REF.

IMS SECTION: FORMAT NO: ENGG-10067-F WEF: 20/09/2020 ISSUE NO: 04 PAGE 1 OF

PROJECT Central Utility Dahej DOC NO. Spec/ D04-V-E0809

SPECIFICATION FOR
PROJ. NO. D04 REV 0
INSTRUMENT AIR RECEIVER, 8013 LIT, IS2062
TAG NO D04-V-E0809 DATE 30 September 2021
ITEM CODE:
Service Instrument Air Receiver Qty., Nos. 1
Design Code ASME Section VIII Division 1 Latest Edition Empty Wt., kg *
Type Vertical,Cylindrical,2:1 Elliopsoidal Water Filled Wt., kg *
PROCESS CONDITION DESIGN AND TEST CONDITION
Volume, lit 6500 Volume, lit 8013
Internal 7.5 Internal 0 to 10
Pressure, kg/cm².g Pressure, kg/cm².g
External Atmospheric External Atmospheric
Internal Ambient Internal 0 to 100°C
Temperature, °C Temperature
External Ambient External Ambient
Shell 1
Process Fluid Air Joint Efficiency
Dish 1
Specific Gravity kg/m3 ~ 9.44 Corrosion Allowance, mm 3.0 mm
Hydrotest @ 13 kg/cm2,g & Pneumatic
Hydrotest/Pneumatic Test
test @ 7 kg/cm2,g
UTILITY DETAILS
Jacket / Limpet / Internal Coil NA Operating Pressure, kg/cm².g NA
Fluid NA Operating Temperature, °C NA
Specific Gravity NA Design Pressure, kg/cm².g NA
Viscosity, cP NA Design Temperature, °C NA
Flash Point, °C NA Joint Efficiency NA
Heat Transfer Area NA Hydrotest/Pneumatic Test NA
VESSEL CONSTRUCTION DETAILS MATERIAL OF CONSTRUCTION
Shell ID, mm † 1800 Shell IS2062 Gr.A
Shell Ht, WL/WL, mm † 2450 Dish IS2062 Gr.A
Shell Thk, mm 12 Jacket NA
Top 2:1 Ellipsoidal Supports IS2062
Type of Dish
Bottom 2:1 Ellipsoidal Gaskets
Process Side Asbestose free
Top 12 [Note:16]
Dish Thk, mm
Bottom 12
Jacket ID , mm NA
Jacket Thk, mm NA
Jacket Spiral Pitch, mm NA
Support Type / Qty Legs, 4 Nos., Aprox 1000 mm Long
OTHER DETAILS
Earthing Boss 2 Nos, M10 Bolts Insulating Nuts Not Required
Lifting Lugs Requried, 3 Nos. Minimum Temperature Sensing
NA
Insulation Protection Ring Not Required Volume, lit

TESTING AND INSPECTION DETAILS CERTIFICATES TO BE SUBMITTED

Raw Material Test Required Physical Required
Raw Material Test
Hydrotest Required Chemical Required
Witness in Inspections Required Radiography 100% Required
Others As per QAP Hydrotest Required
Spark Test NA Pneumatic Test Required
NOZZLE SCHEDULE
Flange
Nozzle No. Description Size, NB Sch/Thk Location Remarks
Type Rating
H1 Manhole 600 * RF 150# Side With Cover and Devit Arm
N1 Air Inlet 50 * RF 150# Top
N2 Air Outlet 50 * RF 150# Bottom
N3 Vent 25 * RF 150# Top
N4 Drain 25 * RF 150# Bottom
N5 PSV 50 * RF 150# Top
N6 PG/PT 15 * NPT(F) 800# Top
N7 Spare 80 * RF 150# Top Spare with Blind
N8 Spare 100 * RF 150# Top Spare with Blind
Nozzle projection shall be minimum 150 mm from the nearest surface point on the part of vessel to which it is attached

Ranjit Digitally signed

by Ranjit Kashid
Nitesh Digitally signed
by Nitesh
Chauha Chauhan

PREPARED: Kashid
Date: 2021.09.30 Date: 2021.09.30
12:45:14 +05'30'
CHECKED: n 14:14:34 +05'30'
APPROVED:
REF. IMS SECTION: FORMAT NO: ENGG-10067-F WEF: 20/09/2020 ISSUE NO: 04 PAGE 2 OF

GENERAL NOTES:
1 Vendor to mention any deviation from the specification in the quotation itself.
2 Vendor shall provide performance guarantee of the equipment against material / poor workmanship for 18 months from the date of delivery.
Vendor to submit mechanical design calculations, QAP, fabrication drawing in two sets for approval within 1 week of LOI/PO and shall start
3
fabrication only after approval from Gulbrandsen Chemical Pvt. Ltd.
4 Vendor should submit following documents in three (3) sets in hard copy and a soft copy (dwg in Autocad) along with the delivery of the equipment.
a Guarantee/Warranty Certificates.
b Test certificate and operating manuals for all bought-out items.
c Mechanical calculation sheet.
d Fabrication / GA Drawing for reactor and bought-out items.
e Calibration and test certificates of instruments used for testing of equipment. These documents shall be traceable to national standards.
5 There should not be any crevices, sharp edges in the vessel.
6 All nozzles shall be fabricated from seamless pipes.
Nozzles below 50 NB size shall be provided with two stiffeners at 90° to each other. Nozzles above 50 NB size shall be provided with a reinforcement
7 pad, dimensions of which should be as per the mechanical calculations. Nozzles in non-metallic equipment shall be as per good engineering
practices.
8 All openings shall be covered by suitable wooden piece for delivery.
9 Nuts and bolts used in the vessel shall be of high tensile strength and suitable pressure rating.Vendor shall use only "Metric standard" Nuts and bolts.
10 A tag plate of SS304 shall be provided on the vessel, details of which shall be approved by Gulbrandsen Chemicals Pvt. Ltd.
11 Vendor to apply two coats of "GP Prime Guard 235 Mio" of Grand Polycoat make on vessel.
12 Nozzle reinforcement pad plates shall be of the same material specification as that of shell/dish.
13 All dip pipes and thermowell shall be firmly supported.
14 * Vendor to specify/confirm
15 † Vendor can suggest dimensions if it helps reduce cost. This will be approved by client if acceptable.
16 Gasket: Asbestose Free
17 NA: Not applicable, RF: Raised face
19 Vendor to provide permanent tag of Nozzle Nos on Equipment.
20 Vendor to mention in quotation if any heat treatment is required for the vessel.
21 Three lifting lugs should be provided on top and bottom in such a fashion that the tank can be lifted vertically as well as horizontally.

Ranjit Digitally signed

by Ranjit Kashid
Nitesh Digitally signed

Kashid
Date: 2021.09.30 by Nitesh
12:45:27 +05'30' Chauha Chauhan
Date: 2021.09.30
n 14:14:50 +05'30'

PREPARED: CHECKED: APPROVED: