Description
The Armstrong International FH1399-1 is a New Style replacement body gasket designed to maintain a reliable, leak-free seal in Armstrong’s PT-300, PT-3500, and PT-400 Series Pump Traps, as well as the DD-6 and DD-12 Double Duty Steam Trap assemblies. With an 8-3/4″ outer diameter, this gasket is precision-engineered to match the exact sealing surface of the trap body, ensuring proper compression and long-term integrity under demanding steam system operating conditions.
Using genuine Armstrong International replacement parts like the FH1399-1 is critical to preserving the performance, efficiency, and service life of your steam trap and pump trap equipment. A compromised or worn body gasket can lead to steam leakage, energy loss, and costly system downtime — making timely replacement with the correct OEM part essential for any preventive maintenance program.
Key Features
- New Style body gasket with 8-3/4″ outer diameter (O.D.)
- Direct OEM replacement for Armstrong International pump traps and double duty steam traps
- Compatible with PT-300, PT-3500, and PT-400 Series Pump Traps
- Compatible with DD-6 and DD-12 Double Duty Steam Traps
- Precision-engineered for a leak-free body seal under steam system pressures
- Supports preventive maintenance and system reliability
Compatible Equipment
- Armstrong PT-300 Series Pump Traps
- Armstrong PT-3500 Series Pump Traps
- Armstrong PT-400 Series Pump Traps
- Armstrong DD-6 Double Duty Steam Traps
- Armstrong DD-12 Double Duty Steam Traps
Specifications
- SKU: FH1399-1
- Brand: Armstrong International
- Gasket O.D.: 8-3/4″ (8.75″)
- Style: New Style
- Part Type: Body Gasket
