平衡式高压截止阀

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平衡式高压截止阀

Type：J547Y/J547H

Subtitle：Ultra-high pressure stop valve

我们的平衡式高压截止阀专为 2500LB 级（PN420）应用中的精确流量调节而设计。创新的压力平衡旋塞设计可确保平稳运行，同时在极端压力下保持可靠的关闭。

标签：高压阀

类别：角式截止阀, 锻钢截止阀

工作条件化工厂, 高温高压, 高温高压蒸汽系统, 液化天然气（LNG）

产品概览

我们的 balanced high pressure stop valve is specifically engineered for precise flow regulation in 2500LB Class (PN420) applications. The innovative pressure-balanced plug design ensures smooth operation while maintaining reliable shut-off under extreme pressures.

主要功能

1. Optimized High-Pressure Performance

2500LB Class (PN420) maximum rating
Balanced plug design reduces operating torque by 50-60%
Precision-machined flow passages minimize turbulence

2. Heavy-Duty Construction

Forged ASTM A182 F22/F91 body for high-temperature service
Integral hard-faced seats (Stellite 6/21)
Anti-blowout stem with live-loaded packing

3. Superior Sealing Technology

Primary metal-to-metal seal (Class IV standard)
Secondary graphite emergency seal
Fire-safe API 607 compliant design

Technology Comparison

特点	2500LB Balanced Stop Valve	Conventional Globe Valve	闸阀
Max Pressure	2500 级	1500 级	2500 级
流量控制	Precise throttling	良好的监管	仅限开/关
Operating Torque	50-60% lower	High	Moderate
Seal Integrity	Dual sealing system	Single seal	Metal seal
维护	10-year service interval	Annual packing replacement	5-year

中型

天然气, 石油, 蒸汽

工作条件

化工厂, 高温高压, 高温高压蒸汽系统, 液化天然气（LNG）, 石化工业, 发电厂

总结

This 2500LB balanced stop valve delivers unmatched control and reliability for the most demanding high-pressure applications. Its optimized design solves the traditional challenges of high-pressure throttling while minimizing operating effort.

产品参数

尺寸范围	½" to 6" (DN15 to DN150)
压力等级	Class 1500 to 2500 (PN260 to PN420)
Temperature	-46°C to 593°C (-50°F to 1100°F)
车身材料	A182 F11/F22/F91/F316
末端连接	RF, RTJ,