美标锻钢截止阀

美标锻钢截止阀是指按照美国标准（如ASME、API、ASTM等）设计、制造和验收的锻钢截止阀。它代表了全球范围内截止阀制造的高质量标准，以其卓越的材料性能、严格的尺寸规范、稳定的密封性和广泛的适用性而著称，是石油化工、电力、油气等关键行业国际项目中的首选产品。

美标锻钢截止阀其核心设计特点和关键技术包括：

符合美标规范 (Compliance with American Standards):

设计规范: 通常遵循ASME B16.34（阀门设计、锻造或铸造）等标准，对压力-温度额定值、壁厚、结构长度等有严格规定。

结构长度: 遵循ASME B16.10标准，确保互换性。

连接端: 法兰端符合ASME B16.5，螺纹端符合ASME B1.20.1等。

材料标准: 阀体、阀盖等承压件采用ASTM标准材料（如A105, A182 F304/F316, F22等）。

美标锻钢截止阀性能测试: 遵循API 598、API 602等标准进行严格的试验和检验。

锻钢阀体 (Forged Steel Body): 主要部件采用锻造成型。锻件具有细密的晶粒结构、更高的机械强度、更好的抗冲击性和抗疲劳性，彻底杜绝了铸件的疏松、气孔等缺陷，适用于更高压力等级（如Class 800、1500、2500LB）和更苛刻的工况。

美标锻钢截止阀多样化的端部连接和结构: 提供多种连接方式以满足不同管道需求：

美标锻钢截止阀端部连接: 法兰端（RF, RTJ）、对焊端（BW）、承插焊端（SW）、螺纹端（NPT）。

美标锻钢截止阀结构形式: 标准直通式（T-Pattern）、角式（Angle Pattern）、Y型（Y-Pattern）以降低流阻。

高性能密封与结构: 采用升降式阀杆、非旋转阀瓣设计，确保密封面在启闭过程中无摩擦磨损，密封稳定。密封面可堆焊司太立（Stellite）硬质合金，耐磨损、耐冲刷、耐高温。可提供波纹管密封型号，实现阀杆零泄漏。

美标锻钢截止阀应用领域:

广泛应用于遵循美国标准或国际通用标准的项目，如：石油精炼、化工装置、火力与核能发电厂、油气开采与输送、造船以及大型国际工程的总包项目。

美标锻钢截止阀核心价值:

提供了全球公认的稳定性、安全性和互换性。其标准化的设计确保了全球采购和备件的便利，是高端工业阀门市场信赖的基准产品。

Product Name: American Standard Forged Steel Globe Valve

Product Overview:

The American Standard Forged Steel Globe Valve refers to a forged steel globe valve designed, manufactured,  accepted in accordance with American standards (such as ASME, API, ASTM, etc.). It represents a high-quality benchmark in globe valve manufacturing worldwide, renowned for its excellent material properties, strict dimensional specifications, reliable sealing performance,  broad applicability. It is the product of choice for international projects in critical industries such as petrochemical, power generation,  oil & gas.

Its core design features  key technologies include:

Compliance with American Standards:

Design Standard: Typically conforms to ASME B16.34 (Valve Design, Forged  Cast), which strictly regulates pressure-temperature ratings, wall thickness,  structure.

Face-to-Face Dimensions: Conforms to ASME B16.10 to ensure interchangeability.

End Connections: Flanged ends conform to ASME B16.5, threaded ends to ASME B1.20.1, etc.

Material Standards: Pressure-containing parts like body  bonnet use ASTM standard materials (e.g., A105, A182 F304/F316, F22).

Performance Testing: Undergoes rigorous testing  inspection per standards like API 598, API 602.

Forged Steel Body: Main components are formed by forging. Forgings possess a fine grain structure, higher mechanical strength, better impact resistance,  superior fatigue resistance. This彻底 eliminates defects inherent in castings, such as porosity  shrinkage, making it suitable for higher pressure classes (e.g., Class 800, 1500, 2500LB)  more severe service conditions.

Diverse End Connections  Patterns: Offers various connection options to meet different piping requirements:

End Connections: Flanged (RF, RTJ), Butt Weld (BW), Socket Weld (SW), Threaded (NPT).

Patterns: Standard Straight-through (T-Pattern), Angle Pattern,  Y-Pattern (for reduced flow resistance).

High-Performance Sealing & Construction: Features a rising stem with a non-rotating disc design, ensuring no friction wear on the sealing surfaces during operation  reliable sealing. The sealing surfaces can be hard-faced with Stellite alloy for enhanced wear, erosion,  heat resistance. Bellows seal variants are available to achieve zero stem leakage.

Applications:

Widely used in projects adhering to American  international standards, such as: oil refineries, chemical plants, thermal  nuclear power plants, oil & gas production  transmission, shipbuilding,  large-scale international EPC (Engineering, Procurement, Construction) projects.

Core Value:

It provides globally recognized reliability, safety,  interchangeability. Its standardized design ensures ease of global sourcing  procurement of spare parts, making it a trusted benchmark product in the high-end industrial valve market.

美标: American Standard

锻钢截止阀: Forged Steel Globe Valve

ASME 标准: ASME Standard

API 标准: API Standard

ASTM 标准: ASTM Standard

压力等级: Pressure Class (e.g., Class 150, 300, 600)

结构长度: Face-to-Face Dimension

对焊端: Butt Weld End (BW)

承插焊端: Socket Weld End (SW)

螺纹端: Threaded End (NPT)

法兰端: Flanged End

射频面: Raised Face (RF)

环连接面: Ring Type Joint (RTJ)

司太立硬质合金: Stellite Hard Alloy / Hard-Facing

零泄漏: Zero Leakage