Reliable Pipeline Sealing Solutions for Kazakhstan Energy Industry
Haihao Group has once again demonstrated its expertise as a trusted industrial gasket supplier by successfully delivering a complete range of pipeline sealing components for a major energy project in Kazakhstan. The shipment includes spiral wound gaskets, CNAF flat gaskets, and NBR O-rings, each designed and manufactured in strict accordance with ASME international standards to ensure long-term reliability and safety.
The supplied products include:
- Spiral wound gasket – Size: 2″, Pressure class: 150#, Thickness: 4.5mm, Manufactured to ASME B16.20, made from 316 stainless steel with graphite filler for superior sealing at high temperatures and pressures.
- Flat gasket (CNAF type) – Size: 3″, Pressure class: 150#, Thickness: 2mm, Complies with ASME B16.21, using compressed non-asbestos fibre (CNAF) to provide excellent chemical resistance and mechanical strength.
- Round O-ring – Material: Nitrile rubber (NBR), Dimensions: inner diameter 965mm × section 10mm, offering outstanding oil and gas sealing performance.
All gaskets were carefully inspected before shipment to ensure compliance with client specifications and project requirements. Haihao Group’s integrated manufacturing system and quality management guarantee that each product meets global standards for durability, precision, and reliability.
As an experienced ASME flange gasket manufacturer, Haihao Group supports global energy, petrochemical, and pipeline construction sectors with custom-engineered sealing and flange connection solutions. Whether it’s for offshore installations, refineries, or onshore pipeline systems, our gaskets provide the performance and dependability that customers can trust.



