Pharmaceutical Piping (PW / WFI / Clean Steam)
Techno Aid Inc specializes in high-purity hygienic SS piping systems for pharmaceutical and biotech facilities. We design and install Purified Water (PW) distribution loops, Water for Injection (WFI) systems, and Clean Steam lines compliant with FDA, GMP, ISPE, and ASME BPE standards. These systems are critical to maintaining the water quality required by pharmaceutical manufacturing processes.
All pharmaceutical piping is fabricated from SS 316L seamless tubes with orbital welding to ensure consistent, fully penetrated, crevice-free welds. We provide complete IQ/OQ documentation, passivation certificates, and system validation support for regulatory submissions.
Key Features & Capabilities
- SS 316L seamless tube piping for PW, WFI, and Clean Steam systems
- Orbital welding with automatic and manual TIG options
- Electropolishing and passivation (nitric acid / citric acid)
- Slope and drainability as per ASME BPE and ISPE guidelines
- Tri-clamp and DIN hygienic fittings throughout
- Complete IQ/OQ documentation for regulatory compliance
- Weld log, coupon records, borescope inspection reports
- Hydrophobic vent filters and sampling points as per design
Technical Specifications
| Parameter | Specification |
|---|---|
| Tube Material | SS 316L (ASTM A270 / DIN 11850) |
| Size Range | ½" OD to 4" OD (DN 15 to DN 100) |
| Surface Finish (ID) | Ra ≤ 0.5 µm electropolished / ≤ 0.8 µm mechanically polished |
| Welding Process | Orbital GTAW (auto) / Manual TIG |
| Fittings | Tri-clamp (ISO 2852), DIN 11851, SMS hygienic fittings |
| Passivation | 20% Nitric Acid / Citric Acid per ASTM A380 |
| Slope | Minimum 1:100 (drainable) per ASME BPE |
| System Type | PW Loop (recirculating), WFI Loop, Clean Steam distribution |
| Design Standard | ASME BPE / ISPE Baseline Guide / WHO GMP / FDA cGMP |
| Documentation | IQ/OQ, Weld Log, Borescope Reports, Passivation Certificate, MTC |
System Types We Install
We install complete Purified Water generation and distribution loops in recirculating hot or ambient configurations, Water for Injection systems using multi-effect distillation or membrane-based generation, Clean Steam distribution from dedicated clean steam generators, and Process Purified Water (PPW) systems for API manufacturing. All systems include continuous monitoring points, TOC, conductivity, and temperature sensors as per regulatory requirements.