Forged Steel Bellow Seal Globe Valve

Description

Forged Steel Bellow Seal Globe Valve

Size: DN50 | Pressure Rating: PN63

Key Material Specifications:

  • Body: ASTM A105N Forged Carbon Steel (high-pressure durability)

  • Disc: A105N + 13Cr Hardfacing (enhanced wear & erosion resistance)

  • Stem: ASTM A182 F6 (high-strength martensitic stainless steel)

  • Seat: 13Cr Stainless Steel (reliable sealing under high pressure)

  • Bellows: 304 Stainless Steel (corrosion-resistant, leak-proof design)

  • Operator: Handwheel (HW)

Design Features:

  • Construction: Bolted Bonnet (BB), Outside Screw & Yoke (OS&Y)

  • Sealing System: Double-sealed with bellows + gland packing (zero emissions)

  • Connection: RF Flange (EN1092 standard for secure installation)

  • Surface Finish: Epoxy Coating (robust corrosion protection)

Operating Conditions:

  • Temperature Range: -20°C to +120°C

  • Applications: Ideal for steam, oil & gas, and chemical systems requiring emission-free shutoff.

Key Advantages:

  • 100% Leakage-Free – Metal bellows prevent stem leakage (API 622 compliant).

  • Long Service Life – Hardfaced trim resists erosion in high-P/T conditions.

  • Low Maintenance – OS&Y design allows easy maintenance without valve removal.

  • Safe & Compliant – Suitable for fugitive emission control (ISO 15848-1).

(Custom trim materials and NACE MR0175 options available.)