Choose the JCK family first
A similar body does not guarantee the same function. Confirm the function and interface first, then compare size and installed dimensions.
JCK
Horizontal clamp-arm position
JCKV
Vertical clamp-arm position
JCK is a high-force welding clamp cylinder with a curved-toggle clamp mechanism. Confirm clamp-arm position, bore, opening angle, arm type, sensor, port thread and mounting interface...

Ordering code matching
Code format
JCK / JCKV [bore] [cylinder size / opening angle] [AM arm] [sensor] [PT/G]Published JCK code layoutJCK 40 63 × 135 AM1R KJCKV 50 63 × 120 AM2 KAJCK 80 AM4 G| ①Arm position | ②Bore (mm) | ③Cylinder / opening angle | ④Clamp arm | ⑤Sensor | ⑥Port thread |
|---|---|---|---|---|---|
| JCK: horizontal; JCKV: vertical. | 40, 50, 63, 80 | Confirm the published cylinder-size and maximum-opening-angle combination. | AM1/AM2/AM3/AM4 with R/C/L arrangement as published. | Blank none; K PNP; KN NPN; KA pneumatic. | Blank PT; G G thread. |
A similar body does not guarantee the same function. Confirm the function and interface first, then compare size and installed dimensions.
JCK
Horizontal clamp-arm position
JCKV
Vertical clamp-arm position
If the label is incomplete, send the readable parts together with a photo.
JCK 40 63 × 135 AM1R K GJCK / JCKVSeries / arm position
JCK: horizontal arm position; JCKV: vertical arm position.
40Bore
Published bores: 40, 50, 63, 80 mm.
63 × 135Cylinder size / opening angle
Confirm the cylinder size and permitted opening angle from the source table.
AM1RClamp arm
AM1/AM3 and AM2/AM4 use different arm widths and hole patterns; R/C/L identify the published arm arrangement.
KSensor
Blank: no sensor; K: PNP; KN: NPN; KA: pneumatic sensor.
GPort thread
Blank: PT; G: G thread.
JCK is a welding-clamp assembly, not a plain cylinder. Its curved-toggle mechanism is intended to maintain clamp force near the closed position. Match the arm position and geometry, opening angle, fixture interface and sensor arrangement together with the cylinder size.
Product matching reference

No. Horizontal or vertical arm position, clamp-arm type and hole pattern, opening angle, sensor arrangement and fixture mounting are material to the...
JCK
JCK Add other models, quantities, photos, drawings, or a BOM. One request can cover several product groups.