DESIGN & FABRICATION
Process Equipment Design & Engineering
Custom design dan fabrication untuk process equipment industrial (mixing, heating, cooling, separation, storage). Dari konsep, pembuatan, hingga comissioning dengan kalkulasi engineering yang proper mengikuti standar Internasional.
Design & Engineering Services
Tim engineer kami menggabungkan process knowledge, mechanical design, dan pengalaman fabrication untuk menghasilkan equipment yang optimal, dapat diandalkan, dan cost-effective untuk proses industri Anda.
Process Design & P&ID
Conceptual design, process flow diagram (PFD), piping & instrumentation diagram (P&ID), mass & energy balance calculation, dan equipment sizing untuk mencapai output yang diinginkan.
Equipment Sizing & Selection
Engineering calculation untuk sizing equipment (tank volume, mixer power, heat exchanger area, filter surface). Material selection sesuai chemical compatibility dan operating condition (temperature, pressure, corrosivity).
Mechanical Design & 3D Modeling
Detailed mechanical design sesuai standar (ASME Section VIII, API 650, DIN 28136). 3D modeling dengan SolidWorks/AutoCAD untuk visualisasi dan clash detection sebelum pabrikasi.
Fabrication Drawing & BOM
Drawing pabrikasi lengkap dengan dimensi detail, welding symbol, material specification, bill of materials (BOM) lengkap untuk procurement dan workshop fabrication.
Fabrication & Quality Control
Supervisi proses pabrikasi di workshop, quality control inspection (dimensional check, welding inspection), hydrostatic test/pressure test, dan final inspection sebelum delivery.
Installation & Commissioning
Installation supervision, commissioning support, performance testing, operator training, dan documentation handover (O&M manual, as-built drawing, test certificate).
Process Equipment yang Kami Design
Berbagai jenis process equipment untuk aplikasi industrial meliputi mixing, heating, cooling, separation, filtration, storage, dan material handling.
Mixing & Agitation Equipment
- Mixing Tanks – Stainless steel tank dengan agitator/mixer untuk liquid blending, suspension, emulsification. Tersedia dengan jacket cooling/heating. Detail produk →
- Static Mixers – In-line mixer untuk continuous mixing tanpa moving parts (chemical injection, gas-liquid mixing)
- High Shear Mixers – Untuk emulsification, dispersion, homogenization (cosmetics, food, pharma application)
- Ribbon Blenders – Powder/solid mixing untuk dry blending application
Heat Transfer Equipment
- Heat Exchangers – Shell & tube, plate type, double pipe untuk heating/cooling process fluids. Detail produk →
- Jacketed Vessels – Tank dengan jacket untuk temperature control menggunakan thermal oil, steam, atau chilled water
- Coil Heaters – Immersion coil untuk heating tank contents (storage tank heating, viscosity reduction)
- Air Coolers – Fin-fan cooler untuk cooling dengan udara ambient
Filtration & Separation Equipment
- Bag Filters – Multi-bag filter housing untuk liquid filtration (5-200 micron). Detail produk →
- Cartridge Filters – High efficiency filtration dengan disposable/cleanable cartridge
- Self-Cleaning Filters – Automatic backflush filter untuk continuous operation tanpa shutdown
- Oil Separators – Untuk separasi oil-water atau air-oil emulsion (wastewater treatment, fuel polishing)
Storage & Pressure Vessels
- Atmospheric Storage Tanks – Carbon steel/stainless tank untuk liquid storage (fuel, chemical, water). Detail produk →
- Pressure Vessels – ASME coded vessel untuk compressed gas, air receiver, buffer tank. Detail produk →
- Day Tanks – Small capacity tank dengan level control untuk feeding process
- Underground Tanks – Untuk fuel storage sesuai Permenaker 04/1980
Wastewater Treatment Equipment
- PAL Mini (IPAL) – Packaged wastewater treatment plant untuk domestic/industrial wastewater 5-100 m³/day. Detail produk →
- Oil-Water Separator – Gravity separator atau coalescing plate separator untuk oil removal
- DAF (Dissolved Air Flotation) – Untuk suspended solids removal dengan micro bubble
- Clarifiers – Settling tank untuk sludge separation
Skid-Mounted Systems
- Chemical Dosing Skids – Complete system dengan dosing pump, tank, dan control untuk chemical injection. Detail produk →
- Fuel Polishing Skids – Portable/permanent fuel polishing system dengan pump, filter, water separator. Detail produk →
- Pumping Skids – Complete pump package dengan motor, base plate, piping, valve, instrumentation ready untuk plug & play installation
- Cooling Skids – Chiller package untuk process cooling application
Design Process & Project Execution
Dari initial discussion hingga equipment commissioning, kami memastikan project berjalan sesuai timeline, budget, dan quality requirement yang disepakati.
Requirement Discussion
Diskusi kebutuhan: process requirement, capacity, fluida properties, operating condition, budget, timeline. Site visit jika diperlukan.
Conceptual Design & Quotation
Preliminary design, sizing calculation, material selection. Quotation dengan equipment specification, scope of work, timeline, payment term.
Detail Engineering
P&ID finalization, mechanical design calculation, 3D modeling, fabrication drawing. Design review meeting dengan customer untuk approval.
Fabrication & QC
Material procurement, workshop fabrication dengan supervision. Welding inspection, dimensional check, hydro test, painting. Progress photo update.
Delivery & Commissioning
Delivery ke site, installation support, commissioning, performance test, operator training. Handover dengan complete documentation.
Engineering Deliverables
Design Calculation
Process calculation, sizing, mechanical design calculation sesuai code (ASME, API). Stamped & signed by professional engineer.
Fabrication Drawings
GA drawing, detail drawing, welding procedure, material specification, BOM. Format PDF + DWG editable file.
Quality Documents
Material test certificate (MTC), welding procedure specification (WPS), hydrostatic test report, NDT report (jika applicable).
O&M Manual
Operation & maintenance manual, spare parts list, troubleshooting guide, as-built drawing untuk reference maintenance team.
Material Selection & Code Compliance
Kami menggunakan material berkualitas dengan traceability lengkap (Material Test Certificate) dan fabrication sesuai code internasional untuk memastikan safety dan reliability equipment.
Material Options:
- Carbon Steel – SA-516 Gr 70, A36, SS400 untuk general purpose storage, non-corrosive fluida
- Stainless Steel 304/316L – Untuk food grade, chemical, corrosive environment. Sesuai food-grade standard
- Duplex Stainless (2205) – High strength & corrosion resistance untuk marine/offshore application
- Alloy Steel – Untuk high temperature/high pressure service (Cr-Mo, Inconel)
- Special Coatings – Epoxy lining, rubber lining, Teflon lining untuk corrosion protection
Design Codes & Standards:
- ASME Section VIII Div 1 – Pressure vessel design & fabrication
- API 650 – Welded tanks for oil storage (atmospheric pressure)
- ASME B31.3 – Process piping design
- DIN 28136 – Agitator vessel & mixer design
- TEMA – Heat exchanger design standard
- PED 2014/68/EU – Pressure Equipment Directive (jika export ke EU)

Setiap material dilengkapi dengan Material Test Certificate (MTC) untuk traceability dan compliance audit.
Quality Assurance
- Welding oleh certified welder (ASME/AWS certified)
- Welding inspection (visual, PT/MT, RT/UT untuk critical joint)
- Dimensional inspection per drawing tolerance
- Hydrostatic test 1.5x design pressure (min 30 menit)
- Pneumatic test untuk equipment yang tidak boleh kena air
- Surface preparation & coating per specification
- Final inspection & punch list resolution
Industries & Applications
Equipment yang kami design telah digunakan di berbagai industri untuk aplikasi yang beragam, dari chemical processing hingga food manufacturing, marine, oil & gas, dan power generation.
Chemical & Petrochemical
Mixing tanks, reactors, heat exchangers, filtration systems untuk chemical manufacturing. Material selection untuk corrosive/hazardous chemicals.
Food & Beverage
Sanitary design equipment (mixing, blending, pasteurization, CIP system) dengan food-grade stainless 316L. FDA/BPOM compliance.
Pharmaceutical & Cosmetics
GMP-compliant equipment design dengan documentation lengkap. High polish finish (Ra < 0.8 µm) untuk cleanability dan contamination prevention.
Marine & Offshore
Marine equipment dengan material corrosion-resistant (duplex SS, super duplex). DNV-GL/ABS approval jika diperlukan untuk vessel installation.
Palm Oil & Agriculture
Storage tanks, heat exchangers, filtration untuk CPO/CPKO processing. Wastewater treatment equipment untuk POME (Palm Oil Mill Effluent) treatment.
Power & Utilities
Fuel storage & transfer system, cooling water system, chemical dosing untuk boiler/cooling tower. Fuel polishing system untuk genset/DG reliability.
Related Services
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Punya Project Process Equipment yang Perlu Didesign?
Diskusikan requirement Anda dengan engineering team kami. Kami akan bantu translate process requirement menjadi equipment design yang optimal, reliable, dan cost-effective.
Engineering Office: Jl. Industri Raya No. 123, Jakarta Timur
Hotline: +62 857-8096-1572 | Email: engineering@witanabe.com