Quality management STENFLEX® performance promise

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Outstanding quality around the world

In order to guarantee high and reliable product and service quality in the global market for our customers both today and in the future, STENFLEX® puts great emphasis on fully certified quality management. With outstanding results: Approval bodies and independent testing institutes around the world have confirmed the first-rate quality of STENFLEX® products.

Icon with quality badge and thumbs up representing functional benefitsA consistently high level

STENFLEX® has all major national and international manufacturer certificates, type approvals and special certificates of competence. Our production processes are based on the ISO 9001:2015 quality management system, which has been in use throughout our organisation for a number of years now.

Icon with globe in orange and grey representing global orientationSuitable for applications around the world

STENFLEX® flexible pipe connections are designed and dimensioned in accordance with national and international regulatory standards.

Icon with award badge and star representing quality and reliabilityYou can rely on us for:

  • High quality awareness
  • Globally recognised certifications
  • International cross-industry approvals
  • Most STENFLEX® type series have been approved in accordance with DIN4809 and KTA 1401 and are subject to the European Pressure Equipment Directive

Certified quality management system in accordance with:

TÜV SÜD certification EN ISO 9001:2015 for quality management

EN ISO 9001:2015

Management service
Quality seal

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VGB PowerTech certification for power plant engineering

VGB Powertech

Certified for nuclear facilities
Suitability approval for quality assurance Approval according to KTA 1401

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CE marking according to pressure equipment directive

CE-marking

Tested according to pressure equipment directive

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DIN tested certification according to DIN 4809 with registration number

DIN approved

Tested for DIN 4809
registered number: 3 E002

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Classification and certification bodies:

ABS certification for component testing and approvals

ABS

Type Approvals
China Classification Society certification for component testing

China Corporation Register of Shipping

Type Approvals

Bureau Veritas

Type Approvals

Korean Register certification for component testing

Korean Register of Shipping

Type Approvals
OFI Technology & Innovations certification for drinking water and elastomers

OFI Technologie & Innovations GmbH

  • DVGW Worksheet W270 for potable water 
  • Guideline for hygienic assessment of elastomers in contact with drinking water (Elastomer Guideline)
DNV GL certification for component testing

Det Norske Veritas

Type Approvals

DVGW certification for gas supply products

DIN DVGW

Certified for gas supply products
Lloyd’s Register certification for component testing

Lloyd’s Register

Type Approvals
ACS certification for drinking water approval

ACS

Certified for drinking water
RINA certification for component testing in maritime applications

Registro Italiano Navale

Type Approvals
WRAS certification for drinking water approval

WRAS

Certified for drinking water
Russian Maritime Register certification for component testing

Russian Maritime Register of Shipping

Type Approvals
FDA approval for food contact materials

FDA

Certified for foods
China Classification Society (CCS) component testing

CCS (China Classification Society)

Type Approvals
DIN GOST TÜV certification according to GOST-R/TR

DIN GOST TÜV

Certification GOST–R/TR
MED approval for marine applications and fire protection

MED

Certified for the shipping industry (protection against fire)
TÜV Rheinland DIN CERTCO certification according to DIN 4809

TÜV Rheinland DIN CERTCO

in accordance with DIN 4809
Nippon Kaiji Kyokai (ClassNK) component testing

Nippon Kaiji Kyokai

Type Approvals
TÜV Anlagen und Umwelt radiation resistance testing

TÜV Anlagen und Umwelt

Testing for radioresistance
Türk Loydu component testing

Türk Loydu

Type Approvals

Our registered trademark stands for quality:

Word and figurative mark

from STENFLEX®

word mark

from STENFLEX®