1″-600LB Oxygen Globe Valve

Technical Data Sheet

Product: Oxygen Service Globe Valve
Size / Rating: 1″ – Class 600 (RF / BW)

1. General Description

This globe valve is specifically designed for oxygen service, manufactured and cleaned in strict accordance with oxygen‑compatible requirements. The body is constructed of fully austenitic stainless steel, featuring an anti‑static design and rigorous degreasing procedures to ensure safe and reliable operation under high‑pressure oxygen conditions. It is widely used in air separation units, oxygen transmission pipelines, steelmaking, and chemical plants where safety is paramount.

2. Basic Specifications

3. Material Specification

4. Special Design Features for Oxygen Service

4.1 Degreasing & Cleaning

• 100% degreasing – All components are thoroughly degreased and cleaned prior to assembly to ensure no oil, grease, or organic residues remain.
• Cleanliness verification – Inspected under UV light and tested for residual content in accordance with ASTM G93 or CGA G‑4.1.
• Packaging & labeling – Valves are packaged in clean, sealed bags and clearly labeled “Oxygen Service” or “Degreased”.

4.2 Material Compatibility

• All wetted metal parts are austenitic stainless steel (316/316L) with excellent corrosion and oxidation resistance.
• Packing and gaskets are non‑combustible, oxidation‑resistant flexible graphite, compatible with oxygen service.

4.3 Anti‑Static & Fire Safety Design

• Anti‑static device – A grounding spring ensures electrical continuity between the stem and body, preventing static charge accumulation.
• Blowout‑proof stem – Stem is designed with a blowout‑proof feature to prevent ejection in the event of packing failure.
• Fire safe – Optional design meeting API 607 requirements.

4.4 Flow Path Design

• Smooth, pocket‑free flow path minimizes particle accumulation and high‑velocity localized flow.
• Globe valve design with flow “under the disc” ensures tight shut‑off.

5. Testing & Standards

6. Installation & Maintenance Notes

6.1 Installation Precautions

• Flow direction – Install according to the flow arrow on the body (flow under the disc).
• Oil‑free handling – All tools, gloves, and sealing materials must be clean and oil‑free. Do not use oil‑based lubricants.
• Flange connection – Use oil‑free gaskets (spiral wound stainless steel recommended). Tighten bolts evenly in a cross pattern.

6.2 Operation & Maintenance

• Operatie – Operate the handwheel smoothly and slowly to avoid pressure surges or friction sparks.
• Periodic inspection – Regularly inspect the packing area for leakage. If slight leakage occurs, carefully tighten the packing gland.
• Maintenance – After any repair, the valve must be re‑degreased before returning to oxygen service.

7. Approximate Dimensions (for reference)

Note: Final dimensions are subject to the specific design; certified GA drawings should be referenced for engineering purposes.

Remarks:

1. This valve is dedicated to oxygen service and must not be used in non‑degreased piping systems.
2. For actuated versions (electric or pneumatic), an ISO 5211 top mounting flange is available; the actuator and coupling must also be degreased.
3. For high‑pressure oxygen service (> 3 MPa), a slow‑closing actuator is recommended to avoid pressure surges.

GARANTIE:

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