Air Poppet

Details

This product is a precision - cast mechanical poppet valve core assembly, made of high - strength alloy steel and surface - hardened. It is suitable for high - pressure fluid control systems. Its structure includes core components such as the valve stem, sealing seat, and guide vanes. The design complies with both ASME and ISO standards and is suitable for industrial - grade valve requirements.

Product Overview

Key Design Highlights

1. Three - Dimensional Symmetrical Structure

The central axis symmetrical design ensures that the rotational symmetry error is ≤ 0.05mm, improving the dynamic seal stability.
The guide vanes adopt a three - vane layout, symmetrically distributed at an angle of 60°, enhancing the fluid guiding efficiency.

2. Precise Tolerance Control

The key dimensions are marked with an accuracy of ± 0.005", and the fit is H7/g6, reducing friction loss.
The surface roughness requirement is Ra ≤ 0.8μm, effectively reducing medium retention.

3. Functional Detail Optimization

The chamfering and burr - removal markings are clear, preventing scratching during assembly;
The heat treatment marking "POLISH AFTER ANODIZE" improves wear resistance and corrosion resistance.

Core Parameters and Manufacturing Standards

Item	Technical Index
Material	Tensile strength ≥ 120ksi
Hardness requirement	Surface hardened treatment, HV ≥ 350, with core toughness retained
Sealing surface accuracy	Flatness ≤ 0.002mm, roundness error ≤ 0.001mm
Geometric tolerance	Perpendicularity ≤ 0.005mm/m
Surface treatment	Electroless nickel plating+ hard anodizing