20000PSI针阀
商品详情
性能特点
技术参数




20000PSI针阀
20000PSI针阀是专为极端高压流量控制设计的调节阀门,额定工作压力达20000PSI(138MPa)。本产品采用精密研磨针形阀芯和多重密封技术,可实现对高压流体的毫米级调节,广泛应用于石油测试、化工流程、军事装备等领域的超高压系统。
核心特点:
超精密调节系统:
硬化处理的锥形针形阀芯(硬度HRC60+)
微米级精密研磨阀座
0.5°高精度调节螺纹
军事级压力防护:
整体锻造阀体(AISI 4340材料)
三重压力边界设计
20000PSI(138MPa)爆破测试认证
智能密封方案:
主密封:金属-金属硬密封
次级密封:石墨缠绕垫片
应急密封:自紧式弹性密封
人机工程设计:
防滑力矩放大手轮
阀杆位置指示标尺
360°旋转阀盖设计
典型应用:
油气井口压力测试系统
超临界流体控制装置
军事高压实验平台
水刀切割压力调节
材料认证:符合ASTM A182 F22、NACE MR0175标准
温度范围:-29°C至+427°C(特殊材料可达+650°C)
泄漏等级:符合ANSI/FCI 70-2 Class VI标准
可选配电动/气动执行机构,实现远程控制
建议维护周期:每500次操作或6个月进行密封检查
20000PSI Ultra-High Pressure Needle Valve Product Overview
The 20000PSI Ultra-High Pressure Needle Valve is precision-engineered for extreme pressure flow control applications, rated at 20000PSI (138MPa). Featuring ground needle stem multi-stage sealing technology, it achieves millimeter-level flow regulation in oil & gas testing, chemical processing military high-pressure systems.
Key Features:
Ultra-Precision Control:
Hardened tapered needle stem (HRC60+)
Micron-level ground seat
0.5° precision adjustment threads
Military-Grade Protection:
Integral forged body (AISI 4340)
Triple pressure boundary design
20000PSI (138MPa) burst-proof certified
Intelligent Sealing:
Primary seal: Metal-to-metal hard seal
Secondary seal: Graphite spiral wound gasket
Emergency seal: Self-energizing elastic seal
Ergonomic Design:
Anti-slip torque-amplified handwheel
Stem position indicator scale
360° rotatable bonnet
Typical Applications:
Wellhead pressure testing systems
Supercritical fluid control devices
Military high-pressure test platforms
Waterjet cutting pressure regulation
