Union, M22x1.5 RH, 27 mm pilot, 3/4" NPT
257-050-012
- 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
M22x1.5 RHM22x1.5 RH
B
3/4"-14 NPT3/4"-14 NPT
C
73.03 mm2.875 "
D1
135 mm5.315 "
E
31 mm1.22 "
F
14 mm0.551 "
G
14.3 mm0.563 "
H
36 mm1.417 "
I
26.993 mm1.063 "
J
95 mm3.74 "
K
1/2"-14 NPT1/2"-14 NPT
P
Non-ThreadedNon-Threaded
X
3.2 mm0.126 "
Operating Specifications
Media
Steam, Water, Hot OilSteam, Water, Hot Oil
Rotor Connection
M22x1.5 RH M22x1.5 RH
Supply Connection
3/4"-14 NPT 3/4"-14 NPT
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
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
Documents & Resources
Installation Guide
Installation Guide for 54, 55, and 57 series
Interface Drawing
Interface Control drawing for 257-050-012
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions 57-series unions