diff --git a/tcl/drivers/ccu4.tcl b/tcl/drivers/ccu4.tcl
index 7b86657..79fe429 100644
--- a/tcl/drivers/ccu4.tcl
+++ b/tcl/drivers/ccu4.tcl
@@ -382,12 +382,19 @@ proc stdConfig::ccu4 {{title CCU4} args} {
         node ax upd
         node axs upd
         node axd upd -int
-      } elseif {$a eq "valve"} {
+      } elseif {[string match valve* $a]} {
+        set nvalve [string range $a 5 end]
         for {set ch 1} {$ch <= 12} {incr ch} {
           node v$ch upd
           prop enum valve_off,valve_on,no_valve,timeout,timeout1,boost
+          if {$ch > $nvalve} {
+            prop visible false
+          }
           node vc$ch out -int
           prop enum valve_off,valve_on
+          if {$ch > $nvalve} {
+            prop visible false
+          }
         }
       } elseif {$a ne "multiHe"} {
         error "ERROR: unknown argument '$a' to ccu4"
diff --git a/tcl/hfflow.config b/tcl/hfflow.config
index e291d7a..298ef4e 100644
--- a/tcl/hfflow.config
+++ b/tcl/hfflow.config
@@ -5,12 +5,12 @@ device stick_menu "flow flow_1"
 defineTemperature tt
 
 makenv tt -driver 336_lsc -port pstc003:7777 {
-  lsc_sensor tm A -sensor x85571 -sensorname evap
-  lsc_sensor tsep B -sensor x86021 -sensorname sep
-#  lsc_sensor tcon C -sensor x86028 -sensorname conus
-  lsc_sensor ts C -sensorname sample
-  lsc_sensor tshd D -sensor pt-1000 -sensorname shield
-  lsc_loop set -loop 1 -channel A -maxheater 50W -resist 50Ohm
+  lsc_sensor tm D -sensor x85571 -sensorname evap
+  lsc_sensor tsep C -sensor x86021 -sensorname sep
+  lsc_sensor tcon B -sensor x86028 -sensorname conus
+#  lsc_sensor ts A -sensorname sample
+  lsc_sensor tshd A -sensor pt-1000 -sensorname shield
+  lsc_loop set -loop 1 -channel D -maxheater 25W -resist 50Ohm
   lsc_loop setcon -loop 2 -channel C -maxheater 35W -resist 35Ohm
 }
 tt set/limit 310
@@ -41,7 +41,11 @@ makeobject magnet array
 magnet makeitem field
 #makeNv
 
+makenv v -driver ccu4 -port halflow-ts:3003 valves valve6 aux
+v fav 1
 
+GraphAdd v.f mbar pump_pressure
+GraphAdd v.ax mbar sample_pressure
 
 #makenv hvac -driver pfeiffertpg -port ldmlab1-ts:3013