Tek-Tips is the largest IT community on the Internet today!
Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!
-
Congratulations cowski on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!
-
Parker Proportional Valve not Working at Lower Pressures
We recently installed a Eurotherm 3508 controller, a Parker PCD00A Amplifier with two Denison R4R03 and Parker VP01 Sandwich valve assemblies. It is a horizontal press that closes initially at 100 bars and ramps up from there to a maximum of 240 bars. That part of it works fine. The second...- FiestaEng
- Thread
- Replies: 4
- Forum: Fluid Power engineering
-
Need identification of shuttle or sequence valve
I am working on a hydraulic system for a press. The drawing states there are three sequencing valves in the system. They show their location and we were able to remove one from the block that we suspect may be bad. Problem is we are having trouble finding one and I am hoping some one out...- FiestaEng
- Thread
- Replies: 2
- Forum: Fluid Power engineering
-
First pass - OSR
I am trying to understand and will be cleaning up a AB ladder logic program. The first rung has; |----- NOT S:1/15 ------- OSR B3:0/0 -------------------------- ( B3:0/1) --------| B3:0/1 then turns B3:0/2 on and holds itself on with a branch around B3:0/1 Most, if not all, rungs are then...- FiestaEng
- Thread
- Replies: 2
- Forum: Programmable logic controllers (PLC)
