GOST 09G2S Heating Supply BW Fully Welded Ball Valve

Core product positioning

This product is a heavy-duty fully welded ball valve that strictly adheres to the Russian GOST standard and is specially designed for district heating systems. The valve body is made of 09G2S low alloy high strength structural steel, combined with a fully welded structure and butt-weld connection method, ensuring long-term reliable operation with zero leakage and maintenance-free in the high-temperature and high-pressure circulating water of the regional heating network. It is particularly suitable for harsh installation environments such as direct burial.

Detailed technical specifications

Key features

1. Specialized materials and standards

GOST 09G2S valve body: Low alloy high strength steel, featuring excellent low-temperature toughness (impact energy ≥34J at -40℃) and welding performance

Full standard compliance: The design and manufacture fully follow the GOST 33259 (valves) and GOST 5264 (welding) standards

2. Fully welded butt-weld structure

Zero leakage guarantee: The valve body is fully welded and formed, completely eliminating the potential leakage points of traditional flange connections

Permanent connection: The butt-weld end integrates with the pipeline system to form a permanent seal

Sturdy structure: Compact integrated design, with a pressure-bearing capacity comparable to that of the pipe body

3. Special design for heating conditions

High-temperature sealing: Reinforced PTFE or polystyrene (PPL) valve seats are adopted, with a temperature resistance of up to 200℃

Direct burial application: It can be equipped with an extended valve stem to meet the requirements of direct burial installation

Anti-corrosion protection: Standard configuration includes polyurethane or epoxy coal tar enamel anti-corrosion coating

Application field

District heating network: outlet of the heat source plant, inlet and outlet of the heat exchange station, and segmented control of the network

Industrial heating systems: steam pipe networks, process hot water circulation

Special applications: Direct burial, crossing sections, and high-intensity areas

Summary

The GOST 09G2S butt-weld fully welded ball valve for heating systems, through the perfect combination of dedicated material selection, innovative fully welded structure and strict manufacturing standards, provides:

Absolutely sealed and reliable: The fully welded structure completely eliminates the risk of leakage

Extra-long service life: Designed for over 30 years, maintenance-free operation

Outstanding environmental adaptability: Adaptable to harsh environments such as direct burial and low temperatures

Optimal life cycle cost: Significantly reduce maintenance and operation costs

Applicable customer groups: Thermal power companies, municipal engineering companies, large industrial and mining enterprises, and other users with extremely high requirements for the reliability of heating systems.