The body seal is polyurethane which resists high pressure extrusion.

Feature:
1. Machined from solid steel barstock for durability.
2. The QKTL Series employs a threaded sleeve locking mechanism, mates with matching male threads on the nipple. The two halves must be manually threaded together for connection.
3. Hard, chrome alloy balls are used for valving. They a spring loaded for positive seating of the valve.
4. The valve provides a metal-to-metal seal between the ball and a coined seat.
5. The body seal is polyurethane which resists high pressure extrusion.
6. A threaded valve retainer provides a valves stop that assures positive valve alignment.

Specifications:
Body size (in) 1/4 3/8 1/2 3/4
Rated Pressure (Bar) 750 600
Rated flow (GPM) 3 6 8 10
Temperature Range (Std seals): -20° C to +80° C.