BA Grade Semiconductor Stainless Steel Bellows Globe Valve

Welded Type

Temperature -40 to 200 degrees

Caliber: DN15-DN200

Material: 304, 316, 316L

Medium: Clean Gas

Types: Pickling (Ra≤2.5μm), Mechanical Polishing (Ra≤0.4μm), Bright Annealing (Ra≤0.3μm), Electrolytic Polishing

4. Surface Treatment: Mechanical Polishing and Electrochemical Polishing (Surface Roughness 40uin/1.0um Ra-8uin/0.20um Ra).

5. Used in instrument systems, compressed air, high-purity gases, chemical systems, WFI systems, and other gas pipeline systems with high purity requirements.

Cleaned and packaged in a CLASS10 cleanroom, with both ends sealed with LDPE caps.

Nominal Diameter: 1/4'' to 12''. Connection Methods: Butt Weld, Extended Automatic Weld, Clamp, Ferrule. BA, EP, AP Grade Bellows Globe Valves, Main Materials: SS304, SS304L, SS316, SS316L. BA Bellows Globe Valve Treatment Status: 1. Internal and external surfaces bright annealed and polished; 2. Internal surface mechanically polished; 3. External surface pickled and polished; 4. Internal and external surfaces electrolytically polished (optional). BA Bellows Globe Valve Internal and External Surface Treatments: Bright Annealing; Passivation; Mechanical Polishing; Electrolytic Polishing (optional).