BS 1873 Globe Valve

BS 1873 globe valve is an industrial valve designed and manufactured according to the British standard BS 1873. It is mainly used for cutting off, regulating and controlling the flow direction of fluids in pipeline systems. Its core features are standardized design, high pressure adaptability and diversified material selection, suitable for petroleum, chemical, energy and other industries.

 

BS 1873 globe valve

 

Advantages ‌
Sealing reliability ‌: Forced sealing design combined with carbide cladding, leakage rate ≤ 0.01% × DN (verified according to API 598 standard); ‌

High-pressure adaptability ‌: Applicable to PN40~PN100 high-pressure pipeline systems, such as oil and gas transportation and high-temperature steam pipelines; ‌

Convenient operation ‌: The flange connection structure simplifies installation, and the manually driven valve only needs 90° rotation to complete the opening and closing, supporting remote automation control; ‌

Long-life design ‌: The pressure self-sealing structure and wear-resistant coating can reduce the impact wear of the medium and extend the service life.

Application ‌

Oil and gas ‌: Used for high-pressure cut-off and regulation of oil and gas pipelines, resistant to corrosion by sulfur-containing media; ‌ Chemical and pharmaceutical ‌: Control the flow of corrosive liquids (such as weak acids and alkalis) to prevent cross-contamination of media; ‌

Energy and power ‌: High-temperature and high-pressure fluid control in steam boiler systems and thermal networks; ‌

Water treatment and urban water supply and drainage ‌: Applicable to the on-off and pressure regulation of large-flow water media.

Differences from other globe valves ‌
‌Standards and specifications‌

‌BS 1873‌: Complies with British standards, emphasizing compatibility with international standards such as ANSI and ASME; ‌Other standards‌ (such as national standard GB, American standard API): Design focuses on localized needs, such as American standard pays more attention to high temperature and high pressure performance.
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Sealing technology‌

BS 1873 valves adopt a ‌double sealing surface design‌ (such as cladding carbide + metal hard seal), which is better than the single soft seal structure of some national standard valves;
Medium and high pressure models (such as Class 600LB) are equipped with self-tightening seals, which are different from the fixed seal structure of ordinary globe valves.
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Material and process‌

Material selection is more flexible (such as stainless steel, chrome-molybdenum steel), and it is more corrosion-resistant than traditional cast steel valves;
The valve stem is tempered and nitrided, and its anti-scratch performance is better than ordinary valves without strengthening treatment.

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