series is a fluoropolymer-lined, mechanically sealed chemical process pump for corrosive liquid-transfer applications.
What does fluoropolymer-lined mean?
The pump’s wetted end is lined with PFA fluoropolymer, which provides strong corrosion resistance and temperature capability for suitable chemical applications.
Can the impeller clearance be adjusted?
Yes. An external micrometer adjustment allows the impeller clearance to be set quickly and accurately during maintenance.
How many PolyChem S-Series sizes are available?
The ASME range includes ten sizes across Group 1 and Group 2 configurations.

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