Overview
The TLV SJ7-1 is a 1-1/2″ free float steam trap rated for 250PSIG operation. Built as a multi-purpose condensate removal device, the SJ7-1 combines free float and thermostatic air venting technologies for rapid startup and consistent performance in industrial heating applications. Cast iron construction ensures durability across demanding process equipment environments.
Key Features
- Free Float Mechanism: Precision-ground float with three-point seating design provides steam-tight shut-off and eliminates concentrated wear for extended service life.
- Water Seal & Rotational Seating: Constant water seal and unique rotational seating ensure tight shut-off even under low-load conditions.
- Thermostatic Air Vent: Integrated durable thermostatic air vent automatically vents air during startup for rapid performance and prevention of air binding.
- Water Hammer Resistance: Float rated for up to 1740 psig hydraulic shock resistance, protecting equipment from pressure surge damage.
- Inline Maintenance: Easy access to internal parts simplifies cleaning and reduces maintenance downtime.
- Integrated Strainer: Built-in strainer protects seating surfaces and extends component life.
Technical Specifications
The SJ7-1 operates across a range of differential pressures with variable condensate discharge capacity. Maximum operating pressure is 250 PSIG with rated temperature of 428°F. The trap features NPT threaded connections (other standards available per request) and cast iron body construction. Recommended safety factor is at least 1.5 for sizing applications.
Typical Applications
- Heat exchangers and process heating systems
- Tank heaters and vessel heating
- Dryers and drying equipment
- Industrial laundries and textile processing
- Food and beverage processing equipment
- Chemical and pharmaceutical heating systems
Compatibility & Replacements
Compatible With
- Standard steam piping systems rated 250 PSIG or lower
- NPT (National Pipe Thread) inlet and outlet connections
- Low to medium condensate discharge applications
- Heat exchanger and process equipment manifolds
- Return line systems with proper condensate routing
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The SJ7-1 is part of TLV’s SJ7 series; confirm exact replacement model numbers with manufacturer documentation or your controls engineer.
Works With
- Standard steam distribution and return systems
- Condensate manifold and collection systems
- Pressure gauges and differential pressure monitoring devices
- TLV trap stations and valve assemblies
- Industrial steam generation and boiler systems
