Question: Does HAWA have ISO certifications for all their manufacturing plants ?
Answer: Yes, HAWA is ceritfied by DNV for ISO 9001:2000 for all 3 manufacturing units.

Question: Is Hawa Valves (India) Pvt. Ltd. approved by major oil companies of the world?
Answer: Definately, We ( HAWA VALVES) are approved by some of world's major and standard companies like Saudi Arabian Oil Company, Petroleum Development of Oman (PDO) , PETRONAS , Wood Group, Tractebel Engineering, and many more...

Question: Are all valves tested before they are shipped from the factory ?
Answer: Yes. Each and every valve undergoes rigorous testing that meets or exceeds API /BS Standard.

Question: Do HAWA supply test certificate (TC) and Material Test Reports (MTR) for all valves ?
Answer: All valves identified by unique Sl. No are provided with TC and MTR with standard Guarantee Clause

Question:. To which standards do the valves comply?
Answer: Gate valves comply to API 600 & BS1414. Globe valves comply to BS1873 and Check valves to BS 1868/ API 6D, Ball Valves comply to API 6D/ BS 5351, Plug Valves comply to API 6D, Butterfly Valves comply to BS 5155/ AWWA C 504 etc.

Question: What is the Stem Packing Material normally provided?
Answer: Valves are provided with a set of Die moulded Expanded graphite packing with Braided end rings

Question: What is the material of construction of bolting?
Answer: The bonnet bolting is of ASTM A193 Gr. B7 / ASTM A194 Gr. 2H for WCB valves. .