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Flowserve Nordstrom Series User Manual

Flowserve Nordstrom Series
36 pages
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Nordstrom
®
and
Hypreseal
®
Plug Valves
Repair Manual
Nordstrom Valves
NVAIM2001
(Replaces NVI-701)
www.authorizedparts.com
www.authorizedparts.com
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Flowserve Nordstrom Series Specifications

General IconGeneral
BrandFlowserve
ModelNordstrom Series
CategoryControl Unit
LanguageEnglish

Summary

General Service Instructions for the Repair & Reconditioning of Nordstrom Valves

How to Use This Manual

Guide for using the manual, covering general information and valve removal procedures.

Economics of Valve Repair

Discusses the cost-effectiveness of repairing Nordstrom valves compared to purchasing new ones.

Warning

Important safety and disclaimer information regarding the use of the manual and products.

Repair Information Applying to all Nordstrom Valves

CLEANING AND EXAMINATION

Case Study 1: Minor Repair

Salvaging valves with very shallow corrosion or scoring by relapping.

Case Study 2: Moderate Repair

Remachining the body's tapered seating surface for moderate corrosion or scoring.

Case Study 3: Major Repair/Replacement

Rebuilding worn areas for deep corrosion or scoring, or considering a new valve.

REMACHINING VALVE BODIES

LAPPING

ASSEMBLY INSTRUCTIONS

2-Bolt Cover Type, Wrench Operated

Step-by-step guide for assembling the 2-bolt cover type, wrench operated valve.

Component Parts-2-Bolt Cover Type, Wrench Operated

ASSEMBLY INSTRUCTIONS

Screwed Gland Type, Wrench Operated

Instructions for assembling the screwed gland type, wrench operated valve.

Component Parts-Screwed Gland Type, Wrench Operated

ASSEMBLY INSTRUCTIONS

3 Bolt Triangular Gland, Fixed Adjustment Type

Assembly steps for the 3-bolt triangular gland, fixed adjustment type valve.

Component Parts-3 Bolt Triangular Gland, Fixed Adjustment Type and Round Gland, Jewett Packing Type

ASSEMBLY INSTRUCTIONS

Bolted Gland Type, Worm Gear Operated

Step-by-step assembly instructions for bolted gland type, worm gear operated valves.

Component Parts-Bolted Gland Type, Worm Gear Operated

ASSEMBLY INSTRUCTIONS

Bolted Gland Type, Spur Gear Operated

Assembly instructions for bolted gland type, spur gear operated valves.

Component Parts-Bolted Gland Type, Spur Gear Operated

Replacement Procedure

V-Ring Stem Packing in Hypreseal Valves 2"-4" Size

Procedure for replacing V-ring stem packing in Hypreseal valves, sizes 2-4 inches.

Replacement Procedure

V-Ring Stem Packing in 6"-20" Size Hypreseal Valves

Procedure for replacing V-ring stem packing in Hypreseal valves, sizes 6-20 inches.

ASSEMBLY INSTRUCTIONS

Bolted Bottom Hypreseal, Wrench Operated Threaded Stem

Assembly steps for bolted bottom Hypreseal, wrench operated threaded stem valves.

Component Parts-Bolted Bottom Hypreseal-Wrench Operated-Threaded Stem

ASSEMBLY INSTRUCTIONS

Bolted Bottom Hypreseal, Wrench Operated, Threadless Stem

Assembly instructions for bolted bottom Hypreseal, wrench operated, threadless stem valves.

Component Parts-Bolted Bottom Hypreseal, Wrench Operated, Threadless Stem

ASSEMBLY INSTRUCTIONS

Screwed Bottom Hypreseal, Wrench Operated Threadless Stem

Assembly instructions for screwed bottom Hypreseal, wrench operated threadless stem valves.

Component Parts - Screwed Bottom Hypreseal-Wrench Operated-Threadless Stem

ASSEMBLY of Hypreseal Worm Gearing

Component Parts-Hypreseal Worm Gearing

CORRECT PLUG POSITIONS IN BODY

Two-Bolt Cover Type

Plug position dimensions for two-bolt cover type valves.

Screwed Gland Type, Regular

Plug position dimensions for screwed gland type, regular valves.

Screwed Gland Type, Multiport

Plug position dimensions for screwed gland type, multiport valves.

Bolted Gland Type, Regular and Multiport

Plug position dimensions for bolted gland type, regular and multiport valves.

Bolted Gland Type, Venturi

Plug position dimensions for bolted gland type, Venturi valves.

CORRECT PLUG POSITIONS IN BODY - Continued

Hypreseal Bolted Cover Type, Regular

Plug position dimensions for Hypreseal bolted cover type, regular valves.

Hypreseal Bolted Cover Type, Round Opening

Plug position dimensions for Hypreseal bolted cover type, round opening valves.

CORRECT PLUG POSITIONS IN BODY - Continued

Hypreseal Bolted Cover Type, Venturi

Plug position dimensions for Hypreseal bolted cover type, Venturi valves.

Hypreseal Bolted Cover Type, Multiport

Plug position dimensions for Hypreseal bolted cover type, multiport valves.

Hypreseal Screwed Cover Type, Regular

Plug position dimensions for Hypreseal screwed cover type, regular valves.

Hypreseal Screwed Cover Type, Round Opening

Plug position dimensions for Hypreseal screwed cover type, round opening valves.

TEST PRESSURES AND WORKING PRESSURE RATINGS

Nordstrom Iron Valves

Test and working pressure ratings for Nordstrom Iron Valves.

Carbon Steel Valves

Test and working pressure ratings for Carbon Steel Valves.

STANDARD OVERSIZE DIMENSIONS FOR TAPER DIAMETER OF REPLACEMENT PLUGS

REPLACEMENT OF CHECK VALVES

CHECK VALVE REMOVING TOOL

NORDSTROM SEALANTS

SUGGESTED FREQUENCY OF SEALANT INJECTION

Recommendations for how often to inject sealant into Nordstrom valves.

Types of Nordstrom Sealants

Information on available Nordstrom sealant types and forms (sticks, gun paks, bulk).

SEALANT FITTING

Description and purpose of the sealant fitting used on Nordstrom valves.

HIGH PRESSURE GAUGE

Information about the high pressure gauge for sealant operations.

HOW TO IDENTIFY VALVES

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