Gate Valve Packing Set, ISO 15848-1, Graphite, 38 mm * 58 mm

Product Name: Low-emission Packing Set for Gate Valve (Class 900 LB, ASTM A216 WCB)
Inner Diameter (ID): 38 mm
Outer Diameter (OD): 58 mm
Number of Packing Rings: 7 Rings
Material Composition:
Upper and Lower End Rings: Graphite + Metal Wire (20% content, SS 316, Inconel 600/625)
Middle Section: Pure Graphite
Material Properties:
Graphite Purity: ≥99%
Sulfur Content: ≤50 PPM
Chlorine Content: ≤20 PPM
Certification:
ISO 15848-1: Certified for Class 1500-2500 LB type test up to 400°C

Product Features

Low Torque Self-Lubricating Function: Reduces friction and wear for smoother operation.
Prevention of Stem Binding: Prevents stem binding caused by overloading of gland bolts.
Suitable for API 600/API 6D Valve Applications: Ideal for use in gate valves conforming to API 600 and API 6D standards.