Authorizations and certificates

RTN Permits and certificates of compliance for our products:

Equipment description Certificate/ 
Permit ref.
Issued by Issued on Valid thru

Fittings for main pipelines with operation pressure rating up to 11.8 MPa and field pipelines with operation pressure rating up to 16 MPa

Spec. TU 1469-006-00153229-2009

Industrial Safety Expertize Conclusion No. 3861L-EPB-2019 Nondestructive Testing Laboratory NGB, LLC 24.05.2019 24.05.2029

Certificate of compliance
No. S-RTE.002.TU.00849

Rostechexpertize Association 30.05.2019 29.05.2024

Certificate of compliance
No. ROSS RU.AG66.07663 2213603

EuroTech, LLC 17.10.2016 16.10.2019
TR CU Certificate of compliance
No. TS RU S-RU.15..00957
RPN SFERA, LLC 24.05.2017 23.05.2022
TR CU Declaration of compliance No. RU D-RU.15..01975 EKC Rustechexpert, JSC 
expert and consultancy center
24.05.2017 23.05.2022

Fittings for Poper. up to 11,8 MPa  

Spec. TU 1469-006-00153229-2001

Industrial Safety Expertize Conclusion No. 3-15 RP
Reg. No. 11-TU-09856-2015
Priokskiy EKC, Noncommercial Partnership  29.10.2015 12.10.2020
Certificate of compliance
No. ROSS RU.AG66.07663 2213603
EuroTech, LLC 17.10.2016 16.10.2019
TR CU Certificate of compliance
No. TS RU S-RU.15..00957
RPN SFERA, LLC 24.05.2017 23.05.2022
TR CU Declaration of compliance No. RU D-RU.15..01975 EKC Rustechexpert, JSC 
expert and consultancy center
24.05.2017 23.05.2022

Fittings for main and field pipelines

Spec. TU 1469-035-00153229-2015

Conclusion No. 0879-EPB-2015 (Industrial Safety Expertize Conclusion)
Reg. No.11-TU-12342-2015
EKC Rustechexpert, JSC 
expert and consultancy center
16.10.2015 16.10.2020
Certificate of compliance 001553
No. S-RTE. 002.TU.00436
Rostechexpertize Association 19.11.2015 18.11.2020
Certificate of compliance
No. ROSS RU.AG66.07663 2213603
EuroTech, LLC 17.10.2016 16.10.2019
TR CU Certificate of compliance
No. TS RU S-RU.15..00957
RPN SFERA, LLC 24.05.2017 23.05.2022
TR CU Declaration of compliance No. RU D-RU.15..01975 EKC Rustechexpert, JSC 
expert and consultancy center
24.05.2017 23.05.2022
Fittings for pipelines  

Spec. TU 1469-040-00153229-2017
TR CU Certificate of compliance
No. TS RU S-RU.15..00957
RPN SFERA, LLC 24.05.2017 23.05.2022
TR CU Declaration of compliance No. RU D-RU.15..01975 EKC Rustechexpert, JSC 
expert and consultancy center
24.05.2017 23.05.2022

Fittings for main and process oil& oil product lines, diameter from 159 to 426 mm and operating pressure up to 9.8 MPa inclusive

Spec. TU 24.20.40-051-00153229-2018

Industrial Safety Expertize Conclusion No. 2848L-EPB-2018 Nondestructive Testing Laboratory NGB, LLC 22.05.2018 21.05.2023
Certificate of compliance 002729 
No. S-RTE. 002.TU.00764
Rostechexpertize Association  21.06.2018 20.06.2023
TR CU Declaration of compliance No. RU D-RU.M02..00018 EKC Rustechexpert, JSC
expert and consultancy center
18.06.2018 17.06.2023

Stabilizer couplings for main pipelines with operation pressure rating up to 11.8 MPa and field pipelines with operation pressure rating up to 16MPa

Spec. TU 1469-018-00153229-2010

Conclusion No.0886R-EPB-2015 (Industrial Safety Expertize Conclusion)
Reg. No.11-TU-12349-2015
EKC Rustechexpert, JSC 
expert and consultancy center
16.10.2015 16.10.2020
Certificate of compliance 001556
No.S-RTE. 002.TU.00437
Rostechexpertize Association  19.11.2015 18.11.2020
Certificate of compliance
No. ROSS RU.AG66.07663 2213603
EuroTech, LLC 17.10.2016 16.10.2019

Steel welded couplings for gas pipelines repair

Spec. TU 1469-015-00153229-2012

Certificate of compliance
No. ROSS RU.AG66.07663 2213603
EuroTech, LLC 17.10.2016 16.10.2019
TR CU Declaration of compliance No. RU D-RU.15..02275 EKC Rustechexpert, JSC 
expert and consultancy center
14.11.2017 13.11.2022

Manholes for main gas pipelines with operation pressure rating up to
11.8 MPa

Spec. TU 1469-019-00153229-2012

Certificate of compliance
No. ROSS RU.AG66.07663 2213603
EuroTech, LLC 17.10.2016 16.10.2019
Certificate of compliance 002989 
No.S-RTE. 002.TU.00828
Rostechexpertize Association 26.03.2019 25.03.2024
TR CU Declaration of compliance No. RU D-RU.M02..00167/19 EKC Rustechexpert, JSC  
expert and consultancy center
28.03.2019 27.03.2024
TR CU Certificate of compliance 
No. RU S-RU.M02..00072/19
Bryansk Certification Agency, LLC 12.04.2019 11.04.2024
Industrial Safety Expertize Conclusion No. 3601L-EPB-2019 Nondestructive Testing Laboratory NGB, LLC 26.03.2019 26.03.2029

Pipeline spools and assemblies for main pipelines with operation pressure rating up to 11.8 MPa and field pipelines with operation pressure rating up to 16 MPa

Spec. TU 1469-020-00153229-2012

Certificate of compliance
No. ROSS RU.AG66.07663 2213603
EuroTech, LLC 17.10.2016 16.10.2019
Seamless welded piping spools, carbon and low-alloyed steel. Adapters  

GOST 17378-2001
TR CU Certificate of compliance
No. TS RU S-RU.15..00957







TR CU Declaration of compliance No. RU D-RU.15..01975
RPN SFERA, LLC










EKC Rustechexpert,
JSC
expert and consultancy center
24.05.2017











24.05.2017
23.05.2022











23.05.2022
Piping parts and spools for TPPs, Pop<2.2 MPa (22 kgf/cm 2 ), t<=425º. Laminar steel adapters  

OST 34.10.753-97
Seamless welded piping spools, carbon and low-alloyed steel. Elliptic caps  

GOST 17379-2001
Flanges for valves, fittings and piping for nominal pressure up to PN 250  

GOST 33259-2015

Steel welded pieces for main lines, Pn up to 10.0 MPa (100 kgf/cm2): forged short-radius bends. Dimensions

OST 102-56-81

Industrial Safety Expertize Conclusion No. 2848L-EPB-2018 Nondestructive Testing Laboratory NGB, LLC 22.05.2018 21.05.2023
Certificate of compliance 002729 
No. S-RTE. 002.TU.00764
Rostechexpertize Association 21.06.2018 20.06.2023
TR CU Declaration of compliance No. RU D-RU.M02..00018 EKC Rustechexpert, JSC  
expert and consultancy center
18.06.2018 17.06.2023

Carbon steel welded pieces for Dn 500-1400 mm pipelines, Pn < 2.5 MPa (~25 kgf/cm2): forged bends R=1.5 Dn, angle 90

OST 36-20-77

TR CU Declaration of compliance No. RU D-RU.M02..00018 EKC Rustechexpert, JSC  
expert and consultancy center
18.06.2018 17.06.2023

Carbon steel welded pieces for Dn 500-1400 mm pipelines, Pn < 2.5 MPa (~25 kgf/cm 2)

OST 36-23-77

Seamless welded piping pieces of carbon and low-alloyed steel: 3D type forged short-radius bends (R~1,5 DN). Construction

GOST 17375-2001
Seamless welded piping pieces of carbon and low-alloyed steel: 2D type forged short-radius bends (R~DN). Construction

GOST 30753-2001
Seamless welded piping pieces of carbon and low-alloyed steel: T-pieces. Construction  

GOST 17376-2001
Swagelock end gates/ valves  

Spec. TU 28.99.39.190-025-00153229-2017  

Spec. TU 28.99.39.190-050-00153229-2017
TR CU Certificate of compliance
No. TS RU S-RU.15..01111
RPN SFERA, LLC 20.11.2017 19.11.2022
TR CU Declaration of compliance No. RU D-RU.15..02286 EKC Rustechexpert, JSC 
expert and consultancy center
20.11.2017 19.11.2022
Gas line cleaning and diagnostics device launchers and receivers 

Spec. TU 3689-041-00153229-2016
TR CU Certificate of compliance
No. TS RU S-RU.15..00692
RPN SFERA, LLC 05.08.2016 04.08.2021
TR CU Declaration of compliance No. RU D-RU.15..01456   EKC Rustechexpert, JSC 
expert and consultancy center
05.08.2016 04.08.2021
Oil line cleaning and diagnostics device launchers and receivers
DN 150-1200 inclusive; operation pressure rating up to 15.0 MPa  

Spec. TU 3689-033-00153229-2016
TR CU Declaration of compliance No. RU D-RU.15..01456 EKC Rustechexpert, JSC 
expert and consultancy center
05.08.2016 04.08.2021
TR CU Declaration of compliance No. RU D-RU.15..01406 EKC Rustechexpert, JSC 
expert and consultancy center
14.07.2016 13.07.2021

Pipeline manholes

Spec. TU 3689-038-00153229-2016

Conclusion No. 1211-EPB-2016 (Industrial Safety Expertize Conclusion)  

Certificate of compliance
No. S-RTE. 002.TU.00562
EKC Rustechexpert, JSC 
expert and consultancy center


Neftegazbezopasnost, LLC
18.04.2016 




24.06.2016
18.04.2021  




23.06.2021
Underground air eliminator covers and manholes  

Spec. TU 3689-039-00153229-2016

Edge-raised elliptic steel bottom pieces for vessels, apparatus and boilers

GOST 6533-78

TR CU Certificate of compliance No. TS RU S-RU.15..00956 RPN SFERA, LLC 24.05.2017 23.05.2022
TR CU Declaration of compliance No. RU D-RU.15..01974 EKC Rustechexpert, JSC 
expert and consultancy center
24.05.2017 23.05.2022

Steel welded vessels

Spec. TU 51-295-2012

TR CU Declaration of compliance No. RU D-RU.15..00511 EKC Rustechexpert, JSC 
expert and consultancy center
13.03.2015 12.03.2020
TR CU Declaration of compliance No. RU D-RU.15..00508 EKC Rustechexpert, JSC 
expert and consultancy center
12.03.2015 11.03.2020
TR CU Certificate of compliance
No. TS RU S-RU.15..00214
RPN SFERA, LLC 12.03.2015 11.03.2020

Double-wall steel welded vessels

Spec. TU 3615-022-00153229-2012

TR CU Declaration of compliance No. RU D-RU.15..00572 EKC Rustechexpert, JSC 
expert and consultancy center
31.03.2015 30.03.2020
TR CU Declaration of compliance No. RU D-RU.15..00573 EKC Rustechexpert, JSC 
expert and consultancy center
31.03.2015 30.03.2020
TR CU Certificate of compliance
No. TS RU S-RU.15..00249
RPN SFERA, LLC 31.03.2015 30.03.2020

Foreign particle filters

Spec. TU 3683-028-00153229-2016

TR CU Declaration of compliance No. RU D-RU.15..01427 EKC Rustechexpert, JSC 
expert and consultancy center
26.07.2016 25.07.2021
TR CU Declaration of compliance No. RU D-RU.15..01428 EKC Rustechexpert, JSC 
expert and consultancy center
26.07.2016 25.07.2021

Gas filters

Spec. TU 3615-034-00153229-2013

TR CU Declaration of compliance No. RU D-RU.M02..00168/19 EKC Rustechexpert, JSC 
expert and consultancy center
29.03.2019 28.03.2024
TR CU Certificate of compliance
No. TS RU S-RU.15..00236
RPN SFERA, LLC 27.03.2015 12.03.2020

Dust arresters

Spec. TU 51-297-2010

TR CU Declaration of compliance No. RU D-RU.15..00776 EKC Rustechexpert, JSC 
expert and consultancy center
11.06.2015 10.06.2020
TR CU Certificate of compliance
No. TS RU S-RU.15..00351
RPN SFERA, LLC 11.06.2015 10.06.2020

Separation treatment skids.
Vortex gas separators

Spec. TU 3683-023-00153229-2013

TR CU Certificate of compliance
No. TS RU S-RU.15..00213
RPN SFERA, LLC 12.03.2015 11.03.2020

Shell& tube heat exchangers

Spec. TU 3612-024-00153229-2013

TR CU Declaration of 
compliance No. RU D-RU.15..00166/18
EKC Rustechexpert, JSC  
expert and consultancy center
21.12.2018 20.12.2023
TR CU Declaration of 
compliance No. RU D-RU.15..01578
EKC Rustechexpert, JSC  
expert and consultancy center
25.10.2016 24.10.2021
TR CU Certificate of compliance
No. TS RU S-RU.15..00776
RPN SFERA, LLC 25.10.2016 24.10.2021

Gas heaters

Spec. TU 3696-004-00153229-2014

TR CU Declaration of compliance No. RU D-RU.15..01542 EKC Rustechexpert, JSC 
expert and consultancy center
29.09.2016 28.09.2021
TR CU Certificate of compliance
No. TS RU S-RU.15..00411
RPN SFERA, LLC 04.08.2015 03.08.2020

Purification and separation units. Purification and separation skids

Spec. TU 3683-042-00153229-2017

TR CU Certificate of compliance
No. TS RU S-RU.15..01068
RPN SFERA, LLC 03.10.2017 02.10.2022
TR CU Declaration of compliance No. RU D-RU.15..02205 EKC Rustechexpert, JSC 
expert and consultancy center
03.10.2017 02.10.2022

Gas distribution and treatment skids and packages.
Gas distribution skids.

Spec. TU 3647-037-00153229-2014

Industrial Safety Expertize Conclusion No. 01-15 RP
Reg. No. 11-TU-03499-2015
Priokskiy EKC,  Noncommercial Partnership 08.05.2015 08.05.2020
TR CU Declaration of 
compliance No. RU D-RU.15..01818
EKC Rustechexpert, JSC  
expert and consultancy center
03.03.2017 02.03.2022