Valve Repair

NAMW has extensive capabilities for the reconditioning of gate, globe, check, double block and bleed, and non-return valves. All repaired valves are leak and hydro tested per API standards prior to shipment.

Our valve technicians and machinists routinely perform the following modifications:

Trim Changes – 304SS, 316SS, Monel, Alloy 20, Hastelloy C, and Stellite
Packing and Gasket Changes
Gear Operator and Motor Operator Installation
Drain and Bypass Installations
Handwheel Extensions
End Connection Changes

Our field service team has been successfully performing on site services for customers for many years. Many of the services we perform in our shop can be performed in the field as well. An abbreviated list of services we have performed in the field includes:

Repack gate and globe valves
Lubricate and free up stuck gate and plug valves
Remove, repair, and replace broken yoke bushings
Remove, repair, and replace broken gear operators
Install gear operators with spinner hand wheels
Reslip General Twin seal valves
Remove, repair, and replace General Twin seal operators

Several customers have contracted with us for routine on site valve maintenance so their valves always work when needed.

24 inch Gate Valve As Received

24 Gate Valves After Refurbishment