3Z Corporation, The Republic of Korea - Komachine Supplier Profile and Product List

- 3Z Corporation, a specialized plug valve manufacturer with over 30 years of experience, is a global enterprise supplying industrial plug valves to various industries including petrochemical, gas plants, construction engineering, and nuclear power plants worldwide. The company offers a comprehensive range of valve products, including Double Block and Bleed Plug Valve, Sleeved Plug Valve, Lubricated Plug Valve, Metal Seated Plug Valve, Lined Plug Valve, Rising Stem Ball Valve, and Eccentric Plug Valve. Its superior technology and quality management ensure competitiveness in the global market.3Z Corporation, a specialized plug valve manufacturer with over 30 years of experience, is a global enterprise supplying industrial plug valves to various industries including petrochemical, gas plants, construction engineering, and nuclear power plants worldwide. The company offers a comprehensive range of valve products, including Double Block and Bleed Plug Valve, Sleeved Plug Valve, Lubricated Plug Valve, Metal Seated Plug Valve, Lined Plug Valve, Rising Stem Ball Valve, and Eccentric Plug Valve. Its superior technology and quality management ensure competitiveness in the global market.
- Double Block and Bleed Plug Valve (DBBV): Dual expanding plug valves with two seating surfaces, each sealing in both flow directions. Features 100% bubble-tight and fire-safe sealing performance, DIB (Double Isolation and Bleed) function, mechanically energized sealing without springs, friction-free opening/closing, and a self-locking operating mechanism. Available in flange sizes from 2 inches to 24 inches, with ratings including ANSI Class 150, 300, 600 lbs, and DIN PN10 to PN100.Double Block and Bleed Plug Valve (DBBV): Dual expanding plug valves with two seating surfaces, each sealing in both flow directions. Features 100% bubble-tight and fire-safe sealing performance, DIB (Double Isolation and Bleed) function, mechanically energized sealing without springs, friction-free opening/closing, and a self-locking operating mechanism. Available in flange sizes from 2 inches to 24 inches, with ratings including ANSI Class 150, 300, 600 lbs, and DIN PN10 to PN100.
- Sleeved Plug Valve: Non-lubricated valves applicable in diverse sectors such as oil, chemical, pharmaceutical, fertilizer, and power industries. Characterized by a unique metal edge for sleeve protection and fixation, a cavity-free structure preventing media accumulation, a self-cleaning function during plug rotation, and bi-directional flow support. Available in sizes from 1/2 inch to 24 inches (DN15-DN600), pressure classes of ASME Class 150/300/600, and DIN PN 16-PN40.Sleeved Plug Valve: Non-lubricated valves applicable in diverse sectors such as oil, chemical, pharmaceutical, fertilizer, and power industries. Characterized by a unique metal edge for sleeve protection and fixation, a cavity-free structure preventing media accumulation, a self-cleaning function during plug rotation, and bi-directional flow support. Available in sizes from 1/2 inch to 24 inches (DN15-DN600), pressure classes of ASME Class 150/300/600, and DIN PN 16-PN40.
- Lubricated Plug Valve: Products utilized for fluids containing mildly abrasive particles, dirty upstream applications, gas pipeline systems, and as blow-down valves. Features a tapered plug design, sealant injection between the body and plug for sealing and lubrication, metal-to-metal seating, and low operating torque. Available in sizes from 1/2 inch to 56 inches, pressure ratings from Class 150LB to 2500LB, with body materials including carbon steel, stainless steel, forged steel, duplex, and other alloy steels.Lubricated Plug Valve: Products utilized for fluids containing mildly abrasive particles, dirty upstream applications, gas pipeline systems, and as blow-down valves. Features a tapered plug design, sealant injection between the body and plug for sealing and lubrication, metal-to-metal seating, and low operating torque. Available in sizes from 1/2 inch to 56 inches, pressure ratings from Class 150LB to 2500LB, with body materials including carbon steel, stainless steel, forged steel, duplex, and other alloy steels.
- Metal Seated Plug Valve: Ductile iron valves ranging from 3 inches to 108 inches, suitable for water, wastewater, storm water, and raw water services up to 350psi. Features a quarter-turn, non-lubricated eccentric type with Nitronic 60 to 316 Stainless Steel seating, a round port for turbulence reduction, and NSF-61 Certified Fusion Bonded Epoxy Coating or 2-Part Thermal Setting Epoxy Paint. Compliant with AWWA C517, ANSI/NSF 61, and ANSI/NSF 372 certifications for drinking water use.Metal Seated Plug Valve: Ductile iron valves ranging from 3 inches to 108 inches, suitable for water, wastewater, storm water, and raw water services up to 350psi. Features a quarter-turn, non-lubricated eccentric type with Nitronic 60 to 316 Stainless Steel seating, a round port for turbulence reduction, and NSF-61 Certified Fusion Bonded Epoxy Coating or 2-Part Thermal Setting Epoxy Paint. Compliant with AWWA C517, ANSI/NSF 61, and ANSI/NSF 372 certifications for drinking water use.
- Lined Plug Valve: Valves providing unrestricted flow when fully open and operable in throttled positions, with a molded liner ensuring excellent chemical resistance and long service life. Offers zero leakage performance suitable for corrosive applications, featuring a PFA lined carbon steel body and encapsulated plug. Available in sizes from 1/2 inch to 12 inches (DN15-DN300), with ASME Class 150 (300psi/2068kPa) pressure rating and a temperature range of 20°C to 204°C.Lined Plug Valve: Valves providing unrestricted flow when fully open and operable in throttled positions, with a molded liner ensuring excellent chemical resistance and long service life. Offers zero leakage performance suitable for corrosive applications, featuring a PFA lined carbon steel body and encapsulated plug. Available in sizes from 1/2 inch to 12 inches (DN15-DN300), with ASME Class 150 (300psi/2068kPa) pressure rating and a temperature range of 20°C to 204°C.
- Rising Stem Ball Valve (RSBV): Designed for friction-free operation between the ball and seat, ensuring zero leakage when closed, and constructed entirely of metal for fire resistance. Capable of handling extreme temperatures from -196°C to 538°C, suitable for media with particulates, compliant with NACE standards, and equipped with a self-cleaning mechanism. Features a single seat design, linear stem movement, and a top entry design for ease of maintenance. Available in NPS 2 inches to 24 inches (DN 50-600) and pressure classes from 150 to 2500 (PN 10-420).Rising Stem Ball Valve (RSBV): Designed for friction-free operation between the ball and seat, ensuring zero leakage when closed, and constructed entirely of metal for fire resistance. Capable of handling extreme temperatures from -196°C to 538°C, suitable for media with particulates, compliant with NACE standards, and equipped with a self-cleaning mechanism. Features a single seat design, linear stem movement, and a top entry design for ease of maintenance. Available in NPS 2 inches to 24 inches (DN 50-600) and pressure classes from 150 to 2500 (PN 10-420).
- Eccentric Plug Valve: Tight-closing, resilient-faced, non-lubricated valves with an eccentric design where the plug lifts off the body seat. Provides drip-tight shutoff (resilient) or ANSI/FCI 70-2 Class IV (metal) shutoff, a rectangular port design, corrosion-resistant bearings, a welded nickel seat, grit excluders, and adjustable stem seal packing. Available in sizes from 0.5 inches to 72 inches (15-1800mm), temperatures up to 450°F (232°C), and pressures of 175psi (up to 12 inches) / 150psi (14 inches and above).Eccentric Plug Valve: Tight-closing, resilient-faced, non-lubricated valves with an eccentric design where the plug lifts off the body seat. Provides drip-tight shutoff (resilient) or ANSI/FCI 70-2 Class IV (metal) shutoff, a rectangular port design, corrosion-resistant bearings, a welded nickel seat, grit excluders, and adjustable stem seal packing. Available in sizes from 0.5 inches to 72 inches (15-1800mm), temperatures up to 450°F (232°C), and pressures of 175psi (up to 12 inches) / 150psi (14 inches and above).
- Over 30 years of specialized plug valve manufacturing experience and accumulated technical expertise [database].Over 30 years of specialized plug valve manufacturing experience and accumulated technical expertise [database].
- An extensive global market network and presence, exporting to over 50 countries across the Middle East, Europe, Asia, and the Americas [database, cite: 15].An extensive global market network and presence, exporting to over 50 countries across the Middle East, Europe, Asia, and the Americas [database, cite: 15].
- Continuous research and development, coupled with strategic investments, focused on enhancing product quality and performance.Continuous research and development, coupled with strategic investments, focused on enhancing product quality and performance.
- Successful implementation of 'Full Stellite Overlay' technology in high-profile projects in Kuwait, demonstrating recognized technical prowess in the global market.Successful implementation of 'Full Stellite Overlay' technology in high-profile projects in Kuwait, demonstrating recognized technical prowess in the global market.
- Operation of a high-level quality management system and automated manufacturing facilities, ensuring reliable product output.Operation of a high-level quality management system and automated manufacturing facilities, ensuring reliable product output.
- Capability and flexibility in providing customized valve solutions to meet the diverse requirements of clients across various industrial sectors.Capability and flexibility in providing customized valve solutions to meet the diverse requirements of clients across various industrial sectors.
- Petrochemical plants and refinery facilities [database, cite: 50].Petrochemical plants and refinery facilities [database, cite: 50].
- Gas plants and gas pipeline systems [database, cite: 12, 43].Gas plants and gas pipeline systems [database, cite: 12, 43].
- Construction engineering projects [database, cite: 50].Construction engineering projects [database, cite: 50].
- Nuclear power plants.Nuclear power plants.
- Water treatment, wastewater treatment, stormwater, and raw water services.Water treatment, wastewater treatment, stormwater, and raw water services.
- Pharmaceutical and fertilizer industries.Pharmaceutical and fertilizer industries.
- Power stations and urban construction water supply.Power stations and urban construction water supply.
- Tank farms (storage), metering stations, large transport pipelines and manifolds, loading/offloading systems, aviation and marine fueling systems.Tank farms (storage), metering stations, large transport pipelines and manifolds, loading/offloading systems, aviation and marine fueling systems.
- Vietnam, India, Indonesia, Kazakhstan, Philippines, Pakistan, Singapore, China, UzbekistanVietnam, India, Indonesia, Kazakhstan, Philippines, Pakistan, Singapore, China, Uzbekistan
- Finland, TurkeyFinland, Turkey
- USAUSA
- Metal Seated Plug Valve: AWWA C517, ANSI/NSF 61, ANSI/NSF 372 (for drinking water use).Metal Seated Plug Valve: AWWA C517, ANSI/NSF 61, ANSI/NSF 372 (for drinking water use).
- Lubricated Plug Valve: API 6D, API 599, API 6FA (Fire Standard).Lubricated Plug Valve: API 6D, API 599, API 6FA (Fire Standard).
- Rising Stem Ball Valve: API 6D, ASME B16.34, ISO 14313, ISO 17292, GB/T 12237, API 598, API 6FA, ISO 10497, ISO 15848, CE, MSS-SP-25, NACE standards (for corrosion resistance).Rising Stem Ball Valve: API 6D, ASME B16.34, ISO 14313, ISO 17292, GB/T 12237, API 598, API 6FA, ISO 10497, ISO 15848, CE, MSS-SP-25, NACE standards (for corrosion resistance).
- Lined Plug Valve: API 599, ANSI B 16.34, API 598/BS EN 12266-1, API 607 (Firesafe - optional), ISO 15848-1 CO3, TA-LUFT (fugitive emissions), PED.Lined Plug Valve: API 599, ANSI B 16.34, API 598/BS EN 12266-1, API 607 (Firesafe - optional), ISO 15848-1 CO3, TA-LUFT (fugitive emissions), PED.
- Double Block and Bleed Plug Valve: API 6D, ASME B16.10, B16.47, ASME B16.5, B16.25, ISO 10497, API 6FA, BS 6755, ISO 15848, TÜV, Shell MESC SPE 77-312, API 598, ISO 5208, CE, MSS-SP-25.Double Block and Bleed Plug Valve: API 6D, ASME B16.10, B16.47, ASME B16.5, B16.25, ISO 10497, API 6FA, BS 6755, ISO 15848, TÜV, Shell MESC SPE 77-312, API 598, ISO 5208, CE, MSS-SP-25.
- Eccentric Plug Valve: AWWA C517, ASTM A536, ANSI B16.1, AWWA C111/ANSI A21.11.Eccentric Plug Valve: AWWA C517, ASTM A536, ANSI B16.1, AWWA C111/ANSI A21.11.
- Successful implementation of 'Full Stellite Overlay' technology in a high-risk project in Kuwait, signifying recognized technological strength in the global market.Successful implementation of 'Full Stellite Overlay' technology in a high-risk project in Kuwait, signifying recognized technological strength in the global market.