Ball-Float Traps for Draining Condensate from
Compressed-Air and Other Gas Lines UNA
Features
L
UNA 14 Pv
• Body convertible for horizontal / vertical
• Liquid drainer for compressed air and gases
flow and left to right / right to left.
with ball float and rolling ball valve
• The trap is suitable for draining gas and
compressed air systems
• Purging device and connection for air-balance
pipe included as standard
• Internals made from corrosion-resistant stainless steels
• Closing unit for temperatures up to 40 °C
with rolling ball made from Perbunan, up to
120 °C with rolling ball made from stainless steel
Specification
Type
PN / Class
∆ PMX
Material
EN
ASTM
UNA 14Ph, UNA 14Pv with S.S. valve ball
PN 25
[bar]
16
5.3103
–
PMA
[bar]
25.0
UNA 14Ph, UNA 14Pv with Perbunan valve ball
PN 25
16
5.3103
–
25.0
Pressure /Temperature1)
TMA
p/T
[°C]
[bar/°C]
120
25.0 / 20
25.0 / 120
40
25.0 / 20
25.0 / 40
1)
Limits for body/cover. Functional requirements may restrict the use to below the limits quoted.
For full details on limiting conditions depending on end connection and type of regulator see data sheet.
Available End Connections and Overall Length
Overall length L in mm
TypeConnection
DN 15
DN 20
DN 25
1
3/4"
/2"
1"
Screwed sockets3) 95 95 95
Una 14 Ph
Flanged EN PN 25
150
150
160
95 95 95
Una 14 Pv
Screwed sockets3)
Flanged EN PN 25 150
150
160
3) Screwed sockets BSP to EN ISO 228-1 or screwed sockets NPT
Capacity Chart
UNA 14P
Hints on Installation
The condensate/distillate must be free to fall towards
the trap. Isolating valves in horizontal lines lead to the
formation of water pockets. In this case an air-balance pipe
is required (see drawing).
Product line
Collecting
pocket
Balance
pipe
Liquid drainer for horizontal
installation
With or without valve;
valve spindle horizontal