Male NPT Rotary Unions

33 Results
Series RU001 90 Degree Swivel Union -- 10050-0101-000
from Rotary Systems, Inc.

From our economical swivels to our more robust bearing supported rotary unions, available in 90 degree or inline, Rotary Systems' line of single passage rotary unions is flexible enough for any application. Rotary Systems' entry level 001-Series swivel union is designed for the hose reel industry,... [See More]

  • Connection: Male NPT
  • Temperature: 300
  • Pressure: 250 to 7000
  • Number of Ports: 2
Custom Rotary Unions
from KADANT

The RX rotary union uses a balanced seal with special ball bearing or optional tapered roller bearings to support the rotor. This rotary union from Kadant Johnson incorporates the latest technology in mechanical seal design for water and hot oil service. The high thrust load capability and... [See More]

  • Connection: Male NPT; Female NPT
  • Speed: 750
  • Pressure: 150
  • Temperature: 500
Single Passage ¼” NPT Rotating Union -- 1102-070-104
from Deublin Co.

Mono flow design. Self-supported rotating union. Radial housing connection. Balanced mechanical seal. Felt oiler in seal cavity for air service. Oiler for relubrication (3 - 5 drops/month). Low torque. Weight-optimized design. Aluminum housing. Bearings lubricated for life. Seal combinations:... [See More]

  • Connection: Male NPT; Female BSP
  • Media / Application: Air / Pneumatic
  • Number of Ports: 1
  • Port Size: 1/4"; G1/4"
Series RU002 90 Degree Swivel Union with Bearings -- 10050-0201-000
from Rotary Systems, Inc.

From our economical swivels to our more robust bearing supported rotary unions, available in 90 degree or inline, Rotary Systems' line of single passage rotary unions is flexible enough for any application. Rotary Systems' 002 series 90° swivel union is designed for the car wash industry. This... [See More]

  • Connection: Male NPT
  • Temperature: 300
  • Pressure: 250 to 7000
  • Number of Ports: 2
G™ Rotary Unions
from KADANT

The G rotary union is a high performance, high precision union for coolant, air, and hydraulic oil applications. G rotary unions are generally applied to the machine tool industry for: Transfer lines. Gun drills. Spindles. Drilling. Milling. Rotary index tables. The G rotary union line is built to... [See More]

  • Connection: Male NPT
  • Speed: 100 to 42000
  • Pressure: 3610
  • Temperature: 250
Single Passage ¼” NPT Rotating Union -- 17-025-012
from Deublin Co.

design. Self-supported rotating union. Steel rotor nickel-plated. Special bearing. Aluminum housing [See More]

  • Connection: Male NPT; Female NPT
  • Media / Application: Air / Pneumatic; Hydraulic Fluid; Vacuum
  • Number of Ports: 1
  • Port Size: 1/4"; 5/8"-18
Series RU003 90 Degree Swivel Union with Bearings -- 10050-0301-000
from Rotary Systems, Inc.

From our economical swivels to our more robust bearing supported rotary unions, available in 90 degree or inline, Rotary Systems' line of single passage rotary unions is flexible enough for any application. Rotary Systems' 003 series 90 degree swivel union is designed for heavy use. This economical... [See More]

  • Connection: Male NPT
  • Temperature: 300
  • Pressure: 250 to 7000
  • Number of Ports: 2
Single Passage 1 1/2" NPT Rotating Union -- 555-000-001
from Deublin Co.

Self-supported rotating union. Radial housing connection. Balanced mechanical seal. 3 vent holes. Forged brass housing. Stainless steel rotor. Special options: threaded vent holes, low torque design. Seal Combinations: Standard: Carbon Graphite/Bronze for water. Optional: Carbon Graphite/Ceramic for... [See More]

  • Connection: Male NPT; Female NPT
  • Media / Application: Steam; Water; Oil; Chemical; Hot Oil, Steam, Water, Water Glycol
  • Number of Ports: 1
  • Port Size: 1½"
Series RU004 90 Degree Swivel Union for High Pressures -- 10051-0401-000
from Rotary Systems, Inc.

From our economical swivels to our more robust bearing supported rotary unions, available in 90 degree or inline, Rotary Systems' line of single passage rotary unions is flexible enough for any application. Rotary Systems' 004 series 90 degree rotary union-swivel is designed for super-heavy-duty... [See More]

  • Connection: Male NPT
  • Temperature: 350
  • Pressure: 250 to 15000
  • Number of Ports: 2
Single Passage 1 1/2" NPT Rotating Union -- 557-000-001
from Deublin Co.

design. Self-supported rotating union. Radial housing connection. Balanced mechanical seal. Keyed rotor seal. Easy and quick replacement of sealing components (rotor seal, floating seal). Ball bearings lubricated for life. For poor water quality (E.L.S.). 3 vent holes. Forged brass housing. [See More]

  • Connection: Male NPT; Female NPT
  • Media / Application: Water; Chemical; Water, Water Glycol
  • Number of Ports: 1
  • Port Size: 1½"
Series RU005 Entry Level In-Line Swivel Union -- 10051-0501-000
from Rotary Systems, Inc.

From our economical swivels to our more robust bearing supported rotary unions, available in 90 degree or inline, Rotary Systems' line of single passage rotary unions is flexible enough for any application. Rotary Systems' entry-level inline rotary union-swivel is designed for light use. This... [See More]

  • Connection: Male NPT
  • Temperature: 300
  • Pressure: 250 to 1500
  • Number of Ports: 2
Single Passage 1" NPT Rotating Union -- 355-021-002
from Deublin Co.

design. Self-supported rotating union. Radial housing connection. Balanced mechanical seal. Felt oiler in seal cavity for air service. Oiler for relubrication (3 - 5 drops/month). Low torque. Aluminum housing. Stainless steel or steel rotor (respective of model). Seal combinations: Standard Seal:... [See More]

  • Connection: Male NPT; Female NPT
  • Media / Application: Air / Pneumatic; Hydraulic Fluid; Vacuum
  • Number of Ports: 1
  • Port Size: 1"
Series RU006 Inline Swivel Union with Bearings -- 10050-0601-000
from Rotary Systems, Inc.

From our economical swivels to our more robust bearing supported rotary unions, available in 90 degree or inline, Rotary Systems' line of single passage rotary unions is flexible enough for any application. Rotary Systems' inline rotary union-swivel is designed for multipurpose use. This economical... [See More]

  • Connection: Male NPT
  • Temperature: 300
  • Pressure: 250 to 3000
  • Number of Ports: 2
Single Passage 1/4” NPT Pop-Off Rotating Union -- 1109-013-196
from Deublin Co.

Single passage for coolant or MQL. Patented "pop-off" technology allows unlimited dry running without media pressure. 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... [See More]

  • Connection: Male NPT; Female NPT
  • Media / Application: Chemical; Coolant, MQL
  • Number of Ports: 1
  • Port Size: 1/4"; 5/8
Series RU007 Inline Swivel Union with Bearings -- 10050-0701-000
from Rotary Systems, Inc.

From our economical swivels to our more robust bearing supported rotary unions, available in 90 degree or inline, Rotary Systems' line of single passage rotary unions is flexible enough for any application. Rotary Systems' inline rotary union-swivel is designed for heavy-duty use. This swivel uses a... [See More]

  • Connection: Male NPT
  • Temperature: 300
  • Pressure: 250 to 3000
  • Number of Ports: 2
Single Passage 1/4” NPT Rotating Union -- 1116-048-064
from Deublin Co.

Single passage for coolant or MQL. Closed seals for transfer line and similar applications. Full-flow design has no obstructions to trap chips or debris. Bearing-supported with threaded rotor for easy installation. Deep groove radial ball bearings for smooth operation. Labyrinth system and large... [See More]

  • Connection: Male NPT; Female NPT
  • Media / Application: Chemical; Coolant, MQL
  • Number of Ports: 1
  • Port Size: 1/4"; 5/8" - 18
Series RU008 High Speed Air/Hydraulic Rotary Union -- 10050-0801-001
from Rotary Systems, Inc.

High-speed and high-pressure are no longer mutually exclusive. Rotary Systems' mechanical seal rotary unions for coolant, air/hydraulic and general purpose service incorporate the latest seal materials and optimized balance ratios for your application. Available in 90 degree or inline with a variety... [See More]

  • Connection: Male NPT
  • Temperature: 250
  • Pressure: 250 to 1000
  • Number of Ports: 2
Single Passage 2" NPT Rotating Union -- 6200-001-137
from Deublin Co.

design. Self-supported rotating union. Radial housing connection. Balanced mechanical seal. Steel-banded floating seal. Easy and quick replacement of sealing components. Full-media flow. Vent slots. Cast iron housing. Steel rotor flanged/threaded. Seal combinations: Standard: Carbon... [See More]

  • Connection: Male NPT; Female NPT
  • Media / Application: Water; Chemical; Water, Water Glycol
  • Number of Ports: 1
  • Port Size: 2"
Series RU009 Coaxial Duo Flow Rotary Union -- 10053-0902-000
from Rotary Systems, Inc.

Our multiple-passage rotary unions are a convenient solution when you need to pass more than one type of media to and from rotating equipment. Cross talk between passages is virtually eliminated with our proprietary, carbon-fiber Teflon® seal technology, which provides worry-free service. Available... [See More]

  • Connection: Male NPT
  • Temperature: 300
  • Pressure: 250 to 3000
  • Number of Ports: 2
Single Passage 3" NPT Rotating Union -- 857-000-101
from Deublin Co.

design. Self-supported rotating union. Radial housing connection. Balanced mechanical seal. Full-media flow. Easy and quick replacement of sealing components (rotor seal, floating seal). Vented housing. Cast iron housing - standard. Steel rotor. Seal combination: Carbon Graphite/Tungsten Carbide [See More]

  • Connection: Male NPT; Female NPT
  • Media / Application: Steam; Water; Chemical; Steam, Water, Water Glycol
  • Number of Ports: 1
  • Port Size: 3"
Series RU010 Coil Processing Rotary Union -- 10051-1002-009
from Rotary Systems, Inc.

Our multiple-passage rotary unions are a convenient solution when you need to pass more than one type of media to and from rotating equipment. Cross talk between passages is virtually eliminated with our proprietary, carbon-fiber Teflon® seal technology, which provides worry-free service. Available... [See More]

  • Connection: Male NPT
  • Temperature: 300
  • Pressure: 250 to 7000
  • Number of Ports: 2
Single Passage 3/8” NPT Pop-Off Rotating Union -- 902-110-165
from Deublin Co.

Single passage for coolant or MQL. Patented "pop-off" technology allows unlimited dry running without media pressure. 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... [See More]

  • Connection: Male NPT; Female NPT
  • Media / Application: Chemical; Coolant, MQL
  • Number of Ports: 1
  • Port Size: 3/8"; 5/8"-18
Series RU030 High Speed Coolant Union -- 10051-3001-033
from Rotary Systems, Inc.

High-speed and high-pressure are no longer mutually exclusive. Rotary Systems' mechanical seal rotary unions for coolant, air/hydraulic and general purpose service incorporate the latest seal materials and optimized balance ratios for your application. Available in 90 degree or inline with a variety... [See More]

  • Connection: Male NPT
  • Temperature: 250
  • Pressure: 250 to 1000
  • Number of Ports: 2
Single Passage 3/8” NPT Rotating Union -- 1101-235-238
from Deublin Co.

Single passage for coolant or MQL. Closed seals for transfer line and similar applications. Full-flow design has no obstructions to trap chips or debris. Bearing-supported with threaded rotor for easy installation. Deep groove radial ball bearings for smooth operation. Labyrinth system and large... [See More]

  • Connection: Male NPT; Female NPT
  • Media / Application: Chemical; Coolant, MQL
  • Number of Ports: 1
  • Port Size: 3/8"; 5/8
Series RU031 General Purpose Seal Rotary Union -- 10052-3101-005
from Rotary Systems, Inc.

High-speed and high-pressure are no longer mutually exclusive. Rotary Systems' mechanical seal rotary unions for coolant, air/hydraulic and general purpose service incorporate the latest seal materials and optimized balance ratios for your application. Available in 90 degree or inline with a variety... [See More]

  • Connection: Male NPT
  • Temperature: 300
  • Pressure: 250 to 750
  • Number of Ports: 2
Single Passage 3/8” NPT Rotating Union -- 1117-002-110
from Deublin Co.

Single passage for coolant or MQL. Closed seals for transfer line and similar applications. Full-flow design has no obstructions to trap chips or debris. Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions. Compact size can be adapted for... [See More]

  • Connection: Male NPT; Female NPT
  • Media / Application: Chemical; Coolant, MQL
  • Number of Ports: 1
  • Port Size: 3/8"; 5/8" - 18
Single Passage 3/8” PT Pop-Off Rotating Union -- 1129-036-301
from Deublin Co.

Single passage for coolant or MQL. Patented "pop-off" technology allows unlimited dry running without media pressure. Pop-off stroke of 0.7-3.0 mm compensates for thermal expansion of spindle during extended operation as well as variations in drawbar position. Full-flow design has no obstructions to... [See More]

  • Connection: Male NPT; Female NPT
  • Media / Application: Chemical; Coolant, MQL
  • Number of Ports: 1
  • Port Size: 3/8"; M16 x 1.5
Two Passage 1 1/2" NPT Rotating Union -- 6250-002-115
from Deublin Co.

Duo flow design. Self-supported rotating union. Radial housing connection. Balanced mechanical seal. Steel-banded floating seal. Easy and quick replacement of sealing components. Full-media flow. Vent slots. Cast iron housing. Steel rotor flanged/threaded. Seal combinations: Standard: Carbon... [See More]

  • Connection: Male NPT; Female NPT
  • Media / Application: Water; Chemical; Water, Water Glycol
  • Number of Ports: 2
  • Port Size: 1½"; 2½"
Two Passage 1/4" 1/2" NPT Rotating Union -- 2117-001-103
from Deublin Co.

Duo flow (Tandem) design. Self-supported rotating union. No leakage on the duo flow design. Steel rotor nickel-plated. Special bearing. Aluminum housing [See More]

  • Connection: Male NPT; Female NPT
  • Media / Application: Air / Pneumatic; Hydraulic Fluid; Vacuum
  • Number of Ports: 2
  • Port Size: 1/4"; 1/2"; 1"; 1"-14
Two Passage 1/4" NPT Rotating Union -- 1690-000-102
from Deublin Co.

Duo flow design. Self-supported rotating union. Composite bearing. Vent holes between passages. Special seals. Hardened sealing surface. Aluminum housing. Steel rotor. Optional: Tandem model as triple-passage design [See More]

  • Connection: Male NPT; Female NPT
  • Media / Application: Air / Pneumatic; Hydraulic Fluid; Vacuum
  • Number of Ports: 2
  • Port Size: 1/4"; 1"
Union, Low-Speed Tandem, 1-1/2" NPT RH, 3/4" NPT -- 1890-520
from Deublin Co.

Duoflow design for low-speed air, hydraulic, and brake fluid applications. Self-supported rotating union. Composite bearing. Vent holes between passages. Special seals. Hardened sealing surface. Aluminum housing and steel rotor. Triple-passage tandem model available [See More]

  • Connection: Male NPT
  • Temperature: 250
  • Pressure: 3002
  • Media / Application: Air / Pneumatic; Hydraulic Fluid; Oil
Union, Low-Speed, 1-1/2" NPT RH, 3/4" NPT -- 1890-500
from Deublin Co.

Duoflow design for low-speed air, hydraulic, and brake fluid applications. Self-supported rotating union. Composite bearing. Vent holes between passages. Special seals. Hardened sealing surface. Aluminum housing and steel rotor. Triple-passage tandem model available [See More]

  • Connection: Male NPT
  • Temperature: 250
  • Pressure: 3002
  • Media / Application: Air / Pneumatic; Hydraulic Fluid; Oil
Union, Low-Speed, G 1-1/2" RH, 3/4" NPT -- 1890-570
from Deublin Co.

Duoflow design for low-speed air, hydraulic, and brake fluid applications. Self-supported rotating union. Composite bearing. Vent holes between passages. Special seals. Hardened sealing surface. Aluminum housing and steel rotor. Triple-passage tandem model available [See More]

  • Connection: Male NPT
  • Temperature: 250
  • Pressure: 3002
  • Media / Application: Air / Pneumatic; Hydraulic Fluid; Oil