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UNION,M16X1.5 LH(18MM)PT L-HEX Enlarge View
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Item #: 1114-021-188
Rotor: M16 x 1.5 Metric LH

  • Single passage for coolant or MQL
  • Patented "AutoSense" technology allows use with water, MQL and Pressurized Air
  • Full-flow design has no obstructions to trap chips or debris
  • Bearing-supported with threaded rotor for easy installation
  • Dual ABEC 7 (ISO class P4) angular contact ball bearings (1109)
  • Deep groove radial ball bearings (902)
  • Labyrinth system and large vents to protect ball bearings
  • Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
  • Anodized aluminum housing resists corrosion
  • Stainless steel rotor
  • Reference "Pressure vs. Speed Graph"
  • Reference "Coolant Unions Spindle Tolerances"

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Fields marked with   are required

Hose Connection   BSP
Housing Connection   Axial
Housing Hose Thread Size B   G3/8"
Media   Coolant, MQL
Passages   One Passage
Rotor Description   M16 x 1.5 Metric LH
Rotor Thread Direction   LH
Rotor Thread Size A   M16 x 1.5
Rotor Type   Threaded
Seal Combination   Standard Seals
Union Size   G3/8"



A Rotor Thread   M16 x 1.5
B Port   G 3/8"
C   2.09 IN
D   5.08 IN
E   1.22 IN
F   0.43 IN
G   0.35 IN
H   0.94 IN
I Max   0.7084 IN
I Min   0.7082 IN
M   0.2 IN
P Thread   G 1/4" IN



Coolant Pressure   1450.38 PSI
Coolant Temp   160 F
Max Speed   20000 RPM
Maximum Flow   21.6 GPM
MQL Pressure   150 PSI
MQL Temp   160 F
Pressure vs. Speed Graph   Standard



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Welcome to Deublin.com!

Since 1945, Deublin has grown from a small garage shop to the world’s largest manufacturer of rotary unions (rotating unions). Our worldwide distribution network allows OEM’s all over the world to specify Deublin rotary unions when purchasing equipment made in another country. Wherever you’re located, Deublin has a stocking distributor nearby to meet your fluid handling requirements—quickly. Rotary unions must accommodate a broad range of materials, viscosities, temperatures, pressures and speeds. That’s why the Deublin rotary union product line offers over 500 standard rotary unions, over 3,000 separate models, and more than 6,000 individual components to handle them.

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