SOLAR BASED HEATING. As a B2B solution provider in the core areas of energy and environment, Thermax is committed to the development of sustainable alternatives for the industry to manage resources productively and without waste.
SOLAR BASED HEATING. As a B2B solution provider in the core areas of energy and environment, Thermax is committed to the development of sustainable alternatives for the industry to manage resources productively and without waste.
China Boiler sale co.,ltd. Contactzhu benning; Phone0086-532-86998710; AddressNo666 Jiangshan Road Economic and Technical Development Area,Qingdao.China Hanzhoung,Shaanxi
China Boiler sale co.,ltd. Contactzhu benning; Phone0086-532-86998710; AddressNo666 Jiangshan Road Economic and Technical Development Area,Qingdao.China Hanzhoung,Shaanxi
2020-10-9 · Heat transfer through plates instead of tubes offers many advantages. Turbulent flow at low velocity produces high heat transfer efficiency and low fouling. You save boiler fuel. Maintenance burdens are reduced. Weight and footprint are smaller. Frequency of corrosion and leaks pale in comparison.
2020-10-9 · Heat transfer through plates instead of tubes offers many advantages. Turbulent flow at low velocity produces high heat transfer efficiency and low fouling. You save boiler fuel. Maintenance burdens are reduced. Weight and footprint are smaller. Frequency of corrosion and leaks pale in comparison.
As a market leader for industrial steam turbines, we offer a comprehensive range of reliable and versatile steam turbines for the power output range from 2 to 250 MW. Our industrial steam turbines are designed for easy constructability, fast start-up and economical operation.
As a market leader for industrial steam turbines, we offer a comprehensive range of reliable and versatile steam turbines for the power output range from 2 to 250 MW. Our industrial steam turbines are designed for easy constructability, fast start-up and economical operation.
2020-10-9 · Armstrong's Wireless, Handheld Tool for Steam Trap Testing Our new automated trap testing device allows any steam trap technician to survey traps quickly, easily and accurately while information syncs seamless to SAGE®. Learn More. At Armstrong, Effective Knowledge Transfer is a High Priority
2020-10-9 · Armstrong's Wireless, Handheld Tool for Steam Trap Testing Our new automated trap testing device allows any steam trap technician to survey traps quickly, easily and accurately while information syncs seamless to SAGE®. Learn More. At Armstrong, Effective Knowledge Transfer is a High Priority
Customers around the world count on our process heating engineering experience, site service acumen, and superior products.
Customers around the world count on our process heating engineering experience, site service acumen, and superior products.
Heater elements of the boiler are extremely reliable, having successfully exceeded over 300.000 on/off cycles. Mechanical reliability is also synonym of long lifetime: welds are guaranteed for 500.000 high pressure cycles. Upper lid: perimetral fittings The water/steam outlet is a standard G1/4"F threaded fitting in the center of the upper lid.
Heater elements of the boiler are extremely reliable, having successfully exceeded over 300.000 on/off cycles. Mechanical reliability is also synonym of long lifetime: welds are guaranteed for 500.000 high pressure cycles. Upper lid: perimetral fittings The water/steam outlet is a standard G1/4"F threaded fitting in the center of the upper lid.
Reliability, performance, reduced costs Heat recovery steam generators constitute a key element in the energy performance of electric power plants. They are also at the heart of our history. To design and propose innovative heat recovery steam generators solutions, John Cockerill Energy is able to combine over 200 years of expertise with its desire to
Reliability, performance, reduced costs Heat recovery steam generators constitute a key element in the energy performance of electric power plants. They are also at the heart of our history. To design and propose innovative heat recovery steam generators solutions, John Cockerill Energy is able to combine over 200 years of expertise with its desire to
2020-10-9 · Armstrong's Wireless, Handheld Tool for Steam Trap Testing Our new automated trap testing device allows any steam trap technician to survey traps quickly, easily and accurately while information syncs seamless to SAGE®. Learn More. At Armstrong, Effective Knowledge Transfer is a High Priority
2020-10-9 · Armstrong's Wireless, Handheld Tool for Steam Trap Testing Our new automated trap testing device allows any steam trap technician to survey traps quickly, easily and accurately while information syncs seamless to SAGE®. Learn More. At Armstrong, Effective Knowledge Transfer is a High Priority
2016-6-28 · Boiler Calorex Standard G20 LP y N – Mueblería Maya de Boiler Calorex Standard G20 LP y N Clave: 8253 / 8209 . Precio: Síguenos en. Productos y precios Monterrey, N.L. Hurst Boiler | Boiler Sales and Service in Mexico
2016-6-28 · Boiler Calorex Standard G20 LP y N – Mueblería Maya de Boiler Calorex Standard G20 LP y N Clave: 8253 / 8209 . Precio: Síguenos en. Productos y precios Monterrey, N.L. Hurst Boiler | Boiler Sales and Service in Mexico
The boiler undergoes thermal shock when cold water is introduced to the hot surfaces of the boiler wall and its tubes. Hotter feedwater means a lower temperature difference and less risk of thermal shock. To maintain the designed output. The lower the boiler feedwater temperature, the more heat is required in the boiler to produce steam.
The boiler undergoes thermal shock when cold water is introduced to the hot surfaces of the boiler wall and its tubes. Hotter feedwater means a lower temperature difference and less risk of thermal shock. To maintain the designed output. The lower the boiler feedwater temperature, the more heat is required in the boiler to produce steam.
2020-10-8 · Key Applications : Boiler, Steam Turbine Generator, Reactor Building, Turbine Building, Steam Turbine, Heat Recovery Steam Generator. Type 1511 Safety Valve Power Generation, Paper.
2020-10-8 · Key Applications : Boiler, Steam Turbine Generator, Reactor Building, Turbine Building, Steam Turbine, Heat Recovery Steam Generator. Type 1511 Safety Valve Power Generation, Paper.
Kimbal Musk: Geek chef. How microchips are revolutionizing American cuisine. When most people hear the name "Musk", they think of Elon, the founder of Tesla and SpaceX.
Kimbal Musk: Geek chef. How microchips are revolutionizing American cuisine. When most people hear the name "Musk", they think of Elon, the founder of Tesla and SpaceX.
2015-8-15 · Steam Service 1900 TD 1900-30 TD Balancing Piston - 1900-35 Features: Conventional design. Flat seat, top guided, high capacity, conforming to API 520, 526 abd 527. Available in a wide range of materials of construction. Adjustable blowdown 5% to 10%. Balanced bellows design. 526 and 527. For more information refer catalogue SRV-1 SRV-1
2015-8-15 · Steam Service 1900 TD 1900-30 TD Balancing Piston - 1900-35 Features: Conventional design. Flat seat, top guided, high capacity, conforming to API 520, 526 abd 527. Available in a wide range of materials of construction. Adjustable blowdown 5% to 10%. Balanced bellows design. 526 and 527. For more information refer catalogue SRV-1 SRV-1
2019-11-1 · Skid-Mounted Boiler Solutions Installing a steam boiler system can be a huge headache when you're dealing with different companies supplying components and leaving you to figure out how to make them work together. Cleaver-Brooks pre-packaged, skid-mounted steam boiler solutions offer a simple way to get up and run
2019-11-1 · Skid-Mounted Boiler Solutions Installing a steam boiler system can be a huge headache when you're dealing with different companies supplying components and leaving you to figure out how to make them work together. Cleaver-Brooks pre-packaged, skid-mounted steam boiler solutions offer a simple way to get up and run
During formation in the boiler, steam leaves behind impurities (TDS - total dissolved solids). If left these concentrate and cause damage to the boiler. Vent Heads. Fitted to the top of a vent pipe, dissipates the velocity of vapour ejected to atmosphere. Mexico (México) Perú
During formation in the boiler, steam leaves behind impurities (TDS - total dissolved solids). If left these concentrate and cause damage to the boiler. Vent Heads. Fitted to the top of a vent pipe, dissipates the velocity of vapour ejected to atmosphere. Mexico (México) Perú
A wide variety of 600kg steam boiler price options are available to you, such as united kingdom. You can also choose from long service life, high-accuracy, and automatic 600kg steam boiler price, as well as from hotels, manufacturing plant, and building material shops 600kg steam boiler price, and whether 600kg steam boiler price is 1 year.
A wide variety of 600kg steam boiler price options are available to you, such as united kingdom. You can also choose from long service life, high-accuracy, and automatic 600kg steam boiler price, as well as from hotels, manufacturing plant, and building material shops 600kg steam boiler price, and whether 600kg steam boiler price is 1 year.
2014-7-1 · Boiler Factory is located at Vapi, Gujarat in India. IBL is one of the Largest Boiler manufacturers in India. IB Turbo Pvt Ltd. manufacturer of Steam Turbines,Vietnam and also covering various parts of Asia. Chairman amp; Managing Director Mrs. Homai Engineer. Technical directors are Mr. Rohinton Engineer (R. R. Engineer) amp; Mr. Cyrus Engineer (C.R. Engineer)
2014-7-1 · Boiler Factory is located at Vapi, Gujarat in India. IBL is one of the Largest Boiler manufacturers in India. IB Turbo Pvt Ltd. manufacturer of Steam Turbines,Vietnam and also covering various parts of Asia. Chairman amp; Managing Director Mrs. Homai Engineer. Technical directors are Mr. Rohinton Engineer (R. R. Engineer) amp; Mr. Cyrus Engineer (C.R. Engineer)
Download catalogue here. We supply not only electric heating elements but also integrated functions. We develop and manufacture complete heating systems which include steam generators and water heaters ready for installation and provided with electric heating
Download catalogue here. We supply not only electric heating elements but also integrated functions. We develop and manufacture complete heating systems which include steam generators and water heaters ready for installation and provided with electric heating
industrial boiler catalogue 580 degree capacity. HOME industrial boiler catalogue 580 degree capacity. 14th gas steam boiler in mexico for power plant List of power stations in New Mexico - WikipediaThe following page lists power stations in the U.S. state o
industrial boiler catalogue 580 degree capacity. HOME industrial boiler catalogue 580 degree capacity. 14th gas steam boiler in mexico for power plant List of power stations in New Mexico - WikipediaThe following page lists power stations in the U.S. state o
Boiler Steel Products amp; Engineering (Pty) Ltd. Is a specialist import / export supplier of tubes, pipes and components in steel and special steel alloys to Southern Africa. Our world-wide partner is the UPC Group of companies with offices in Germany, U.K., USA, Mexico, Venezuela and Brazil.
Boiler Steel Products amp; Engineering (Pty) Ltd. Is a specialist import / export supplier of tubes, pipes and components in steel and special steel alloys to Southern Africa. Our world-wide partner is the UPC Group of companies with offices in Germany, U.K., USA, Mexico, Venezuela and Brazil.
catalogue of steam boilers for coal fired with specifications. HOME catalogue of steam boilers for coal fired with specifications. solid fuel shell boiler 18tons oil and gas fired boiler in mexico for power plant inside a boiler (coal fired power plant) - YouTubeClick to view on B Click to view on Bing3:25Dec 0 GET A QUOTE
catalogue of steam boilers for coal fired with specifications. HOME catalogue of steam boilers for coal fired with specifications. solid fuel shell boiler 18tons oil and gas fired boiler in mexico for power plant inside a boiler (coal fired power plant) - YouTubeClick to view on B Click to view on Bing3:25Dec 0 GET A QUOTE
catalogue of steam boilers for coal fired with specifications. HOME catalogue of steam boilers for coal fired with specifications. solid fuel shell boiler 18tons oil and gas fired boiler in mexico for power plant inside a boiler (coal fired power plant) - YouTubeClick to view on B Click to view on Bing3:25Dec 0 GET A QUOTE
catalogue of steam boilers for coal fired with specifications. HOME catalogue of steam boilers for coal fired with specifications. solid fuel shell boiler 18tons oil and gas fired boiler in mexico for power plant inside a boiler (coal fired power plant) - YouTubeClick to view on B Click to view on Bing3:25Dec 0 GET A QUOTE
Fulton is a global manufacturer of steam, hot water and thermal fluid (hot oil) heat transfer products. Fulton specializes in complete industrial/commercial boiler and heater systems.
Fulton is a global manufacturer of steam, hot water and thermal fluid (hot oil) heat transfer products. Fulton specializes in complete industrial/commercial boiler and heater systems.
During formation in the boiler, steam leaves behind impurities (TDS - total dissolved solids). If left these concentrate and cause damage to the boiler. Vent Heads. Fitted to the top of a vent pipe, dissipates the velocity of vapour ejected to atmosphere. Mexico (México) Perú
During formation in the boiler, steam leaves behind impurities (TDS - total dissolved solids). If left these concentrate and cause damage to the boiler. Vent Heads. Fitted to the top of a vent pipe, dissipates the velocity of vapour ejected to atmosphere. Mexico (México) Perú
INDUSTRIAL HEATING ELEMENTS FROM WATTCOTM Wattco™ manufactures a complete line of flange heaters, circulation heaters, tubular heaters, and immersion heating elements for a wide variety of industrial and commercial applications since 1969. With a resourceful sales team and knowledge base, WATTCO™ is able to provide customers with heaters and controls with exceptional, performance and
INDUSTRIAL HEATING ELEMENTS FROM WATTCOTM Wattco™ manufactures a complete line of flange heaters, circulation heaters, tubular heaters, and immersion heating elements for a wide variety of industrial and commercial applications since 1969. With a resourceful sales team and knowledge base, WATTCO™ is able to provide customers with heaters and controls with exceptional, performance and
We have been giving considerable attention to Covid-19 (or "coronavirus") prevention and preparedness. We would like to share with you the steps BUNN is taking to continue providing you the beverage equipment and equipment service your business required.
We have been giving considerable attention to Covid-19 (or "coronavirus") prevention and preparedness. We would like to share with you the steps BUNN is taking to continue providing you the beverage equipment and equipment service your business required.
universal steam boiler Go back to participants list Product gallery Universal Kazan has carried its outstanding production quality all over the world since its foundation, as a solution partner of many international industry chains.
universal steam boiler Go back to participants list Product gallery Universal Kazan has carried its outstanding production quality all over the world since its foundation, as a solution partner of many international industry chains.
2014-7-1 · Boiler Factory is located at Vapi, Gujarat in India. IBL is one of the Largest Boiler manufacturers in India. IB Turbo Pvt Ltd. manufacturer of Steam Turbines,Vietnam and also covering various parts of Asia. Chairman amp; Managing Director Mrs. Homai Engineer. Technical directors are Mr. Rohinton Engineer (R. R. Engineer) amp; Mr. Cyrus Engineer (C.R. Engineer)
2014-7-1 · Boiler Factory is located at Vapi, Gujarat in India. IBL is one of the Largest Boiler manufacturers in India. IB Turbo Pvt Ltd. manufacturer of Steam Turbines,Vietnam and also covering various parts of Asia. Chairman amp; Managing Director Mrs. Homai Engineer. Technical directors are Mr. Rohinton Engineer (R. R. Engineer) amp; Mr. Cyrus Engineer (C.R. Engineer)
Creating an Environmentally Friendly Society and Clean and Comfortable Lives. With the aim of fulfilling our corporate mission of "contributing to creating a society that is environmentally friendly and ways of living that are clean and comfortable through our work in the field of the Energy, Water, and Environment," the MIURA Group has established a global sales and maintenance network
Creating an Environmentally Friendly Society and Clean and Comfortable Lives. With the aim of fulfilling our corporate mission of "contributing to creating a society that is environmentally friendly and ways of living that are clean and comfortable through our work in the field of the Energy, Water, and Environment," the MIURA Group has established a global sales and maintenance network
Valves by GESTRA satisfy the most demanding requirements for reliable, loss-free operation, while being maintenance-friendly. Learn more about valves!
Valves by GESTRA satisfy the most demanding requirements for reliable, loss-free operation, while being maintenance-friendly. Learn more about valves!
Velan is a world leader in the design and production of a wide range of cast and forged steel gate, globe, check, ball, triple-offset butterfly, knife gate, highly engineered severe service valves, and steam traps offering superior performance across all major industrial applications.
Velan is a world leader in the design and production of a wide range of cast and forged steel gate, globe, check, ball, triple-offset butterfly, knife gate, highly engineered severe service valves, and steam traps offering superior performance across all major industrial applications.
Reliability, performance, reduced costs Heat recovery steam generators constitute a key element in the energy performance of electric power plants. They are also at the heart of our history. To design and propose innovative heat recovery steam generators solutions, John Cockerill Energy is able to combine over 200 years of expertise with its desire to
Reliability, performance, reduced costs Heat recovery steam generators constitute a key element in the energy performance of electric power plants. They are also at the heart of our history. To design and propose innovative heat recovery steam generators solutions, John Cockerill Energy is able to combine over 200 years of expertise with its desire to
Schlumberger is the world's leading oilfield services provider. Cutting-edge solutions for reservoir characterization, drilling, production amp; processing.
Schlumberger is the world's leading oilfield services provider. Cutting-edge solutions for reservoir characterization, drilling, production amp; processing.
With over a century of experience and continuous development in our steam turbine technology, Siemens is a prime partner for your business. More than 120,000 steam turbines delivered worldwide prove that we are a reliable and experienced partner. Our steam turbines work as generator drives or as mechanical drives for compressors or pumps.
With over a century of experience and continuous development in our steam turbine technology, Siemens is a prime partner for your business. More than 120,000 steam turbines delivered worldwide prove that we are a reliable and experienced partner. Our steam turbines work as generator drives or as mechanical drives for compressors or pumps.
2019-12-13 · It is typically used for manufacturing ruthless boiler (The working pressure is not more than 9.8 MPa and the significant temperature is between 450℃ and 650℃.), heating surface tube box, economizer, superheater, reheater, boiler water wall and steam pipe. JST seamless boiler pipes are featured with high yield strength, high tensile
2019-12-13 · It is typically used for manufacturing ruthless boiler (The working pressure is not more than 9.8 MPa and the significant temperature is between 450℃ and 650℃.), heating surface tube box, economizer, superheater, reheater, boiler water wall and steam pipe. JST seamless boiler pipes are featured with high yield strength, high tensile
Customers around the world count on our process heating engineering experience, site service acumen, and superior products.
Customers around the world count on our process heating engineering experience, site service acumen, and superior products.
2010-9-9 · Steam Silencer M.I. Carlos A. Miranda Herrera Carretera Pascualitos-Pescaderos Km. 26.5, Delegacion Cerro Prieto, Mexicali B.C., Mexico. carlos.miranda02cfe.gob.mx Keywords: steam silencer, noise reduction, pressure relief ABSTRACT This project describes how power plants can make their own steam silencers. The silencer is for dry steam based on
2010-9-9 · Steam Silencer M.I. Carlos A. Miranda Herrera Carretera Pascualitos-Pescaderos Km. 26.5, Delegacion Cerro Prieto, Mexicali B.C., Mexico. carlos.miranda02cfe.gob.mx Keywords: steam silencer, noise reduction, pressure relief ABSTRACT This project describes how power plants can make their own steam silencers. The silencer is for dry steam based on
Kimbal Musk: Geek chef. How microchips are revolutionizing American cuisine. When most people hear the name "Musk", they think of Elon, the founder of Tesla and SpaceX.
Kimbal Musk: Geek chef. How microchips are revolutionizing American cuisine. When most people hear the name "Musk", they think of Elon, the founder of Tesla and SpaceX.
2020-10-8 · Aalborg OS and Aalborg OC boilers ranging in steam capacity from 1.6 - 6.5 t/h and 0.75 - 5.0 t/h, respectively. Alfa Laval Aalborg pressure jet burner - Monobloc Aalborg KBO pressure jet burner . Capacity range: 650 - 3,500 kW; For diesel oil at a viscosity of min. 4 cSt. at 20 °C, or heavy fuel oil at a viscosity of up to 380 cSt at 50 °C
2020-10-8 · Aalborg OS and Aalborg OC boilers ranging in steam capacity from 1.6 - 6.5 t/h and 0.75 - 5.0 t/h, respectively. Alfa Laval Aalborg pressure jet burner - Monobloc Aalborg KBO pressure jet burner . Capacity range: 650 - 3,500 kW; For diesel oil at a viscosity of min. 4 cSt. at 20 °C, or heavy fuel oil at a viscosity of up to 380 cSt at 50 °C
Velan is a world leader in the design and production of a wide range of cast and forged steel gate, globe, check, ball, triple-offset butterfly, knife gate, highly engineered severe service valves, and steam traps offering superior performance across all major industrial applications.
Velan is a world leader in the design and production of a wide range of cast and forged steel gate, globe, check, ball, triple-offset butterfly, knife gate, highly engineered severe service valves, and steam traps offering superior performance across all major industrial applications.
Boiler controls and systems 10 Feedtanks, level controls and alarms, feedpump check valves, boiler blowdown valves, TDS control systems, steam injection systems, sample coolers, heat recovery systems, conductivity meters, condensate contamination detectors, blowdown vessels and vent heads.
Boiler controls and systems 10 Feedtanks, level controls and alarms, feedpump check valves, boiler blowdown valves, TDS control systems, steam injection systems, sample coolers, heat recovery systems, conductivity meters, condensate contamination detectors, blowdown vessels and vent heads.
Engineering steam performance — Proche de vous partout dans le monde — Leader sur le plan international, GESTRA est un fabricant de robinetteries et de technique de régulation pour les applications de vapeur et de condensat.
Engineering steam performance — Proche de vous partout dans le monde — Leader sur le plan international, GESTRA est un fabricant de robinetteries et de technique de régulation pour les applications de vapeur et de condensat.
2016-6-28 · Boiler Calorex Standard G20 LP y N – Mueblería Maya de Boiler Calorex Standard G20 LP y N Clave: 8253 / 8209 . Precio: Síguenos en. Productos y precios Monterrey, N.L. Hurst Boiler | Boiler Sales and Service in Mexico
2016-6-28 · Boiler Calorex Standard G20 LP y N – Mueblería Maya de Boiler Calorex Standard G20 LP y N Clave: 8253 / 8209 . Precio: Síguenos en. Productos y precios Monterrey, N.L. Hurst Boiler | Boiler Sales and Service in Mexico
A wide variety of 600kg steam boiler price options are available to you, such as united kingdom. You can also choose from long service life, high-accuracy, and automatic 600kg steam boiler price, as well as from hotels, manufacturing plant, and building material shops 600kg steam boiler price, and whether 600kg steam boiler price is 1 year.
A wide variety of 600kg steam boiler price options are available to you, such as united kingdom. You can also choose from long service life, high-accuracy, and automatic 600kg steam boiler price, as well as from hotels, manufacturing plant, and building material shops 600kg steam boiler price, and whether 600kg steam boiler price is 1 year.
2020-10-8 · Key Applications : Boiler, Steam Turbine Generator, Reactor Building, Turbine Building, Steam Turbine, Heat Recovery Steam Generator. Type 1511 Safety Valve Power Generation, Paper.
2020-10-8 · Key Applications : Boiler, Steam Turbine Generator, Reactor Building, Turbine Building, Steam Turbine, Heat Recovery Steam Generator. Type 1511 Safety Valve Power Generation, Paper.
2019-12-24 · Kunkle Valve is a leading manufacturer of quality safety and relief valve products for industrial and commercial applications, including steam, air, liquid (including cryogenics) and non-hazardous gases.
2019-12-24 · Kunkle Valve is a leading manufacturer of quality safety and relief valve products for industrial and commercial applications, including steam, air, liquid (including cryogenics) and non-hazardous gases.
Qingdao East Power Industry Equipment Co., Ltd., Experts in Manufacturing and Exporting Steam Boiler, Thermal Oil Boiler and 616 more Products. A Verified CN Gold Supplier on Alibaba.com.
Qingdao East Power Industry Equipment Co., Ltd., Experts in Manufacturing and Exporting Steam Boiler, Thermal Oil Boiler and 616 more Products. A Verified CN Gold Supplier on Alibaba.com.
Boiler feed pumps are also referred to as feed pumps (see Reactor pump) and designed as multistage radial flow pumps. (Also see Multistage pump.) They serve to feed a steam generator such as a boiler or a nuclear reactor with a quantity of feed water corresponding to the quantity of steam emitted. Today, all boiler feed pumps are centrifugal pumps. The design of boiler feed pumps regarding
Boiler feed pumps are also referred to as feed pumps (see Reactor pump) and designed as multistage radial flow pumps. (Also see Multistage pump.) They serve to feed a steam generator such as a boiler or a nuclear reactor with a quantity of feed water corresponding to the quantity of steam emitted. Today, all boiler feed pumps are centrifugal pumps. The design of boiler feed pumps regarding
Heavy duty control vales, electric control valves with fail closed unit, steam-converting valves, multi nozzle lancer desuperheater, feed-water control valves with re-circulation connection, continuos blow down valves, bottom blowdown valves, valves for discharge / re-circulation control. Self operated valves
Heavy duty control vales, electric control valves with fail closed unit, steam-converting valves, multi nozzle lancer desuperheater, feed-water control valves with re-circulation connection, continuos blow down valves, bottom blowdown valves, valves for discharge / re-circulation control. Self operated valves
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