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Durco PolyChem GRP Engineered Polymer Composite, Sealed, ASME (ANSI) Chemical Process Pump

Brand: Flowserve Durco
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The PolyChem GRP pump is a single-stage, end suction, centrifugal pump designed to ASME B73.1 standards. 

This product is constructed in Glass Reinforced Phenolic (GRP), which offers a cost-effective means of corrosion resistance as a more expensive high-alloy metal pump at a fraction of the cost. 

The PolyChem GRP pump has proved to be a cost-saving, long-term solution in acidic, chloride-rich and salt water applications.
Features
  • Engineered composite material construction offers cost-effective corrosion resistance and is lightweight, non-galling, non-sparking and non-conductive.
  • Tapered polygon impeller drive provides exceptional torque-carrying ability and unequaled strength for optimum durability.
  • Externally adjustable, semi-open impeller is inherently balanced, resulting in consistently high efficiency rates.
  • Centerline discharge casing with integrally molded flanges is fully gusseted for optimal nozzle-loading capabilities.
  • Radial fit and square O-rings for the casing and impeller protect the shaft from corrosive process.
  • Incorporates the Mark 3™ power end design, which conforms to ASME B73.1 design standards, and is engineered to maximize performance and reliability.
  • External micrometer impeller adjustment — Design incorporates an external micrometer impeller adjustment, which allows for quick and accurate impeller setting.
The PolyChem GRP pump is a single-stage, end suction, centrifugal pump designed to ASME B73.1 standards. 

This product is constructed in Glass Reinforced Phenolic (GRP), which offers a cost-effective means of corrosion resistance as a more expensive high-alloy metal pump at a fraction of the cost. 

The PolyChem GRP pump has proved to be a cost-saving, long-term solution in acidic, chloride-rich and salt water applications.
Features
  • Engineered composite material construction offers cost-effective corrosion resistance and is lightweight, non-galling, non-sparking and non-conductive.
  • Tapered polygon impeller drive provides exceptional torque-carrying ability and unequaled strength for optimum durability.
  • Externally adjustable, semi-open impeller is inherently balanced, resulting in consistently high efficiency rates.
  • Centerline discharge casing with integrally molded flanges is fully gusseted for optimal nozzle-loading capabilities.
  • Radial fit and square O-rings for the casing and impeller protect the shaft from corrosive process.
  • Incorporates the Mark 3™ power end design, which conforms to ASME B73.1 design standards, and is engineered to maximize performance and reliability.
  • External micrometer impeller adjustment — Design incorporates an external micrometer impeller adjustment, which allows for quick and accurate impeller setting.
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Specifications

Brand

Operating Parameters

  • Flows to 2050 m³/hour (9000 gpm)
  • Heads to 150 m (500 ft)
  • Pressures to 17 bar (250 psi)
  • Temperatures from -45° C to 120° C (-50° to 250° F)

Self-Priming - Horizontal, End Suction, Top Discharge - One Size

  • Flows to 115 m³/hour (500 gpm)
  • Heads to 115 m (375 ft)

Sixteen Sizes

  • Wet-end Consists of Ethylene Tetrafluoroethylene (ETFE) Lined Ductile Iron

Sixteen Sizes Four (4) Group 1

  • 1J1.5 x 1 G-6, 1J3 x 1.5 G-6, 1J3 x 2 G-6, 1J1.5 x 1 G-8

Sixteen Sizes Nine (9) Group 2

  • 2K3 x 1.5 G-8, 2K3 x 2 G-8, 2K4 x 3 G-8, 2K2 x 1 G-10, 2K3 x 1.5 G-10, 2K4 x 3 G-10, 2K6 x 4 G-10, 2K3 x 1.5 G-13, 2K4 x 3 G-13

Sixteen Sizes One (1) Group 3

  • 3J8 x 6 G-13

Sixteen Sizes Two (2) Above ASME Group 4*

  • 4J12 x 10 G-15, 4J12 x 10 G-15B

Standard - Horizontal, End Suction, Top Discharge - 16 Sizes

  • Flows to 2050 m³/hour (9000 gpm)
  • Heads to 150 m (500 ft)
  • Pressures to 17 bar (250 psi)
  • Temperatures from -45° to 120° C (-50° to 250° F)

VGRP - Vertical, Non-Metallic Sump - 14 Sizes

  • Flows to 565 m³/hour (2500 gpm)
  • Heads to 110 m (350 ft)
  • Pit Depths to 4.25 M (14 Ft), 6.75 M (22 Ft) with Optional Tailpipe
  • Pressures to 17 bar (250 psi)
  • Temperatures from -30° to 90° C (-20° to 200° F)
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Applications

  • Chemical Plants
  • Steel and Primary Metals Industry
  • Marine Environments
  • Wastewater Treatment
  • Aquariums
  • Mining Works
  • Microchip Manufacturing
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