A),,General A.1: Tag: 04-Tv-4001A A.2: Service: To Desuperheat Hp Steam B) Process Condition B.1: Process Fluid Inlet Condition B.1.1: Process Fluid To Be Desuperheated: Superheated Hp Steam B.1.2: Flow Rate (Tones/Hour):0.2 To 8 T/H (Depending On The Do-Assam

A),,General A.1: Tag: 04-Tv-4001A A.2: Service: To Desuperheat Hp Steam B) Process Condition B.1: Process Fluid Inlet Condition B.1.1: Process Fluid To Be Desuperheated: Superheated Hp Steam B.1.2: Flow Rate (Tones/Hour):0.2 To 8 T/H (Depending On The Down Stream Load). B.1.3: Pressure (Kg/Cm2g): Normal-41.0 B.1.4: Temperature (Degc): Normal-460.0 C.1: Coolant Inlet Conditions: C.1.1: Coolant: Boiler Feed Water (Bfw) C.1.2: Flow Rate (Kg/Hour): Maximum:-800. C.1.3: Pressure (Kg/Cm2g): Normal-53.5 C.1.4: Temperature (Degc): Normal-111.0; Design: 155.0 B.1: Process Outlet Condition B.1.1: Desuperheated Process Fluid: Hp Steam B.1.2: Flow Rate (Tones/Hour): 0.2 To 8 T/H (Depending On The Down Stream Load). B.1.3: Pressure (Kg/Cm2g): Normal-40.0 B.1.4: Temperature (Degc): Normal-250.0 C) Process Line Size/Rating And Line Class: 6/600#; D2d (Line No: 6 Sh 4032 D2d Ih) D) Coolant Line Size/Rating And Line Class: 1.5/600#; D2a (Line No: 1.5 Wb 4011 D2a Ih) E) Type Of Desuperheater Required: Ds Type-Ii E.1: With Integral Actuator: Yes E.2: Actuation: Pneumatic E.3: Air Supply Available: 3.5-5 Kg/Cm2g E.4: On Air Supply Fail: Close. E.4: Manual Handwheel: Yes F) Desuperheater Construction Material: F.1: Body: Astm A 217 Gr. Wc6 F.2: Seat: Stellite No. 6 F.3: Stem/Disc: Aisi Ss 410 (Chrome Plated) F.4: Spray Cylinder: Aisi Ss 410 F.5: Vortex Nozzle: Aisi Ss 416 F.6: Packing: Grafoil G) Connection On Process Line: Steam Flange 3-600# Rf, Stock Finish. H) Coolant Line Connection On Desuperheater: Water Flange, 1.5 600#Rf, Stock Finish. I) Radigraphy: Required (Certificate To Be Provided Alongwith Supply). J) Ibr Certification: Vendor Shall Provide Certification From Indian Boiler Regulations Or Equivalent Certification From Ibr Authorized Bodies For Desuperheater Construction Material Suitable For The Given Steam Service.(Certificate To Be Provided Alongwith Supply). K) General Requirement: 1) The Stem/Disc Assembly Of The Atomizing Injection Nozzle Containing Desuperheater Shall Be Semi Balanced Or Balanced Design. 2) The Orientation Of The Atomizing Injection Nozzle Shall Be Such That Such That Coolant Shall Be Injected In The Process Fluid In The Direction Of Flow. 3) For Dimensional And Flow Direction Referrer Attached Drawing.

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