Teflon Bellows Seal: EMD-31
Teflon Bellows Seal: EMD-31
HydroMax Seal EMD-31 | Multi-Spring Teflon Bellows Component Seal (2-Slot Design)
The EMD-31 is a multi-spring, external component seal with a 2-slot replaceable Teflon bellows, engineered for parallel shaft applications. This design features a collet clamp drive mechanism and eliminates the need for elastomers, making it well-suited for chemically aggressive and high-purity environments.
Constructed with a composite glass-filled Teflon (GFT) bellows and a monolithic seal face, the EMD-31 ensures stable sealing performance under moderate pressure and temperature conditions. The seal is supplied with a stationary seat as standard.
Product Description
Design Features
- External seal configuration for parallel shafts
- 2-slot replaceable Teflon bellows – no elastomers, excellent chemical resistance
- Multi-spring design for uniform face loading
- Collet clamp driven for secure installation
- Includes monolithic seal face and stationary seat
- Suitable for larger shaft applications and aggressive media
Technical Specifications
- Seal Shaft Sizes:
40mm – 140mm - Inboard Seal Face Combination:
GFT/Cer, GFT/SiC - Bellows Material:
Composite GFT (Glass Filled Teflon) - Pressures:
up to 5 Barg (73 psig) – Shaft Size Specific - Temperatures:
up to 110°C (230°F)
HydroMax Seal provides a comprehensive selection of Teflon and metal bellows mechanical seals in various designs and face combinations for high-performance sealing in demanding applications.
