Haihao Group Delivers Hot-Dip Galvanized Fastener Sets and Non-Asbestos Gaskets for Montenegro Industrial Pipeline
Haihao Group has recently completed the delivery of a batch of hot-dip galvanized fasteners and non-asbestos gaskets for a large-scale pipeline project in Montenegro, marking another successful cooperation in the European market.
The order includes high-strength bolts and nuts (Grade 8.8) combined with environmentally safe non-asbestos gaskets, designed to guarantee excellent sealing and mechanical integrity under demanding service conditions.
Galvanized Grade 8.8 Bolt and Nut
Precision-Engineered Fastening Components
Every set of pipeline bolt and nut assemblies was produced in accordance with strict dimensional and mechanical standards.
The fasteners feature M16×70, M16×75, and M20×90 specifications, coated with a hot-dip galvanized finish that provides long-lasting corrosion protection and a smooth surface suitable for outdoor installations.
Each set was supplied with non-asbestos sealing gaskets, ensuring safe and reliable joint performance for flange-to-flange connections in pressurized systems. These gaskets are asbestos-free, heat-resistant, and compatible with a wide range of industrial fluids, offering a sustainable alternative to traditional sealing materials.
Product Summary
| Product Type | Size | Description | Material | Coating | Application |
|---|---|---|---|---|---|
| Bolt & Nut Set | M16 × 75 | 8 pcs per set with one non-asbestos gasket | Carbon steel, Grade 8.8 | Hot-dip galvanized | Flange joints |
| Bolt & Nut Set | M16 × 70 | 4 pcs per set with one non-asbestos gasket | Carbon steel, Grade 8.8 | Hot-dip galvanized | Pipeline connections |
| Bolt & Nut Set | M20 × 90 | 4 pcs per set with one non-asbestos gasket | Carbon steel, Grade 8.8 | Hot-dip galvanized | Heavy-duty sealing |
| Non-Asbestos Gasket | NP16 NO40–NO200 | Supplied with bolt sets | Non-asbestos fiber | — | Industrial sealing |
All items underwent dimensional accuracy inspection, coating adhesion testing, and torque performance evaluation before shipment to ensure consistency and safety in installation.
Reliable Solutions for Harsh Environments
Haihao’s galvanized fasteners for flange connections are widely used in oil, gas, chemical, and water pipeline systems that operate under corrosive or humid conditions.
The hot-dip galvanizing process forms a durable zinc coating, offering superior resistance to rust and oxidation even after years of field exposure.
Combined with non-asbestos gaskets, the assembly ensures leak-free joints, mechanical stability, and compliance with modern environmental protection standards.
Non-asbestos gaskets ready for shipment to Montenegro
Commitment to Quality and Precision
Haihao Group maintains a comprehensive quality management system certified to international standards.
Each order is tracked from raw material inspection to final packaging, ensuring the delivered products meet strict performance expectations.
The fasteners are manufactured using advanced machining and threading equipment, while gaskets are precision-cut for accurate alignment and uniform sealing pressure.
Before dispatch, the entire batch was coated with a thin layer of anti-rust oil and securely packaged for international shipment.
Haihao Group – Trusted Partner in Industrial Connection Systems
With decades of experience in pipeline components manufacturing, Haihao Group provides one-stop solutions for flanges, fittings, fasteners, and gaskets across global energy and infrastructure projects.
By supplying reliable pipeline fasteners and sealing accessories, Haihao continues to support international partners with durable products and technical expertise, ensuring efficiency and safety in every connection.
The successful supply of hot-dip galvanized fasteners and non-asbestos gaskets to Montenegro highlights Haihao Group’s strong capabilities in manufacturing corrosion-resistant pipeline accessories.
Through continuous innovation and strict quality assurance, Haihao remains committed to delivering dependable fastening and sealing systems for projects worldwide.
Structured FAQ (SEO-Optimized)
Q1: Why choose hot-dip galvanized fasteners for pipelines?
A1: Hot-dip galvanizing offers thick zinc protection that prevents corrosion and extends service life in outdoor and industrial environments.
Q2: What are the benefits of using non-asbestos gaskets?
A2: Non-asbestos gaskets provide high temperature resistance, chemical stability, and safety without environmental hazards associated with asbestos materials.
Q3: Can Haihao customize bolt and gasket sets for specific standards?
A3: Yes, Haihao offers custom fabrication of bolts, nuts, and gasket assemblies to meet EN, DIN, ASME, or project-specific requirements.