Boiler Feedpump Recirculation Valve with

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θrion Gas Fired Steam Boiler

Capacity:1-20t/h

Rated thermal efficiency: 100-104%

Fixed working pressure: ≤1.6MPa

Applicable fuel:natural gas etc.

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Gas(oil) Fired Integrated Hot Water Boiler

Capacity:0.7-14MW

Rated thermal efficiency:96-98%

Fixed working pressure:≤1.25MPa

Applicable fuel:Natural gas, light oil, etc.

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H6 Gas Fired Hot Water Boiler

Capacity:0.7-2.8Mw

Rated thermal efficiency: 97.2-106%

Fixed working pressure:0.1MPa

Applicable fuel:Natural gas, etc.

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T7 Vacuum Hot Water Boilerr

Capacity:2.8-7.0Mw

Rated thermal efficiency:≥105.5%

Fixed working pressure:-0.02MPa

Applicable fuel:Natural gas, etc.

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V6 Gas Fired Hot Water Boiler

Capacity:99Kw

Rated thermal efficiency:97.2-104.4%

Fixed working pressure:1.0MPa

Applicable fuel:Natural gas, etc.

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Electric Steam Boiler

Capacity:0.5-4.0 t/h

Rated thermal efficiency:98%

Fixed working pressure:≤1.25MPa

Applicable fuel:electric energy

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  • Control Valves _Product Overview_GAP Valves

    Boiler Feedpump Recirculation Valve. Boiler Feedpump Recirculation Valve Used in the biggest 1350MW thermal power unit Patent designed cage. Details • For severe steam&water application. Attemperator Spray Control Valve • For severe steam&water application. Details. Concentrated Solar Power Generation ApplicationGet Price

  • Mutlipole Pilot-operated Boiler Feedpump Recirculation Valve

    BOILER FEEDPUMP RECIRCULATION. for this valve is as follows: When the boiler feedpump is firststarted, the recirculation valve will be opened and the feedwater valve will be slowly opened as the planned comes on line. Once the feedwater valve reaches 10% to 25% of pump capacity, the recirculation valve will go closed. This. Get a QuoteGet Price

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  • Boiler Feedwater Recirculation Valve – REXA, Inc

    Oct 09, 2019 · Responsive and repeatable control of the Boiler Feedwater Recirculation (BFR) Valve protects a plant's investment in the boiler feedpump while allowing it to deliver the required flow to the boiler. The feedwater recirculation valve is responsible for taking almost a full pressure drop across the valve. This valve is typically designed for Class V shutoff and to fail …Get Price

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  • V E L O C I T Y C O N T R O L T E C H N - TSI Corporation

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  • BOILER FEEDWATER RECIRCULATION VALVE

    Recirculation (BFR) Valve, which protects the plant's investment in the boiler feedpump while still allowing the feedpump to deliver the required flow to the boiler. Depending upon plant type and design, the feedwater recirculation valve sees upstream pressure in the 2500-4500PSI range, and is responsible for taking almost a full pressure drop across the valve. Since this valve is …Get Price

  • Boiler feed pump recirculation valve problem

    Sep 22, 2015 · Boiler feed pump recirculation valve problem. 1. Prepared by KODANDAPANI VUDUGUNDLA ADE/TURBINE MAINTENANCE/RTPP. 2., RC Valve Details Type : CCI Drag 100DR 4X4 GLOBE VALVE Pr class 2500 ANSI Design pr -320kg/cm2, Temp-180C Max seat leakage-5cc/min valve Trim -24 stage disc stack. 3.Get Price

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    The boiler feedpump normally delivers feedwater from the deaerator (or feedwater bypass) to the economiser in high pressure conditions of up to 340bar/260oC (5000psi/500oF). When not providing the minimum flow at the pump suction to prevent the feedpump from overheating and cavitating, the recirculation valves must provide tight shutoff.Get Price

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    In addition, for each boiler feedpump (most plants have two per HRSG), there is a recirculation valve that recycles a portion of feedwater flow back to the low-pressure (lp) drum or deaerator to prevent the boiler feedpump from overheating and potentially cavitating.Get Price

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    Boiler Feedpump Recirculation 78000 / 78000 PRT Design Figure 4 _-hVfr_ Boiler Feedpump Recirculation 78200 LINCOLNLOGTM Design Figure 5 f) V'brations f the valve is not properly guided, the very high amount of energy dissipated in the valve js a source of vibration, resulting in a deterioration of the shut-offGet Price

  • Boiler feed pump recirculation valve problem

    Sep 22, 2015 · Boiler feed pump recirculation valve problem. 1. Prepared by KODANDAPANI VUDUGUNDLA ADE/TURBINE MAINTENANCE/RTPP. 2., RC Valve Details Type : CCI Drag 100DR 4X4 GLOBE VALVE Pr class 2500 ANSI Design pr …Get Price

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    Mar 31, 2006 · We are looking into installing a Variable Frequency Drive for a Boiler Feed Pump. One of the issue is what to do with the minimum flow valve at the pump discharge. With VFD the pump may run at less than the discharge pr setting of the minimum flow valve in case of very low flow requirement, and the minimum flow valve may not operate at all.Get Price

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    Boiler Water tank to condensor Drum level control sootblower prV continuous Blowdown Boiler feedpump Min flow recirculation Hp feedwater start-Up level control Valve SD Series valves can be fitted with an extensive array of standard and high performance trims to meet most severe duty/critical service requirements.Get Price

  • V E L O C I T Y C O N T R O L T E C H N - TSI Corporation

    the boiler feedpump recirculation valve Figure 2: A KOSO Vector globe valve is shown located near the pump discharge with flow to deaerator. A KOSO Vector angle valve is also available, should piping configuration dictate. Systems discharging to the condenser normally use angle valves. Figure 3: An actuator control schematic is shown for 3-15 psiGet Price

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  • Boiler Feed Pump - an overview | ScienceDirect Topics

    The BFP recirculation line is taken from the pump discharge ahead of the discharge valve and returned through the recirculation valve to a deaerator where the BFP has suction (see Figure III/6.2-1 and III/6.2-2).There are various BFP sizes, types, and unit sizes, as well as variations in controls. Generally, in power plants up to 200 MW (there are modulating types of controls for …Get Price

  • Mutlipole Pilot-operated Boiler Feedpump Recirculation Valve

    BOILER FEEDPUMP RECIRCULATION. for this valve is as follows: When the boiler feedpump is firststarted, the recirculation valve will be opened and the feedwater valve will be slowly opened as the planned comes on line. Once the feedwater valve reaches 10% to 25% of pump capacity, the recirculation valve will go closed. This. Get a QuoteGet Price

  • Mutlipole Pilot-operated Boiler Feedpump Recirculation Valve

    BOILER FEEDPUMP RECIRCULATION. for this valve is as follows: When the boiler feedpump is firststarted, the recirculation valve will be opened and the feedwater valve will be slowly opened as the planned comes on line. Once the feedwater valve reaches 10% to 25% of pump capacity, the recirculation valve will go closed. This. Get a QuoteGet Price

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    HBE HPM Automatic Recirculation Valve ASME Class 600-2500 Introduction The HPM Series Automatic Recirculation Valve was developed for high pressure centrifugal pump protection. Popular applications include boiler feed water, petroleum fluids, and steel mill hot strip descale water. The HPM provides economical and reliable protection against low andGet Price

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    Jan 31, 2018 · 10. Open the feed pump discharged valve and take the flow as per requirement in boiler. 11. Check recirculation valve operation after sufficient discharge flow is maintained. ROUTINE CHECKS OF BOILER FEED PUMP. 1. For a pump which is continuous in service, check the following every hours 2.Get Price