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 Task	Vendor	TPI Inspection	Client
Control valve Material and Actuator Test Certificate	H	H	R
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/packing	H	H	R
Control valve Non-destructive examination, when specified	H	R	R
Control valve Pressure test of body (Note: Witness for body class 300 and larger)	H	W	R
Control valve Pneumatic test, when specified	H	W	R
Control valve Seat leakage test	H	S	R
Control valve Calibration test	H	S	R
Control valve Performance/function test	H	H	R
Control valve Stroke test	H	H	R
Control valve Air failure test	H	W	R
Control valve Linearity check	H	R	R
Control valve Response and stabilization time and hysteresis	H	W	R
Control valve Insulation resistance test	H	W	R
Control valve Final visual / Dimension Inspection	H	H	R
Control valve Documentation review prior to release(Final activity of Technical Inspection)	H	H	R
Control valve Pre-shipment Inspection	H	H	R

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)

Control Valve Inspection and Test Plan

Control Valve Inspection and Test Plan - Points

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