Charles Austen Pumps

What Charles Austen Pumps does

Charles Austen Pumps Ltd is a UK-based private limited company that designs and manufactures diaphragm and vacuum pumps for OEM integration across medical, beverage, wastewater, aquatic/hydroponic, industrial, inkjet, and vending applications. Founded in 1955, the company operates from Byfleet, Surrey, with a headcount of 51–100, and has been in continuous independent operation for nearly 70 years. Its portfolio centres on three proprietary pump architectures: a patented rotary diaphragm pump using an eccentrically mounted bearing within a flexible diaphragm; a magnetically operated linear diaphragm pump with a totally sealed pumping chamber; and an oilless rocking piston pump that combines piston performance with diaphragm simplicity. The company also sells through two sub-brands, BlueDiamond Pumps (condensate removal for HVACR) and Dispense Pumps, and offers a bespoke OEM design service supported by in-house tool making through to assembly.

The business model is hardware sales, generated through a direct sales-led go-to-market combining a website enquiry channel, phone and email engagement, and an own e-commerce storefront for standard products and service kits. Pricing is quote-based and not publicly disclosed, with multi-year contract cadences cited for custom OEM work. Revenue streams are diversified across at least six vertical end-markets, with medical device integration and beverage dispense identified as primary segments, and wastewater, aquatic/hydroponic, and industrial OEM as secondary segments. The company maintains an active social presence across LinkedIn, Facebook, Twitter, YouTube, and Instagram, and uses website content and case studies as top-of-funnel marketing assets.

No funding rounds, ownership changes, leadership transitions, acquisitions, or restructuring events are disclosed in the available material. The company is independently owned with no parent, no private equity backing, and no institutional investment signals, and continues to operate as a private limited entity focused on proprietary mechanical pump technology rather than software or AI-enabled products.

Name

Charles Austen Pumps

Legal name

Charles Austen Pumps Ltd

Website

https://charlesausten.com

Company type

Private

Founded year

1955

Operating status

Operating

Headcount range

51–100 employees

Short description

Charles Austen Pumps Ltd is a UK-based private manufacturer of patented diaphragm and vacuum pumps, serving OEM customers in medical, beverage, wastewater, aquatic/hydroponic, industrial, and vending markets with a mix of standard and bespoke designs.

Ownership category

akta.pro rank

Product category

Industrial Pumps

NAICS

Pump and Compressor Manufacturing (33391), Measuring, Dispensing, and Other Pumping Equipment Manufacturing (333914)

SIC

Pumps & Pumping Equipment (3561)

akta.pro primary industry

Specialty & Metering Pumps (IMAHANAC)

akta.pro secondary industries

Pump & Compressor Packages (Skids, Booster Sets) (IMAHANAG), Pumps & Plumbing Pump Accessories (Sump, Sewage, Booster) (IMADALAL)

Keywords

• Diaphragm pumps
• OEM pumps
• Vacuum pumps
• Wastewater pumps
• Rocking piston pumps

Headquarters

HQ city

Byfleet

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Pump Manufacturing and Sales: Charles Austen Pumps generates revenue through the manufacture and sale of various types of pumps including diaphragm pumps, vacuum pumps, liquid pumps, air/gas pumps, and bespoke OEM pumps. They offer standard off-the-shelf products as well as custom-designed pumps for specific applications.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Charles Austen Pumps is a UK-based pump manufacturer that designs, produces, and supplies diaphragm, rotary, linear, rocking piston, and vacuum pumps. The company offers both standard off-the-shelf OEM pumps and bespoke custom-designed pumps, serving medical, beverage, industrial, wastewater, and aquatic/hydroponic markets worldwide.

Product overview

Charles Austen Pumps Ltd is a pump manufacturer specializing in diaphragm and vacuum pump technologies for industrial, commercial, and consumer applications. The product portfolio centers on several core technologies: Rotary Diaphragm Pumps (patented valve-less, seal-less design for thick liquids), Linear Diaphragm Pumps (magnetically operated with minimal wear), and Rocking Piston Pumps (oilless compressors combining piston and diaphragm technology). These are offered both as standard OEM products and through the Bespoke Design service for custom applications. The company serves diverse markets including medical devices, beverage dispense, wastewater treatment, and aquatic/hydroponic systems. The company also distributes BLUEDIAMOND branded condensate removal pumps through separate branded channels.

Differentiator

Problem solved

Functional benefit

Brands

• BlueDiamond Pumps: International supplier of condensate removal pumps and accessories, focusing on HVACR applications

Products and services

• OEM Pumps Original Equipment Manufacturer pumps designed for integration into customer products and systems, available in air/gas, liquid, environmental, medical, beverage, and industrial configurations for OEM customers.
• Rotary Diaphragm Pumps Patented rotary diaphragm pumps using proprietary technology for thick liquid applications, featuring valve-less, seal-less design with outstanding self-priming characteristics. Available in sizes including RD01, RD1, RD2, RD3, and RD5.
• Linear Diaphragm Pumps Magnetically operated diaphragm pumps using a simple pumping principle that flexes a diaphragm within a sealed chamber, eliminating sliding parts and minimizing wear. Models include LD10, LD15, LD30, LD DM5, LD DB5, and others.
• Rocking Piston Pumps Oilless rocking piston pumps combining higher performance of piston pumps with diaphragm pump simplicity in a small economic unit. Models include RP12, RP40V/P, and RP120V/P, designed for continuous operation with minimal maintenance.
• Wastewater Pumps Linear diaphragm air pumps designed for sewage aeration applications, crucial for wastewater treatment where oxygen supply enables aerobic bacteria to decompose matter. Includes alarmed variants that detect low airline pressure.
• Aquatic & Hydroponic Pumps Extensive range of air and liquid pumps for aquatic and hydroponic applications with varying flow rates, from single tank systems to large koi ponds and fish breeders. CE registered with UK, EU or US plug options and next day delivery.
• Bespoke Design Pumps Custom-designed and manufactured pumps tailored to specific customer requirements, with in-house tool making and assembly providing total control over quality and product reliability. The company's specialty for unique OEM applications.
• BlueDiamond Condensate Removal Pumps Condensate removal pumps and accessories sold under the BlueDiamond brand, focused on installer and end-user needs for HVACR applications with continued in-house product development and manufacturing.

Named customers6 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Two partnerships are on record, tiered core and minor.

• Blue Diamond PumpscoreChannel Partner/ Reseller/ DistributorBlue Diamond Pumps is a trading brand of Charles Austen Pumps focused on condensate removal pumps and accessories. The brand operates internationally ensuring installers and end users are at the forefront of focus, with continued in-house product development and manufacturing.
• Dispense PumpsminorChannel Partner/ Reseller/ DistributorSeparate brand focused on dispense pump products, operated in conjunction with the main Charles Austen Pumps brand.

Scale indicators2 records

Recent moves1 record

Expansion highlights5 records

Direct peers

• Stenner Pump Company: Manufacturer of peristaltic and diaphragm metering pumps for water treatment, pool/spa, and industrial chemical dosing. Comparable on small-footprint diaphragm pump design and OEM/aftermarket distribution model.
• SEKO: Italian-headquartered manufacturer of dosing, metering, and dispense pumps for industrial, beverage, and water treatment applications. Closely comparable on OEM pump supply into beverage dispense and wastewater dosing.
• KNF Neuberger: German-headquartered manufacturer of diaphragm pumps (including OEM and gas/liquid variants) for medical, lab, and industrial applications. Highly comparable to Charles Austen on rotary and linear diaphragm technology, OEM business model, and multi-vertical end-market exposure.
• Blue-White Industries: US-based manufacturer of diaphragm and metering pumps for water treatment, chemical dosing, and industrial OEM applications. Direct comparator on diaphragm pump technology and OEM custom-engineering model.
• Bürkert: Manufacturer of fluid control systems including solenoid valves, sensors, and diaphragm pumps for process industries, medical, and water treatment. Comparable on engineered OEM pump and valve solutions sold into regulated process industries.
• Watson-Marlow (Watson-Marlow Fluid Technology Solutions): Specialist pump OEM serving biopharmaceutical, medical, and industrial markets with peristaltic and related fluid handling technologies. Comparable on the OEM-design-in business model, focus on regulated applications, and bespoke pump configurations.
• Cole-Parmer / Antylia Scientific: Distributor and manufacturer of fluid handling products including diaphragm and peristaltic pumps for lab, life science, and industrial markets. Overlaps with Charles Austen on OEM pump supply to laboratory and industrial customers.

Broad incumbents

• Xylem: Global water technology major offering a broad pump portfolio including diaphragm, submersible, and centrifugal pumps for water/wastewater and industrial markets. Sets the competitive ceiling Charles Austen faces in wastewater and OEM water handling applications.
• Grundfos: Global leader in pump manufacturing with broad coverage across HVAC, industrial, water utility, and OEM applications. Represents the scale benchmark that constrains pricing and design-in opportunities for niche OEM players like Charles Austen.

Emerging players

• Tapflo Group: European diaphragm pump manufacturer with growing global footprint serving chemical, food/beverage, water, and paint applications. Comparable on diaphragm pump technology and multi-vertical industrial OEM model, though slightly larger scale.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/cappumps
• YouTubeyoutube.com/channel/UCOcPywAHU4pweagx6MvuFnQ
• Facebookfacebook.com/charlesaustenpumps
• LinkedInlinkedin.com/company/charles-austen-pumps-ltd
• Instagraminstagram.com/charles.austenpumps/?hl=en

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Charles Austen Pumps