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API 602 Forged Steel Globe Valve

1. Product Overview

API 602 forged steel globe valve

Two of forged steel globe valves: API 602, A105N, RF flanged & BW.

Metals Valve supplies API 602 forged steel globe valves sized from 1/4″ to 4″ which are widely utilized in high temperature and high pressure services. These compact(covering class 800, class 1500, class 2500)  steel globe valves, commonly seen in petroleum and natural gas industries, can be made from carbon steel, alloy steel, or stainless steel. End connections can be furnished as butt welding(BW), flanged(RF/RTJ), threaded(NPT), socket welding(SW). Due to the small sizes and relatively low torque valve, API 602 forged steel globe valves are usually hand wheel operated. The body and bonnet connection can be furnished as either welded bonnet, bolted bonnet, or RTJ compacted bonnet. Outside screw & yoke(OS&Y) with rising stem, and full/regular ports are the conventional constructure of our forged steel globe valves. Bellow stem seals extended body/bonnet, Y pattern abd unnion bonnet are available upon request.

2. Design Standards and Design Features

Design features API 602 forged steel globe valves.

The illustration of design features of API 602 globe valves.

Design/Inspection standards: API 602, ASME B16.34, ASME B16.5, EN ISO 15761, ASME B16.25, ASME B1.20.1, ASME B 16.11.

(1) Efficient packing seal at backseat to ensure no leakage from stem.
(2) Fully guided disc ensures accurate alignment of disc and seat and reduces wear on seating surfaces.
(3) Outside Screw & Yoke construction facilitate stuffing box maintenance.
(4) Metallic ring gasket or spiral wound gasket can be applied to ensure the tight seal of body/bonnet joint.
(5) Versatile styles of discs which can be furnished for different purposes.

3. Technical Drawings & Material Selection

Technical Drawings

AB
Forged steel globe valve bolted bonnet.Forged steel globe valve welded bonnet.
CD
Forged steel globe valve Y pattern.Forged steel globe valve flanged end.
Technical G.A drawing for API 602 forged steel globe valves: A-Bolted Bonnet, B-Welded Bonnet, C-Y Pattern, D-Integral Flanged Ends.

Material Selection

No.Part NameMaterial
Carbon SteelAlloy SteelStainless Steel
1BodyASTM A105/STL OVERLAYASTM A182-F11/F22/STL OVERLAYASTM A182-F304/F316/STL OVERLAY
2BonnetASTM A105ASTM A182-F11/F22ASTM A182-F304/F316
3DiscASTM A182-F6aASTM A182-F6aASTM A182-F304/F316
4Stem NutASTM A276-420ASTM A276-420ASTM A276-420
5Gland FlangeASTM A216 WCBASTM A216-WCBASTM A351-CF8
6Hand WheelDuctile IronDuctile IronDuctile Iron
7StemASTM A182-F6aASTM A182-F6aASTM A182-F304/F316
8GlandASTM A276-420ASTM A276-420ASTM A276-304/316L
9Gasket304SS/Spiral Wound Graphite304SS/Spiral Wound Graphite304/316SS/Spiral Wound Graphite
10PackingGraphiteGraphiteGraphite
11PackingCarbon YarnCarbon YarnCarbon Yarn
12StudASTM A193-B7ASTM A193-B16ASTM A193-B8
13BoltASTM A193-B8ASTM A193-B8ASTM A193-B8
14NutASTM A194-8ASTM A194-8ASTM A194-8
15Handwheel NutCarbon SteelCarbon SteelASTM A276-304
16Handwheel WasherCarbon SteelCarbon SteelASTM A276-304
17Name PlateASTM A240-304ASTM A240-304ASTM A240-304

 

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Forged Steel Globe Valve

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