Pressure Switch Inspection and Test Plan | Pressure Switch ITP

This content provides you with a sample pressure switch inspection and test plan. This is a draft pressure switch ITP and must be modified based on your specifications.

Pressure Switch Inspection and Test Plan TaskVendorTPI InspectionClient
Pressure Switch mill test reportHRR
Pressure Switch Pressure testHWR
Pressure Switch Calibration checkHWR
Pressure Switch Performance test including: - hysterisis, sensitivity and reliability checkHHR
Pressure Switch Insulation resistance testHWR
Pressure Switch Function check for switchesHWR
Pressure Switch Final visual / Dimension InspectionHHR
Pressure Switch Documentation review prior to release(Final activity of Technical Inspection)HHR
Pressure Switch Pre-shipment InspectionHHR

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)

General Note:

1) Pressure Switch Witness/hold point by Code Inspector, when applied by Code /Local Regulation, is to comply with its requirements and to specify in Vendor's ITP.

2) Type of Inspection by Pressure Switch Purchaser may be changed according to equipment criticality and vendor QC evaluation at job stage.

3) When requested in the requisition, detailed Pressure Switch ITP shall be submitted by Vendor.

4) Monitoring/Observation of Pressure Switch Vendor shop daily routine works (i.e. Storage of materials, Adherence to approved procedures, Testing tool calibration check,workmanship,cleanliness and etc.)shall be done by Purchaser during inspection visit.

5) Pressure Switch 100% inspection which is covered by the combination of witness / spot check / record review inspection & tests listed above and vendor's original QC activity shall be confirmed by Purchaser's inspector prior to shipment.

6) Unless otherwise specified in REQ., the Pressure Switch sampling Q'ty of " S (Spot Witness Check) " shall be as follows:

3 to 20→3Pcs(all if total 2 and less) , 21 to 50→5Pcs, 51 to 100→10Pcs,101 to 200→20Pcs, 201 to 300→30Pcs, 301 to 500→50Pcs

Minimum 25 pcs or more of the commodity shall be arranged for H/W/S inspection and test at one time inspector's visit as much as practical.

7)Final Pressure Switch Visual Inspection/Documentation Review/Pre-Shipment Inspection may be combined within one time visit.


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