The PSS 4-61 Industrial Process Seal is an advanced split mechanical seal engineered for potable water and industrial fluid handling systems. Certified by NSF/ANSI/CAN 61 & 372 it meets strict regulatory standards for drinking water safety from source to tap. These certifications granted by NSF International after rigorous evaluation cover all wetted components and give municipalities and water utilities full confidence in selecting safe and reliable seals for critical water applications.
PSS 4-61 Industrial Process Seal Application
Benefit
- Certified for Drinking Water Systems
- The PSS 4-61 meets NSF/ANSI/CAN 61 requirements ensuring compliance with health and safety standards in water treatment and distribution.
- Patented 3D Key Split Joint
- This technology keeps seal faces aligned in both axial and radial directions improving seal reliability even in challenging environments.
- Simplified Installation with Setup Tabs
- Unique setup tabs ensure precise reassembly and enable error free installation every time.
- Fully Split Design
- No need to disassemble pumps or equipment. The true split construction minimizes downtime and simplifies maintenance.
Specifications
Materials of Construction
Stator Face: Carbon silicon carbide
Rotor Face: Silicon carbide aluminum oxide
Metal Components: 316 stainless steel
Springs: Alloy C 276
Secondary Seals: FKM EPDM
Operating Parameters
Pressure Range: Full vacuum to 30 bar (450 psi)
Temperature Range: -18°C to 121°C (0°F to 250°F)
Maximum Speed: 19.3 m/s (3800 fpm)
Available Sizes: 38 mm to 152 mm (1.500 in. to 6.000 in.)
For larger sizes see PSSL Series
Industries
The PSS 4-61 is suitable for a wide range of applications including:
Water and Wastewater Treatment
Municipal Water Management
Agriculture and Irrigation Systems
Flood Control Systems
Desalination Plants
