What ASEPCO Corp does

ASEPCO Corp designs and manufactures weirless radial diaphragm valves used in aseptic processing, serving biopharmaceutical manufacturers and OEM system integrators. The company's core technology replaces the conventional weir structure with a radial diaphragm in which the diaphragm seal moves independently of the shoulder seal; the cylindrical diaphragm is squeezed into sealing position when the valve is closed and has been tested to internal water pressure of up to 20 bar without leakage. Products are built from fully traceable stainless-steel alloys with fully machined, electropolished, and passivated surface finishes as standard, and are offered with manual or pneumatic actuator options plus an optional CIP/SIP port that creates a behind-the-seat flow path for validated sterile connections and transfers while the valve is closed. Every valve is individually inspected rather than sample-checked, and the design eliminates dead legs and dead spaces to reduce contamination risk and simplify cleaning validation.

The company operates as a dedicated brand within Watson-Marlow Fluid Technology Solutions (WMFTS), itself part of Spirax Group plc (LSE: SPX). ASEPCO sells through a direct, sales-led go-to-market model with quote-based pricing determined by valve configuration, actuator type, diaphragm material, and alloy, supported by phone-based contact and contact-expert web forms; multi-year contracts are referenced in pricing materials. Primary customer segments are Biotechnology & Pharmaceutical manufacturers needing aseptic processing equipment for drug manufacturing (upstream processing, CIP/SIP validation) and OEM manufacturers requiring qualified valve components for integration into larger systems. Founded in 1994 and operating for over 30 years, ASEPCO is distributed globally through the WMFTS network in more than 40 countries, positioning the brand as an established niche supplier of high-purity fluid-path components within regulated pharmaceutical manufacturing.

Name

ASEPCO Corp

Legal name

Watson-Marlow Limited

Website

https://asepco.com

Company type

Private

Founded year

1994

Operating status

Operating

Headcount range

101–250 employees

Short description

ASEPCO Corp designs and manufactures weirless radial diaphragm valves for aseptic processing, serving biopharmaceutical manufacturers and life-sciences OEMs globally through Watson-Marlow Fluid Technology Solutions.

Ownership category

akta.pro rank

Product category

Industrial Process Valves

NAICS

Industrial Valve Manufacturing (332911), Metal Valve Manufacturing (33291), Fluid Power Valve and Hose Fitting Manufacturing (332912)

SIC

Gaskets, Packg & Sealg Devices & Rubber & Plastics Hose (3050)

akta.pro primary industry

Valves & Cartridge Valves (Directional, Pressure, Flow Control) (IMAHAGAE)

akta.pro secondary industry

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

Keywords

• Aseptic diaphragm valves
• High purity valves
• Bioprocessing equipment
• Pharmaceutical fluid handling
• Stainless steel valves

Headquarters

HQ city

Mountain View

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Diaphragm Valve Hardware Sales: Revenue generated from the sale of high-purity weirless radial diaphragm valves manufactured from stainless steel, available in various alloy types. Products include manual and pneumatic actuator options with configurable diaphragm materials.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

ASEPCO Corp manufactures high-purity weirless radial diaphragm valves for aseptic processing applications in the biotechnology and pharmaceutical industries. The valves are constructed from fully traceable stainless steel materials with electropolished and passivated finishes, and are available with manual or pneumatic actuator options. The product is engineered to eliminate dead legs, enable tool-free diaphragm replacement, and support validated clean-in-place and steam-in-place (CIP/SIP) operations.

Product overview

ASEPCO Corp manufactures high purity weirless radial diaphragm valves for aseptic processing in the biotech, pharmaceutical, and OEM sectors. The product portfolio centers on the ASEPCO Weirless Radial Diaphragm Valve—a stainless steel valve designed with a unique diaphragm seal that moves independently of the shoulder seal. The valves are offered with manual or pneumatic actuators and can be equipped with optional CIP/SIP ports for cleaning and sterilization. Key differentiators include no dead legs or dead spaces, no tools or special training required for maintenance, integrated travel stops, and a flush mount design. The cylindrical diaphragm shape, when squeezed into sealing position, holds the seal tested up to 20 bar internal water pressure. All valves are made from fully traceable materials, fully machined, electropolished and passivated as standard.

Differentiator

Problem solved

Functional benefit

Products and services

• ASEPCO Weirless Radial Diaphragm Valves High-purity stainless steel weirless radial diaphragm valves engineered for aseptic processing in biotechnology, pharmaceutical, and OEM applications. The diaphragm seal moves independently of the shoulder seal and is tested to internal water pressure of up to 20 bar without leakage. Available with manual or pneumatic actuator options and optional CIP/SIP ports. Constructed from fully traceable materials with electropolished and passivated surfaces, and individually inspected.

Quantifiable outcome

• 80% maintenance time reduction through tool-free diaphragm replacement
• +1 more outcomes

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

One partnership is on record.

• Watson-Marlow Fluid Technology Solutions (WMFTS)coreChannel Partner/ Reseller/ DistributorASEPCO operates as a brand within the Watson-Marlow Fluid Technology Solutions portfolio. WMFTS, part of Spirax Group, distributes ASEPCO diaphragm valves globally through its international network spanning over 40 countries. The brand page is hosted on wmfts.com and uses WMFTS customer support infrastructure for sales and service.

Scale indicators3 records

Recent moves4 records

Expansion highlights3 records

Direct peers

• KEOFITT A/S: Danish niche manufacturer of aseptic sampling and diaphragm valves for pharmaceutical and biotech applications, competing for the same bioprocessing customer base with single-use oriented designs.
• Bürkert Fluid Control Systems: Bürkert produces diaphragm and process valves used in pharmaceutical, biotech and aseptic applications, targeting the same bioprocessing engineers and OEMs with similar stainless-steel sanitary valve solutions.
• ITT Inc. (Engineered Valves & Pumps): ITT's Engineered Valves & Pumps business (including Pure-Flo®) offers diaphragm valves for sanitary and biopharmaceutical applications that compete head-to-head with ASEPCO's weirless radial design in pharma and biotech fluid paths.
• GEMÜ Gebr. Müller Apparatebau: German-headquartered specialist in valves, measurement, and control systems, with a substantial diaphragm valve portfolio (including sterile and aseptic variants) directly competing with ASEPCO in biopharma and aseptic processing. Both companies focus on high-purity fluid handling for regulated industries.

Broad incumbents

• Alfa Laval AB: Global process-equipment incumbent offering a broad range of sanitary valves, pumps and heat exchangers to pharma, food, biotech and dairy customers; competes with ASEPCO across the same fluid-path use cases as part of a much larger portfolio.
• GEA Group AG: Major process-equipment supplier to pharma, biotech and food industries with a sanitary valve offering (including diaphragm-based aseptic valves) that overlaps with ASEPCO's bioprocessing focus within a much larger separation and homogenization portfolio.
• Dover Corporation (PSG): Dover's PSG unit supplies sanitary, diaphragm and high-purity pumps and valves used in pharmaceutical and biotech process lines, offering broader-incumbent alternatives to ASEPCO's aseptic valve solutions.
• IDEX Corporation: IDEX owns several specialty fluidics brands (Hale Hamilton, Knight, Warren Rupp) that serve biopharma and process applications, giving it broad-incumbent exposure comparable to ASEPCO's niche in regulated aseptic fluid handling.
• Emerson Electric (Aspen Tech / Flow Control): Through its automation and flow-control franchises (formerly including ASCO), Emerson supplies process valves, instrumentation and control products used in pharma and biotech process lines where ASEPCO valves are integrated.
• SPX FLOW (now part of Ingersoll Rand): SPX FLOW/now under Ingersoll Rand's Precision Fluid & Material Handling platform markets diaphragm and mixproof valves alongside pumps and separators in biopharma and aseptic processing, providing broader incumbent competition.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/c/WatsonMarlowFluidTechnologySolutions
• LinkedInlinkedin.com/company/asepco

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 ASEPCO Corp