APR. 26, 2024

04E
"CJT 3.5 MPa" Series Hydraulic Cylinders"CJT" Series Hydraulic Cylinders with Proximity Switch
Cushion Adjusting Valve Notification of change

The cushion adjusting valve has been changed for the purpose of improving the quality of the subject hydrauliccylinders.
The design numbers of the current models (including 30** special design products) will remain unchanged.
■Series Numbers
CJT35 / CJT35L■Changes(1)The structure of the cushion adjustment valve is changed as shown in the diagram below.
【Old Products】
Cushion Adjusting
Screw

Cushion PlugCushion
Adjusting
Valve Seal(Resin Seal)【New Products】
Cushion Adjusting
Screw

Cushion PlugCushion
Adjusting
Valve O-ringCushionAdjusting
Valve Seal(RubberSeal
With MetalRing)●Bore φ32 - φ125

CushionAdjustment
Valve Seal(RubberSeal
With MetalRing)

Cushion Adjusting
Screw

Cushion Plug

●Bore φ160

(2) The cushion adjustment valve seal will be changed from fluoroplastic (TF) to nitrile hydride rubber withmetal ring (CX).
The check valve seal will also be changed to nitrile hydride rubber with metal ring (CR to CX)

No.1

(3) The height of the adjusting screw of the cushion adjusting valve has changed, resulting in a change in theprotrusion length. See drawings below.
ACylinder

BBoreOldNewOldNew

φ32

783.5

4.5

φ40

783.5

4.5

φ50

7834.5

φ63101147

φ80

101147

φ100111348.5

φ125

11134

8.5

φ160

131756.5●Bore φ32 - φ125

●Bore φ160

(4) The maximum catalog value (T) of the old product is 5 mm,
whereas for the new product it is stated as 10 mm max.

■Interchangeability(1) Cushion adjustment valve: old and new products are interchangeable.
(2) Seals for cushion adjustment valves: not interchangeable as old and new products differ.
Cushion Adjustment Valve Seal

Nitrile Hydride Rubber with Metal Ring

Fluoroplastic

NewOldUsableUnusable

Unusable
UsableNo.2

■List of Seals

SeriesCJT35（WithoutSwitch）

CJT35L（WithSwitch）

Item

CylinderBore

Seal Kit
Model
Numbers⑧Cushion Valve Seal

Name

⑨O-Ring forCushion Valve
Seal⑩
Check Valve
SealNewOld

Material

Nitrile Hydride
Rubber with
Metal Ring

Fluoroplastic

Nitrile Hydride
RubberNitrile Hydride
Rubber withMetal Ring

Qty.

2224φ32

KS-CJT35-32S-30

CX-8H

TF-8―

CX-8H

φ40

KS-CJT35-40S-30

CX-8H

TF-8―

CX-8H

φ50

KS-CJT35-50S-30

CX-8H

TF-8―

CX-8H

φ63

KS-CJT35-63S-30

CX-12H

TF-12―

CX-12H

φ80

KS-CJT35-80S-30

CX-12H

TF-12―

CX-12H

φ100

KS-CJT35-100S-30

CX-14H

TF-14―

CX-14H

φ125

KS-CJT35-125S-30

CX-14H

TF-14―

CX-14H

φ160

KS-CJT35-160S-30

CR-18H

TF-18

S-7

CR-18H

φ32

KS-CJT35L-32S-30

CX-8H

TF-8―

CX-8H

φ40

KS-CJT35L-40S-30

CX-8H

TF-8―

CX-8H

φ50

KS-CJT35L-50S-30

CX-8H

TF-8―

CX-8H

φ63

KS-CJT35L-63S-30

CX-12H

TF-12―

CX-12H

φ80

KS-CJT35L-80S-30

CX-12H

TF-12―

CX-12H

φ100

KS-CJT35L-100S-30

CX-14H

TF-14―

CX-14H★The quantity indicates the quantity for one unit when cushioned on both sides.

(1) The seal kit contains cushion valve seals (⑧) for new and old products, [ φ160 kit also includes an O-ringfor the cushion valve].
When replacing the cushion valve seal, check whether the cushion adjustment valve is new or old,then select and use the correct cushion valve seal.
(2) When installing the cushion valve seal (⑧) and check valve seal (⑩), please note that they have direction.
●CX-**H Installation Direction： Yes(Cover Side)●CX-18H Installation Direction： None
(Cover Side)
Bore φ32 - φ125

Bore φ160■Timing of Release
Starting with July shipments (Including Seal Kit)

No.3