Control Valve Inspection and Test Plan

This article provides you with a template for control valve inspection and test plan. This control valve ITP is a draft and must be edited  based on your purchase order specifications.

Control valve Inspection and Test Plan TaskVendorTPI InspectionClient
Control valve Material and Actuator Test CertificateHHR
Control valve Checking of characteristics including the following items as minimum: 1) Body, seat, stem, packing, accessories and actuator, 2) Check of material certificates for boday, trim, seat, plug, disc or ball, bolting, gasket/packingHHR
Control valve Non-destructive examination, when specifiedHRR
Control valve Pressure test of body (Note: Witness for body class 300 and larger)HWR
Control valve Pneumatic test, when specifiedHWR
Control valve Seat leakage testHSR
Control valve Calibration testHSR
Control valve Performance/function testHHR
Control valve Stroke testHHR
Control valve Air failure testHWR
Control valve Linearity checkHRR
Control valve Response and stabilization time and hysteresisHWR
Control valve Insulation resistance testHWR
Control valve Final visual / Dimension InspectionHHR
Control valve Documentation review prior to release(Final activity of Technical Inspection)HHR
Control valve Pre-shipment InspectionHHR

Control Valve Inspection and Test Plan - Points 

H: Hold Point implies that relevant production activities shall not proceed until the continuation of work is permitted by Purchaser. (Notification req'd)

W: Witness point implies that Purchaser intends to witness the designated inspection feature. If Purchaser decides not to witness the relevant feature, production can proceed without permission of Purchaser. (Notification req'd)

S: Witness, but spot check basis. Initial operation will be witness point and subsequent operation will be witnessed at discretion of Purchaser considering the results of previous inspection. (Notification not req'd : Randam Inspection)

R: Review inspection & test records (Notification not req'd)


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