
Tb2 Mechanical Seals for Sulzer APP Process Pumps. Ready-Fitted Design: Designed as an organic part of centrifugal pumps without extra components for reliable operation. Pressure Variation Resistance: Seal faces do not open during pressure variations, dropouts, or vacuum pressure conditions. Self-Circulating Seal: Structure pumps sealing liquid internally, eliminating the need for a separate circulation pump. Precision Manufacturing: Utilizes Haas 4/5-axis CNC and Zeiss CMMs with <0.01mm tolerance for high-precision production. Dual Certification: Certified by ISO 9001:2015 and API Q1 10th Edition ensuring rigorous quality control. Cost-Effective Solution: Simple design offers significantly lower costs compared to complex cartridge mechanical seals. Flexible Customization: Provides tailored engineering solutions for unique pressure, temperature, and medium conditions. Global Logistics Support: Located near Shanghai/Ningbo ports with a network of agents for on-site service and support.