Parker Hannifin Corporation
Fluid System Connectors
Otsego, Michigan
K20
Catalog 3501E
90
° Ball Valves
Series 590/591
Parker’s industrial ball valve product line is intended for general
purpose use. Please be aware that ball valves are intended for
use in the fully open or closed positions. Depending on application
conditions, throttling of the valve may result in premature seal failure
and/or inability to turn the valve handle.
For use as fuel line shutoffs for gasoline and diesel powered over the
highway, off highway and construction equipment vehicles.Water and
air service lines on capital equipment and plant design plumbing that
require total shut-off capability.
Materials of Construction
Valve Body:
Forged Brass
Ball:
Chrome plated brass
Seats / Seals:
PTFE
Handle:
Steel
Specifications
Pressure
Range:
• 250
PSI
•
Saturated Steam up to
150
PSI
•
Vacuum service to
29
inches Hg.
Temperature
Ranges:
-50
°F to 350°F
Operating
Instructions
Quarter turn is “on” or “off”.
(
Provides positive stop
action for full shut-off.)
note:
Periodically check the
adjustable packing nut and
tighten as required.
Style
Type Material Size Options
V
590
P
-8
-00
Style
V-Valve
type
590-90
Male/Female
591-90
Male/Male
material P- Brass
size
4-1/4", 6-3/8", 8-1/2"
options
• 04-
Lever Handle
• 08-
UnmarkedyellowVinyl
Handle Cover
350
250
200
Pressure (PSI)
Temperature (°F)
150
100
50
0
-50
200
100
300
400
0
300
Note: 90° Ball Valve Series 590/591 has a tee handle as standard. A Lever Handle is available as
option 04.