Yenaut Industrial Company Limited

Product profile SUFA swing check valves are suitable for horizontal or vertical piping. It has a swing low quality valve and a smaller opening pressure difference. The automatic compensated sealing structure can be adjusted. A full range of pin-axle built-in and pin-axle external swing check valves are available, while some additional controls can also be added. Product Parameter 1. Size range: NPS 1 / 2-60 (DN15-1500); 2. Pressure rating: ASME CLASS 150-2500; 3. Design standards: API 602, BS 1868, ASME B16.34, etc.; 4. Main materials: carbon steel, alloy steel, stainless steel, etc.; 5. Connection type: flange end, butt welding end, etc. 

swing check valve

Product profile Discharge valve is mainly used for the bottom of storage tank, reaction kettle and other containers. The sealing surface is made of scour-resistant materials to ensure the reliability of valve sealing and is widely used in petrochemical, metallurgy and other industries. Product Parameter 1. Size range: NPS 1 / 2-24 (DN15-600); 2. Pressure rating: ASME CLASS 150-2500; 3. Design standard: ASME B16.34, etc.; 4. Main materials: carbon steel, alloy steel, stainless steel, etc.; 5. Connection type: flange end, butt welding end, etc.; 6. Operation type: electric, pneumatic, etc. 

Discharge valve

Product profile Bellows globe valve is often used in the strict working conditions of the valve stem leakage seal, double seal (bellows + packing) is designed to have a long service life, reduce the maintenance times, can provide a clean and safe working environment. Product Parameter 1. Size range: NPS 1-12 (DN25-350); 2. Pressure rating: ASME CLASS 150-600; 3. Design standards: BS 1873, API 623, API 602, MSS SP-117, ASME B16.34, etc.; 4. Main materials: carbon steel, alloy steel, stainless steel, etc.; 5. Connection type: flange end, butt welding end, bearing end, etc.; 6. Operation type: manual, electric, etc. 

Bellows globe valve

Product profile The SUFA cryogenic globe valve is suitable for cryogenic operating conditions. Using advanced design concept, high precision processing control and rigorous process management, strictly check the production process, the valve has reliable sealing, low operating torque, high cryogenic stability, long service life and other outstanding advantages, the products are widely used in air separation and other cryogenic industry. Product Parameter 1. Size range: NPS 1 / 2-20 (DN15-500); 2. Pressure rating: ASME CLASS 150-1500; 3. Design standards: API 602, BS 1873, GB / T 24925, JB / T 7749, MSS SP-134, etc.; 4. Main materials: cryogenic alloy steel, austenitic stainless steel, etc.; 5. Connection type: flange end, butt welding end, etc.; 6. Operation type: manual, electric, etc. 

cryogenic globe valve

   Product profile The globe valve is used to intercept the medium flow. The stem axis of the globe valve is perpendicular to the sealing surface of the valve seat, and is broken by driving the rise and fall of the valve core. Once the globe valve is in open state, it is no longer contact between the valve seat and valve seal surface, and has a very reliable cut action, so its sealing surface mechanical wear is smaller, because of the repair or replace the sealing element do not need to remove the whole valve from the pipeline, this for valve and pipeline welding is very suitable. Product Parameter ① Domestic design standard: GB / T12235 NB / T47044 GB / T28776 Size range: DN10-600 Pressure rating: PN16-42MPa, P54, P57 series ② Foreign design standard: ASME B16.34 BS1873 API623 API602 Diameter and the corresponding pressure range: Size range: NPS ½ -24 Pressure rating: CLASS150-2500 Main materials: carbon steel, stainless steel, alloy steel Connection type: butt welding end and flange end Operation type: manual and electric operation About us Founded in Hong Kong in 1988, Yenaut Industries Co., Ltd. is a wholly-owned subsidiary of China Nuclear Energy Industry Corporation.Since its establishment, Yenaut Industries Co., Ltd. has been deeply engaged in the energy industry, with the vision of providing customers with efficient, clean and sustainable energy solutions.Based in Hong Kong, backed by various production bases in Chinese mainland and the strong production capacity of partners, the company provides customers around the world with a wide range of materials, products, equipment and solutions, covering nuclear energy, petrochemical, chemical, coal chemical, electronics industry, semiconductor industry, automobile manufacturing, pharmaceutical and other fields.   

T-type globe valve

B-12 bellows valve is suitable for connecting and controlling vacuum and high-purity gas pipelines. Adopting the form of sealing gasket and valve body soft seal, and valve body metal hard seal; Sustainable metal corrugated pipes ensure ultra-high internal and external air tightness. The surface of the valve body is treated with mechanical grinding, electrolytic grinding, ultrasonic cleaning, and 100% helium testing and degreasing treatment. PARAMETERS: 流量系数（Cv） Flow coefficient Cv 2.3 公称压力   Max.working pressure 3500psig (241bar) 工作温度    Temperature range -25℃～65℃ 泄漏率（氦气） Leak rate(helium) 内部internal：≤ 2×10-10Pa·m3/s 外部external：≤2×10-10Pa·m3/s  连接方式    Connections 1/2"VCR、3/4"VCR、焊接Welding 孔径      Seat diameter size 12mm MEDIUM WETTED MATERIALS: 阀 体 Body materials：AISI 316L/316L vim+var/哈氏合金 Hastelloy 波纹管 Corrugated tube ： AISI 316L/哈氏合金 Hastelloy 阀 座 Seat disc：PCTFE/PVDF/PI OPTIONS: 电化学抛光 Electrochemical polishing 洁净室装配（百级洁净室） Cleanroom assembly (Class 100 cleanroom)  

B-12 bellows valve

Product profile SUFA high pressure three eccentric butterfly valve is suitable for PDH, syngas, catalytic cracking and other devices, but also suitable for other similar working conditions. Mainly play a cut-off and regulatory role. Product Parameter 1. Size range: NPS360 (DN80-1500); 2. Pressure rating: ASME CLASS 300~1500; 3. Design standards: API 609, Shell 77-212, ASME B16.34, etc.; 4. Main materials: alloy steel, stainless steel, etc.; 5. Connection type: flange end, butt welding end, etc.; 6. Operation type: manual, pneumatic, liquid dynamic, pneumatic-hydraulic, etc.; About us Founded in Hong Kong in 1988, Yenaut Industries Co., Ltd. is a wholly-owned subsidiary of China Nuclear Energy Industry Corporation.Since its establishment, Yenaut Industries Co., Ltd. has been deeply engaged in the energy industry, with the vision of providing customers with efficient, clean and sustainable energy solutions.Based in Hong Kong, backed by various production bases in Chinese mainland and the strong production capacity of partners, the company provides customers around the world with a wide range of materials, products, equipment and solutions, covering nuclear energy, petrochemical, chemical, coal chemical, electronics industry, semiconductor industry, automobile manufacturing, pharmaceutical and other fields.  Three eccentric butterfly valve Petrochemical valve High-pressure valve  

High-pressure triple eccentric butterfly valve

 Product profile Double eccentric butterfly valve (liquid control double seal) Introduction: The butterfly valve is an intelligent liquid control system to control, state data collection, real-time and dynamic detection of the valve and drive device, and provides operation and maintenance information and fault warning. Double seal is composed of working soft seal and maintenance hard seal. The working soft seal is set on the outlet side of the butterfly valve to perform the sealing function of the valve; the maintenance hard seal is set on the inlet side of the butterfly valve, and one valve is used as two valves to save the production cost. Product Parameter Size range: DN3000-5000 Pressure rating: PN6~35 Design standard: GB / T12238, CJ / T 261, AWW AC516, etc Main material: QT 500-7, WCB Connection type: flange type Operation type: liquid control About us Founded in Hong Kong in 1988, Yenaut Industries Co., Ltd. is a wholly-owned subsidiary of China Nuclear Energy Industry Corporation.Since its establishment, Yenaut Industries Co., Ltd. has been deeply engaged in the energy industry, with the vision of providing customers with efficient, clean and sustainable energy solutions.Based in Hong Kong, backed by various production bases in Chinese mainland and the strong production capacity of partners, the company provides customers around the world with a wide range of materials, products, equipment and solutions, covering nuclear energy, petrochemical, chemical, coal chemical, electronics industry, semiconductor industry, automobile manufacturing, pharmaceutical and other fields.  

Water turbine inlet water butterfly valve

 Product profile The key valves of SUFA hydrogenation station, such as ball valve and regulating valve, are suitable for the integrated pipeline of the hydrogenation station, such as compressor, control cabinet, hydrogenation machine, etc., and the pressure is up to 70MPa, which is also suitable for other similar working conditions of hydrogen energy. Reflects the excellent valve control, safety and sealing performance. Product Parameter Size: 3 / 8 ", 9 / 16" Pressure: 70MPa Design standard: BS / EN12516-2, etc Main material: stainless steel, etc Connection type: sleeve ring connection, etc Operation type: manual, electric, etc About us Founded in Hong Kong in 1988, Yenaut Industries Co., Ltd. is a wholly-owned subsidiary of China Nuclear Energy Industry Corporation.Since its establishment, Yenaut Industries Co., Ltd. has been deeply engaged in the energy industry, with the vision of providing customers with efficient, clean and sustainable energy solutions.Based in Hong Kong, backed by various production bases in Chinese mainland and the strong production capacity of partners, the company provides customers around the world with a wide range of materials, products, equipment and solutions, covering nuclear energy, petrochemical, chemical, coal chemical, electronics industry, semiconductor industry, automobile manufacturing, pharmaceutical and other fields.  

hydrogen production system valve

The DN100 vacuum valve is suitable for high-purity gases such as HFetc., with a right angle structure, the valve body is made of 316L forgings and sealed with metal bellows; By using a high-precision motor transmission mechanism and a specially developed intelligent controller, precise control of the pressure and flow behind the valve can be achieved. The special design of the valve core enables equal percentage adjustment of flow characteristics. PARAMETERS: ModelDTF-100Seat diameter size100mmMax. working pressure0.4 MPaDriving Type380/220V、50HzTemperature range0℃～70℃Flow coefficient (Kv)0.3～15m³/hVacuum degree1×10-3mmHgSwitching time≤8sLeak rateinternal：＜1×10-7Pa·L/s external：＜1×10-6Pa·L/s MAIN COMPONENT MARERIALS: 316L/316L(VIM+VAR)+HC OPTIONS: Electrochemical polishing Cleanroom assembly (Class 100 cleanroom) 

DTF100 electric control valve

The DN10 vacuum valve is suitable for high-purity gases such as HFetc., with a right angle structure, the valve body is made of 12Cr13 die forgings or stainless steel forgings, and sealed with metal bellows; The internal flow channels are all machined, with stable and reliable performance, and easy operation. PARAMETERS: ModelDN10Seat diameter size10mmMax. working pressure0.1 MPaTemperature range-30℃～100℃Vacuum degree1×10-3mmHgLeak rateinternal：＜1.33×10-5Pa·L/s external：＜1.33×10-6Pa·L/s MAIN COMPONENT MARERIALS: 12Cr13/321 OPTIONS: Electrochemical polishing Cleanroom assembly (Class 100 cleanroom) 

DN10 vacuum valve

The DN25 vacuum valve is suitable for high-purity gases such as HFetc., with a right angle structure, the valve body is made of 316L forgings and sealed with metal bellows; By using a high-precision motor transmission mechanism and a specially developed intelligent controller, precise control of the pressure and flow behind the valve can be achieved. The special design of the valve core enables equal percentage adjustment of flow characteristics. PARAMETERS: ModelDTF-65Seat diameter size65mmMax. working pressure0.4 MPaDriving Type380/220V、50HzTemperature range0℃～80℃Flow coefficient (Kv)0.1～10m³/hVacuum degree1×10-3mmHgSwitching time≤8sLeak rateinternal：＜1×10-7Pa·L/s external：＜1×10-6Pa·L/s MAIN COMPONENT MARERIALS: 316L/316L(VIM+VAR)+HC OPTIONS: Electrochemical polishing Cleanroom assembly (Class 100 cleanroom) 

DTF65 electric control valve

The DN25 vacuum valve is suitable for high-purity gases such as HFetc., with a right angle structure, the valve body is made of 12Cr13 die forgings or stainless steel forgings, and sealed with metal bellows; The internal flow channels are all machined, with stable and reliable performance, and easy operation. PARAMETERS: ModelDN10Seat diameter size10mmMax. working pressure0.1 MPaTemperature range-30℃～100℃Vacuum degree1×10-3mmHgLeak rateinternal：＜1.33×10-5Pa·L/s external：＜1.33×10-6Pa·L/s MAIN COMPONENT MARERIALS: 12Cr13/321 OPTIONS: Electrochemical polishing Cleanroom assembly (Class 100 cleanroom) 

DN25 vacuum valve

The DN3 vacuum needle valve is suitable for high-purity gases such as HFetc., with a three-way structure. The valve body is made of T2 die forgings or stainless steel forgings, and sealed with metal bellows; The internal flow channels are all machined, with stable and reliable performance, and easy operation. PARAMETERS: ModelDN3Seat diameter size3mmMax. working pressure0.1 MPaTemperature range-30℃～100℃Vacuum degree1×10-3mmHgLeak rateinternal：＜1.33×10-5Pa·L/s external：＜1.33×10-6Pa·L/s MAIN COMPONENT MARERIALS: T2/321 OPTIONS: Electrochemical polishing Cleanroom assembly (Class 100 cleanroom) 

DN3 vacuum needle valve

 Product profile The valve by the medium pressure, normal or abnormal stop the pump, by the disc and the medium back pressure and push the valve disc, first quickly close most of the stroke, and then use the damping of the buffer device, slow down the rest, to prevent the destructive water hammer and participate in controlling the valve of the reverse speed of the pump. Generally installed in the pump mouth, the main function is to prevent the medium backflow, prevent the pump and its drive motor reversal, effectively solve the impact of the pipeline system, as well as the discharge of the medium in the container, is widely used in water purification, source water, sewage, sea water and other medium supply and drainage system. Product Parameter Size range: DN400~800 Pressure rating: PN6~16 Design standard: JB / T 13880, CJ / T514 Main material: QT 500-7 Connection type: flange type Operation type: automatic About us Founded in Hong Kong in 1988, Yenaut Industries Co., Ltd. is a wholly-owned subsidiary of China Nuclear Energy Industry Corporation.Since its establishment, Yenaut Industries Co., Ltd. has been deeply engaged in the energy industry, with the vision of providing customers with efficient, clean and sustainable energy solutions.Based in Hong Kong, backed by various production bases in Chinese mainland and the strong production capacity of partners, the company provides customers around the world with a wide range of materials, products, equipment and solutions, covering nuclear energy, petrochemical, chemical, coal chemical, electronics industry, semiconductor industry, automobile manufacturing, pharmaceutical and other fields.   

Micro-resistance slow-closed check valve

 Product profile Semiconductor high purity diaphragm valve is suitable for semiconductor, photovoltaic, medical and other industries of storage tanks and pipelines. Mainly play the role of medium cut-off, the natural state is in the full off state. Product Parameter Size range: DN4, DN5 Pressure rating: ASME CLASS 150 Main material: 316L Connection type: butt welding end Operation type: manual, pneumatic About us Founded in Hong Kong in 1988, Yenaut Industries Co., Ltd. is a wholly-owned subsidiary of China Nuclear Energy Industry Corporation.Since its establishment, Yenaut Industries Co., Ltd. has been deeply engaged in the energy industry, with the vision of providing customers with efficient, clean and sustainable energy solutions.Based in Hong Kong, backed by various production bases in Chinese mainland and the strong production capacity of partners, the company provides customers around the world with a wide range of materials, products, equipment and solutions, covering nuclear energy, petrochemical, chemical, coal chemical, electronics industry, semiconductor industry, automobile manufacturing, pharmaceutical and other fields.  

Semiconductor high purity diaphragm valve

 Product profile Soft sealing gate valve (gas use) should be applicable to the municipal gas pipeline, city gate station, pressure regulating station gas transmission line and other working conditions. Bolted connection and pressure self-tight sealing family of products are available. Product Parameter Size range: DN50~600 Pressure rating: PN6~25 Design standard: CJ / T514 Main material: QT 500-7, WCB Connection type: flange type, PE pipe, butt welding Operation type: manual operation About us Founded in Hong Kong in 1988, Yenaut Industries Co., Ltd. is a wholly-owned subsidiary of China Nuclear Energy Industry Corporation.Since its establishment, Yenaut Industries Co., Ltd. has been deeply engaged in the energy industry, with the vision of providing customers with efficient, clean and sustainable energy solutions.Based in Hong Kong, backed by various production bases in Chinese mainland and the strong production capacity of partners, the company provides customers around the world with a wide range of materials, products, equipment and solutions, covering nuclear energy, petrochemical, chemical, coal chemical, electronics industry, semiconductor industry, automobile manufacturing, pharmaceutical and other fields.  

Soft-sealed gas gate valve

The P150S series gas cylinder valve is suitable for high-pressure, high-purity, corrosive, and toxic gases. It adopts a direct connected diaphragm external seal to prevent the generation of small particles in the area where the gas flows through. It can achieve separate control of filling and discharging, and has the characteristics of low leakage rate and high flow rate. PARAMETERS: 流量系数（Cv） Flow coefficient Cv 0.35 公称压力   Max.working pressure 15 MPa(2200psig) 工作温度    Temperature range -40℃～65℃ 泄漏率     Leak rate 内部internal：＜1×10-9Pa·m3/s 外部external：＜1×10-9Pa·m3/s 连接方式    Connections "NGT、1/2"VCR、1/4"VCR 孔径      Seat diameter size 3.5 mm 制造标准    Manufacturing standards GB/T15382-2021、CGA V-1-2023 MEDIUM WETTED MATERIALS: 阀 体 Body materials：AISI 316L/316L vim+var/哈氏合金 Hastelloy 膜 片 Diaphragm：哈氏合金 Hastelloy +镍基合金 Waspaloy 下主轴 Lower spindle：AISI 316L/316L vim+var/哈氏合金 Hastelloy/镍基合金 Waspaloy 阀 座 Seat disc：PCTFE/PVDF/PI OPTIONS: 电化学抛光 Electrochemical polishing 洁净室装配（百级洁净室） Cleanroom assembly (Class 100 cleanroom) 

P150S series cylinder valve

 Product profile The small steam turbine exhaust steam butterfly valve is located in the pipeline between the outlet of the boiler feed pump driven steam turbine and the inlet of the condenser, which mainly plays the role of exhaust steam in the system. When the small turbine needs to be stopped or repaired, the exhaust butterfly valve will be closed, which is to isolate the small turbine and maintain the vacuum environment of the condenser. Product Parameter Size range: DN50-DN2800 Pressure rating: 0.6MPa~2.5MPa Design standard: ASME B16.34 Main material: carbon steel Connection type: the flange end Operation type: electric operation About us Founded in Hong Kong in 1988, Yenaut Industries Co., Ltd. is a wholly-owned subsidiary of China Nuclear Energy Industry Corporation.Since its establishment, Yenaut Industries Co., Ltd. has been deeply engaged in the energy industry, with the vision of providing customers with efficient, clean and sustainable energy solutions.Based in Hong Kong, backed by various production bases in Chinese mainland and the strong production capacity of partners, the company provides customers around the world with a wide range of materials, products, equipment and solutions, covering nuclear energy, petrochemical, chemical, coal chemical, electronics industry, semiconductor industry, automobile manufacturing, pharmaceutical and other fields.   

Small steam turbine exhaust steam butterfly valve

The DN3 vacuum diaphragm valve is suitable for high-purity gases such as HFetc., with a three-way structure. The valve body is made of T2 die forgings or stainless steel forgings, and sealed with metal bellows; The internal flow channels are all machined, with stable and reliable performance, and easy operation. PARAMETERS: Inlet typeM18Working pressure0.98MPaFlow coefficient Cv0.29Temperature range-25℃～80℃Leak rateinternal：＜1×10-10Pa·m3/s external：＜1×10-10Pa·m3/s Pneumatic actuator working presure0.4MPa～0.7MPaLife time100 thousandMEDIUM WETTED MATERIALS: Body materials：SUS316LE/316L vim+var Seat disc：PCTFE/PI/PFA CLEANING PROCESS: BA: Mechanical grinding, roughness Ra ≤ 0.25 μ m, degreasing cleaning+precision cleaning. EP: mechanical grinding+electrolytic grinding, roughness Ra ≤ 0.13 μ m, degreasing cleaning+precision cleaning, double-layer packaging. 

DN3 vacuum diaphragm valve

The P304 series gas cylinder valve is suitable for high-pressure, high-purity, corrosive, and toxic gases. It adopts a direct connected diaphragm type external seal to ensure that there are no small particles generated in the area where the gas flows through, aiming to ensure high purity of the gas. It has the characteristics of low leakage rate and large flow rate. PARAMETERS: 流量系数（Cv） Flow coefficient Cv 0.35 公称压力   Max.working pressure 20MPa(3000psig) 工作温度    Temperature range -40℃～65℃ 泄漏率     Leak rate 内部internal：＜1×10-9Pa·m3/s 外部external：＜1×10-9Pa·m3/s  连接方式    Connections CGA718、3/4"NGT 孔径      Seat diameter size 4mm 制造标准    Manufacturing standards GB/T15382-2021、CGA V-1-2023 MEDIUM WETTED MATERIALS: 阀 体 Body materials：AISI 316L/316L vim+var/哈氏合金 Hastelloy 膜 片 Diaphragm：哈氏合金 Hastelloy +镍基合金 Waspaloy 下主轴 Lower spindle：AISI 316L/316L vim+var/哈氏合金 Hastelloy/镍基合金 Waspaloy 阀 座 Seat disc：PCTFE/PVDF/PI OPTIONS: 电化学抛光 Electrochemical polishing 洁净室装配（百级洁净室） Cleanroom assembly (Class 100 cleanroom) 

P304S series cylinder valve

Product profile SUFA high pressure hydrogenation gate valve is suitable for refining hydrogenation unit, including residue oil hydrogenation, wax oil hydrogenation, gasoline and diesel hydrogenation, lubricating oil hydrogenation, aromatics hydrogenation, etc., and also suitable for other similar working conditions. It is mainly used for the required position of bidirectional flow, cut off, often in the full open or full close state, and should not be partially opened or used for throttling. Product Parameter 1). Size range: NPS 1 / 2-36 (DN15-900); 2). Pressure rating: ASME CLASS 900-4500; 3). Design standard: API 602, API 600, NACE 0103 / ISO 15156, ISO 15848, ASME B16.34, etc.; 4). Main materials: carbon steel, alloy steel, stainless steel, nickel base, etc.; 5). Connection type: flange end, butt welding end, socket welding, etc.; 6). Operation type: manual, electric, etc. 

Hydrogenation gate valve

Product profile The pneumatic Y type drain valve of conventional island for thermal power plant for steam pipeline drainage. When the boiler is running normally, the drain valve is closed. After the boiler is stopped, it can be used as steam, saturated water or condensed water from the drain pipeline. Product Parameter Size range: DN50-DN200 Pressure rating: CLASS600-CLASS4500 Design standard: ASME B16.34 Main material: alloy steel Connection type: butt welding end Operation type: pneumatic actuator 

Power plant and conventional island pneumatic Y type trap

The HP-R1015 pressure regulating valve is suitable for high-purity gases and adopts a stainless steel structure with a diaphragm type hard seal design. The internal flow channel is electrolytic polished, and the output pressure is stable, meeting the requirements of large-scale integrated circuits. This product complies with SEMI and ASTM standards. PARAMETERS: 流量系数（Cv）  Flow coefficient Cv 0.09 出口工作压力  Outlet pressure 5psig～150psig（0.34bar～10bar） 工作温度     Temperature range -25℃～65℃ 泄漏率（氦气）  Leak rate(helium) 内部internal：≤2×10-10Pa·m3/s 外部external：≤2×10-9Pa·m3/s 端口连接     Connections UNF、焊接Welding 最大进口压力   Max.inlet pressure 3500 psig（241bar） MEDIUM WETTED MATERIALS: 阀 体 Body materials：SUS316L/316L vim+var 膜 片 Diaphragm：316L/哈氏合金 Hastelloy 阀 座 Seat disc：PCTFE/PFA/PI OTHER: 采用去离子水进行超声波清洗，装配、包装均在百级洁净室内完成。Ultrasonic cleaning is carried out using deionized water, and assembly and packaging are completed in a Class 100 clean room.  

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