BESA

What BESA does

BESA Ing. Santangelo S.p.A. is a privately held Italian manufacturer of pressure safety relief valves, founded in 1946 and headquartered in Settala, Milan, Italy. The company designs, manufactures, and tests safety valves intended to discharge aeriform and liquids in compliance with European directives, producing a comprehensive product range across threaded (139, 240F, 249 series), flanged (130, 240, 250, 260, 280, 290 series), high-pressure, API 526-compliant, and PFA-lined/coated (240, 271 series) configurations. Materials of construction span cast iron, carbon steel, alloy steel, and stainless steel, with set-pressure ranges from 0.2 to 500 bar and connection sizes from DN 1/4" threaded to DN 250 flanged. The portfolio also includes accessories such as balancing bellows, pneumatic actuators, heating jackets, and a QR-code-based BESA ID traceability system introduced from 2022.

The company serves a diversified industrial customer base across energy, chemical, petrochemical, pharmaceutical, naval, cryogenic, and boiler-manufacturing sectors, with growing emphasis on hydrogen applications. Commercial coverage is global, supported by an extensive certification stack (CE PED, CE ATEX, EAC, UKCA, plus marine type approvals from RINA, DNV GL, Bureau Veritas, and Lloyd's Register) and a multilingual website available in eight languages. BESA operates a direct sales motion supplemented by an online quotation form and valve configurator, and maintains a proprietary Document Management System (DMS) for registered customer access to technical and commercial documentation. Its formal partnerships include certification bodies (ICIM as Notified Body), classification societies (RINA, DNV GL, Bureau Veritas, Lloyd's Register), and Coi Technology for solid-bar valve products.

BESA is an independently owned company with paid-up capital of EUR 500,000 and a headcount of 11-50 employees. Revenue figures are not publicly disclosed. The business model centers on engineered, quote-based one-time product sales with an aftermarket spare-parts program covering multi-year operational intervals across all valve series. Distribution is direct to enterprise customers, with technical engineering support for sizing, selection, and commissioning provided throughout the customer lifecycle from quotation through to placing in operation.

Name

BESA

Legal name

BESA Ing. Santangelo S.p.A.

Website

https://besa.it

Company type

Private

Founded year

1946

Operating status

Operating

Headcount range

11–50 employees

Short description

BESA Ing. Santangelo S.p.A. is a privately held Italian manufacturer of pressure safety relief valves, founded in 1946 and based in Settala (Milan), serving energy, chemical, petrochemical, pharmaceutical, naval, cryogenic, boiler, and hydrogen applications through direct sales of PED/ATEX/marine-certified products.

Ownership category

akta.pro rank

Product category

Industrial Safety Valves

NAICS

Industrial Valve Manufacturing (332911), Metal Valve Manufacturing (33291)

SIC

Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Process Safety & Relief Systems (Flare Systems, PRVs, Explosion Protection) (IMAHAEAL)

akta.pro secondary industries

Pressure Management & Overpressure Protection (Regulators, Relief Valves, OPS) (EUAJADAF), Seals, Valves & Auxiliary Components (for Pumps/Compressors) (IMAHANAH)

Keywords

• Safety relief valves
• Pressure relief valves
• Industrial valve manufacturing
• API 526 valves
• PFA lined valves

Headquarters

HQ city

Milan

HQ country

Italy

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Safety Valve Product Sales: BESA manufactures and sells pressure safety relief valves across multiple series (threaded, flanged, high pressure, API 526, PFA lined/coated). Revenue generated from direct product sales to industrial customers in energy, chemical, petrochemical, pharmaceutical, naval and cryogenic sectors. Sales supported by technical sizing and configuration services.
2. Spare Parts Sales: Comprehensive spare parts program including kits for 2-year and 5-year operation intervals, as well as complete valve component packages. Parts available for all valve series including 131, 132, 139, 241, 242, 249, 271, 281, 282, 291, 292 series.
3. Technical Support Services: Engineering and technical support services including valve sizing, selection assistance, installation guidance, and commissioning support. Technical team provides custom sizing for specific applications.

Pricing tiers

Go-to-market motion2 records

Distribution channels1 record

Marketing channels6 records

Core offering

BESA designs, manufactures, and tests pressure safety relief valves (PSV/PRV) for industrial customers. The product portfolio includes threaded, flanged, high-pressure, API 526 compliant, and PFA lined/coated safety valves in multiple sizes (DN 1/4" to DN 250) and pressure ratings (0.2 to 500 bar). The company also produces custom special executions and solid bar valves via its Coi Technology division, supported by spare parts and technical sizing/selection services.

Product overview

BESA is an historic Italian manufacturer of safety relief valves founded in 1946, producing a comprehensive portfolio of pressure relief devices designed to discharge aeriform and liquids in accordance with European directives. The product range centers on three main valve types: Threaded Safety Valves (139, 240F, 249 series), Flanged Safety Valves (130, 240, 250, 260, 280, 290 series), and High Pressure Safety Valves, all available in multiple configurations (semi or full nozzle) with various material constructions (cast iron, carbon steel, alloy steel, stainless steel). The portfolio includes API 526 compliant valves (280, 290 series) for international standards and PFA lined/coated valves (240, 271 series) for corrosive chemical applications. BESA also offers Special Executions for custom requirements and Coi Technology (solid bar construction) as specialized variants. Supporting these physical products is a proprietary Document Management System (DMS) for customer documentation access and an online quotation/configurator system for ordering. The company serves diverse industrial sectors including energy, chemical, cryogenic, pharmaceutical, naval, petrochemical, and boiler manufacturing.

Differentiator

Problem solved

Functional benefit

Products and services

• Threaded Safety Valves (139, 240F, 249 series) Threaded safety relief valves with GAS/NPT connections from DN 1/4" to DN 2", available with semi or full nozzle. Standard materials include cast iron, carbon steel, and stainless steel. Set pressure range from 0.25 to 500 bar. Certified to PED, ATEX, EAC, RINA, G.L., and B.V. Sold to industrial customers in energy, chemical, and petrochemical sectors.
• Flanged Safety Valves (130, 240, 250, 260, 280, 290 series) Flanged safety relief valves with EN/ANSI connections from DN 15 (1/2") to DN 250 (10"), available with semi or full nozzle. Materials include cast iron, carbon steel, alloy steel, and stainless steel. Set pressure range from 0.2 to 400 bar. Certified to PED, ATEX, EAC, RINA, G.L., and B.V. Sold to industrial customers in energy, chemical, and petrochemical sectors.
• High Pressure Safety Valves (139, 249, 250, 260, 280, 290 series) High pressure safety relief valves with EN/ANSI flanged connections from DN 25 (1") to DN 200 (8") and GAS/NPT threaded connections from DN 1/4" to DN 1". Available with semi or full nozzle in carbon steel, alloy steel, or stainless steel. Set pressure range from 0.25 to 500 bar. Certified to PED, ATEX, EAC, and RINA. Sold to industrial customers in petrochemical, oil and gas, and power sectors.
• API 526 Safety Valves (280, 290 series) Safety relief valves compliant with API 526 standard, with ANSI B16.5 flanged connections from DN 1" to DN 8" and full nozzle configuration. Materials include carbon steel, alloy steel, and stainless steel. Set pressure range from 0.5 to 300 bar. Certified to PED and ATEX. Sold to international oil and gas, petrochemical, and refining customers requiring API compliance.
• PFA Lined and Coated Safety Valves (240, 271 series) PFA (perfluoroalkoxy) lined or coated safety valves for highly corrosive chemical environments. Flanged connections from DN 25 (1") to DN 150 (6"). Set pressure range from 0.2 to 16 bar. PFA lining (271 series) provides thick chemical resistance barrier; PFA coating (240 series) offers lighter, more flexible protection. Sold to chemical processing, pharmaceutical, and aggressive fluid handling customers.
• Special Executions (Custom Valves) Custom-made safety valves designed and manufactured to meet special customer requirements and specifications, including unique configurations, materials, and dimensions outside the standard product range. Sold to industrial customers requiring tailored pressure protection solutions.
• Coi Technology Solid Bar Valves Safety valves constructed from solid bar stock as an alternative to cast manufacturing, providing enhanced durability for demanding applications. Offered under the Coi Technology brand/division in partnership with Coi Technology. Sold to industrial customers requiring robust, machined-from-bar valve bodies.
• Safety Valve Spare Parts Spare parts program offering replacement kits for 2-year and 5-year operation intervals and complete valve component packages for all valve series (131, 132, 139, 241, 242, 249, 271, 281, 282, 291, 292 series). Sold to existing BESA valve owners for scheduled maintenance and overhaul.
• Technical Sizing and Engineering Support Engineering and technical support services including valve sizing, selection assistance, installation guidance, and commissioning support provided by BESA's technical team. Provided to industrial customers from quotation request through to placing valves in operation.

Quantifiable outcome

• BESA safety valves are designed to not exceed the maximum pressure increase allowed, even if all other autonomous safety devices installed upstream have failed
• +1 more outcomes

Named customers1 record

Segments7 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature9 records

Partnerships

Six partnerships are on record, tiered supporting and core.

• Coi TechnologysupportingTechnology or IntegrationCoi Technology is a technology partner providing solid bar technology for BESA safety valves. BESA links to Coi Technology catalogue on their website for solid bar valve products. The partnership appears to focus on specialized manufacturing technology for certain valve configurations.
• ICIMcoreOthersICIM is the Notified Body that certifies BESA products under the Pressure Equipment Directive (PED 2014/68/EU) and ATEX Directive (2014/34/EU). ICIM conducts audits, product certifications, and ongoing monitoring of BESA's quality management system. BESA maintains a formal relationship with ICIM for regulatory compliance certification.
• RINAcoreOthersRINA is a major classification society that provides type approval and certification for BESA safety valves, particularly for marine and naval applications. BESA is recognized as a manufacturer by RINA. RINA certification is essential for BESA to serve the naval and maritime sectors.
• DNV GLcoreOthersDNV GL (now DNV) is a classification society providing certification and type approval for BESA safety valves. Certification is important for offshore, marine, and maritime applications. BESA products hold DNV type approval.
• Bureau VeritascoreOthersBureau Veritas provides certification services for BESA safety valves. The BV certification supports BESA's presence in marine, offshore, and industrial markets globally.
• Lloyd's RegistercoreOthersLloyd's Register (LR) is a classification society providing certification for BESA safety valves, supporting the company's marine and offshore business. LR certification confirms compliance with maritime safety standards.

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Kitz Corporation: Japanese valve manufacturer with a broad industrial valve portfolio including safety relief valves for chemical, petrochemical, and power applications. Comparable to BESA in safety valve offering, though operating at substantially larger scale and broader product breadth.
• Apollo Valves (Conbraco Industries): US manufacturer of industrial valves including safety relief valves for plumbing, HVAC, and industrial process applications. Comparable to BESA in safety relief valve manufacturing with overlapping end markets, though with a stronger North American focus.
• Bonetti Valvole: Italian manufacturer of safety relief valves serving chemical, petrochemical, and process industries. Closest geographic peer to BESA, competing head-to-head in the domestic Italian and European process-industry safety valve market.
• LESER GmbH: German specialist safety relief valve manufacturer serving chemical, petrochemical, oil & gas, and power industries globally. Direct comparable to BESA given single-category focus on PSVs, similar European heritage, and overlapping PED/API certified product range.
• Bopp & Reuther Sicherheitsventile: German manufacturer of safety relief valves with a heritage similar to BESA, serving European process industries including chemical, petrochemical, and power. Comparable as a similarly-sized European specialist competing in the same PSV niche.
• Velan Inc. Canadian-headquartered manufacturer of industrial valves including a substantial safety relief valve portfolio serving oil & gas, chemical, power, and marine. Comparable to BESA given overlapping product category, similar end-market verticals, and API/PED certified product lines.

Broad incumbents

• Watts Water Technologies: Global manufacturer of water and plumbing products including safety relief valves for boiler and pressure-system protection. Comparable to BESA in safety relief valve category, particularly for boiler and pressure-vessel end uses, though with broader product diversification.
• Emerson (Anderson Greenwood & Crosby): Emerson owns Anderson Greenwood and Crosby, two of the most recognized safety relief valve brands globally with broad API 526/PED portfolios. Comparable to BESA as the leading global incumbent in BESA's exact product category, though operating at much larger scale.
• Weir Group (ESCO Valves): Weir is a global mining and process-industry equipment group with valve offerings for oil & gas and industrial markets. Comparable as a broad incumbent with overlapping safety/relief valve exposure, though its core focus lies upstream.
• Curtiss-Wright (Farris Engineering): Curtiss-Wright's Farris Engineering division is a long-established safety relief valve manufacturer serving oil & gas, chemical, and power markets. Comparable to BESA as a competing specialist PSV brand within a larger diversified industrial group.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/besa-ing-santangelo-s-p-a-
• Instagraminstagram.com/besavalves
• Facebookfacebook.com/besasafetyvalves

Compliance9 records

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 BESA