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APV Pumps (SPX FLOW)

W+ Series (IEC) – Hygienic Centrifugal Pumps

W+ Series (IEC) – Hygienic Centrifugal Pumps

 
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Product Type: Centrifugal Pumps

Description:

W+ hygienic centrifugal pumps are engineered to deliver high efficiency, reduced energy consumption, and lower lifetime operating costs. The W+ range includes 17 standard pump models designed to handle pressures up to 15 bar (218 psi) and flow capacities up to 725 m³/h (191,525 gal/h) at 50 Hz. Thanks to their modular design, W+ pumps can be configured and adapted to meet specific process requirements, providing a flexible and reliable pumping solution for a wide range of hygienic applications.

Key Features & Benefits

The W+ series represents a comprehensive range of premium hygienic end-suction centrifugal pumps engineered to deliver maximum operational reliability, excellent efficiency, and reduced life-cycle costs. Designed for demanding sanitary applications, the pumps combine robust construction with flexible configuration options to suit a wide range of processing environments.

Reliable and Efficient Design

  • Robust, heavy-duty construction designed for continuous industrial operation

  • Energy-efficient hydraulic design that helps reduce operating costs

  • Smooth and quiet performance with minimal vibration

  • Advanced shaft seal design for long service life and reduced maintenance

  • Capable of handling pressures up to 15 bar (218 psi)

  • Optional 3-A certification available for hygienic applications

Hygienic Operation

  • Fully designed for CIP (Cleaning-in-Place) and SIP (Sterilization-in-Place) procedures

  • Suitable for processing a wide variety of food, beverage, and pharmaceutical products

  • Hygienic pump design ensures safe product handling and easy cleaning

Flexible Configuration

  • Wide range of optional features and configurations available

  • Modular construction allows pumps to be tailored to specific process requirements

  • Maintenance designed to be simple, fast, and cost-effective

W+ Pharma Model

The APV W+ Pharma pump model has been specifically developed to meet the strict hygiene and performance requirements of the pharmaceutical and biotechnology industries. The design focuses on ultra-clean operation, high efficiency, and gentle product handling.

A dedicated drain port improves cleanability and helps maintain hygienic operation. The pump is particularly suitable for critical pharmaceutical processes such as the production of Water for Injection (WFI), purified water, and de-mineralized water.

High-efficiency impellers combined with the patented APV spiral volute design ensure optimal hydraulic performance, smooth product flow, and gentle liquid transfer directly from inlet to outlet.

 

 

Model Inlet Size Outlet Size Maximum Impeller Size Maximum Capacity (M³/H) Maximum Head (MWC)
mm inch mm inch mm inch 1450 rpm 2900 rpm 1450 rpm 2900 rpm
10/8 38 1.5 25 1 110 4.3 7 13 3 13
22/20 51 2 51 2 142 5.6 16 33 7 28
25/210 152 6 102 4 290 11.4 300 28
30/80 102 4 76 3 170 6.7 75 150 9 35
30/120 102 4 76 3 175 6.9 77 155 10 36
35/35 65 2.5 51 2 175 6.9 26 53 10 41
35/55 76 3 65 2.5 180 7.1 43 87 10 42
50/8 38 1.5 25 1 200 7.9 8 18 14 57
50/600 250 9.8 200 7.9 420 16.6 725 55
55/35 65 2.5 38 1.5 210 8.3 26 53 16 64
55/60 76 3 51 2 220 8.7 58 115 16 65
60/110 102 4 76 3 230 9.1 90 170 18 75
65/350 152 6 102 4 260 10.2 230 475 21 88
70/40 65 2.5 38 1.5 240 9.4 21 44 21 81
80/80 76 3 51 2 255 10 58 115 23 92
110/130 102 4 76 3 290 11.4 110 225 32 130
Maximum Allowable Discharge Pressure @ 20°C (68°F) Maximum Operating Temperature

18 bar (261 psi)

14 bar (203 psi)

Optional: Heavy duty clamping ring, increasing max. outlet pressure to 25 bar (263 psi)

20 bar (290 psi)

NOTE: The maximum allowed discharge pressure is subject to derating as the temperature increases.

110°C (230°F) as standard

>110°C (230°F) requires a special high temperature motor
Materials Port Connections Motor
Casing SS 316L W+ pumps can be supplied with all standard threads and clamps in accordance to DS, BS, DIN, SMS and ISO as well as DIN flanges.

I EC metric standard, 2, 4 or 6 poles, at 50/60 Hz, I P55, insulation class F. W+ pumps are as standard in Europe delivered with motors meeting the I E2 efficiency level in accordance to the Directive 2005/32/ EC Eco-design of Energy using Products.

 

 

W+ pumps meet the requirements of the Regulation (EC) No 1935/2004 on materials and articles intended to come into contact with food and repealing Directives 80/590/ E EC and 89/109/ E EC.
Impeller SS 316L
Impeller Nut SS 316L
Inducer (Wi+) SS 316L
Back Plate SS 316L
Shaft SS 316L
Clamp Ring SS 304
Extension Frame SS 304
Legs SS 304
Motor Shroud SS 304
Shaft Seal

Standard: 
Carbon/Silicon Carbide

Optional:
Silicon Carbide/Silicon Carbide
Elastomers

Standard:
EPDM (FDA COMPLIANT)

Optional:
FPM, FEP ENCAPSULATED FPM

 

W+ Pharma Pump Specifications:

  • 3.1- EN10204 certificate (wetted parts)
  • Surface measurement report (wetted parts)
  • Electropolishing and passivation certificate (referencing sales order number)
  • Product wetted elastomers to USP Class VI
  • FDA compliant
  • 3-A & EHEDG certification
Parameter Specification
Surface finish (product contact) Ra < 0.5 µm, electropolished
Shaft seal SiC / SiC
Elastomers EPDM, USP Class VI, 121°C
Drain port ½” clamp connection for drain valve (valve not included)
Pump outlet Standard vertical or rotated 45° left

Bakery & Confectionery

  • Batters

  • Fats and oils

  • Flavorings

  • Sweeteners

  • Yeast slurry

  • Syrups

Dairy

  • Whey

  • Cream

  • Milk

  • Sweetened condensed products

  • RO / UF filtration systems

Pharmaceutical & Cosmetics

  • Emulsions

  • Extracts

  • Slurries

  • Syrups

  • Dyes

  • Alcohols

  • Essential oils

The W+ pump series includes 17 standard models designed to cover a wide range of hygienic pumping applications. The pumps can operate at pressures up to 15 bar (218 psi) and deliver flow rates of up to 725 m³/h (191,525 gal/h) at 50 Hz.

In addition to the standard range, a variety of special configurations and custom versions are available to meet specific process requirements.

Thanks to the modular design concept, W+ pumps can be easily configured and adapted to match virtually any pumping task, ensuring optimal performance and efficiency for each individual application.