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LN™ Rotary Joints

The LN rotary joint is designed for steam service and is commonly applied to paper dryers, synthetic fiber rolls, food processing dryers, and other installations where external framework is available for support. Using two external rods for support, the LN is available in either single- or dual-flow applications with a rotating syphon pipe. Sizes range from 1/2” to 8” and the steam joint is rated up to 650° F (343° C), 510 psig (35 bar), and 200 RPM.

Features

  • Designed for steam service
  • Renewable wear plate
  • External rod-supported

Benefits

  • Application specific
  • Lower maintenance and repair cost
  • Easy installation

Type: L-NAR Specifications

FluidUsual PressureMax. PressureMax. TemperatureMax. Speed
Steam/Water2.0MPa3.5MPa288°C550rpm

Type: L-NARQ型

Unit:mm
TypeSize(K)MPSCDFGHJNOSupport
rod
size
Reg.Min.MaX.
2550L-NARQ2"1 1/2"1" - 1 1/4"1/2" - 1"172134701322502991971972222019
2550L4-NARQ2"1 1/2"1" - 1 1/4"1/2" - 1"172134701322502991971973362019
2550L6-NARQ2"1 1/2"1" - 1 1/4"1/2" - 1"172134701322502991971973942019
2600L-NARQ2 1/2"2"1" - 1 1/4"1/2" - 1 1/4"184150741402703242102102412019
2600L4-NARQ2 1/2"2"1" - 1 1/4"1/2" - 1 1/4"184150741402703242102103492019
2600L8-NARQ2 1/2"2"1" - 1 1/4"1/2" - 1 1/4"184150741402703242102104862019
2600L11-NARQ2 1/2"2"1" - 1 1/4"1/2" - 1 1/4"184150741402703242102105302019
2700L-NARQ3"2 1/2"1" - 1 1/2"3/4" - 1 1/2"200179901583053742412352602625
2700L4-NARQ3"2 1/2"1" - 1 1/2"3/4" - 1 1/2"200179901583053742412353752625
2700L6-NARQ3"2 1/2"1" - 1 1/2"3/4" - 1 1/2"200179901583053742412354892625
2750L-NARQ3 1/2"3"1 1/4" - 2"3/4" - 1 1/2"235206951713404202802803333432
2750L4-NARQ3 1/2"3"1 1/4" - 2"3/4" - 1 1/2"235206951713404202802804953432
2800L-NARQ4"4"1 1/2" - 2"1" - 2"2602601461894154943082833563432
950L7-NARQ5"2" - 5"2" - 3"1 1/4" - 3"3302971602214705864574574575450
*Dimensions are subject to change without any advanced notice.

Type:L-NAFRQ

Unit:mm
TypeSize(K)MPSBCDEFGHJLRTUNOSupport
rod
size
Reg.Min.MaX.
2600L-NAFRQ2 1/2"2"1 1/4"1/2" -
1 1/4"
1331847613374160270378684091352102102412019
2600L4-NAFRQ2 1/2"2"1 1/4"1/2" -
1 1/4"
1331847613374160270378684079412102103492019
2700L-NAFRQ3"2 1/2"1 1/4" -
1 1/2"
3/4" -
1 1/2"
1522008915290186305432
434
68
70
2997442412352602625
2700L4-NAFRQ3"2 1/2"1 1/4" -
1 1/2"
3/4" -
1 1/2"
1522008915290186305432
434
68
70
2997442412353752625
2700L8-NAFRQ3"2 1/2"1 1/4" -
1 1/2"
3/4" -
1 1/2"
1522008915290186305432
434
68
70
2997442412354892625
2750L-NAFRQ3 1/2"3"1 1/4" -
1 1/2"
3/4" -
1 1/2"
18023511118095198340472
474
68
70
36125462802803333432
2750L7-NAFRQ3 1/2"3"1 1/4" -
1 1/2"
3/4" -
1 1/2"
18023511118095198340472
474
68
70
36125462802804953432
2800L-NAFRQ4"4"1 1/2" -
2"
1" - 2"190260114190146230415560
568
70
78
57148443082833563432
*Dimensions are subject to change without any advanced notice.
The Nippon Joint, Ltd.
55 Kitaura, Ichida, Kumiyama-cho, Kuse-gun, Kyoto Phone+81-774-23-3211 Fax+81-774-24-0655