The extended stem bellows globe valve features an extended valve stem design, facilitating installation and operation in buried or elevated positions.
○ Nominal diameter: DN15 – DN300mm
○ Nominal pressure: PN16 – PN64 (corresponding to Class 150 – Class 300)
○ Applicable medium: steam, hot water, heat transfer oil, corrosive or toxic liquid/gas
○ Operating temperature: –40°C to +450°C (up to 540°C for high-temperature models)
○ Connection method: flange connection
○ Valve body material: WCB, stainless steel 304, 316L
○ Bellows material: stainless steel, special steel, alloy steel
○ Sealing form: dual sealing with metal bellows and graphite packing
○ Valve stem structure: Overall elongated valve stem, with length customizable
○ Operating mode: handwheel, electric, pneumatic
○ Design standards: API 600 / API 602 / BS 1414 / ASME B16.34
○ Test standard: API 598 or ISO 5208 (housing and sealing test)
○ The extended valve stem design facilitates operation in special locations such as deep wells or high platforms.
○ The fully sealed structure of the bellows ensures zero leakage by preventing medium leakage.
○ Flexible opening and closing, low torque, no jamming even after long-term use, stable and reliable operation.
○ Resistant to high temperature and high pressure corrosion, suitable for a variety of harsh industrial medium conditions.
○ The valve body structure is sturdy and durable, with long service life against thermal fatigue and mechanical wear.
○ A cutoff point requiring manual operation on the ground within the valve chamber of the buried steam pipeline.
○ Remote switch control point for high-temperature heat transfer oil system in underground pipe trench of chemical plant.
○ Maintenance and installation of key isolation parts for buried hot water pipe network in thermal power stations.
○ The control valve of the elevated pipeline in the pharmaceutical clean workshop requires an extension of the operating rod.
○ Safety shut-off and regulating points for medium pipelines within the cofferdam of the petrochemical storage tank area.
The Y-shaped bellows globe valve adopts a straight-through and direct-flow structure. This structure features low fluid resistance
The high-temperature steam bellows globe valve utilizes a fully metal bellows seal, capable of withstanding temperatures up to 600℃, with zero external leakage.
The compact bellows globe valve features a compact structure that saves installation space. It adopts an all-metal bellows sealing design to ensure no external leakage.