1.Applications Designed for ANSI and DIN processing pump, meet normal media requirement 2.Structure Features Rotary seal Multiple springs Single seal Balanced Modular design Protect spring seal Meet stuffing box and seal chamber’s sizes of ANSI B73.1, EN12756 and ISO3069 Complete preassembly cartridge design 3.Operating Parameters Temperature: -40°C to +260°C (-40°F to +500°F) Pressure: to 25bar Speed: to 20m/s