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Cushion-Function Speed Controller (BJSU4)
A speed controller with a cushion function that features a built-in shock absorbing capability, with no shock absorber required.
[Features]
・ A speed controller / throttle valve that can increase the cycle time if it has the same cushioning properties as before.
・ Adjustable cushion stroke.
・ It is possible to apply the cushion at a position where the shock absorber does not reach (intermediate stop of the cylinder).
・ It allows the same control as cylinders with shock absorbers. ()
・ It achieves two-step adjustment of exhaust flow rate. By using the second stage for cushioning, control similar to that of a shock absorber is possible.
・ Three times more durable than a shock absorber. It needs less maintenance and helps reduce costs.
[Applications]
・ Equipment for automatic doors and semiconductor manufacturing processes.
Japanese Only
Part Number
Configured Part Number is shown.
BJSU4
Specifications Of 2-Stage Speed Controller
Appearance of 2-Stage Speed Controller
Dimensional drawing
| Usable Fluids | Air |
|---|---|
| Operating Pressure Range | 0.2 to 1.0 MPa |
| Operating Temperature Range | 0 to 60℃ (no freezing) |
Structural Drawing
Speed needle (brass with electroless nickel plating), timer needle (special stainless steel)
lock nut (aluminum)*2, inner ring (brass with electroless nickel plating)
resin body (PBT), diaphragm (HNBR), release ring (POM)
guide ring (brass with electroless nickel plating), lock claw (stainless steel)
elastic sleeve (NBR), valve retainer (aluminum)
valve element (HNBR), knob (brass with electroless nickel plating)
cushion needle (brass with electroless nickel plating), needle guide (brass with electroless nickel plating)
silencer (PVF), main spool guide (aluminum)
main valve spool (aluminum), main spool O-ring (HNBR), fixed O-ring (NBR)
stopper (stainless steel), spring (stainless steel), spool seal packing (HNBR)*1
- * 1. The spool seal packing for BJSU6 and BJSU8 is NBR.
- * 2. The lock nuts are color coded according to the function of the needle.
| Needle | Timer Needle (TIM) | Speed Needle (EX1) | Cushion Needle (EX2) |
|---|---|---|---|
| Lock Nut Color | Pink | Silver | Blue |
Formats
Units: mm
| Format | Tube Outer Diameter øD | B1 | B2 | B3 | Tube End C | øP1 | øP2 | øP3 | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Max. | Min. | Max. | Min. | |||||||
| BJSU4 | 4 | 51.1 | 38.4 | 34.7 | 37.1 | 34.4 | 14.9 | 10 | 10 | 10 |
| BJSU6 | 6 | 58.5 | 47 | 41.9 | 44.7 | 40.8 | 17 | 12.5 | 12.5 | 12.5 |
| BJSU8 | 8 | 65.5 | 53.8 | 48.7 | 52 | 49 | 18.1 | 14.5 | 12.5 | 14.5 |
| Format | T | F1 | F2 | F3 | Effective Cross-Sectional Area (mm2) | Mass (g) | ||
|---|---|---|---|---|---|---|---|---|
| IN > OUT | OUT > EX1 | OUT > EX2 | ||||||
| BJSU4 | 10.4 | 32 | 9.2 | 18.9 | 2.6 | 1.0 | 1.0 | 21 |
| BJSU6 | 13 | 38 | 9.5 | 22.7 | 4.5 | 2.0 | 2.0 | 33 |
| BJSU8 | 15 | 43 | 11.1 | 29.5 | 5.0 | 2.6 | 2.6 | 52 |
| Part Number |
|---|
| BJSU4 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Nominal Diameter of Tube D | Flow rate type | Trusco Code |
|---|---|---|---|---|---|---|---|---|
SGD 49.94 | 1 Piece(s) | Same day | 10 | 4 | Standard Type | 496-4748 |
Loading...
Basic Information
| Type | Speed Controller | Shape | Union Straight | Control Direction | Meter-Out |
|---|---|---|---|---|---|
| Joint Type | One-touch coupling one both sides | Material | PBT | Environment, Applications | Standard |
| Thread Material | Brass | Knob Type | Standard | Lock Nut Type | Knurling |
| Operating Temp. Range(°C) | 0::60 | Operating Pressure Range(MPa) | 0.2::1.0 | Applicable Fluids | Air |
Please check the type/dimensions/specifications of the part BJSU4 in the Cushion-Function Speed Controller series.
Specification/Dimensions
-
type
- BJSU
-
Nominal Diameter of Tube D
-
Flow rate type
- Large flow rate type
- Standard Type
-
Trusco Code
- 114-1282
- 496-4764
- 496-4756
- 496-4748
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- Same day
- 4 Day(s) or Less
- 7 Day(s) or Less
- 8 Day(s) or Less
- 11 Day(s) or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Similar Part Numbers
| Part Number |
|---|
| BJSU10 |
| BJSU4H |
| BJSU6 |
| BJSU6H |
| BJSU8 |
| BJSU8H |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Nominal Diameter of Tube D | Flow rate type | Trusco Code |
|---|---|---|---|---|---|---|---|---|
SGD 69.51 | 1 Piece(s) | 4 Day(s) or more | - | 10 | Standard Type | 114-1282 | ||
SGD 50.06 | 1 Piece(s) | 11 Day(s) or more | 10 | 4 | Large flow rate type | - | ||
SGD 52.26 | 1 Piece(s) | Same day | 10 | 6 | Standard Type | 496-4756 | ||
SGD 52.29 | 1 Piece(s) | 7 Day(s) or more | 10 | 6 | Large flow rate type | - | ||
SGD 54.66 | 1 Piece(s) | 8 Day(s) | 10 | 8 | Standard Type | 496-4764 | ||
SGD 67.17 | 1 Piece(s) | 8 Day(s) | 10 | 8 | Large flow rate type | - |
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