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HM 58U, HM 58B, HM 59B, HM 59U
Basic Characteristics
Structure | Single End |
Pressure | High Pressure |
Speed | Standard Speed |
Temperature | High Temperature Resistance |
Property | Wear Resistant |
Standards | DIN 24960, ISO 3069, GB 6556, EN 12756 |
Models | HM 58U, HM 58B, HM 59B, HM 59U |
Balance | Unbalanced (58U and 59U) and Balanced (58B and 59B) |
Shaft Diameter Range | 20 mm to 100 mm |
Product Detailed Description
HM 58U, 58B, 59B, and 59U mechanical seals are designed for rotating equipment such as chemical centrifugal pumps, vacuum pumps, compressors, and reactors.
Structural Features: Single end, multiple springs, unbalanced (58U and 59U) and balanced (58B and 59B) types, suitable for any rotation direction, and driven by a drive sleeve. These mechanical seals feature a compact structure, short axial dimensions, and balanced sealing face load. They can serve as complete replacements for John Crane type 58B, 58U, 59B, 59U, and other similar models.
Application Fields: Primarily used in rotating equipment including chemical centrifugal pumps, vacuum pumps, compressors, and reactors. Suitable for industries such as chemical processing, refrigeration, oil refining, sewage treatment, power generation, papermaking, and pharmaceuticals.
Operating Parameters
Working Pressure | ≤ 4.0 MPa |
Working Temperature | -40 to 200°C |
Linear Speed | Not exceeding 25 m/s |
Material Pairing
Rotary Seal Face | Graphite/Silicon Carbide/Tungsten Carbide |
Stationary Seal Face | Alumina Ceramic/Silicon Carbide/Tungsten Carbide |
Auxiliary Seal | NBR/EPDM/FKM/PTFE/FFKM |
Spring | SS304/SS316 |
Metal Parts | SS304/SS316/SS316L |
Media | Water, Oil, Mineral Acids, Alkalis, Salts, and Organic Solvents. |
Customization Available | Contact us to provide your customization requirements |
Product Drawings
HM 58B/59B Drawing
HM 58U/59U Drawing
