Certifications

Company Certifications and Product Approvals

Company Certifications

A-Best Industrial Inc. Fittings, Valves, and Tubing is a certified minority-owned small business. Need a copy of a certificate for your supplier file? Email sales@abesttube.com and we'll send it over.

  • MBE

    Minority Business Enterprise

  • DBE

    Disadvantaged Business Enterprise

  • NMSDC

    National Minority Supplier Development Council

  • SCMSDC

    Southern California Minority Supplier Development Council. SCMSDC Supplier of the Year, 2024.

  • CPUC

    California Public Utilities Commission

  • California DGS

    California Department of General Services

  • Federal SAM

    Registered in the federal System for Award Management

  • Los Angeles County LSBE

    Local Small Business Enterprise

  • City of Los Angeles SLB

    Small Local Business

  • Port of Los Angeles MBE

    Minority Business Enterprise

  • Caltrans MBE

    Minority Business Enterprise

Product Approvals

Third-party approvals for the DK-Lok fittings and valves we supply.

  • ABS - V86 Series Ball Valves

    Cert # 25-0322223-PDA
    Iss.     2025-07-18
    Ex.     2030-07-17

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  • ABS - V81 Series Ball Valves

    Cert # 25-0322223-PDA
    Iss.     2025-07-18
    Ex.     2030-07-17

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  • ABS - VH86 Series High Pressure Multi Purpose Ball Valves

    Cert # 25-0322223-PDA
    Iss.     2025-07-18
    Ex.     2030-07-17

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  • ABS - V82 Series Ball Valves

    Cert # 25-0322223-PDA
    Iss.     2025-07-18
    Ex.     2030-07-17

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  • ABS - V23 Series Plug Valves

    Cert # 25-0322223-PDA
    Iss.     2025-07-18
    Ex.     2030-07-17

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  • ABS - V83 Series Swing-Out Ball Valves

    Cert # 25-0322223-PDA
    Iss.     2025-07-18
    Ex.     2030-07-17

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  • ABS - DK-LOK® Tube Fittings

    Cert # 22-2331884-PDA
    Iss.     2022-12-23
    Ex.     2027-12-22

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  • ABS - Manufacturing Assessment, Fittings & Valves

    Cert # 23-5750734
    Iss.     2023-03-23
    Ex.     2028-03-22

    Copy on request.

    Request Certificate

  • ABS - Valve & Ball Valve Product Design Assessment

    Cert # 25-0322235-PDA
    Iss.     2025-07-16
    Ex.     2030-07-15

    Copy on request.

    Request Certificate

  • ASME - Nuclear Fitting

    Cert # N-3186
    Iss.     2024-03-10
    Ex.     2027-03-10

    Renewed. Current copy on request.

    Request Current Certificate

  • ASME - Tube Clamp

    Cert # N-3342
    Iss.     2024-03-10
    Ex.     2027-03-10

    Renewed. Current copy on request.

    Request Current Certificate

  • ASME - Nuclear Valve

    Cert # N-3185
    Iss.     2024-03-10
    Ex.     2027-03-10

    Renewed. Current copy on request.

    Request Current Certificate

  • ASME - N, NS, NPT

    Cert # N, NS, NPT
    Iss.     2015-04-10
    Ex.     NA

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  • BV - DK-LOK® Tube Fittings

    Cert # SMS.W.II./49814/D.0
    Iss.     2021-10-19
    Ex.     2025-12-09

    Expired. Call or email for the current certificate.

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  • BV - DK-LOK® Tube Fittings

    Cert # 14034/E0 BV
    Iss.     2025-09-26
    Ex.     2030-09-26

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  • CRN - V86 Series Ball Valves

    Cert # 0C07988.2
    Iss.     2018-12-07
    Ex.     2028-12-07

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  • CRN - V83 Series Swing-Out Ball Valves

    Cert # 0C07988.2
    Iss.     2018-12-07
    Ex.     2028-12-07

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  • CRN - VH86 Series High Pressure Multi Purpose Ball Valves

    Cert # 0C07988.2
    Iss.     2018-12-07
    Ex.     2028-12-07

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  • CRN - V82 Series Ball Valves

    Cert # 0C07988.2
    Iss.     2018-12-07
    Ex.     2028-12-07

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  • CRN - V81 Series Ball Valves

    Cert # 0C07988.2
    Iss.     2018-12-07
    Ex.     2028-12-07

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  • CRN - V23 Series Plug Valves

    Cert # 0C07988.2
    Iss.     2018-12-07
    Ex.     2028-12-07

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  • CRN - DK-LOK® Tube Fittings

    Cert # 0C07988.2
    Iss.     2018-12-07
    Ex.     2028-12-07

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  • DNV - ISO 9001 / EN9100 Quality Management System

    Cert # C521153
    Iss.     2025-09-20
    Ex.     2028-09-19

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  • DNV.GL - DK-LOK® Tube Fittings

    Cert # TAP00000T4
    Iss.     2022-01-24
    Ex.     2026-12-30

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  • DNV - Metal Flexible Hose Type Approval

    Cert # TAP00000TW
    Iss.     2022-01-24
    Ex.     2026-12-30

    Copy on request.

    Request Certificate

  • DNV - DK-Lok Compression Bite Tube Couplings Type Approval

    Cert # TAP00000VW
    Iss.     2022-01-24
    Ex.     2026-12-30

    Copy on request.

    Request Certificate

  • GL - DK-LOK® Tube Fittings

    Cert # TAP00000T4
    Iss.     2022-01-24
    Ex.     2026-12-30

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  • GOST - VCT86 Series CNG/NGV Trunnion Ball Valves

    Cert # RU-C-KR.AB98.B.000069-241028
    Iss.     2019-10-29
    Ex.     2024-10-28

    Expired. Call or email for the current certificate.

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  • GOST - V86 Series Ball Valves

    Cert # RU-C-KR.AB98.B.000069-241028
    Iss.     2019-10-29
    Ex.     2024-10-28

    Expired. Call or email for the current certificate.

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  • GOST - DK-Lok Tube Fittings

    Cert # RU-C-KR.AB72.B.01071-191030
    Iss.     2014-10-31
    Ex.     NA

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  • GOST - VC86 Series CNG/NGV Ball Valves

    Cert # RU-C-KR.AB98.B.000069-241028
    Iss.     2019-10-29
    Ex.     2024-10-28

    Expired. Call or email for the current certificate.

    Download Certification

  • GOST - V83 Series Swing-Out Ball Valves

    Cert # RU-C-KR.AB98.B.000069-241028
    Iss.     2019-10-29
    Ex.     2024-10-28

    Expired. Call or email for the current certificate.

    Download Certification

  • GOST - VH86 Series High Pressure Multi Purpose Ball Valves

    Cert # RU-C-KR.AB98.B.000069-241028
    Iss.     2019-10-29
    Ex.     2024-10-28

    Expired. Call or email for the current certificate.

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  • GOST - VTH86 Series Trunnion Ball Valves

    Cert # RU-C-KR.AB98.B.000069-241028
    Iss.     2019-10-29
    Ex.     2024-10-28

    Expired. Call or email for the current certificate.

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  • GOST - VT86 Series Trunnion Ball Valves

    Cert # RU-C-KR.AB98.B.000069-241028
    Iss.     2019-10-29
    Ex.     2024-10-28

    Expired. Call or email for the current certificate.

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  • GOST - V23 Series Plug Valves

    Cert # RU-C-KR.AB98.B.000069-241028
    Iss.     2019-10-29
    Ex.     2024-10-28

    Expired. Call or email for the current certificate.

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  • GOST - V82 Series Ball Valves

    Cert # RU-C-KR.AB98.B.000069-241028
    Iss.     2019-10-29
    Ex.     2024-10-28

    Expired. Call or email for the current certificate.

    Download Certification

  • GOST - V81 Series Ball Valves

    Cert # RU-C-KR.AB98.B.000069-241028
    Iss.     2019-10-29
    Ex.     2024-10-28

    Expired. Call or email for the current certificate.

    Download Certification

  • HSB - PED Module B (Pressure Equipment Directive)

    Cert # HSB IE 20-12-005
    Iss.     2020-12-04
    Ex.     2030-12-03

    Copy on request.

    Request Certificate

  • KGSC - VC86 Series Ball Valves (VC86D-F-16N-PK)

    Cert # 18-34-090
    Iss.     2023-03-07
    Ex.     2028-03-06

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  • KGSC - VC86 Series Ball Valves (VC86C-F-12N-PK)

    Cert # 18-34-091
    Iss.     2023-03-07
    Ex.     2028-03-06

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  • KGSC - VC86 Series Ball Valves (VC86B-F-8N-PK)

    Cert # 18-34-092
    Iss.     2023-03-07
    Ex.     2028-03-06

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  • KHNP - Instrument Valves (J240)

    Cert # 201901491
    Iss.     2020-02-18
    Ex.     2025-02-27

    Expired. Call or email for the current certificate.

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  • KR - DK-Lok Tube Fittings

    Cert # CWN19339-PE001
    Iss.     2021-01-27
    Ex.     2026-03-21

    Expired. Call or email for the current certificate.

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  • LR - DK-LOK® Tube Fittings

    Cert # LR21287882TA
    Iss.     2021-06-28
    Ex.     2026-06-27

    Expired. Call or email for the current certificate.

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  • NK - DK-Lok Tube Fittings

    Cert # TA20575M (06FV101B)
    Iss.     2020-11-13
    Ex.     2026-02-20

    Expired. Call or email for the current certificate.

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  • RS - Metal Flexible Hose

    Cert # 23.44.01.00991.296
    Iss.     2023-04-20
    Ex.     2028-04-20

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  • RS - V86 Series Ball Valves

    Cert # 23.44.01.00995.296
    Iss.     2023-04-20
    Ex.     2028-04-20

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  • RS - Boiler Tube and Panel Tube

    Certificate available on request.

    Request Certificate

  • RS - VCT86 Series CNG/NGV Trunnion Ball Valves

    Cert # 23.44.01.00995.296
    Iss.     2023-04-20
    Ex.     2028-04-20

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  • RS - VH86 Series High Pressure Multi Purpose Ball Valves

    Cert # 23.44.01.00995.296
    Iss.     2023-04-20
    Ex.     2028-04-20

    Download Certification

  • RS - V23 Series Plug Valves

    Cert # 23.44.01.00993.296
    Iss.     2023-04-20
    Ex.     2028-04-20

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  • RS - DK-Lok Pipe Joining Fitting Type Approval

    Cert # 23.44.01.00988.296
    Iss.     2023-04-20
    Ex.     2028-04-20

    Copy on request.

    Request Certificate

  • RS - V73 In-Line and V76 Tee Filters Type Approval

    Cert # 23.44.01.00989.296
    Iss.     2023-04-20
    Ex.     2028-04-20

    Copy on request.

    Request Certificate

  • RS - V46 Gauge Root Valves and V56 Instrument Manifolds Type Approval

    Cert # 23.44.01.00990.296
    Iss.     2023-04-20
    Ex.     2028-04-20

    Copy on request.

    Request Certificate

  • RS - Check, Relief, Flow, Bleed and Purge Valves Type Approval

    Cert # 23.44.01.00992.296
    Iss.     2023-04-20
    Ex.     2028-04-20

    Copy on request.

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  • RS - V83 Series Swing-Out Ball Valves

    Cert # 23.44.01.00995.296
    Iss.     2023-04-20
    Ex.     2028-04-20

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  • RS - V81 Series Ball Valves

    Cert # 23.44.01.00995.296
    Iss.     2023-04-20
    Ex.     2028-04-20

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  • RS - DK-Lok Tube Fittings

    Cert # 23.44.01.00987.296
    Iss.     2023-04-20
    Ex.     2028-04-20

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  • RS - V82 Series Ball Valves

    Cert # 23.44.01.00995.296
    Iss.     2023-04-20
    Ex.     2028-04-20

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  • TUV - VCH86 Series CNG/NGV Alternative Fuel Service Ball Valves

    Cert # ECE R110-000182
    Iss.     2020-05-27
    Ex.

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  • TUV - VCT86 Series CNG/NGV Trunnion Ball Valves

    Cert # ECE R110-000184
    Iss.     2020-05-27
    Ex.

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  • TUV - VCT863 Series CNG/NGV 3-way Trunnion Ball Valves

    Cert # ECE R110-000185
    Iss.     2020-05-27
    Ex.

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  • TUV Rheinland - Tube Fittings

    Cert # AF-2009-0903_01
    Iss.     2022-04-15
    Ex.

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  • TÜV SÜD - CNG/LNG Valves, Check Valves, Filters & Relief Valves (ECE R110)

    Cert # 72160895-ECER110
    Iss.     2022-07-31
    Ex.

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  • TÜV SÜD - ISO 15500 CNG Components (Manual, Check, Filter, Relief Valves)

    Cert # 72160895-ISO15500-4, -3, -18, -12
    Iss.     2022-08-02

    Copy on request.

    Request Certificate

  • TÜV SÜD - ANSI/CSA NGV 3.1, NGV 4.6 and NGV 1

    Cert # 72160895-NGV3.1, NGV4.6, NGV1
    Iss.     2022-05-13 / 2022-08-02

    Copy on request.

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  • TÜV SÜD - DK-Lok Tube Fittings ECE R110 Class 6 and EC79

    Cert # 72169216-ECER110; e24*79/2009*406/2010*0033*00
    Iss.     2022-05-13

    Copy on request.

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  • EU REACH (1907/2006/EC) Declaration of Compliance

    Cert # EU REACH 1907/2006/EC
    Iss.     2022-04-25

    Copy on request.

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  • RoHS 3 (2015/863) Declaration of Conformity

    Cert # RoHS 3 Directive 2015/863
    Iss.     2022-02-18

    Copy on request.

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