DATA SHEET FOR LOW TEMPERATRE BALL VALVES
MR Item nos. : 19,21
1.0 Valve Manufacturer :
2.0 Valve Size (NB) (inch) : 1", 3/4" ANSI RATING : 800# Design Standard : BS EN ISO 17292
3.0 MECON's Technical Specification No.: MEC/TS/05/21/002, Rev-1, Ed-1
4.0 Design Pressure : 92 kg/cm2 (g) Design Temperature, °C : -46°C to + 65°C
5.0 Connecting Pipe Specification: DN 25 (1") DN 20 (3/4")
5.1 Material ASTM A333 Gr.6 ASTM A333 Gr.6
5.2 Diameter (OD) 33.4 mm 26.7 mm
5.3 Thickness 4.55 mm 5.56 mm
6.0 Valve Construction Design
6.1. Configuration : Reduced Bore Full Bore √
6.2 End Connections : Socket Welded as per ASME B16.11 √
100 mm Extension Pups of ASTM A333 Gr.6 (Sch XS for 1" and Sch. 160 for 3/4") at both ends
6.3. Flanges (wherever applicable) : a) RF RT NA √
b) Serrated Smooth (125 to 200 microinches AARH) NA √
6.4 Ball Mounting : Floating Ball type
6.5 Valve body type : Fully Welded √ Two/Three Piece Bolted Either √
7.0 Valve Material Specification
Material Offered (Equivalent or
Part Specified Material
superior)
7.1 Body ASTM A350 Gr. LF2
7.2 Ball (SS316 /ASTM A350 Gr. LF2 )+ 75µENP coating
7.3 Body Seat RPTFE/ DELRIN
7.4 Gland SS316
7.5 Stem (No Casting) SS316 (No Casting) /ASTM A350 Gr. LF2
7.6 Body Seal Grafoil
7.7 Stem Seal Grafoil
7.8 Body Studs/Nuts ASTM A320 Gr.L7/ ASTM A194 Gr.4
8.0 Corrosion Allowance : 1.5 mm Service : Natural Gas
9.0 Location : Above Ground √ Buried
10.0 Stem Extension Requirement : Yes No √
11.0 Lever Operator Requirement : Yes √ No
12.0 Actuator Requirement : Yes No √
13.0 Fire Resistant Design Requirement : Type test as per API 6 FA/607
14.0 Valve Testing Requirement
Minimum Duration
Test Pressure (min.), kg/cm2(g) (minutes)
14.1 Hydrostatic Test Body 210 BS EN ISO 17292
Seat 155 BS EN ISO 17292
14.2 Air Test 5.6 - 7 BS EN ISO 17292
15.0 Anti-Static Testing Requirement : As per Standard API 6D (Latest Ed.)
16.0 Valve Painting Specification
16.1 Surface preparation by Short Blasting as per grade SA 2 1/2, Swedish Standard SIS-055 909.
16.2 For above ground installation-Three coats of corrosion resistant paint shall be applied with minimum thickness of 300 micron
(Permissible thickness in each coat shall be within 80 to 120 micron). Colour of paint shade shall be RAL-7038, however any change in colour
shall be finalized during drawing approval stage.
17.0 Lock Open Requirement : N.A.
Notes:
1 This Valve Data Sheet shall be read in conjunction with MECON's Technical Specification No. MEC/TS/05/21/002,Rev 1 ,Ed. 1
2 Minimum thickness of valve body / adapter shall not be less than that specified in ASME B16.34 plus corrosion allowance specified in this datasheet .
3 Charpy V-notch test for body, ball, body seat, gland, stem & studs/nuts shall be conducted as per A370. The test shall be conducted at 0°C.
The minimum average absorbed energy per set of three specimen shall be 27 J with an individual minimum per specimen of 22 J.
4 Material test certificates and hydrostatic test reports shall be furnished prior to despatch.
5 Detailed dimensional drawings showing cross-section with part numbers and materials shall be submitted for Purchaser's approval prior to manufacture of the valves.
prior to manufacture of the valves.
6 All tests shall be as per BS EN 12266.
7 Valves shall have ball position indicator.
8 Stops shall be provided for positive alignment of ball with ports and ensure proper installation of handle.
9 Each valve shall be provided with a wrench.
10 Valves shall be inspected and approved by Purchaser before dispatch.
11 Gland packing assembly shall permit repair of gland packing under full line pressure.
12 Bidder shall clearly write valves material (equivalent or superior) offered by them against each part/material of valve in the
space provided for. Wherever bidder agrees with valves material as mentioned above in MECON's data sheet, bidder
shall clearly indicate "AGREED".
REV. NO. DATE ZONE DESCRIPTIONS BY APPRD
REVISIONS REFERENCES DRG. NO.
SECTION PROCESS & PIPING CLIENT : GAIL (INDIA) Limited
PREPARED CHECKED APPROVED
NAME AM HK AKG PROJECT: MECON LIMITED
BARAUNI (BIHAR) TO GUWAHATI
DATE 06-Sep-18 06-Sep-18 06-Sep-18
(ASSAM) PIPELINE SECTION
SIGN SCALE : REV
DATA SHEET FOR BALL VALVES DATA SHEET NO.: MEC/23U2/05/21/M/001/DS/BV/10 0
E-tender no.:8000013462 (NB < 2") 89 of 106
