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KLN series quick connector

KLN series quick connector

Product Introduction:
KLN series fast connector is used for pressure and tightness test of straight pipe, drilling and internal thread parts. It uses the principle of elastic sealing of rubber seals to seal round and rough surfaces and adapt to larger tolerances. Pneumatic drives can be applied to automated testing; the fast connector is connected by the friction between the seal and the surface of the test piece, so the seal surface of the fast connector and the sealed surface of the measured parts can not be stained. Water or other lubricants, the fast connector will not apply the axial force and lateral force to the test parts. Special double bit fast connectors can be provided as required to seal two ports with close spacing (see 1 Diagram, special type), and the KLN series fast connector of the axial length can also be provided with more practical requirements (see Figure 2 attached. Special type).
Related Products:
technical Parameter:

Technical parameters of KLN series

Working pressure: inlet B: from vacuum to up to 9 bar, other pressure ranges are available on request. When applied in a pressurized environment, the KLN series quick connector must be fixed by a fixture, only for vacuum applications. No fixture is required.

Operating pressure: inlet P: 4 to 12 bar clean compressed air.

Design: The housing, piston and washer are made of aluminum alloy.

Seal: The main seal uses an O-ring of nitrile rubber/chloroprene.

Urethane seals are available for wear-resistant applications.

Leakage rate: 10-3 mbar × l / s (10-4Pa × m3 / s)

*This is the standard minimum leak rate, we can provide lower leakage rate devices on demand, depending on the detailed specifications (test method, test temperature and test pressure) provided by the customer and the quality of the samples provided by the customer (ie sealing surface) Surface treatment conditions, roughness and dimensions allow tolerances).

Steps for usage:

1. Fix the quick connector with the fixing clamp, insert the KLN quick connector into the test piece, apply the control air source, connect the quick connector, and apply the test air source;

2. When disconnecting, always release the test pressure; release the control pressure and remove the quick connector.


Specification size (mm):

Dimensions Entrance B1 Drive port P1 Mounting port G ΦD2 ΦD1 L

1 M5 M5 M5 31.8 20.2 55.1

1 G1/8′′ G1/8′′ M6 39.9 25.9 64.7

2 G1/8′′ G1/8′′ M6 39.9 25.9 64.7

3 G1/8′′ G1/8′′ M6 60 40.6 77.5

4 G1/8′′ G1/8′′ M6 60 40.6 77.5

5 G1/2′′ G1/8′′ M6 88.6 58.7 93.5

6 G1/2′′ G1/8′′ M6 88.6 58.7 93.5

7 G3/4′′ G1/8′′ M6 106 76.2 108.2

8 G3/4′′ G1/8′′ M6 106 76.2 108.2


KLN series quick connector application

Leak test: pressure, underwater, helium test.

Other applications: filling, pressure and functional testing, and flushing.

Components: containers, plastic containers, medical components, valves, pumps, filters, pressure vessels and piping connections.

Special type of KLN series quick connector

If the standard type does not meet your requirements, we will provide you with a dedicated solution, welcome to consult.

Performance Characteristics:
Part number
Shape size Seal range A Lmin*mm KLN type KLN type Replace the seal
(mm) Part number Plugging part number Seal number
1 7.7-8.3 12.2 KLN01-0300 KLN01-0300 P 1 KLN01-0300 NBR
1 8.4-10.0 13.4 KLN01-01 KLN01-01 P 1 KLN01-01NBR
1 10.0-11.0 15 KLN1-11 KLN1-11 P 1 KLN1-11 NBR
1 11.0-12.0 15 KLN1-12 KLN1-12 P 1 KLN1-12 NBR
1 12.0-13.0 15 KLN1-13 KLN1-13 P 1 KLN1-13 NBR
1 13.0-14.0 15 KLN1-14 KLN1-14 P 1 KLN1-14 NBR
1 14.0-15.0 15 KLN1-15 KLN1-15 P 1 KLN1-15 NBR
1 15.0-16.0 15 KLN1-16 KLN1-16 P 1 KLN1-16 NBR
2 16.0-17.0 15 KLN2-21 KLN2-21 P 1 KLN2-21 NBR
2 17.0-18.0 15 KLN2-22 KLN2-22 P 1 KLN2-22 NBR
2 18.0-19.0 15 KLN2-23 KLN2-23 P 1 KLN2-23 NBR
2 19.0-20.0 15 KLN2-24 KLN2-24 P 1 KLN2-24 NBR
2 20.0-21.0 15 KLN2-25 KLN2-25 P 1 KLN2-25 NBR
2 21.0-22.0 15 KLN2-26 KLN2-26 P 1 KLN2-26 NBR
3 22.0-23.5 27.8 KLN3-31 KLN3-31 P 2 KLN3-31 NBR
3 23.5-25.0 27.8 KLN3-32 KLN3-32 P 2 KLN3-32 NBR
3 25.0-26.5 27.8 KLN3-33 KLN3-33 P 2 KLN3-33 NBR
3 26.5-28.0 27.8 KLN3-34 KLN3-34 P 2 KLN3-34 NBR
4 28.0-30.0 27.8 KLN4-41 KLN4-41P 2 KLN4-41 NBR
4 30.0-32.0 27.8 KLN4-42 KLN4-42P 2 KLN4-42 NBR
4 32.0-34.0 27.8 KLN4-43 KLN4-43P 2 KLN4-43 NBR
4 34.0-36.0 27.8 KLN4-44 KLN4-44P 2 KLN4-44 NBR
5 36.0-38.0 40.9 KLN5-51 KLN5-51 P 3 KLN5-51 NBR
5 38.0-40.0 40.9 KLN5-52 KLN5-52 P 3 KLN5-52 NBR
5 40.0-42.0 40.9 KLN5-53 KLN5-53 P 3 KLN5-53 NBR
5 42.0-44.0 40.9 KLN5-54 KLN5-54 P 3 KLN5-54 NBR
6 44.0-46.0 41.4 KLN6-61 KLN6-61P 3 KLN6-61NBR
6 46.0-48.0 41.4 KLN6-62 KLN6-62P 3 KLN6-62 NBR
6 48.0-50.0 41.4 KLN6-63 KLN6-63P 3 KLN6-63 NBR
6 50.0-52..0 41.4 KLN6-64 KLN6-64P 3 KLN6-64 NBR
6 52.0-56.0 41.4 KLN6-65 KLN6-65P 3 KLN6-65 NBR
7 56.0-59.0 41.4 KLN7-71 KLN7-71 P 3 KLN7-71 NBR
7 59.0-62.0 41.4 KLN7-72 KLN7-72 P 3 KLN7-72 NBR
7 62.0-65.0 41.4 KLN7-73 KLN7-73 P 3 KLN7-73 NBR
8 65.0-69.0 41.4 KLN8-81 KLN8-81 P 3 KLN8-81 NBR
8 69.0-72.0 41.4 KLN8-82 KLN8-82 P 3 KLN8-82 NBR
8 72.0-75.0 41.4 KLN8-83 KLN8-83 P 3 KLN8-83 NBR
8 75.0-78.0 41.4 KLN8-84 KLN8-84 P 3 KLN8-84 NBR
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