Product Name: Class 600 LB, API 6D Gate Valve Low Emission Packing Set
Model: M600
Structure: Packing set with upper and lower rings
Size: 85mm * 65mm * 5 Rings
Certifications: ISO 15848-1, TA-Luft, API 622 (including high-temperature certification up to 400°C)
Application Conditions: -45°C to +425°C
Material Properties:
Graphite Purity: ≥99%
Metal Wire Content: 20% (Material: Inconel 600)
Sulfur Content: ≤50PPM
Chlorine Content: ≤20PPM
Features:
Excellent stability with no leakage fluctuation under alternating hot and cold temperatures.
Cost is less than one-fourth of European and American brands.
Professional technical guidance for installation and overall machine processing is available.
Operating Parameters
Speed: 2 m/s
Temperature Range: -200°C to +400°C (for most media), -200°C to +550°C (for steam)
pH Value: 0 to 14
Pressure: 25 MPa
Media: Suitable for most chemical substances (solvents, hydrocarbons, acids, alkalis, steam, alcohol, oil)
Except for strong oxidizing acids, such as sulfuric acid and nitric acid.
Source: https://www.magpievalves.com/class-600-lb-gate-valve-packing-api-622-graphite-85-65-mm.html