Union, Duoflow, M27x1.5 RH, 28 mm pilot, G 1/2"
257-146-694699
- Monoflow and duoflow design
- Self-supported rotating union
- Radial housing connection
- Balanced mechanical seals
- Keyed rotor seal
- Easy and quick replacement of sealing components
- Ball bearings lubricated for life
- E.L.S. (Extended Life Service) seal combination for poor water quality
- 3 vent holes
- Forged brass housing and stainless steel rotor
- Special options include threaded vent holes
Dimensions
A
M27x1.5 RHM27x1.5 RH
B
G 1/2"-14G 1/2"-14
C
73.03 mm2.875 "
D1
487.4 mm19.189 "
D2
523 mm20.591 "
E
387 mm15.236 "
F
372 mm14.646 "
G
9 mm0.354 "
H
36 mm1.417 "
I
28 mm1.102 "
J
90 mm3.543 "
K
1/2"-14 NPT1/2"-14 NPT
M
26 mm1.024 "
N
48 mm1.89 "
O
G 1/2"-14 RHG 1/2"-14 RH
P
G 1/8"-28G 1/8"-28
R
155 mm6.102 "
S
22 mm0.866 "
S2
12 mm0.472 "
S3
FixedFixed
X
6 mm0.236 "
Operating Specifications
Media
Hot Oil, Steam, WaterHot Oil, Steam, Water
Rotor Connection
M27x1.5 RH M27x1.5 RH
Supply Connection
G 1/2"-14 G 1/2"-14
Hot Oil Max. Flow
52.8 l/min13.9 GPM
Hot Oil Max. Pressure
6.9 bar100 psi
Hot Oil Max. Temperature
121 °C250 °F
Steam Max. Flow
219.9 l/min58.1 GPM
Steam Max. Pressure
1 bar15 psi
Steam Max. Temperature
121 °C250 °F
Water Max. Flow
52.8 l/min13.9 GPM
Water Max. Pressure
51.7 bar750 psi
Water Max. Temperature
121 °C250 °F
Documents & Resources
Installation Guide
Installation Guide for 54, 55, and 57 series
Interface Drawing
Interface Control drawing for 257-146-694699
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions 57-series unions