Product Name: Floating Seal (HF0635) Standard: Standard Style: Mechanical Seal Material: metal Shape (For Gasket): Ring Gasket Function: Rotary Sealing Application: Equipment Seal HS Code: 8484100000 Product Description Part NO.: 2M 2858/CR3107/ 9W7216 / 9W5224/5K6191Size: 63.5 *82.5*32.0Package: One set/box; 164boxes/cartonThe products are made of high alloy steel, and it wears well and keeps the precise size.The working surface hardness: HRC 60-72Roughness of abrasive surface: GB1031-68, Ra0.02- 0.032 µ MWide range of temperatrue of application: From: -50Cto 120C