Union, DeuPlex, 81 mm flange/pilot, 1/2" NPT
1579-041
- "Deuplex" duoflow design for hydraulic oil
- Self-supported rotating union
- Flanged rotor
- Balanced mechanical seals
- Seal combinations: Carbon Graphite/Ceramic standard, Tungsten Carbide/Ceramic for extended life service (E.L.S.)
- Full-media flow
- Aluminum housing and cast iron rotor
- Oiler for relubrication (3 to 5 drops/month)
Dimensions

A
81 mm3.189 "
B
1/2"-14 NPT1/2"-14 NPT
C
84 mm3.307 "
D1
143 mm5.63 "
E
29 mm1.142 "
G
12.83 mm0.505 "
I
81 mm3.189 "
J
114 mm4.488 "
K
1/2"-14 NPT1/2"-14 NPT
P
Non-ThreadedNon-Threaded
X
9.5 mm0.374 "
Operating Specifications


Media
Hydraulic OilHydraulic Oil
Rotor Connection
81 mm3.189 "
Supply Connection
1/2"-14 NPT 1/2"-14 NPT
Hydraulic Oil Max. Pressure
69 bar1000 psi
Hydraulic Oil Max. Temperature
121 °C250 °F
Documents & Resources
Installation Guide
Installation Guide for Multi-Channel unions with mechanical seals
Interface Drawing
Interface Control drawing for 1579-041
Operating Manual
Operating Manual for 2620, 1500, 1579 and 1590 series
Service Guide
Service Guide for unions beginning with 1579.pdf