Rexus

What Rexus does

Rexus is a privately held South African machinery manufacturer founded in 2010 and headquartered in Sebenza, Gauteng, specializing in pipeline flow control and protection equipment. The company sells industrial pipeline components through four branded product families: AirFlo Variable Orifice Air Valves (patented surge protection valves in ESP and ERP variants plus free sizing software), CheckFlo Check Valves (Nozzle, Silent, Foot, and Slim Swing variants designed with FEA and CFD), KII (High Performance Double Offset Butterfly Valves, couplings, flanged adaptors, dismantling joints, end caps, and ductile iron, PVC/HDPE, and steel pipe), and VeroFlo (fabricated steel fittings, reducers, tees, elbows/bends, and basket strainers). Rexus serves water and wastewater utilities, mining and industrial operators, and engineering contractors, with products deployed across 14-15 countries.

The company's underlying technology centers on engineering-driven product design: AirFlo is backed by an international patent on variable orifice technology that automatically adjusts orifice diameter to flow conditions, and is independently third-party tested by SABS across DN50 to DN300; CheckFlo valves are validated through Finite Element Analysis, Computational Fluid Dynamics, prototype testing, and independent flow and hydrostatic testing. Products are 100% locally manufactured in South Africa, with size ranges spanning DN25 to DN1600 and pressure ratings up to PN100, supported by ISO/SANS/API specifications compliance.

Rexus operates a sales-led B2B go-to-market with quote-based pricing (no public price list), direct sales via phone, email, and an enquiry-based website storefront, and dedicated technical sizing and positioning services. Marketing combines downloadable catalogues, technical articles, newsletters, free CPD-certified air valve sizing seminars, and a free AirFlo sizing and positioning programme as product-led growth and lead-generation assets. Revenue is generated primarily through one-time hardware sales of pipeline equipment, with ancillary technical support and sizing services, and the company shows no external investors, parent entity, or public listing in the available data.

Name

Rexus

Legal name

Rexus

Website

https://rexus.co.za

Company type

Private

Founded year

2010

Operating status

Operating

Headcount range

11–50 employees

Short description

Rexus is a South African machinery manufacturer specializing in pipeline flow control products, including the patented AirFlo Variable Orifice air valve, CheckFlo check valves, KII butterfly valves and couplings, and VeroFlo fabricated steel fittings. It serves water utilities, mining operators, and engineering contractors in 14-15 countries via direct quote-based B2B sales.

Ownership category

akta.pro rank

Product category

Industrial Pipeline Equipment & Valves

NAICS

Industrial Valve Manufacturing (332911), Metal Valve Manufacturing (33291), Other Metal Valve and Pipe Fitting Manufacturing (332919), Plastics Pipe and Pipe Fitting Manufacturing (326122)

SIC

General Industrial Machinery & Equipment (3560), Gaskets, Packg & Sealg Devices & Rubber & Plastics Hose (3050)

akta.pro primary industry

Seals, Valves & Auxiliary Components (for Pumps/Compressors) (IMAHANAH)

akta.pro secondary industries

Pipe Accessories & Joining Systems (Couplings, Gaskets, Solvent Cement, Fusion Fittings) (IMANADAJ), Water & Sewer Pipe & Fittings (PVC/HDPE/PP) (IMANADAA)

Keywords

• Pipeline fittings
• Industrial valves
• Water pipeline equipment
• Pipe couplings
• Surge protection valves

Headquarters

HQ city

Gauteng

HQ country

South Africa

HQ region

Africa

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Pipeline Equipment Sales: Rexus generates revenue through the sale of industrial pipeline equipment including valves (air valves, check valves, butterfly valves), couplings, pipe fittings, strainers, and pipe products. Products are sold as one-time hardware purchases with associated technical sizing and support services.
2. Technical Support and Sizing Services: Provides technical sizing and positioning services for air valves and other pipeline products, including software tools for pipeline design optimization.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Rexus manufactures and supplies industrial pipeline equipment including air valves (AirFlo), check valves (CheckFlo), butterfly valves and couplings (KII), fabricated steel fittings and strainers (VeroFlo), and pipe products (ductile iron, PVC/HDPE, steel). All products are 100% locally manufactured in South Africa for water, wastewater, slurry, and mining pipeline applications. The company also provides technical sizing and positioning software, CPD-certified training, and engineering support to help customers specify appropriate pipeline components.

Product overview

Rexus is a South African company specializing in pipeline solutions with a portfolio of four key brands and multiple products under each brand. The product portfolio includes: AirFlo Variable Orifice Air Valves (ESP and ERP series plus sizing software) for surge protection and air management in water and sewer pipelines; CheckFlo Check Valves (Nozzle Check, Silent Check, Foot, and Slim Swing designs) for waterhammer prevention; KII Butterfly Valves (High Performance Double Offset); KII Couplings Products (Couplings, Stepped Couplings, Flanged Adaptors, Dismantling Joints, End Caps) for pipeline connections; Pipe products (Ductile Iron, PVC/HDPE, Steel); and VeroFlo Fittings (Fabricated Steel Fittings, Reducers, Tees, Elbows/Bends, Basket Strainers). All products are 100% locally manufactured in South Africa, enabling short lead times.

Differentiator

Problem solved

Functional benefit

Brands

• AirFlo: Variable Orifice Air Valves product line including Series ESP for water applications and Series ERP for sewerage and slurry applications.
• CheckFlo
• KII
• VeroFlo

Products and services

• AirFlo Series ESP Variable Orifice Air Valve Variable Orifice Air Valve for potable and strained raw water applications, providing automatic surge protection, pressurised air release, large volume air release, and unrestricted air intake. Size range DN25 to DN300, pressure range PN10 to PN100. For water utilities and pipeline engineers.
• AirFlo Series ERP Air Valves for Sewerage and Slurry Applications Variable Orifice Air Valves designed for sewerage, slurries, and raw water with large particles in suspension. Size range DN50 to DN300, pressure range PN16 standard, PN25 on request. For mining and wastewater operators.
• AirFlo Air Valve Sizing and Positioning Programme Software for sizing and positioning air valves on pumping or gravity mains. Available as Online or Standalone version, suitable for any pipeline diameter, materials, and length for water and sewer applications. For pipeline design engineers.
• CheckFlo Check Valves Single Door wafer pattern designs and Nozzle Check Valves for prevention of Surge and Waterhammer on pipelines. Sizes DN50 to DN1200, pressure ratings PN10, PN16, PN25, PN40, with PN64 and PN100 available on request. For water utilities and pipeline operators.
• CheckFlo Series DGB Nozzle Check Valves Central Shaft Design Nozzle Check Valves that prevent Water Hammer and reverse flow. Features non-slam closure, low pressure loss, maintenance-free operation. DN50 to DN1200, PN10 to PN64. Available in short face-to-face (DGB-SF) and long face-to-face (DGB-LF) designs. For water, mining, and industrial pipeline operators.
• CheckFlo Series AGB Silent Check Valves Silent Check Valves preventing Water Hammer and reverse flow. Size range DN80 to DN1000, pressure range PN10 to PN40. Features non-slam closure with metal-to-metal or soft sealing options. For pipeline and pumping system operators.
• CheckFlo Series BCB Nozzle Check Valves Annular Ring Nozzle Check Valves with ring disc on multiple spring and radial guide assembly. DN50 to DN1200, PN10 to PN63. Available in short face-to-face (BCB-SF) and long face-to-face (BCB-LF) designs with metal-to-metal sealing. For high-pressure pipeline applications.
• CheckFlo Series GBB Foot Check Valves Silent Type Check Valve design for pump suction side to maintain pump prime. DN50 to DN600, PN10 to PN40. Features full flow area, dynamic driptight sealing, non-slam operation, with stainless steel strainer. For pump stations and water utilities.
• CheckFlo Slim Swing Check Valves Cost-effective wafer design non-return valves for low head and small diameter pipeline operations. Features compact design, virtually maintenance-free, optional spring loaded disc for rapid closure. For water distribution and irrigation pipelines.
• KII High Performance Double Offset Butterfly Valves Double offset butterfly valves conforming to EN593 and BS 5155 design standards. Sizes DN150 to DN1200, PN10 to PN40. Low torque design with stainless steel 316 seat, fusion bonded epoxy coated body and disc. For water, wastewater, and industrial flow isolation.
• KII Coupling Products Pipeline connection products available in three configurations: KII SmartFit Couplings (40mm to 800mm NB), KII Dedicated Couplings (40mm to 1600mm NB), and KII Long Barrel Couplings for HDPE Pipe (40mm to 1600mm NB). For pipeline construction and maintenance.
• KII Flanged Adaptors Flanged adaptors available in Universal (50mm to 300mm NB, PN10/PN16), Dedicated (40mm to 1600mm NB, PN6 to PN40), and Restrained configurations. For connecting flanged equipment to plain-ended pipe.
• KII Dismantling Joints Double flanged design allowing longitudinal adjustment in flanged pipe systems for greater flexibility at planning, installation, and maintenance stages. For pipeline systems requiring maintenance access.
• KII End Caps End caps for testing and blanking off pipelines. Sizes 50mm to 1600mm, pressure ratings PN6 to PN64. Features wide sealing tolerance, longer socket for ease of installation. For pipeline testing and termination.
• KII Ductile Iron Pipe Ductile Iron Pipe to ISO 2531/EN545 and BS EN545 specifications for water, sewage, and slurries. Sizes DN80 to DN1200, classes K8, K9, K10 (BS EN545:2006) and C25-C50 (BS EN:2010). Available in spigot/socket and flanged combinations. For municipal water and wastewater infrastructure.
• PVC and HDPE Pipe

Quantifiable outcome

• Vacuum protection increased by 23% or more compared to some designs of the same nominal size
• +2 more outcomes

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators2 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• KSB SE & Co. KGaA: German global manufacturer of pumps, valves, and related systems. Overlaps in industrial valves and pump-system components (foot valves, strainers) but operates at vastly greater scale across broader industrial markets.
• Crane Company: US industrial manufacturer with a substantial process flow solutions segment including industrial valves, fittings, and related products. Comparable in butterfly valves and process fittings but serves a far wider industrial base.
• Pentair: Global water solutions company with valves, flow control, and pipeline equipment. Overlaps in industrial and water infrastructure valves, but with a much broader portfolio spanning residential, commercial, and industrial.
• Mueller Water Products: US-listed manufacturer of water infrastructure products including valves, hydrants, and pipe fittings. Comparable customer base (municipal water utilities) but a much larger, North-America-anchored portfolio.

Direct peers

• Dorot: Israeli manufacturer of automatic control valves, air valves, and hydraulic control products for water networks. Directly comparable technology focus on surge/air management and water infrastructure applications.
• Hawle Austria: Austrian manufacturer of pipeline fittings, valves, and couplings for drinking water and gas networks. Directly comparable couplings, flanged adaptors, and pipe accessory product lines serving municipal water utilities.
• AVK Holding: Danish global manufacturer of valves, hydrants, and fittings for water and wastewater infrastructure. Closely comparable product range (air valves, check valves, couplings, fittings) and a directly overlapping customer base of municipal water utilities.
• Viking Johnson: UK-based manufacturer of couplings, flange adaptors, and pipeline fittings for water and wastewater networks. Direct peer in couplings and step-coupling product categories sold by Rexus's KII line.
• Talis Group: European holding group focused on water-flow valves, fittings, and pipeline equipment. Comparable portfolio breadth across air valves, butterfly valves, and fittings for municipal water applications.

Regional players

• Aqua Energy: South African supplier of water and wastewater treatment equipment and pipeline components. Regional peer serving overlapping Southern African municipal and mining customers, though focused more on treatment than flow control.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/RexusSA
• LinkedInlinkedin.com/company/rexus-south-africa

Revenue estimate

Valuation estimate

Number of profiles

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 Rexus