Grippers

BLQ-I

BLQ-I is a pneumatic rubber expansion gripper for internal grip — can be inflated up to 1.86x its deflated diameter, ideal for handling workpieces from the inside.

Models

BLQ-I is a pneumatic rubber expansion gripper for internal gripping. Its structure allows it to be inflated up to 1.86 times its deflated diameter, allowing handling of workpieces from the inside.

Advantages

  • Can be inflated up to 1.86x its deflated diameter, allowing handling of workpieces of different sizes from inside.
  • Light handling by controlling the pressure inside the gripper.
  • Force distribution over a wide surface allows delicate yet secure gripping even with heavy loads.
  • Particularly suitable for gripping glass and plastic objects — the type of contact does not damage the workpiece.
  • Wide range of sizes for objects from 5 to 105 mm diameter.
  • Does not require lubrication.
  • Long service life even in dusty environments thanks to absence of seals or bearings.
Metric Imperial
Model & Description Data Sheet 3D Model Weight Applicable Work Diameter Recommended Load Weight Max Restricted Pressure Max Unrestricted Pressure Working Temperature Load Capability Lubrication Rubber Section Material Metallic Section Material
BLQ-I-8.5-10-P-1.5-L-SM-4-N-E-N Internal gripping - Neoprene version 8 g0.3 oz 8.50-10.00 mm0.33-0.39 in 0.30 kg6.61 lb 4 bar55 psi 1.8 bar25 psi -18/74 °C0/165 °F 1.5-0.15 kg3.3-0.3 lb Not permitted Neoprene Stainless Steel
BLQ-I-10-12-P-3-L-SM-4-N-E-N Internal gripping - Neoprene version 12 g0.5 oz 10.00-13.00 mm0.39-0.51 in 0.30 kg6.61 lb 4 bar55 psi 1.8 bar25 psi -18/74 °C0/165 °F 1.5-0.23 kg3.4-0.5 lb Not permitted Neoprene Stainless Steel
BLQ-I-12-17-P-5-L-SM-4-N-E-N Internal gripping - Neoprene version 17 g0.5 oz 12.00-17.00 mm0.47-0.67 in 1.30 kg2.87 lb 4 bar55 psi 1.8 bar25 psi -18/74 °C0/165 °F 3.0-1.1 kg6.6-2.5 lb Not permitted Neoprene Stainless Steel
BLQ-I-16-21-P-5-L-SM-5-N-E-N Internal gripping - Neoprene version 28 g1 oz 16.00-21.00 mm0.63-0.83 in 2.00 kg4.41 lb 5 bar70 psi 1.8 bar25 psi -18/74 °C0/165 °F 5.0-3.3 kg11.0-7.3 lb Not permitted Neoprene Coated Steel
BLQ-I-21-27-P-6-L-SM-5-N-E-N Internal gripping - Neoprene version 60 g2 oz 20.00-27.00 mm0.79-1.06 in 2.50 kg5.51 lb 5 bar70 psi 2.4 bar35 psi -18/74 °C0/165 °F 7.4-3.0 kg16.3-6.6 lb Not permitted Neoprene Coated Steel
BLQ-I-24-32-P-9-L-SM-5-N-E-N Internal gripping - Neoprene version 85 g3 oz 23.00-32.00 mm0.91-1.26 in 3.00 kg6.61 lb 5 bar70 psi 2.4 bar35 psi -18/74 °C0/165 °F 10.4-3.5 kg23.0-7.7 lb Not permitted Neoprene Coated Steel
BLQ-I-28-36-P-8-L-SM-5-N-E-N Internal gripping - Neoprene version 105 g3.5 oz 26.00-40.00 mm1.02-1.57 in 3.50 kg7.72 lb 5 bar70 psi 2.4 bar35 psi -18/74 °C0/165 °F 14.12-2.25 kg31.25-5.0 lb Not permitted Neoprene Coated Steel
BLQ-I-30-44-P-14-L-SM-5-N-E-N Internal gripping - Neoprene version 160 g5.5 oz 30.00-44.00 mm1.18-1.73 in 6.00 kg13.23 lb 5 bar70 psi 2.4 bar35 psi -18/74 °C0/165 °F 13.6-6.8 kg30.0-15.0 lb Not permitted Neoprene Coated Steel
BLQ-I-32-52-P-20-L-SM-5-N-E-N Internal gripping - Neoprene version 245 g8.5 oz 32.00-54.00 mm1.26-2.13 in 9.00 kg19.84 lb 5 bar70 psi 2.4 bar35 psi -18/74 °C0/165 °F 24.9-9.1 kg55.0-20.0 lb Not permitted Neoprene Coated Steel
BLQ-I-45-65-P-20-L-SM-5-N-E-N Internal gripping - Neoprene version 180 g6 oz 45.00-65.00 mm1.77-2.56 in 12.00 kg26.46 lb 5 bar70 psi 2.4 bar35 psi -18/74 °C0/165 °F 34.9-11.3 kg77.0-25.0 lb Not permitted Neoprene Aluminium
BLQ-I-58-85-P-27-L-SM-5-N-E-N Internal gripping - Neoprene version 370 g13 oz 58.00-85.00 mm2.28-3.35 in 22.00 kg48.50 lb 5 bar70 psi 2.4 bar35 psi -18/74 °C0/165 °F 59.0-22.7 kg130.0-50.0 lb Not permitted Neoprene Aluminium
BLQ-I-70-105-P-35-L-SM-5-N-E-N Internal gripping - Neoprene version 610 g21.5 oz 70.00-105.00 mm2.76-4.13 in 28.00 kg61.73 lb 5 bar70 psi 2.4 bar35 psi -18/74 °C0/165 °F 72.6-29.9 kg160.0-66.0 lb Not permitted Neoprene Aluminium
BLQ-I-21-27-P-6-L-SM-1.8-N-S-N Internal gripping - Silicone version 60 g2 oz 22.00-25.00 mm0.87-0.98 in 1.8 bar25 psi 1 bar15 psi -30/160 °C-22/320 °F 1.0-0.23 kg2.2-0.5 lb Not permitted Silicone Aluminium
BLQ-I-24-32-P-5-L-SM-1.8-N-S-N Internal gripping - Silicone version 85 g3 oz 25.00-30.00 mm0.98-1.18 in 1.8 bar25 psi 1 bar15 psi -30/160 °C-22/320 °F 1.5-0.18 kg3.3-0.4 lb Not permitted Silicone Aluminium
BLQ-I-30-44-P-8-L-SM-1.8-N-S-N Internal gripping - Silicone version 165 g6 oz 32.00-40.00 mm1.26-1.57 in 1.8 bar25 psi 1 bar15 psi -30/160 °C-22/320 °F 2.5-0.6 kg5.5-1.3 lb Not permitted Silicone Aluminium
BLQ-I-32-52-P-8-L-SM-1.8-N-S-N Internal gripping - Silicone version 110 g4 oz 34.00-42.00 mm1.34-1.65 in 1.8 bar25 psi 0.8 bar12 psi -30/160 °C-22/320 °F 3.0.5-1 kg7.7-2.3 lb Not permitted Silicone Aluminium
BLQ-I-45-65-P-12-L-SM-1.8-N-S-N Internal gripping - Silicone version 180 g6 oz 46.00-58.00 mm1.81-2.28 in 1.8 bar25 psi 0.8 bar12 psi -30/160 °C-22/320 °F 3.6-2.0 kg8.0-4.5 lb Not permitted Silicone Aluminium
BLQ-I-8.5-10-P-1.5-L-SM-4-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
Weight
8 g0.3 oz
Applicable Work Diameter
8.50-10.00 mm0.33-0.39 in
Recommended Load Weight
0.30 kg6.61 lb
Max Restricted Pressure
4 bar55 psi
Max Unrestricted Pressure
1.8 bar25 psi
Working Temperature
-18/74 °C0/165 °F
Load Capability
1.5-0.15 kg3.3-0.3 lb
Lubrication
Not permitted
Rubber Section Material
Neoprene
Metallic Section Material
Stainless Steel
BLQ-I-10-12-P-3-L-SM-4-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
Weight
12 g0.5 oz
Applicable Work Diameter
10.00-13.00 mm0.39-0.51 in
Recommended Load Weight
0.30 kg6.61 lb
Max Restricted Pressure
4 bar55 psi
Max Unrestricted Pressure
1.8 bar25 psi
Working Temperature
-18/74 °C0/165 °F
Load Capability
1.5-0.23 kg3.4-0.5 lb
Lubrication
Not permitted
Rubber Section Material
Neoprene
Metallic Section Material
Stainless Steel
BLQ-I-12-17-P-5-L-SM-4-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
Weight
17 g0.5 oz
Applicable Work Diameter
12.00-17.00 mm0.47-0.67 in
Recommended Load Weight
1.30 kg2.87 lb
Max Restricted Pressure
4 bar55 psi
Max Unrestricted Pressure
1.8 bar25 psi
Working Temperature
-18/74 °C0/165 °F
Load Capability
3.0-1.1 kg6.6-2.5 lb
Lubrication
Not permitted
Rubber Section Material
Neoprene
Metallic Section Material
Stainless Steel
BLQ-I-16-21-P-5-L-SM-5-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
Weight
28 g1 oz
Applicable Work Diameter
16.00-21.00 mm0.63-0.83 in
Recommended Load Weight
2.00 kg4.41 lb
Max Restricted Pressure
5 bar70 psi
Max Unrestricted Pressure
1.8 bar25 psi
Working Temperature
-18/74 °C0/165 °F
Load Capability
5.0-3.3 kg11.0-7.3 lb
Lubrication
Not permitted
Rubber Section Material
Neoprene
Metallic Section Material
Coated Steel
BLQ-I-21-27-P-6-L-SM-5-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
Weight
60 g2 oz
Applicable Work Diameter
20.00-27.00 mm0.79-1.06 in
Recommended Load Weight
2.50 kg5.51 lb
Max Restricted Pressure
5 bar70 psi
Max Unrestricted Pressure
2.4 bar35 psi
Working Temperature
-18/74 °C0/165 °F
Load Capability
7.4-3.0 kg16.3-6.6 lb
Lubrication
Not permitted
Rubber Section Material
Neoprene
Metallic Section Material
Coated Steel
BLQ-I-24-32-P-9-L-SM-5-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
Weight
85 g3 oz
Applicable Work Diameter
23.00-32.00 mm0.91-1.26 in
Recommended Load Weight
3.00 kg6.61 lb
Max Restricted Pressure
5 bar70 psi
Max Unrestricted Pressure
2.4 bar35 psi
Working Temperature
-18/74 °C0/165 °F
Load Capability
10.4-3.5 kg23.0-7.7 lb
Lubrication
Not permitted
Rubber Section Material
Neoprene
Metallic Section Material
Coated Steel
BLQ-I-28-36-P-8-L-SM-5-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
Weight
105 g3.5 oz
Applicable Work Diameter
26.00-40.00 mm1.02-1.57 in
Recommended Load Weight
3.50 kg7.72 lb
Max Restricted Pressure
5 bar70 psi
Max Unrestricted Pressure
2.4 bar35 psi
Working Temperature
-18/74 °C0/165 °F
Load Capability
14.12-2.25 kg31.25-5.0 lb
Lubrication
Not permitted
Rubber Section Material
Neoprene
Metallic Section Material
Coated Steel
BLQ-I-30-44-P-14-L-SM-5-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
Weight
160 g5.5 oz
Applicable Work Diameter
30.00-44.00 mm1.18-1.73 in
Recommended Load Weight
6.00 kg13.23 lb
Max Restricted Pressure
5 bar70 psi
Max Unrestricted Pressure
2.4 bar35 psi
Working Temperature
-18/74 °C0/165 °F
Load Capability
13.6-6.8 kg30.0-15.0 lb
Lubrication
Not permitted
Rubber Section Material
Neoprene
Metallic Section Material
Coated Steel
BLQ-I-32-52-P-20-L-SM-5-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
Weight
245 g8.5 oz
Applicable Work Diameter
32.00-54.00 mm1.26-2.13 in
Recommended Load Weight
9.00 kg19.84 lb
Max Restricted Pressure
5 bar70 psi
Max Unrestricted Pressure
2.4 bar35 psi
Working Temperature
-18/74 °C0/165 °F
Load Capability
24.9-9.1 kg55.0-20.0 lb
Lubrication
Not permitted
Rubber Section Material
Neoprene
Metallic Section Material
Coated Steel
BLQ-I-45-65-P-20-L-SM-5-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
Weight
180 g6 oz
Applicable Work Diameter
45.00-65.00 mm1.77-2.56 in
Recommended Load Weight
12.00 kg26.46 lb
Max Restricted Pressure
5 bar70 psi
Max Unrestricted Pressure
2.4 bar35 psi
Working Temperature
-18/74 °C0/165 °F
Load Capability
34.9-11.3 kg77.0-25.0 lb
Lubrication
Not permitted
Rubber Section Material
Neoprene
Metallic Section Material
Aluminium
BLQ-I-58-85-P-27-L-SM-5-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
Weight
370 g13 oz
Applicable Work Diameter
58.00-85.00 mm2.28-3.35 in
Recommended Load Weight
22.00 kg48.50 lb
Max Restricted Pressure
5 bar70 psi
Max Unrestricted Pressure
2.4 bar35 psi
Working Temperature
-18/74 °C0/165 °F
Load Capability
59.0-22.7 kg130.0-50.0 lb
Lubrication
Not permitted
Rubber Section Material
Neoprene
Metallic Section Material
Aluminium
BLQ-I-70-105-P-35-L-SM-5-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
Weight
610 g21.5 oz
Applicable Work Diameter
70.00-105.00 mm2.76-4.13 in
Recommended Load Weight
28.00 kg61.73 lb
Max Restricted Pressure
5 bar70 psi
Max Unrestricted Pressure
2.4 bar35 psi
Working Temperature
-18/74 °C0/165 °F
Load Capability
72.6-29.9 kg160.0-66.0 lb
Lubrication
Not permitted
Rubber Section Material
Neoprene
Metallic Section Material
Aluminium
BLQ-I-21-27-P-6-L-SM-1.8-N-S-N

Internal gripping - Silicone version

Data Sheet
3D Model
Weight
60 g2 oz
Applicable Work Diameter
22.00-25.00 mm0.87-0.98 in
Max Restricted Pressure
1.8 bar25 psi
Max Unrestricted Pressure
1 bar15 psi
Working Temperature
-30/160 °C-22/320 °F
Load Capability
1.0-0.23 kg2.2-0.5 lb
Lubrication
Not permitted
Rubber Section Material
Silicone
Metallic Section Material
Aluminium
BLQ-I-24-32-P-5-L-SM-1.8-N-S-N

Internal gripping - Silicone version

Data Sheet
3D Model
Weight
85 g3 oz
Applicable Work Diameter
25.00-30.00 mm0.98-1.18 in
Max Restricted Pressure
1.8 bar25 psi
Max Unrestricted Pressure
1 bar15 psi
Working Temperature
-30/160 °C-22/320 °F
Load Capability
1.5-0.18 kg3.3-0.4 lb
Lubrication
Not permitted
Rubber Section Material
Silicone
Metallic Section Material
Aluminium
BLQ-I-30-44-P-8-L-SM-1.8-N-S-N

Internal gripping - Silicone version

Data Sheet
3D Model
Weight
165 g6 oz
Applicable Work Diameter
32.00-40.00 mm1.26-1.57 in
Max Restricted Pressure
1.8 bar25 psi
Max Unrestricted Pressure
1 bar15 psi
Working Temperature
-30/160 °C-22/320 °F
Load Capability
2.5-0.6 kg5.5-1.3 lb
Lubrication
Not permitted
Rubber Section Material
Silicone
Metallic Section Material
Aluminium
BLQ-I-32-52-P-8-L-SM-1.8-N-S-N

Internal gripping - Silicone version

Data Sheet
3D Model
Weight
110 g4 oz
Applicable Work Diameter
34.00-42.00 mm1.34-1.65 in
Max Restricted Pressure
1.8 bar25 psi
Max Unrestricted Pressure
0.8 bar12 psi
Working Temperature
-30/160 °C-22/320 °F
Load Capability
3.0.5-1 kg7.7-2.3 lb
Lubrication
Not permitted
Rubber Section Material
Silicone
Metallic Section Material
Aluminium
BLQ-I-45-65-P-12-L-SM-1.8-N-S-N

Internal gripping - Silicone version

Data Sheet
3D Model
Weight
180 g6 oz
Applicable Work Diameter
46.00-58.00 mm1.81-2.28 in
Max Restricted Pressure
1.8 bar25 psi
Max Unrestricted Pressure
0.8 bar12 psi
Working Temperature
-30/160 °C-22/320 °F
Load Capability
3.6-2.0 kg8.0-4.5 lb
Lubrication
Not permitted
Rubber Section Material
Silicone
Metallic Section Material
Aluminium

Operating pressure 2 - 8 barAmbient temperature 5 - 60 °C (Neoprene: -18 / 74 °C / Silicone: -30 / 160 °C)Sound emissions (sound pressure) ≤ 70 dB(A) in each direction

The dimensions are indicative and susceptible to changes due to technical improvements. We reserve the right to make changes without notice.

Related Products

Grippers
BLQ-E

BLQ-E is a pneumatic rubber expansion gripper for external grip — capable of gripping objects up to 40% larger than the gripper's deflated diameter, ideal for gentle handling of delicate parts.

Designs

EFFECTO pneumatic grippers are designed for durability, with a wedge-hook mechanism that delivers high power transmission and repeatable, synchronized gripping cycle after cycle.

Available across 30 versions and multiple sizes, from compact grippers for tight workspaces to larger models for heavy-duty applications, each is built with superior jaw guidance for precise handling and easy maintenance in harsh environments.

Downloads

Model & Description Data Sheet 3D Model
BLQ-I-8.5-10-P-1.5-L-SM-4-N-E-N Internal gripping - Neoprene version
BLQ-I-10-12-P-3-L-SM-4-N-E-N Internal gripping - Neoprene version
BLQ-I-12-17-P-5-L-SM-4-N-E-N Internal gripping - Neoprene version
BLQ-I-16-21-P-5-L-SM-5-N-E-N Internal gripping - Neoprene version
BLQ-I-21-27-P-6-L-SM-5-N-E-N Internal gripping - Neoprene version
BLQ-I-24-32-P-9-L-SM-5-N-E-N Internal gripping - Neoprene version
BLQ-I-28-36-P-8-L-SM-5-N-E-N Internal gripping - Neoprene version
BLQ-I-30-44-P-14-L-SM-5-N-E-N Internal gripping - Neoprene version
BLQ-I-32-52-P-20-L-SM-5-N-E-N Internal gripping - Neoprene version
BLQ-I-45-65-P-20-L-SM-5-N-E-N Internal gripping - Neoprene version
BLQ-I-58-85-P-27-L-SM-5-N-E-N Internal gripping - Neoprene version
BLQ-I-70-105-P-35-L-SM-5-N-E-N Internal gripping - Neoprene version
BLQ-I-21-27-P-6-L-SM-1.8-N-S-N Internal gripping - Silicone version
BLQ-I-24-32-P-5-L-SM-1.8-N-S-N Internal gripping - Silicone version
BLQ-I-30-44-P-8-L-SM-1.8-N-S-N Internal gripping - Silicone version
BLQ-I-32-52-P-8-L-SM-1.8-N-S-N Internal gripping - Silicone version
BLQ-I-45-65-P-12-L-SM-1.8-N-S-N Internal gripping - Silicone version
BLQ-I-8.5-10-P-1.5-L-SM-4-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
BLQ-I-10-12-P-3-L-SM-4-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
BLQ-I-12-17-P-5-L-SM-4-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
BLQ-I-16-21-P-5-L-SM-5-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
BLQ-I-21-27-P-6-L-SM-5-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
BLQ-I-24-32-P-9-L-SM-5-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
BLQ-I-28-36-P-8-L-SM-5-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
BLQ-I-30-44-P-14-L-SM-5-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
BLQ-I-32-52-P-20-L-SM-5-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
BLQ-I-45-65-P-20-L-SM-5-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
BLQ-I-58-85-P-27-L-SM-5-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
BLQ-I-70-105-P-35-L-SM-5-N-E-N

Internal gripping - Neoprene version

Data Sheet
3D Model
BLQ-I-21-27-P-6-L-SM-1.8-N-S-N

Internal gripping - Silicone version

Data Sheet
3D Model
BLQ-I-24-32-P-5-L-SM-1.8-N-S-N

Internal gripping - Silicone version

Data Sheet
3D Model
BLQ-I-30-44-P-8-L-SM-1.8-N-S-N

Internal gripping - Silicone version

Data Sheet
3D Model
BLQ-I-32-52-P-8-L-SM-1.8-N-S-N

Internal gripping - Silicone version

Data Sheet
3D Model
BLQ-I-45-65-P-12-L-SM-1.8-N-S-N

Internal gripping - Silicone version

Data Sheet
3D Model

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