Supplier system certifications
- ISO 9001 — Quality management systems
- API Q1 — Quality management system for petroleum and natural gas industries
EB TECHFLOW
The flow of experience.
Your technical and commercial partner for industrial sourcing between Europe and China.
About us
30+
Years of founder’s valve industry experience
13Years managing valve operations in China
Experience that stays with you.
We bring technical understanding to every purchasing decision. Based in Changshu, EB TECHFLOW connects European and international businesses with an established network of industrial suppliers in China.
Our founder brings more than 30 years of experience in the valve industry, including 13 years managing valve operations in China. That experience in design, materials, production and quality is at the heart of our work.
Ernesto Biffi, Founder & General Manager
Sectors we serve
- Oil & Gas
- Petrochemical
- Chemical
- Food & beverage
- Water treatment
- Power generation
- Ceramic
- Fire protection
- Hydrogen
- General industry
Our supply chain
A consolidated supply chain, built over years of collaboration.
We do not search for suppliers. We work with a consolidated supply chain built over years of collaboration in the valve industry. Our suppliers are historical partners, customised to our specific needs, and already qualified to serve the Oil & Gas, petrochemical and industrial sectors.
For every product and service we offer, we have 3-4 consolidated suppliers, each selected and qualified over years of collaboration.
Supplier product certifications
- PED 2014/68/EU — Pressure Equipment Directive
- API 6D — Specification for pipeline and piping valves
- ATEX 2014/34/EU — Equipment for explosive atmospheres
Audited and qualified
Our suppliers are audited and qualified to serve the Oil & Gas, petrochemical, chemical, food & beverage, water treatment, power generation, ceramic, fire protection and hydrogen sectors.
Inside our supply chain
From raw material to complete valve.
A closer look at the production process across our supply chain. Follow the sequence from heating and forming to machining, testing and assembly.
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Heating
Products
Built around your requirements.
From a single component to a complete valve package. We supply both complete valves and components, customised to your specific requirements.
Our range covers everything from commodity valves for general use to valves for demanding services in terms of temperature, fluids and high pressure.
Complete valves
Ball, gate, globe, check and butterfly valves, sourced and coordinated to your specifications. Compliant with API 6D, API 598, API 602, ISO 15761.
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Actuation & accessories
Pneumatic, electric and hydraulic actuators, with the accessories needed for a complete assembly.
Enquire about this productValve components
Bodies, balls, seats, stems, castings, forgings, seals and bolting. Your complete bill of materials.
Enquire about this productProcess instrumentation
Pressure, temperature, flow and level instruments, control systems and electrical panels.
Enquire about this productTesting & inspection
Valve test benches and non-destructive testing equipment for UT, MT, PT and VT methods.
Enquire about this productMarking systems
Laser and dot peen marking, nameplates, tags and identification accessories.
Enquire about this productIndustrial equipment
Heat exchangers, reactors, tanks, pumps, compressors, filters and separators.
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One order. A complete package.
Share your specifications. We coordinate the components, quality checks and delivery.
Not sure which solution fits your application? Our 30 years of experience in valve design, materials and testing are at your disposal. We support you in selecting the best solution for your specific service conditions.
Discuss your applicationMaterials & standards
Materials & standards.
We work with the main international standards for valves, components and materials. Our supply chain is qualified for both forged and cast components.
Forged materials
- Carbon steel: ASTM A105, ASTM A350 LF2
- Alloy steel: ASTM A182 F5, F9, F11, F22
- Stainless steel: ASTM A182 F304, F304L, F316, F316L, F321, F347
- Duplex & super duplex: F51, F53, F55
- Nickel alloys: Inconel 625, Monel 400, Hastelloy C276
Cast materials
- Carbon steel: ASTM A216 WCB, A352 LCB
- Stainless steel: ASTM A351 CF8, CF8M, CF3M
- Duplex & super duplex: ASTM A890 4A, 5A, 6A
Valve standards
- API Spec 6D — Specification for valves
- API Std 598 — Valve inspection and testing
- API Std 602 — Gate, globe, and check valves for sizes DN 100 and smaller
- API Std 607 — Fire test for quarter-turn valves
- API Std 6FA — Fire test for valves
- ISO 10497 — Fire type-testing requirements
- ISO 15848 — Fugitive emissions measurement
- API Std 641 — Fugitive emissions for quarter-turn valves
- ISO 15761 — Steel gate, globe and check valves for sizes DN 100 and smaller
- ASME B16.34 — Valves: flanged, threaded and welding end
- ASME B16.10 — Face-to-face and end-to-end dimensions of valves
- ASME B16.5 — Pipe flanges and flanged fittings
- ASME B16.11 — Forged fittings, socket-welding and threaded
- ASME B16.25 — Buttwelding ends
Seat inserts & elastomers
- Plastics: PEEK, DEVLON, PTFE, RPTFE, POM, Nylon
- Elastomers: NBR, FKM, FFKM, EPDM, HNBR, Silicone
- Lip seals: PTFE, TFM, PEEK with Elgiloy spring
Coatings
ENP (Electroless Nickel Plating), Tungsten carbide, Chrome carbide, Stellite
Application range
- From general use (commodity valves) to demanding services:
- High temperature
- Low temperature (cryogenic)
- High pressure
- Corrosive fluids
- Sour service (NACE)
- Abrasive media
- Hydrogen service
Hydrogen service
Experience in hydrogen service.
We have experience with valves for hydrogen applications, including gaseous hydrogen (GH2) and liquid hydrogen (LH2). Our supply chain is qualified for the specific material and design requirements of hydrogen service.
Service conditions and damage mechanisms
- Low temperature applications
- Hydrogen environmental embrittlement (HEE) / hydrogen-induced cracking (HIC)
- High temperature hydrogen attack (HTHA)
- Hydrogen service with cyclic loads (fatigue)
Standards for hydrogen valves
- API 6D, 25th Edition, Addendum 2 — Annex M: Valves in Hydrogen Gas (H2) Service. Requirements for design validation, material specifications, supplemental acceptance testing, fire-safe certification and additional NDE.
- EN 18191:2026 — Industrial valves: additional requirements for metallic valves for hydrogen application
- ISO 19880-3:2018 — Gaseous hydrogen: fuelling stations: valves
- ASME B31.12 — Hydrogen piping and pipelines
- GB/T 45027-2024 — Liquid hydrogen valves: general specification
- JB/T 15277-2026 — Hydrogen cryogenic valves: technical specification
Inspection & testing
Inspection & testing.
Our personnel and partners are qualified to perform and coordinate inspections and testing according to international standards.
Non-destructive testing (NDE)
- UT — Ultrasonic testing (ASTM A388, ASME BPVC Section V)
- MT — Magnetic particle testing (ASME BPVC Section V)
- PT — Penetrant testing (ASME BPVC Section V)
- VT — Visual testing (MSS SP-55, API 6D)
- RT — Radiographic testing (ASME BPVC Section V)
Pressure testing
- Hydrostatic test (API 6D, API 598, ISO 5208)
- Pneumatic test (API 598, ISO 5208)
Special testing
- Fire safe test — API 607, API 6FA, ISO 10497
- Fugitive emissions test — ISO 15848, API 641
- Cryogenic test — ISO 28921-1:2022, BS6364
- Anti-static test — API 6D
- Torque test
Dimensional control
- Dimensional inspection according to drawings and specifications
- Marking verification
- Documentation review
Welding qualifications
ASME BPVC Section IX — Welding, brazing and fusing qualifications
Personnel qualifications
Personnel qualifications.
Our team includes personnel qualified to perform and coordinate inspections and testing:
NDE Level II
UT, MT, PT, VT — ISO 9712, ASNT SNT-TC-1A or equivalent
Welding inspection
CSWIP, IWI or equivalent
Quality management
ISO 9001 internal auditor
Dimensional control
Qualified inspectors for dimensional verification
Technical consulting
Valve design, materials, production processes
Services
Your team, on the ground.
Technical knowledge and local presence, working together for your project.
Industrial sourcing
Supplier selection, production follow-up and coordinated supply. Send your BOM and drawings; we manage the details.
Quality control
Supplier audits, in-process and pre-shipment inspections, NDE coordination and technical documentation.
Technical consulting
Our added value lies in our technical expertise. With more than 30 years of experience in valve design, materials and testing, we support you in selecting the best solution for your specific needs.
Operational & market support
Your operational presence in China, from supplier coordination to export logistics. European market support for Chinese suppliers.
The right solution for your service conditions.
We provide technical consulting on valve design, materials and production. Whether you need a commodity valve for general use or a valve for demanding services, we help you find the right solution.
- Valve design
- Ball valve design, floating and trunnion mounted, soft-seated and metal-seated
- Material selection
- Based on service conditions: temperature, pressure, fluids (corrosive, sour, abrasive)
- Production processes
- Forging, casting, machining, welding, heat treatment, coatings
- Testing requirements
- Hydrostatic, pneumatic, fire safe, fugitive emissions, cryogenic
- Compliance
- API, ISO, PED, ATEX standards
How we work
You provide
BOM, drawings, specifications.
We select
The right suppliers from our consolidated network.
We manage
Production, quality control, documentation, logistics.
You receive
A complete package, ready for assembly.
Our strengths
Why choose EB TECHFLOW
Technical expertise. A consolidated supply chain. Direct operational presence.
Technical expertise
30 years of experience in valve design, materials and testing. We help you select the best solution for your application.
Hydrogen experience
Experience with valves for hydrogen service, including material selection and design for HEE, HTHA and low-temperature applications.
Consolidated supply chain
Years of collaboration in the valve industry, with 3-4 qualified suppliers for every service.
Direct operational presence
Office in Changshu, Chinese staff working with us for years.
One order, complete package
We manage everything, you receive the full package.
Customised solutions
From commodity valves for general use to valves for demanding services in terms of temperature, fluids and high pressure.
Sector experience
Oil & Gas, petrochemical, chemical, food & beverage, water treatment, power generation, ceramic, fire protection, hydrogen.
Contact us
Let’s talk about your next project.
Tell us what you need. We’ll bring the experience, the suppliers and the local support.
We will provide a tailored proposal within 48 hours.
Ernesto BiffiFounder & General Manager
China office
Room 1401, Building A, International Trade Center No.12 Huanghe Road, Changshu Jiangsu Province, 215500, China