H400, 400 sERIES0 pages
400 Series 0 to 3000 psig Shuttle Valves
H400 Series 0 to 6000 psig Shuttle Valves
Features & Benefits
Quick, positive operation
• Minimum interflow
• No breakaway friction
Double poppet
• The shuttle actuates immediately on overriding pressure
Positive sealing
• Zero leak
Technical Data
Body Construction Materials
O-ring Materials
Operating Pressure
Rated Burst Pressure
Temperature Range
Connection Sizes
Note: Proper filtration is recommended to prevent damage to sealing surfaces.
How it Works
One Inlet to Common Outlet
The flow passes easily through the shuttle
ports to the common outlet. The o-ring is
completely contained by the inner sleeve.
Shuttling
The shuttle actuates immediately on
overriding pressure from the alternate inlet
with no breakaway friction and minimum
interflow.
Circle Seal Controls
2301 Wardlow Circle • Corona, CA 92880
Phone (951) 270-6200 Fax (951) 270-6201
www.circlesealcontrols.com
Alternate Inlet to Common Outlet
The flow passes from the alternate port
to the common outlet. The floating o-ring
seals block the port and prevent leakage
with pressure differential of less than 1 psig
to 3000 psig.
check valves
Proof Pressure
Aluminum, brass or 303 stainless steel
Buna N, neoprene and Viton®
• 400 Series: 0 to 3000 psig (207 bar)
• H400 Series: 0 to 6000 psig (414 bar)
• 400 Series: 4500 psig (310 bar)
• H400 Series: 9000 psig (621 bar)
• 400 Series: 7500 psig (517 bar) minimum
• H400 Series: over 15000 psig (1,034 bar)
−320° F to +400° F (−196° C to +204° C)
Based on o-ring & body material, see “How to Order”
1⁄8˝ to ½˝