Steam Globe Control Valve, DN25-DN250, PN25, Cast Steel

Name: Steam Globe Control Valve, DN25-DN250, PN25, Cast Steel
Availability: InStock
Rating: 5 (1 reviews)

Key Specifications / Features

Introducing our Cast Steel Steam Globe Control Valve, available in sizes ranging from DN25 to DN250 (1 Inch - 10 Inch) with a nominal pressure of PN25. Designed for water and steam applications, it operates efficiently within a temperature range of -20 to 350°C, featuring an equal percentage fluid characteristic and a minimal leakage rate of Kvs ≤0.02%. Constructed with 304 Stainless Steel components for durability, it boasts a precise stroke of 20mm for DN25-100 and 40mm for DN125-250. Key features include a precision-cast valve body, pressure-balanced design for smooth operation under high differential pressure, and a maximum allowable differential pressure of 1000kpa. Additionally, specialized stem seals and all-metal connection valve seats ensure optimal performance and extended service life, while compliance with the GB 9113 flange connection standard ensures seamless integration and compatibility.

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Detail Information

SPECIFICATIONS
Product Name: Cast Steel Steam Globe Control Valve
Size: DN25-DN250, 1 Inch - 10 Inch
Nominal pressure: PN25
Applicable medium: Water, steam
Medium temperature: -20 to 350°C
Fluid characteristics: Equal percentage
Leakage rate: Kvs ≤0.02%
Valve Stem, Plug, Seat: 304 Stainless Steel
Stroke: DN25-100 20mm, DN125-250 40mm

Features:
1. Precision-cast valve body for enhanced durability and performance.
2. Pressure-balanced design ensures high shut-off capacity with minimal force and smooth operation even under high differential pressure conditions.
3. Maximum allowable differential pressure up to 1000kpa.
4. Stem seal employs specialized seals for optimal performance.
5. All-metal connection valve seat ensures extended service life.
6. Complies with the GB9113 flange connection standard for seamless integration and compatibility.

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FAQs

What Are Rising Stem & Non-Rising Stem Gate Valves?

What is a Non-Rising Stem Gate Valve?

A valve where the stem does not move vertically but rotates internally to raise or lower the gate. This design is ideal for installations with limited vertical space.

How Does a Non-Rising Stem Gate Valve Work?

The handwheel turns the stem, which in turn moves the gate up or down inside the valve body without changing the external height of the stem.

How Does a Rising Stem Gate Valve Work?

The handwheel lifts the stem and gate together, providing a visual indication of whether the valve is open or closed.

Which Valve Should I Choose?

Use a rising stem valve for above-ground applications where visibility and ease of maintenance are important.

Use a non-rising stem valve for underground or space-limited installations.

Conclusion

The choice between rising stem and non-rising stem gate valves depends on your specific application needs. For clear valve status indication and easy maintenance, go with a rising stem valve. For compact installations, a non-rising stem valve is the better option.