Language

LOCATION

Factory Address 9, Gwahaksandan-ro 369beon-gil, Gangseo-gu, Busan

GREETING

DONGSU, CHOI, President of Dongeun Valve

President — Mr. Choi, Dong Su

President

DONGSU, CHOI President, Dongeun Valve

Greetings.

For more than 30 years, Dongeun Valve has focused on industrial high-pressure forged valves and has grown on the trust of our customers. Beyond supplying products, we aim to be a partner accountable for project schedules and quality, field reliability, and precise response when it matters most.

  • Customer First
  • Uncompromised Quality
  • On-Time Delivery

These are not mere slogans, but standards Dongeun Valve will uphold without compromise. Through unwavering quality, accurate delivery, and flexible support, we will remain the valve specialist you can trust most.

Thank you. DONGSU, CHOI, President, Dongeun Valve

ORGANIZATION

CEO MR. CHOI DONG SU
CEO
Managing Director
Headquarters
Quality Team
Management Team
Sales Team
Domestic Sales Team
Overseas Sales Team
R&D
Technical Research Institute
Factory
Factory Manager
Production Management Team
Materials Management Team
Production Site Management
Assembly
Welding
Machining
Inspection
Packaging
Materials

MEMBERS

production

50 people

Purchase materials

7 people

business

7 people

quality

7 people

Production management

2 people

technology

5 people

management team

2 people

HISTORY

SINCE 1993 FROM DKM TO DEV

year
History
1993
Establishment of Donggang Metal Co., Ltd.
1994
Registered as a partner company of Samsung Heavy Industries
1996
Registered as a supplier to POSCO E&C Gwangyang Steel Mill (Busan Factory)
1998
LG CALTEX partner registration and delivery
1999
Registered as a Samsung Engineering partner company
1999
ANSI 600LB / 2500LB valve development
2000
Obtained ISO 9001:2000 / KSA 9000:2001-EAQCC certification
2001
SK & LG E&C partner company registration and delivery
2002
Registered as SK Chemicals partner company and concluded unit price contract
2005
Registered as a qualified equipment supplier for Korea's five major power generation companies (Southern, Western, Central, East-West, and Southeast)
2006
Doosan Heavy Industries & Construction partner registration and delivery
2007
Headquarters and factory expansion Previous (1,700m²)
2008
Registered as MEW (Kuwait) partner company
2008
Acquired API 602, API 6D, API Q1, and ISO 9001 certifications
2008
Received the 1 Million Dollar Export Tower Award
2009
Acquired GS CALTEX forged valve manufacturing certification
2009
Establishment of R&D Center
2010
Factory expansion (2,500m²)
2011
Borouge partner registration and delivery
2011
Obtained BV certification CE-PED
2012
Registered as a supplier to TAKREER (Abu Dhabi Oil Refining Company) and FERTIL (Ruwais Fertilizer Industry Company)
2013
Factory expansion (8,400m²)
2014
Received the $3 million export tower award
2014
Obtained Canadian CRN certification
2014
Obtained KGS (LPG) gas appliance piping valve manufacturing license
2015
Received the $5 million export tower award
2015
Registered as SK Energy and S-OIL partner company
2016
Registered as PETRONAS (Malaysian state-owned energy company) supplier
2016
Acquired certification for production of toxic gas supplier products
2016
Obtained KGS (toxic gas) toxic gas piping valve manufacturing license
2016
Obtained RUSSIA EAC (TP TC 010/2011) certification
2016
Registered as a GS CALTEX approved partner
2017
Seo Kyeong-won inaugurated as CEO
2017
Obtained ISO 14001 certification
2019
Obtained API 624 (Fugitive Emission) certification
2020
ANSI 4500LB Valve development
2021
Obtained TR CU (EAC) certification
2022
Company name changed to Dongeun Valve Co., Ltd.
2022
Previous (Saha-gu -> Gangseo-gu)
2024
Registered as BASF Vendor in Korea
2025
Obtained KGS (LPG/toxic gas) cast valve manufacturing license
2026
KGS emergency shutoff device manufacturing license

ALL SERIES

Gate valve

GATE

Forged Gate Valve

 Globe valve

GLOBE

Forged Globe Valve

 Check valve

CHECK

Forged Check Valve

 Strainer

STRAINER

Y-Strainer

 Ball valve

BALL

Forged Ball Valve
Forged valve series overview

AUTOMATION

DEV provides high-quality forged valves across gate, globe, check, and ball types. Optimized engineering delivers strong performance and durability, and we also provide actuator-based automation and tailored actuation solutions.

AUTO

ACTUATED VALVES

  • Motor
  • Pneumatic
  • Solenoid
  • Positioner
  • Customization
ACCY

DEV headquarters valve showroom

DKM Series is a high-quality forged-valve lineup trusted across industries. It includes gate, globe, check, Y-strainer, and ball valve types.

PRODUCTION RANGE

In line with the high-pressure forged valve lineup, we have organized pressure ratings, specifications, connection methods, core structures, and material specifications based on actual use.

CLASS

API 800, 1500 / ASME Class 150, 300, 600, 900, 1500, 2500, 4500 / JIS 10K, 20K, 30K, 40K, 63K

SIZE

1/4"(8A), 3/8"(10A), 1/2"(15A), 3/4"(20A), 1"(25A), 1 1/4"(32A), 1 1/2"(40A), 2"(50A)

END CONNECTION

Socket welding, Threaded, Butt welding, Flanged

FEATURE

B.BW.BN.BP.S.BB.CW.C

MATERIAL

ASTM A105, A350-LF2, A182-F5, F9, F11, F22, F91, F304/F304L/F304H, F316/F316L/F316H, F310, F321, F347, F51, F53/F55

01

GATE first model image

GATE

TA2A-F304

02

GLOBE first model image

GLOBE

GA2A-F304

03

CHECK first model image

CHECK

SA2A-F304

04

STRAINER first model image

STRAINER

YA2A-F304

05

BALL first model image

BALL

BA1C-F304

MATERIAL

Carbon Steel

  • A105

    Carbon Steel

    ASTM A105 / ASME SA-105

    A105 CS, Carbon Steel Forging

    Fe(base), C, Mn, Si

Low Temperature Steel

  • A350-LF2

    Low-temperature carbon steel forging

    ASTM A350 LF2 / ASME SA-350 LF2

    LF2, LTCS

    Fe(base), C, Mn, Si, Ni

Alloy Steel

  • A182 F11

    Cr-Mo Alloy Steel

    ASTM A182 F11 / ASME SA-182 F11

    1.25Cr-0.5Mo, P11

    Fe(base), Cr, Mo, C, Mn

  • A182 F22

    Creep Resistant Alloy

    ASTM A182 F22 / ASME SA-182 F22

    2.25Cr-1Mo, P22

    Fe(base), Cr, Mo, C, Mn, Si

  • A182 F5

    Cr-Mo Low Alloy Steel

    ASTM A182 F5 / ASME SA-182 F5

    5Cr-0.5Mo, P5

    Fe(base), Cr, Mo, C

  • A182 F9

    High Chromium Alloy Steel

    ASTM A182 F9 / ASME SA-182 F9

    9Cr-1Mo, P9

    Fe(base), Cr, Mo, C

  • A182 F91

    Ultra High Temperature Alloy

    ASTM A182 F91 / ASME SA-182 F91

    Grade 91, 9Cr-1Mo-V-Nb, P91

    Fe(base), Cr, Mo, V, Nb, N

  • A182 F92

    Advanced 9Cr Martensitic Alloy

    ASTM A182 F92 / ASME SA-182 F92

    Grade 92, 9Cr-0.5Mo-1.8W, P92

    Fe(base), Cr, W, Mo, V, Nb, N

Austenitic Stainless Steel

  • A182 F304

    Austenitic Stainless Steel

    ASTM A182 F304 / ASME SA-182 F304

    304, SUS304

    Fe(base), Cr, Ni

  • A182 F304L

    Low Carbon Austenitic Stainless

    ASTM A182 F304L / ASME SA-182 F304L

    304L, SUS304L

    Fe(base), Cr, Ni, C(low)

  • A182 F304H

    High Carbon Austenitic Stainless

    ASTM A182 F304H / ASME SA-182 F304H

    304H

    Fe(base), Cr, Ni, C(high)

  • A182 F316

    Mo Bearing Austenitic Stainless

    ASTM A182 F316 / ASME SA-182 F316

    316, SUS316

    Fe(base), Cr, Ni, Mo

  • A182 F316L

    Low Carbon Mo Bearing Stainless

    ASTM A182 F316L / ASME SA-182 F316L

    316L, SUS316L

    Fe(base), Cr, Ni, Mo, C(low)

  • A182 F316H

    High Temperature Mo Bearing Stainless

    ASTM A182 F316H / ASME SA-182 F316H

    316H

    Fe(base), Cr, Ni, Mo, C(high)

  • A182 F317

    High Mo Austenitic Stainless

    ASTM A182 F317 / ASME SA-182 F317

    317

    Fe(base), Cr, Ni, Mo(high)

  • A182 F317L

    Low Carbon High Mo Austenitic Stainless

    ASTM A182 F317L / ASME SA-182 F317L

    317L

    Fe(base), Cr, Ni, Mo(high), C(low)

  • A182 F321

    Ti Stabilized Stainless

    ASTM A182 F321 / ASME SA-182 F321

    321, Ti Stabilized 304

    Fe(base), Cr, Ni, Ti

  • A182 F321H

    High Carbon Ti Stabilized Stainless

    ASTM A182 F321H / ASME SA-182 F321H

    321H

    Fe(base), Cr, Ni, Ti, C(high)

  • A182 F347

    Nb Stabilized Stainless

    ASTM A182 F347 / ASME SA-182 F347

    347, Nb Stabilized 304

    Fe(base), Cr, Ni, Nb

  • A182 F347H

    High Carbon Nb Stabilized Stainless

    ASTM A182 F347H / ASME SA-182 F347H

    347H

    Fe(base), Cr, Ni, Nb, C(high)

  • ALLOY 20

    High Corrosion Resistant Austenitic Alloy

    UNS N08020 / ASTM B462-B473 (Equivalent Forging Standard)

    Carpenter 20, Alloy 20Cb-3

    Ni, Cr, Mo, Cu, Fe

Super Austenitic Stainless Steel

  • A182 F44

    Super Austenitic Stainless Steel

    ASTM A182 F44 / UNS S31254

    6Mo, 254SMO

    Fe(base), Cr, Ni, Mo(high), N

Duplex Stainless Steel

  • A182 F51/F60

    Duplex Stainless Steel

    ASTM A182 F51 / ASME SA-182 F51 · ASTM A182 F60 / UNS S32205

    Duplex 2205 (F51/F60)

    Fe(base), Cr, Ni, Mo, N

  • A182 F53

    Super Duplex Stainless Steel

    ASTM A182 F53 / UNS S32750

    2507

    Fe(base), Cr(high), Ni, Mo, N

  • A182 F55

    Super Duplex Stainless Steel

    ASTM A182 F55 / UNS S32760

    Super Duplex S32760

    Fe(base), Cr(high), Ni, Mo, W, N

Nickel Alloy

  • MONEL 400

    Nickel-Copper Alloy

    UNS N04400 / ASTM B564 Equivalent

    Monel 400

    Ni, Cu, Fe, Mn

  • Inconel 625

    Nickel-Chromium-Molybdenum Alloy

    UNS N06625 / ASTM B564 Equivalent

    Alloy 625

    Ni, Cr, Mo, Nb

  • Inconel 825

    Nickel-Iron-Chromium Alloy

    UNS N08825 / ASTM B564 Equivalent

    Alloy 825

    Ni, Fe, Cr, Mo, Cu

  • Hastelloy C276

    Nickel-Molybdenum-Chromium Alloy

    UNS N10276 / ASTM B564 Equivalent

    Alloy C276

    Ni, Mo, Cr, W, Fe

ETC.

  • B150-C63000

    Ni-Al-Fe Aluminum Bronze

    ASTM B150 C63000 / UNS C63000

    Aluminum Bronze, C63000

    Cu, Al, Ni, Fe

CERTIFICATE

Product Standards & Management

Design, Manufacturing & QMS

ISO 9001 Quality Management
ISO 9001 certificate

ISO 9001

The entire forging valve process is operated under the ISO 9001 quality system.

Quality controlProcess reliability
API 602 Forged Steel Valve
API 602 Certificate

API 602

API 602 is a product standard that specifies product requirements such as design, structure, dimensions, material, pressure-temperature, etc. of small-diameter forged steel Gate·Globe·Check Valve.

License Scope

Check · Globe · Gate Valves (DN 100 / NPS 4 and Smaller)

API MonogramAPI Spec Q1
API 6D Pipeline Valve
API 6D Certificate

API 6D

API 6D is a product standard that specifies the design, dimensions, material, testing, marking and documentation requirements for pipeline valves.

License Scope

Ball Valves (Floating / Trunnion) · Through Conduit Gate Valves

API MonogramAPI Spec Q1
API 624 Low Emission

API 624

We operate a low-leakage design and production system based on API 624.

Applicable valve type

Gate Valve · Globe Valve

low leakageLeakage control

Safety, Testing & Compliance

Regulatory & Inspection Standards

CE PED Pressure Equipment Directive
CE PED Certificate

CE PED

CE PED is a Directive that specifies design, manufacturing, conformity assessment and safety requirements for EU pressure equipment.

European certificationpressure safety
FIRE SAFE API 607 / API 6FA
API 607 API 6FA Fire Safe Certificate

API 607 / API 6FA

Complies with API 607/6FA for sealing maintenance performance in case of fire.

Applicable valve type

Ball Valve · Gate Valve

fire safetyMaintain seal
API 598 Testing Standard

API 598

Pressure and leakage tests are performed before shipment based on API 598 testing standards.

Applicable valve type

Gate Valve · Globe Valve · Check Valve · Ball Valve

proof of practice

Test Report (Hydro / Leakage) · Inspection Report · CoC (Tested in accordance with API 598)

pressure testLeakage testTest standards
KGS Korea Gas Safety Corporation
KGS certification/registration related documents

KGS

We respond to quality and safety requirements for gas containers and piping valves in accordance with the inspection and technical standards of the Korea Gas Safety Corporation (KGS).

Applicable valve type

Gate Valve · Globe Valve · Check Valve · Ball Valve

gas safetyDomestic standards

APPLICATIONS

1. Oil & Gas / Refinery

Refinery plant overview
Valve section on a refinery line
Valve operating area of an offshore plant

Process & Material

Process Material Reason
Hydrocarbon line A105 / F11 Cost efficiency + high-temperature strength
Sour service F51 H2S service (NACE MR0175)
Corrosive fluid F316 Corrosion resistance
High temp reactor F347 Creep strength

Key Customers

SK E&C / S-Oil / ADNOC / LOTTE E&C / LG CHEM / GS CALTEX / YNCC

Project References4 PROJECTS

End User EPC / Customer Project Name Country
Hyundai Oilbank Hyundai Engineering HDO REVAMPING PJT Korea
TANAJIB COGENERATION POWER COMPANY Hyundai Power Systems TANAJIB UNIT 16 & 17 Saudi Arabia
GS CALTEX DKM Valve GS CALTEX_DAF PJT Korea
ADNOC China Petroleum Engineering and EPCM FOR BAB AND BU HASA AiP5 OFF-PLOT FACILITIES PROJECT UAE

2. LNG / Gas

(Cryogenic embrittlement prevention + NACE compliance are critical)

LNG storage tank facility
Cryogenic piping section
LNG line piping system

Location & Material

Location Material
LNG storage tank LF2 / F304 / F316
BOG Line F316
Cryogenic Valve F304L / F316L

Key Customers

Busan Port Authority / Port LNG / SK E&S / Hanwha Power Systems

Project References9 PROJECTS

End User EPC / Customer Project Name Country
JORD INTERNATIONAL PTY LTD HP VALVES NAVAL STATION GUANTANAMO BAY_AUSTRALIA Cuba
Daelim Industrial BHI Pocheon LNG Power Plant Units 1–4 Korea
Daewoo Energy Daewoo E&C Daewoo Pocheon LNG Power Plant Unit 1 Construction Korea
Korea District Heating Corp. Han Engineering Naepo New Town Gas-fired CHP EPC Construction Korea
Korea Western Power Doosan Heavy Industries IGCC — Integrated Gasification Combined Cycle Korea
Yeoju Energy Service SK E&C Yeoju LNG Power Plant PJT Korea
KET Daewoo E&C Ulsan North Port LNG Terminal Phases 1, 2 & 3 Korea
Korea East-West Power POSCO E&C Eumseong LNG Power Plant Unit 1 Korea
Hanju Corp. KEPCO E&C / Hanwha E&C Hanju Gas-fired CHP Units 1–2 Korea

3. Power Plant

(High-pressure / high-temperature steam line)

Power plant steam line
Power plant storage facility
Valve line of power generation equipment

Process & Material

Process Material Characteristic
Main Steam F91 / F22 Creep strength
Feed Water F316 Corrosion resistance
High Temp Oil F321 Thermal stability

Key Customers

Korea’s five power generation companies / Korea District Heating Corp. / KHNP / Power Plant EPC

Project References10 PROJECTS

End User EPC / Customer Project Name Country
KHNP Hyorim Industries Shin-Hanul Units 1 & 2 Korea
KHNP Doosan Heavy Industries Shin-Kori Units 1 & 2 Korea
Hyundai Heavy Industries Yurim Tech BARAKAH NUCLEAR POWER PLANT UNITS 3 & 4 UAE
JOHN COCKERILL ENERGY HP VALVES SHOALHAVEN IN AUSTRALIA-2X HRSG UNIT 1 Australia
INDO RAYA TENAGA Doosan Enerbility JAWA 9&10 COAL FIRED STEAM POWER PLANT Indonesia
Najim Cogeneration Company Samsung C&T Amiral Cogeneration Project Saudi Arabia
Korea Western Power Daewoo E&C Gongju Combined Cycle Power Plant Korea
SK INNOVATION E&S SK Eco Engineering Yongin District Energy Project (Heat Source) Korea
Korea South-East Power Hyundai Engineering Goseong Combined Cycle Power Plant Korea
FUJI ELECTRIC Samkang ENG Kirishima Eboshidake Japan

4. Shipbuilding / Offshore Plant

Offshore structure plant
Ship plant piping
Subsea line

Environment & Material

Environment Material
Seawater F316 / F51
Ballast Line F316
Offshore Skid F51

Key Points

  • Duplex (F51) performs exceptionally well in seawater / chloride environments
  • Resists seawater corrosion and SCC (Stress Corrosion Cracking)

Project References6 PROJECTS

End User EPC / Customer Project Name Country
Hyundai Heavy Industries BMT Hyundai Heavy Industries H3322’S Korea
Hyundai Heavy Industries Engine Hyundai Heavy Industries HiMSEN Plant 2 Methanol Facility Korea
Hanwha Ocean Ecotech Hanwha Ocean Ecotech CO2 RELIQUEFACTION PILOT PLANT Korea
Samsung Heavy Industries Seyang Enterprise CEDAR FLNG Korea
Daewoo Shipbuilding & Marine Engineering Sunbo Industries DSME National R&D Project Korea
Hanwha Ocean Taehyung Industries Hanwha Ocean MCS PLANT PJT Korea

5. Semiconductor / Chemical / Food

(Surface finish and cleanliness are critical)

Semiconductor process valve
Cleanroom piping line
Food and pharmaceutical process piping

Material by Industry

Industry Material
Semiconductor / Chemical F316L
Pharmaceutical F316L
Food F304

Project References8 PROJECTS

End User EPC / Customer Project Name Country
HYOSUNG VINA CHEMICALS Etec Construction HSVC1 PP4 PROJECT Vietnam
Daewoo E&C Technical Korea DEC Huchems Steam Manifold Korea
SK hynix SK ecoplant Cheongju SK hynix M15 PJT Korea
Hanwha Total Petrochemical Hanwha E&C ACP PROJECT — Phase 1 Korea
LG Chem DL E&C LG ABS REBUILDING PJT Korea
Honeywell UOP Feex UOP-SLYVYNSK (Sloviansk) Ukraine
Kumho Polychem POSCO E&C Yeosu Kumho Polychem 70,000 MT/Y PJT Korea
SK hynix Hansung Cleantec Cheongju SK hynix M15 PJT Korea