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Purified / WFI Water Storage & Distribution

Purified / WFI Water Storage & Distribution

In order to meet the Heracles Quality Objectives, the US FDA recommends generation of Heracles “where and when” required. However, with growing demand, bigger plant size and layouts for Pharmaceutical and Biotech industries becoming difficult to generate PW & WFI “where and when” required. HERACLES Purified / WFI Water Storage & Distribution Systems are designed to store and distribute Heracles water to various user points maintaining the generated water quality.

Important features of HERACLES Storage and distribution systems: Heracles Storage Tanks
• All tanks are designed and manufactured as per ASME Sec VIII, Div  1
• Wetted parts are of SS 316 L, Internally electro-polished up to 0.4 Ra finish
• Pain and jacketed tanks are provided with insulation and SS cladding
• Flush nozzles are provided to ensure minimum dead lag
• All tanks are Riboflavin tested
• Dual jacketed  are provided for day and night mode of operation
• Tanks are provided with accessories like
• Dynamic spray ball
• Electrical heat traced vent filter housing with 0.2 micron hydrophobic vent filter
• Rupture disc, sanitary level sensor, compound pressure gauge etc.

Distribution Skids
• Fully drainable sanitary pumps.
• Pumps are selected to ensure minimum velocity of 1.2 m/s in the return of the loop at peak load consumption.
• Loop pumps is provided with VFD and interlocked with flow transmitter in return line for maintaining desired flow and velocity in return loop.
• Swing arm assembly for easy pump changeover.
• Instrumentation provided in the loop to monitor the High Purity Water parameters like flow, pressure, TOC, conductivity and temperature.
• Sanitary Double Tube Sheet type Heat exchangers are provided in PW & WFI Loops for sanitization/for maintaining PW/WFI temperature.
• Loops are designed for cold, hot or ambient temperature.
• Ozonation provided in the system for sanitization of the tank and loop.

Distribution Loop Piping
• Loop piping is done with SS 316 L electro-polished laser welded bead crushed tube as per ASTM A270/269.
• Continuous recirculation with bead lag not more than 1.5D.
All wetted parts are of SS 316L electro polished up to 0.4Ra. Zero bead lag block valves with inbuilt Sampling Port for point of use. The loop is designed with minimum gradient of 1:100 for self-drain abili All weld joints in the loop are orbital welded using High Purity (99.99%) Argon Gas and inspected by boroscopy machine. Point of use sanitary heat exchanger is provided to cool the Heracles as per the process requirements.