Y Type Bellows Seal Globe Valve
Key Specifications / Features
Detail Information
Application
Hot oil system, steam system, hot and cold water system, etc.
Advantage
1.Bellow seal element. The key part of bellow sealed globe valves is mental bellow. It is the connection between cover and stem with automatic roll welding. The mental bellow can keep the stem part no leakage.
2.Benefit from the cone and streamline shape design, the disc has a reliable seal and longer service life.
3.Double seal design (bellows and packing). Bellow and packing can protect against leakage and provide a excellent seal.
4.Grease nipple. It can direct lubricate the stem, nut and sleeve.
5.Ergonomic hand wheel. It provide longer service life and easier operation.
Technical specification
Design standard: DIN 3356.
Face to face dimension: DIN 3202.
Flanged ends: DIN 2543-2545.
Test, inspection: DIN 3230.
Product application: Steam system, heat conduction oil system, cold and hot water system, etc.
Material: Cast steel, forged steel, stainless steel ANSI material.
The nominal size: DN15-DN400.
It is also available for the customization of the DN450 and above caliber products.
Nominal pressure: PN16-PN40.
The product can also be provided customized PN64 and above pressure products.
Connection mode: Flange, thread, welding (butt welding, socket welding).
Hot oil system, steam system, hot and cold water system, etc.
Advantage
1.Bellow seal element. The key part of bellow sealed globe valves is mental bellow. It is the connection between cover and stem with automatic roll welding. The mental bellow can keep the stem part no leakage.
2.Benefit from the cone and streamline shape design, the disc has a reliable seal and longer service life.
3.Double seal design (bellows and packing). Bellow and packing can protect against leakage and provide a excellent seal.
4.Grease nipple. It can direct lubricate the stem, nut and sleeve.
5.Ergonomic hand wheel. It provide longer service life and easier operation.
Technical specification
Design standard: DIN 3356.
Face to face dimension: DIN 3202.
Flanged ends: DIN 2543-2545.
Test, inspection: DIN 3230.
Product application: Steam system, heat conduction oil system, cold and hot water system, etc.
Material: Cast steel, forged steel, stainless steel ANSI material.
The nominal size: DN15-DN400.
It is also available for the customization of the DN450 and above caliber products.
Nominal pressure: PN16-PN40.
The product can also be provided customized PN64 and above pressure products.
Connection mode: Flange, thread, welding (butt welding, socket welding).
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FAQs
OS&Y stands for Outside Screw and Yoke. This design places the threaded stem outside the valve body, with the yoke supporting the stem. It allows users to visually verify whether the valve is open or closed by observing the stem’s position.
OS&Y gate valves are commonly used in fire protection systems, including sprinklers, hydrants, and standpipes, due to their reliability and clear open/close indication.
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