Stage Inspection
Low Pressure Air Test
when required by the contract or purchase order, the third party inspector witnesses low pressure air test and pays attention to the following points:
• Specialized testing of seats, the seals, by-passes, etc., may be required by purchase order.
• A minimum of 2 gauges with correct working ranges are used. The calibration of the gauges are checked.
Similarly, If the third party inspector is not in the hold or witness point in the ITP for this inspection stage, then he/she will review the valve manufacturer quality control report in his/her coming visit or on the final inspection day.
Hydrostatic Testing
The third party inspector checks all previous items have been accepted by authorised bodies and witness hydrostatic test and verify following points:
• Body tests, high pressure closure tests, back seat tests as detailed in applicable procedure and code specification.
• Calibration status and correct working ranges of gauges. A minimum of 2 pressure gauges are attached to item under test.
• Adequate provision for venting of high points and draining of the test medium are provided.
• Test pressure is applied as directed by procedure or code until test limiting pressure is reached. During hold period, a methodical check for leaks is conducted.
• Test pressures, metal and water temperatures are recorded.
• Water quality is as specified.
Similarly, If the third party inspector is not in the hold or witness point in the ITP for this inspection stage, then he/she will review the valve manufacturer quality control report in his/her coming visit or on the final inspection day.
Valve Inspection
Valve Inspection facilities at BIS Group, Coimbatore, India
We have successfully served to Chemicals, Petrochemicals, and Fertilizers, Power plants Refineries, Atomic Energy Plant. product range of all major pressure class valves like Ball Valves, Gate Valves, Globe Valves, Check Valves,Butterfly Valves,Flush Bottom Valve and Special Valves which are made from high quality cast carbon steel, alloys steel, stainless steel & super alloys material etc are been inspected
The values which we possess are integrity, reliability, innovation and customer focus that have earned us an invaluable goodwill in the domestic and international markets.
We endeavor to keep persevering on our traditional strengths and fulfill our vision of becoming a global player, dedicated to professionalism and excellence while striving for the highest levels of satisfaction for our customers. With a vision to inspect and assure highly engineered, reliable, and quality valves, casting and allied products to the strict and exacting international specification, bright inspection services is all set to become one of the India’s leading third party inspectors of industrial valves for the critical and demanding application.
BIS GROUP Third Party Inspection for Valve testing and valve inspection in the manufacturing shop particularly suitable for the inspection of Gate, Globe, Ball and Check valves.
Third party Inspection for valve testing and inspection at all necessary stages in the production of the industrial valves, including the inspection of raw material to the final inspection, preservation, packing, and dispatch to site.
All valve inspection and testing is done against the approved drawings, purchase order specifications, purchasers or company standards, and within the practices and rules of the country, state or province and any government decrees, laws, ordinance or regulation as may apply.