Manufacturing







Quality Assurance

POV VALVE continues to focus on improving product quality. Only through the provision of zero-defective products and good after-sales services can the company win an ever-increasing reputation.


The company has passed ISO9001 quality management system certification, ISO14001 environmental protection management system certification, EU CE certification, EU ATEX certification, German DVGW gas certification. Product design and manufacturing meet API, ASME, EN/DIN, BS, JIS standards.

The company has professional painting and dusting equipment, which can provide surface treatment according to customer needs.

Butterfly Valve disc Center Test
Butterfly Valve disc Center Test

Butterfly Valve Material Chemical Properties Spectral Testing
Butterfly Valve Material Chemical Properties Spectral Testing


 

IQC

In addition to appearance, function and size inspection items of the butterfly valve, POV VALVE hardness and thickness of the sealing rubber
Strictly controlled, professional laboratories are also used to analyze the chemical composition of each batch of rubber and metal

Butterfly rubber hardness test
Butterfly rubber hardness test

Butterfly rubber stretch and compressibility test
Butterfly rubber stretch and compressibility test


 

Butterfly valve body ultrasonic wall thickness test
Butterfly valve body ultrasonic wall thickness test

Butterfly valve disc surface finish test
Butterfly valve disc surface finish test

Butterfly valve paint thickness test
Butterfly valve paint thickness test

Process inspection

Operators of the production line conduct self-inspection for each process, and professional quality inspection provides quality support and supervises product quality at all times. The thickness of each paint is measured by a thickness gauge to meet the standard.


 

Butterfly valve body ultrasonic wall thickness test
Butterfly valve body ultrasonic wall thickness test

Butterfly valve pressure test
Butterfly valve pressure test

Butterfly valve seat installation
Butterfly valve seat installation

Assembly inspection

All assembled valves require 100% pressure testing and the butterfly valve must also pass a torque test. Test records are kept as product files for more than 10 years, providing customers with good after-sales service guarantees.
Butterfly valve body ultrasonic wall thickness test    Butterfly valve disc surface finish test


 

Factory inspection

All valves must pass the final inspection before leaving the factory. The valve parameters must be consistent with the customer's order requirements. Only products that meet the order requirements can enter the ERP delivery system.