As an experienced valve supplier in China, Baltic has won reliance from many customers for its stable quality and superior performance of valves.
We are pleased to take you on a virtual tour of Baltic's quality control. Following photos show how our inspection department and technical department work on valves, including many steps involved in the manufacturing, testing and package.
Out team attaches high importance to quality. We have whole complete strict inspection steps, which include from raw material, machining process, hydraulic test, painting, packing to shipment. Original inspection records are preserved, Cert. – 3.1 is provided with every valve. Inspectors are responsible for their inspected valves. For qualified valves, they stamp steel seal on bonnet flange surface.
To keep stable quality, our team has long cooperation with Third Party Company, like France BV, Germany TUV and Norway DNV. Customers' satisfactory is our great aim.
We inspect from below steps:
1. Raw material
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raw casting |
heat treatment |
heat treatment report |
2. NDT tests
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ultrasonic inspection |
wall thickness inspection |
standing PMI inspection |
3. Dimension control
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connection flange |
face to face |
butt welded |
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spare part gauge |
spare part width |
spare part height |
4. Hydraulic test
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hydraulic test |
accurate result reading |
video hydraulic process |
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pressure inspection |
check leakage |
pressure testing |
5. Painting
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silver-RAL 9006 |
hanging on painting line |
painting drying |
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cleaning before painting
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zinc plated bolting |
before package |
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after painting |
special painting |
yellow colored |
6. Package
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fumigation box |
under package |
special package |
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plywood box |
steel sheet |
big box package |
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plastic bag & polifoam |
plastic lock & polifoam |
transport protection |
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clapboard application |
plastic bag & clapboard |
well kept protection |