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ESH411

Nominal size NPS: ½ ~ 1 ½ ~ 2

Connection: socket welding, flange
Nominal pressure Class: 600
Pressure difference range bar: 0.1 to 25 0.1 to 45
PMA/TMA bar/℃ : 51.5/500
Shell material: F11


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Features

1.Movable hardened spherical seal design with evenly distributed wear, offering high reliability and long service life.

2.Continuous air discharge capability effectively prevents air binding.

3.Vertical installation with bottom‑to‑top flow direction.

4.Built‑in stainless steel check valve for superheated steam service, effectively preventing steam leakage.

5.Internals are positioned at the top of the valve cover, effectively avoiding debris interference.

Application: Suitable for superheated steam, medium‑pressure steam mains, and heating equipment.

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