高压气动调节阀产品概述

高压气动调节阀是一种采用气动执行机构驱动的高精度压力调节装置，专为石油化工、电力、冶金等行业的高压工况（PN16~PN420/Class 150~2500）设计。该产品通过接收4-20mA或0.1-0.5MPa气源信号，控制阀芯开度，实现流体压力、流量的连续调节。

高压气动调节阀核心技术特点：

高压适应性设计

采用整体锻造阀体（ASTM A105/F316L材料）

压力等级覆盖ANSI Class 150~2500

符合ASME B16.34、IEC 60534标准

高压气动调节阀精密调节性能

配备高精度气动定位器（±0.5%线性度）

多级降压阀内件设计（降低噪音和汽蚀）

流量特性可选线性/等百分比

高压气动调节阀密封系统

金属硬密封结构（致耐温650℃）

泄漏等级达ANSI/FCI 70-2 Class IV

防火设计符合API 607标准

高压气动调节阀智能控制功能

支持HART/Fieldbus通讯协议

可选防爆型（Ex dⅡCT6）执行机构

 高压气动调节阀故障安全模式（弹簧复位/气开气关）

高压气动调节阀优化结构设计

高压气动调节阀低流阻流道设计（CV值提升30%）

高压气动调节阀模块化阀内件便于维护

高压气动调节阀自诊断功能（阀位反馈、故障报警）

关键术语对照表：

中文English整体锻造阀体Monoblock forged body多级降压阀内件Multi-stage pressure reduction trim金属硬密封Metal-to-metal sealing故障安全模式Fail-safe modes低流阻流道Low-resistance flow path自诊断功能Self-diagnosis functions

注：可根据实际应用需求补充NACE MR0175抗硫腐蚀认证、SIL2功能安全等级等特殊要求。

High-Pressure Pneumatic Control Valve Product Overview

The high-pressure pneumatic control valve is a precision pressure regulating device with pneumatic actuation, specifically designed for high-pressure applications (PN16~PN420/Class 150~2500) in petrochemical, power metallurgical industries. It achieves continuous fluid pressure/flow control by precisely adjusting the plug position according to 4-20mA 0.1-0.5MPa air supply signals.

Core Technical Features:

High-Pressure Adaptability

Monoblock forged body (ASTM A105/F316L)

Pressure ratings up to ANSI Class 150~2500

Compliant with ASME B16.34, IEC 60534

Precision Control Performance

High-accuracy pneumatic positioner (±0.5% linearity)

Multi-stage pressure reduction trim (noise/cavitation control)

Selectable flow characteristics (linear/equal percentage)

Reliable Sealing System

Metal-to-metal sealing (650℃ max temperature)

ANSI/FCI 70-2 Class IV leakage rating

Fire-safe design per API 607

Smart Control Functions

HART/Fieldbus communication protocols

Optional explosion-proof actuator (Ex dⅡCT6)

Fail-safe modes (spring return/air-to-open/close)

Optimized Structural Design

Low-resistance flow path (30% higher CV value)

Modular trim for easy maintenance

Self-diagnosis functions (position feedback, fault alarm)