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Pneumatic Servo Systems

Enfield Technologies Pneumatic Servo Systems

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Enfield Technologies specializes in high-performance advanced proportional pneumatic control for applications such as medical devices, factory automation, robotics, pharmaceutical production, food & beverage processing/packaging, test & measurement instruments, animatronics and more.

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S2-025-U-04

S2-025-U-04
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Enfield Technologies Model S2-025-U-04

Fully integrated Servo Pneumatic Valve with on-board controller and easy USB setup

Flow:1300 SLPM
        (46 SCFM)
Cv     1.00
Ports: 1/4″ NPTF
Resp.  2.5 ms

Accuracy   1.0% of scale

S2 Overview

S2 User manual

S2 Software for USB Model

The Enfield S2 positioning system is a servo pneumatic proportional control valve offering all in one positioning of varying loads at high speeds for lower cost than competing electric drives and hydraulic systems.

Enfield Technologies has introduced the S2 Servo Pneumatic Proportional Control System for variable positioning of air cylinders. The compelling aspect of the S2 is tight integration of control algorithms, electronics and mechanical components in one package. Focused on simplifying setup and attaining superior performance, Enfield designed the S2 as a directional control valve with an on-board closed-loop controller, high efficiency valve driver, and sensors to measure differential pressure in the cylinder. Inputs are simply power, cylinder position set-point signal, and cylinder position sensor feedback signal.

Enfield has provided the end user with ultimate flexibility in their design process. Instead of being locked into one brand, the S2 can be paired with any air cylinder brand and standard analog position sensors. This allows the customer to deploy best-of-breed components for their application. Designers can tackle high speed and high force applications with less cost and less space than electric drives for the same load capacity.

The innovative algorithm uses a cascaded control system with both position and pressure feedback. The result rivals electric drives while retaining the advantages of pneumatics for moving and holding high loads, space efficiency, and low cost. Their website shows a video of an application using 40 mm (1.5”) bore cylinder following a PLC command to move 25 kg (55 lb) to various positions at 1200 mm/s (50 in/s) with positional accuracy of 0.5%. Customers have also used the system for even more precise control. For example, a laboratory automation process was developed to provide 5 mm indexing with better than 0.25 mm accuracy for a tray of small samples moved by a 300 mm low friction guided cylinder with feedback. That’s better than 0.1% accuracy

Contact sales@airoil.com for additional information

LS-V05s Valve

LS-V05s
ls-v05s
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Enfield Pneumatic Servo Valve products
Valve

Flow Capacity (approx.)
(80 psig to atmosphere)
Max. Valve Coefficient (Cv)
Ports
Shifting Time

LS-V05s

170 SLPM
(6 SCFM)
0.13
10-32 UNF-3B
2.4 ms

Contact sales@airoil.com for additonal information

LS-V15s Valve

LSV15s
ls-v15s
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LS-V15s

460 SLPM
(16 SCFM)
0.35
1/8″ NPTF
2.5 ms

Enfield Pneumatic Servo Valve products
Contact sales@airoil.com for addtional information

LS-V25s Valve

LSV25s
  • Description
LS-V25s

1300 SLPM
(46 SCFM)
1.00
1/4″ NPTF
2.5 ms

Enfield Pneumatic Servo Valve products

C1 Driver

C1
c1
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C1

PID or P with Ramp selectable
+12…24 Vdc
24 Vdc nominal @ 20W
0-10Vdc or 4-20mA
Configurable
0-10Vdc or 4-20mA
Configurable
46 x 56 x 45 mm

Enfield Pneumatic Servo Valve products
Contact sales@airoil.com for additional information

D1 Valve driver

D1
d1
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D1

12 or 24 Vdc @ 15 W
Selectable: 0…5V, 0…10V
0…20mA, or 4…20mA
PWM > 2kHz frequency
-1.0A…1.0A
-40°C to 65°C
(-40°F to 150°F

Enfield Technologies D1 valve Driver
Contact sales@airoil.com for additional information.

LS-C10 Driver

LS-C10
ls-c10
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LS-C10

P with Aux
±12 Vdc @ 25W (LS Valves)
±15 Vdc @ 30W (M2 Valves)
±10 Vdc Range (0-10 Vdc typ.)
4-20 mA
±10 Vdc Range (0-10 Vdc typ.)
4-20 mA
166 x 111 x 55 mm

Enfield Pneumatic Servo Valve products
Contact sales@airoil.com for additional information

LS-C41 Driver

LS-C41
ls-c41
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LS-C41

PID with FF and Aux
18-36 Vdc
24 Vdc Nom. @ 30W
±10 Vdc Range
(0-10 Vdc typ.)
±10 Vdc Range
(0-10 Vdc typ.)
137 x 126 x 45 mm

Enfield Pneumatic Servo Valve products
Contact sales@airoil.com for additonal information

ASG-1

ASG-1
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ASG-1
12…36 VDC
±24VDC Max (agnd…10VDC typ)
0.25W
300° ±5°
Single Pole Double Throw
0°C to +70°C
(32°F to +158°F
Enfield Pneumatic Servo Valve products
Contact sales@airoil.com for addtional information