حول Wuzhong Intrument Co., Ltd
Founded in 1959, Wuzhong Instrument Co., Ltd. is a leading control valve manufacturer in China. The company designs and manufactures control valves, severe-service valves, actuators and valve accessories for process industries including petrochemical, power generation, nuclear energy, LNG, and oil and gas. Its products are designed and manufactured in compliance with a wide range of international standards including API, ASME, ISO and GOST. Wuzhong Instrument products have been widely deployed in major energy infrastructure projects, including the China–Russia Gas Pipeline and Hualong nuclear power projects.
Innovation-Driven, Quality-Assured
As one of China's leading control valve R&D and manufacturing centers, Wuzhong Instrument has built a robust innovation platform supported by national and regional research institutions. The company has developed over 100 control valve products, obtained more than 600 patents, received over 30 national and provincial technology awards, and contributed to the development of more than 20 national standards.
Through continuous innovation, Wuzhong Instrument has successfully developed critical control valves for ultra-high pressure, ultra-high temperature, cryogenic, nuclear and other severe-service applications, breaking international technology barriers and supporting major energy and industrial projects.
Intelligent Manufacturing
Wuzhong Instrument has developed a fully integrated intelligent manufacturing system that enhances collaboration across engineering, production, and business operations. By leveraging advanced manufacturing technologies and data-driven management, the company is able to deliver highly customized products with improved efficiency, shorter lead times, and consistent quality. This commitment to intelligent manufacturing has established Wuzhong Instrument as a leading benchmark for advanced manufacturing in China’s control valve industry.
منتجاتنا
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V-Port Control Ball Valve
الموديل: V2100
المعلمات: Model:V2100
Structure Type: V-Port, Hemispherical Single Seat
Nominal Size:DN25～DN500
1”〜20”
Pressure Rating:Class150〜Class300
Kettle Discharge Ball Valve
الموديل: G1520
المعلمات: Model:G1520
Structure Type: Floating Ball / Trunnion-Mounted Ball
Nominal Size:DN25～DN600
1”〜24”
Pressure Rating:Class150〜Class300
Kettle Cover Ball Valve
الموديل: G Series
المعلمات: Structure Type: Trunnion-Mounted Ball
Nominal Size:DN500、DN600、DN700
20”、24”、28”
Pressure Rating:Class150
Control Valve
الموديل: ATS
المعلمات: Model:ATS
Structure Type: Unbalanced Contoured Plug
Nominal Size:DN15～DN400
1/2”〜16”
Pressure Rating:Class150〜Class300
Angle Seat Valve
الموديل: DRJ
المعلمات: Model:DRJ
Structure Type: Angled Body and Seat Design
Nominal Size:DN15～DN65
1/2”〜2 1/2”
Pressure Rating:Class150
V-Port Control Ball Valve
الموديل: A2100
المعلمات: Model:A2100
Structure Type: V-Port, Hemispherical Single Seat
Nominal Size:DN25～DN500
1”〜20”
Pressure Rating:Class150〜Class300
Sanitary Ball Valve
الموديل: DRQ
المعلمات: Model:DRQ
Structure Type:Floating Ball
Nominal Size:DN15～DN100
1/2”〜4”
Pressure Rating:Class150
High Differential Pressure Micro-Flow Control Valve
الموديل: ATL
المعلمات: Model:ATL
Structure Type:Anti-Cavitation Stack Type
Nominal Size:DN25～DN200
1”〜8”
Pressure Rating:Class150〜Class2500
Applications: Oil, Gas & Water Separation Systems, Chemical Injection Systems, Blowdown & Flare Systems, Fuel Systems
PTFE-Lined (Bellows-Sealed) Control Valve
الموديل: APF
المعلمات: Model:APF
Structure Type:Contoured Plug
Nominal Size:DN20～DN150
3/4”〜6”
Pressure Rating:Class150、PN16
Applications: Water Supply & Drainage, Fire Protection, Water Treatment Systems, Dehydration, Desalination, and Acid Gas Removal Systems
PTFE-Lined Butterfly Valve
الموديل: WB410
المعلمات: Model:WB410
Structure Type: Centerline Sealing Type
Nominal Size:DN40～DN600
1 1/2”〜24”
Pressure Rating:Class150、PN16
Applications: Water Supply & Drainage, Fire Protection, Water Treatment Systems, Dehydration, Desalination, and Acid Gas Removal Systems
PTFE-Lined O-Port Ball Valve
الموديل: G4100
المعلمات: Model:G4100
Structure Type: Floating Ball / Trunnion-Mounted Ball
Nominal Size:DN15～DN300
1/2”〜12”
Pressure Rating:Class150、PN16
Applications: Water Supply & Drainage, Fire Protection, Water Treatment Systems, Dehydration, Desalination, and Acid Gas Removal Systems
Long-Distance Pipeline Valve
الموديل: ATM、ATL
المعلمات: Product Name: High-Differential-Pressure Refined Oil Pressure-Reducing Valve
Model:ATM、ATL
Nominal Size:DN50～DN150
2”〜6”
Pressure Rating:≤Class2500
Long-Distance Pipeline Valve
الموديل: G3010
المعلمات: Product Name: High-Pressure Ball Valve
Model:G3010
Nominal Size:DN25～DN600
1”〜24”
Pressure Rating:Class600〜Class2500
Long-Distance Pipeline Valve
الموديل: G2010
المعلمات: Product Name: Long-Distance Pipeline Ball Valve
Model:G2010
Nominal Size:DN50～DN800
2”〜32”
Pressure Rating:Class150〜Class900
Long-Distance Pipeline Valve
الموديل: G3200
المعلمات: Product Name: Top-Entry Ball Valve
Model:G3200
Nominal Size:DN50～DN600
2”〜24”
Pressure Rating:Class150〜Class2500
Oil & Gas Wellhead Choke Valve
الموديل: ATL、ATC
المعلمات: Product Name: Wellhead Choke Valve
Model:ATL、ATC
Nominal Size:DN100～DN200
4”〜8”
Pressure Rating:Class600〜Class2500
Structure Type: WZTP Labyrinth Cartridge
PDS Ball Valve for Product Discharge System
الموديل: G1820
المعلمات: Model:G1820
Nominal Size:DN15～DN300
1/2”〜12”
Pressure Rating:Class300〜Class600
Features: Excellent wear and erosion resistance, with a protected spring chamber to prevent elastic-element failure. Dual-guiding system prevents lateral stem movement and ensures reliable sealing.
Pulverized Coal, Black Water and Grey Water Isolation Valve
الموديل: G1620、G1630
المعلمات: Model:G1620、G1630
Nominal Size:DN150～DN450
6”〜18”
Pressure Rating:Class600〜Class900
Features: Supersonic-sprayed ball and plasma-overlay-welded seat. Sealed guide bushing prevents media ingress and bushing seizure during long-term operation. Scraper-type sealing seat with an ultra-hard, optimized sealing pair.
Grey Water Eccentric Rotary Valve
الموديل: VFRM
المعلمات: Model:VFRM
Nominal Size:DN50～DN200
2”〜8”
Pressure Rating:Class150〜Class900
Features: Multi-process hardened construction for enhanced anti-clogging and erosion resistance.
Black Water Angle Valve
الموديل: ACV
المعلمات: Model:ACV
Nominal Size:DN40～DN300
1 1/2”〜12”
Pressure Rating:Class150〜Class1500
Features: Carbide plug and seat, optimized body cavity, and streamlined throttling disc to minimize asymmetric flow impingement.
Pulverized Coal Conveying Valve
الموديل: ACC
المعلمات: Model:ACC
Nominal Size:DN65～DN80
2 1/2”〜3”
Pressure Rating:Class600〜Class2500
Features: Bellows stem sealing and a cup-shaped plug for precise flow regulation, enabling accurate control of the air-to-coal ratio without clogging.
Control Valve for Liquid Oxygen Service
الموديل: A Series
المعلمات: Product Name: Control Valve for Liquid Oxygen Service
Structure Type:Extended Cryogenic Type
Nominal Size:DN15～DN400
1/2”〜16”
Pressure Rating:Class150〜Class1500
Shut-Off Valve for Oxygen Service
الموديل: G Series
المعلمات: Model:G Series
Structure Type:Floating Ball / Trunnion-Mounted Ball
Nominal Size:DN15～DN600
1/2”〜24”
Pressure Rating:Class150〜Class1500
Control Valve for Oxygen Service
الموديل: A Series
المعلمات: Model:A Series
Structure Type:Bellows-Sealed Design
Nominal Size:DN15～DN600
1/2”〜24”
Pressure Rating:Class150〜Class1500
Angle Control Valve
الموديل: AEBM
المعلمات: Model:AEBM
Nominal Size Inlet: DN500～DN750
20〜30”
Outlet: DN600～DN1050
24〜42”
Pressure Rating:Class600〜Class900
Applications: Suitable for applications requiring high flow capacity, high control accuracy, and low differential pressure. When the compressor approaches surge conditions, the anti-surge valve automatically opens to increase flow and move the compressor away from the surge region. The anti-surge valve also features an air-to-open configuration, remaining in the open position in the absence of an input signal.
Linear Axial Flow Control Valve
الموديل: A2000-L
المعلمات: Model:A2000-L
Nominal Size:DN300～DN400
12”〜16”
Pressure Rating:Class600〜Class900
Applications: Suitable for applications requiring high flow capacity, high control accuracy, high differential pressure, and excellent resistance to pulsating flow-induced vibration, particularly for compressor units in long-distance transmission pipelines.
Triple Offset Butterfly Valve
الموديل: WB310
المعلمات: Model:WB310
Nominal Size:DN100～DN1600
4”〜64”
Pressure Rating:Class150〜Class900
Applications: Suitable for applications requiring high flow capacity, relatively moderate control accuracy, and low differential pressure. Offers cost advantages for large-diameter applications and is widely used for nominal sizes ≥ DN200.
Control Valve
الموديل: A Series
المعلمات: Model: A Series
Nominal Size:DN25～DN400
1”〜16”
Pressure Rating:Class150〜Class2500
Applications: Suitable for applications requiring relatively low flow capacity, high control accuracy, and relatively high differential pressure. Generally applicable to nominal sizes ≤ DN300, offering a more cost-effective solution.
Molecular Sieve Depressurization Valve
الموديل: V2100
المعلمات: Model:V-Port Ball Valve (V2100)
Structure Type:V-Port Ball
Nominal Size:DN25～DN500
1”〜20”
Pressure Rating:Class150〜Class600
Temperature Range:-46℃〜200℃
Molecular Sieve Pressure Equalization Valve
الموديل: G2070/G1520
المعلمات: Model:G2070/G1520 Ball Valve
Structure Type:Floating and Trunnion-Mounted Ball Designs with Bidirectional Sealing
Nominal Size:DN25～DN600
1”〜24”
Pressure Rating:Class150〜Class300
Temperature Range:-46℃〜200℃
Cryogenic Butterfly Valve
الموديل: WB Series
المعلمات: Model:WB Series Cryogenic Butterfly Valve
Structure Type:Triple-Eccentric Design (with Optional Access Port)
Nominal Size:DN80～DN1200
3”〜48”
Pressure Rating:Class150〜Class900
Temperature Range:-46℃〜-100℃/-101℃〜-196℃
Cryogenic Test Standard:BS6364、GB/T 24925-2019、MSS SP-134
Cryogenic Ball Valve
الموديل: G Series
المعلمات: Model: G Series Cryogenic Ball Valve
Structure Type: Side-Entry and Top-Entry Designs
Nominal Size:DN25～DN600
1”〜24”
Pressure Rating: Class150〜Class1500
Temperature Range: -46℃〜-100℃/-101℃〜-196℃
Cryogenic Test Standard: BS6364、GB/T 24925-2019、MSS SP-134
Cryogenic Control Valve
الموديل: A Series
المعلمات: Model:A Series Cryogenic Control Valve
Structure Type:Single-Seated, Cage-Guided, High Pressure Drop
Nominal Size:DN15～DN900
1/2”〜36”
Pressure Rating:Class150〜Class2500
Temperature Range:-46℃〜-100℃/-101℃〜-196℃
Cryogenic Test Standard:BS6364、GB/T 24925-2019、MSS SP-134
Control Valve for Auxiliary Steam from the Conventional Island to the Deaerator
الموديل: ABM
المعلمات: Model:ABM
Structure Type:Perforated Trim
Nominal Size:DN80～DN600
3”〜24”
Pressure Rating:Class150〜Class300
Desuperheating and Pressure Reducing Station
الموديل: APTS-F/APTS-Z
المعلمات: Model:APTS-F/APTS-Z
Structure Type:Split Skid-Mounted Type
Nominal Size:DN40～DN600
1 1/2”〜24”
Pressure Rating:Class150〜Class2500
Valve for Desulfurization System
الموديل: WB310
المعلمات: Model:WB310
Structure Type:Triple-Offset Inclined Conical Surface
Nominal Size:DN80～DN1100
3”〜44”
Pressure Rating:Class150〜Class600
Main Steam Drain System Valve
الموديل: G3010
المعلمات: Model:G3010
Structure Type:Trunnion-Mounted Ball
Nominal Size:DN25～DN500
1”〜20”
Pressure Rating:Class600〜Class1500
Turbine Drain Valve
الموديل: G1520
المعلمات: Model:G1520
Structure Type:Floating Ball, Trunnion-Mounted Ball
Nominal Size:DN15～DN600
1/2”〜24”
Pressure Rating:Class150〜Class400
Amine Booster Pump Recirculation Control Valve
الموديل: ATL/ATM
المعلمات: Model:ATL/ATM
Structure Type:Soft Anti-Cavitation Staged Type / WZTP Labyrinth Block
Nominal Size:DN25～DN200
1”〜8”
Pressure Rating:Class600〜Class2500
PX Program-Controlled Valve
الموديل: G1820
المعلمات: Model:G2072/G1820
Structure Type:Soft Seal / Metal Seal
Nominal Size:DN15～DN300
1/2”〜12”
Pressure Rating:Class300〜Class600
PDS High-Cycle Abrasion-Resistant Ball Valve
الموديل: G1820
المعلمات: Model:G1820
Structure Type:Trunnion-Mounted Ball, Full Port
Nominal Size:DN15～DN300
1/2”〜12”
Pressure Rating:Class300〜Class600
Polypropylene Discharge Valve
الموديل: G1820
المعلمات: Model:G2072/G1820
Structure Type:Soft Seal / Metal Seal
Nominal Size:DN15～DN300
1/2”〜12”
Pressure Rating:Class150〜Class600
High-Pressure Amine Solution Level Control Valve
الموديل: ATL/ATM
المعلمات: Model:ATL/ATM
Structure Type:Anti-Cavitation Staged Type / WZTP Labyrinth Block
Nominal Size:DN25～DN200
1”〜8”
Pressure Rating:Class600〜Class2500
HHPS High-Pressure Separator Level Control Valve & CHPS Cold High-Pressure Separator Level Control Valve
الموديل: ATL/ATM
المعلمات: Model:ATL/ATM
Structure Type:Anti-Cavitation Staged Type / WZTP Labyrinth Block
Nominal Size:DN25～DN200
1”〜8”
Pressure Rating:Class600〜Class2500
Feed Oil Pump Outlet Recirculation Valve
الموديل: ATL
المعلمات: Model:ATL
Structure Type:Anti-Cavitation Staged Type
Nominal Size:DN25～DN150
1”〜6”
Pressure Rating:Class600〜Class2500
Liquid Ammonia Control Valve
الموديل: ATE(HTE)
المعلمات: Model:ATE(HTE)
Structure Type:Spatial Turning Angle, Ant-Hole Type
Nominal Size:DN15、DN20、DN25
1/2”、3/4”、1”
Pressure Rating:Class600〜Class900
معرض الشركة
الشهادات والجوائز
قصص النجاح
Oil refinery
stable operation
Safe, leak-tight, corrosion-resistant, and reliable.
Coal Chemical Plants
stable operation
Built for severe high-temp/pressure solids service: wear/corrosion-resistant, anti-clogging, tight shutoff.
Power Stations And Power Units
stable operation
High-temp/pressure capable, fast and tight, safe and reliable, thermal-shock and erosion resistant.
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