Designed specifically for abrasive and erosive condition Gates available: Nickel-plated carbon steel, Monel, Aluminum Bronze or Stainless Steel Stainless or Carbon Steel Inserts with Nitrile or HNBR Elastomer Connection: Flange/Thread/Butt weld/Hammer Union Pressure ratings up to 5,000 psi in 2", 3", 4", 5" x 4" and 6" x 4" Valve Sizes Working Temperature: -46¡ãC ~ +121¡ãC Sour Service Models to NACE MR-01-75 Specification Level: PSL1 ~ PSL3 Perfomance Requirement: PR1 ~ PR2 Factory Pressure Tested in Accordance with API.6A Application: Mud pump line, standpipe manifolds, oil and gas pipelines, abrasive drilling mud system, corrosive water flood lines, cementing services, wellheads, and well treating chemicals