Haihao Group Supplies Pipeline Components for Russian Energy Project
Haihao Group is pleased to announce the successful delivery of a customized package of pipeline products for a valued Russian customer. This shipment demonstrates our strong capability to provide integrated piping solutions, combining flanges, fasteners, gaskets, and sealing elements for demanding energy and industrial applications.
Stainless steel bonded sealing washers with nitrile inserts
Order Details
The supply included:
- GOST 33259 Weld Neck Flange DN400 PN40, material 20# carbon steel, designed with a raised face for reliable sealing under high pressure.
- Bolt Set: M36 × 220mm bolts with 2 nuts and 2 flat washers, material ST35/ST25, providing secure connections in heavy-duty piping assemblies.
- Metal Spiral Wound Gasket DN400 PN40, with 304 stainless steel inner ring and graphite filler, perfectly matched to the raised face flange for enhanced sealing performance.
ASME B16.48 ASTM A516 Grade 60 Spectacle Blind Flange ready for shipment
Key Advantages
- Tailored Solutions: Every product was manufactured to meet project specifications, ensuring a precise fit and optimal performance.
- High-Strength Materials: Carbon steel flanges, steel bolts, and stainless-steel reinforced gaskets guarantee long-term durability and resistance to both mechanical stress and temperature variations.
- Sealing Reliability: The combination of raised face flanges with spiral wound gaskets minimizes leakage risk in high-pressure environments.
- Compliance with Standards: All items conform to GOST, ASME, and international piping codes, supported by full inspection and quality reports.
Applications
This package will be used in oil & gas facilities, chemical processing, and energy projects, where secure flange connections and reliable sealing are critical for safety and efficiency.
By delivering flanges, gaskets, and bolts together as a complete solution, Haihao Group helps clients reduce sourcing complexity while ensuring consistent quality across all pipeline components.