Product quality is a top priority at HKS. The following lists all certificates and approvals that the HKS Group has.
1. ISO Certificates
2. Manufacturer Approvals
AD2000 HP0 and DIN EN ISO 3834-2
Pressure Equipment Directive 2014/68/EU
ASME U-Stamp / U-Designator
Welding Approvals (Marine/Offshore)
HKS-DE_Welding workshop approval certificate - Piping systems - Expansion joints (EN)
See now (85.5 KiB)
HKS-CZ_Welding workshop approval certificate - Piping systems - Expansion joints (EN)
See now (193.5 KiB)
Manufacturing of Metal Expansion Joints, Hoses, Fire Resistant Hoses (Marine/Offshore)
Recognition for BV Mode II Scheme - Production of expansion joints, flexible hoses and exhaust gas silencers
See now (569.2 KiB)
Assembling of type approved bellows with pipe connections - rubber expansion joints type NBR.pdf
See now (119.4 KiB)
3. Type Approvals
American Bureau of Shipping
Certificate of design assessment – hose assemblies (starting air hose and flame resistant PTFE hose assemblies)
See now (1.1 MiB)
American Bureau of Shipping (LNG)
Certificate of design assessment - expansion joints for LNG types AN, AF, AM, AP, RM, WN
See now (1.4 MiB)
Bureau Veritas
Type approval certificate – Double-wall metallic expansion joints/bellows (AD)
See now (576.5 KiB)
Type approval certificate - stainless steel hoses assemblies for fuel oil, lub and hydraulic oil, water, air type SZ
See now (578.7 KiB)
Bureau Veritas (LNG)
Type approval certificate - expansion joints for liquefied gas piping systems types AM/AP-RR, AM/AP-VV, AM/AP-FF, AM/AP-DD
See now (578.8 KiB)
DNV GL
Type approval certificate - flame resistant PTFE hose assemblies with fire proof sleeve
See now (181.2 KiB)
Type approval certificate - flexible hoses of metallic material with permanently fitted couplings type SZ
See now (115.9 KiB)
MED 2014/90/EU - module B - corrugated PTFE hose assembly with outside fire sleeve for pipes conveying oil or fuel oil
See now (205.9 KiB)
Deutscher Verein des Gas- und Wasserfaches
Type examination certificate - corrugated hose conducting for gas supply types SE, SO (EN)
See now (203.1 KiB)
Baumusterprüfzertifikat - ringgewellte Gasschlauchleitungen Typen SE, SO (DE)
See now (200.9 KiB)
Type examination certificate - stainless steel expansion joints for gas supply types AN, AM, AF (EN)
See now (187.9 KiB)
Baumusterprüfzertifikat - Edelstahl-Kompensatoren für die Gasversorgung Typen AN, AM, AF (DE).pdf
See now (182.4 KiB)
Lloyd's Register
Marine design appraisal document - stainless steel exhaust gas expansion joints
See now (381.3 KiB)
Design appraisal document - stainless steel multy layers expansion joints types AN, AF, AM, AP, RM, WN
See now (230.9 KiB)
Type approval certificate extension - stainless steel exhaust gas expansion joints for marine and offshore systems types AN, ANX, AF, AFX, AM, AP, APX
See now (381.3 KiB)
Type approval certificate extension - corrugated PTFE hose with wire braid reinforcement and outside fire sleeve for fuel oil system
See now (337.0 KiB)
Marine design appraisal document - corrugated PTFE hose assembly with outside fire sleeve for fuel oil system
See now (223.6 KiB)
Type approval certificate - stainless steel multiple layer expansion joints for LNG/LPG cargo piping systems and Reformat systems
See now (825.6 KiB)
Type approval certificate - expansion joint for marine and offshore systems types AN, ANX, AF, AFX, AM, AP, APX
See now (748.0 KiB)
LLOYD'S REGISTER (LNG)
Type approval certificate - stainless steel multiple layer expansion joints for metallic LNG/LPG cargo piping systems types AN, AF, AM, AP, RM, WN
See now (91.5 KiB)
RINA
Type approval certificate - expansion joints for gas fueled ship and liquefied gas carrier type AD
See now (339.3 KiB)
Type approval certificate - metallic flexible hoses for gas fueled ship and liquefied gas carrier types SE, SZ
See now (338.1 KiB)
Type approval certificate - metallic flexible hoses for steam, condensate, compressed air, fresh and sea water type SZ
See now (344.4 KiB)
Type approval certificate - non metallic flexible hoses for fuel oil, lub and hydraulic oil, water, air
See now (340.2 KiB)
Type approval certificate - expansion joints for application in piping system of pipe class I, II and III types AN, AF, AM, AP, APX, RM, WN
See now (334.9 KiB)
Type approval certificate - rubber expansion joints for air, lubricating oil, fresh and sea water types GS, RS
See now (337.6 KiB)
RINA (LNG)
Type approval certificate - expansion joints for metallic LNG/LPG cargo and gas fuel piping system types AN, AF, AD, AM, AP, RM, WN
See now (237.2 KiB)