• Standard Compliance: ASME B16.5 (NPS 1/2″ to 24″).
• Classification: Welding Neck Type (WN) with Ring-Type Joint Face (RTJ).
• Pressure Ratings: Class 150, 300, 400, 600, 900, 1500, and 2500.
• Size Range: 1/2″ (DN 15) to 24″ (DN 600).
• Sealing Surface: Precision-machined annular groove (ASME B16.20).
• Groove Surface Finish: Roughness not exceeding 1.6 μm (63 μin) Ra.
• Connection Type: Butt-weld (Hub bore machined to match pipe Schedule/Wall Thickness).
• Carbon Steel: ASTM A105 (Standard).
• Stainless Steel: ASTM A182 (F304/L, F316/L, F321).
• Low-Temperature Steel: ASTM A350 LF2.
• Alloy Steel: ASTM A182 (F11, F22, F91).
• Seal Integrity: Provides a high-integrity metal-to-metal seal ideal for volatile or hazardous media.
• Stress Distribution: Tapered hub reduces stress concentration and resists vibration and thermal shock.
• Service Limits: Suitable for temperatures exceeding 427°C (800°F) and high-pressure surges.
