Needle Valve Query
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Transcript of Needle Valve Query
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7/28/2019 Needle Valve Query
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9.0 COMPRESSED AIR
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7/28/2019 Needle Valve Query
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1
Revision : 3
Sheet : Sheet 1 of 6
M.N. DASTUR & COMPANY (P) LTDCONSULTING ENGINEERS
CHENNAI
PROJECT:NFC
Date : 22/12/2012
SPECIFICATION SHEET FOR MANUALLY OPERATED NEEDLE VALVE
A GENERAL REQUIREMENTS
1 Service Compressed Air
2 Pressure rating Class 800
3 Temperature, deg C Max. 50
5 Design Standard Vendor to specify
6 Testing standard API-598
7 Type of construction Straight Pattern, Standard.
8 Operation Manual
B DESIGN & CONSTRUCTION FEATURES
1 End connection Screwed, Female BSPT
C MATERIAL OF CONSTRUCTION
1 Body ASTM A351 Gr. CF8M
2 Bonnet SS 316
3 Valve Stem SS316
4 Handle SS316
5 Handle Setscrew SS 18-8
6 Bonnet Lock SS 18-8
7 Panel Mount Nuts SS 18-8
8 Stem Seals Viton O-Ring and Teflon Back-Up Ring
D Size & Quantity
Tag No Size NB Qty
18-NV-0921 to 0940 & 8-NV-0942
to 0960DN8 39
Note: 1. Valves shall be supplied with ferrules and necessary fittings.
