Customer Witness Testing for KPD 200/46 Pump

Project Overview
The objective was to ensure that the complete pump set met the required hydraulic performance before dispatch, while giving the customer complete transparency into the testing process.
Company: Vivid International
Customer Representative: Vidyadhar More, Director
Our Approach
After receiving the pump for assembly, the VEMPL APOEM team completed all critical pre-testing activities within one working day, including:
- Precision impeller trimming
- Dynamic impeller balancing
- Mechanical seal fitment and inspection
- Assembly quality checks
- Alignment and final inspection
On the following day, the customer attended the Pump Performance Test (Witness Testing) at our in-house test facility.
Witness Testing Process
During the witness test, the customer observed the pump operating under controlled test conditions while our engineers demonstrated:
- Flow and head performance
- Motor load and power consumption
- Overall pump efficiency
- Stable vibration and smooth operation
- Mechanical seal performance
- Compliance with required operating parameters
The test results confirmed that the pump was performing as designed before dispatch.

Knowledge Sharing Beyond Testing
The visit also became an opportunity to showcase the capabilities of VEMPL’s Authorized Pumpset OEM (APOEM) facility.
Our engineering team explained the importance of:
- Witness testing before shipment to eliminate installation risks.
- Precision impeller trimming for achieving the required duty point.
- Dynamic balancing to reduce vibration and increase bearing life.
- Proper seal installation for improved reliability and leak-free operation.
- Factory testing to identify and rectify issues before site commissioning.
The customer appreciated the transparency of the process and gained a better understanding of how factory testing contributes to long-term pump reliability and reduced downtime.
Outcome
- Complete pump preparation completed within one day
- Successful witness testing conducted on the following day
- Customer gained confidence in the pump’s performance before dispatch
- Strengthened customer relationship through technical interaction and knowledge sharing
- Demonstrated the engineering capabilities of VEMPL’s APOEM facility

Why Witness Testing Matters
Witness testing provides customers with confidence that the pump they receive has already been validated under actual operating conditions. It minimizes commissioning risks, ensures compliance with performance requirements, and reinforces trust through complete transparency.
At VEMPL APOEM, every witness test is more than a quality check—it is an opportunity to partner with customers through engineering excellence, technical guidance, and dependable after-sales support.

