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Pressure Measurement & Control
Rupture Disks
Rupture disks, also known as blow plugs or soft plugs, are designed for emergency pressure relief of the extruder. ECS offers a full line of pressure ranges and thread sizes in stock. Custom sizes and pressures are available as well. |
- For best disk life, use a pressure rating that is ³ 1.4 times your normal operating pressure.
- Do not exceed manufacturer's high pressure specifications.
Rupture Disks Body Styles
| 618 |
568 |
| 1/2 -20 UNF thread |
1/2 -20 UNF thread |
| 1.81" long |
6" long |
| screwdriver slot |
7/16" Hex |
| 648 |
668 |
698 |
| 1/2 -20 UNF thread |
1/2 -20 UNF thread |
1/2 -20 UNF thread |
| 4.25" long |
6" long |
9" long |
| 5/8" hex with 1/4" NPT |
7/8" hex with 1/4" NPT |
7/8" hex with 1/4" NPT |
5710 |
5/8 -11 UNC thread |
7" long |
wrench flats |
For Egan Machines |
6512 A |
6812 A |
| 3/4 -16UNF thread |
3/4 -16UNF thread |
| 5.5" long |
8" long |
| 1" hex with 1/2" NPT |
1" hex with 1/2" NPT |
Gauges
Gauges are simple to install and easy to use. Mechanical gauges do not require any wiring. Gauges are ideal for providing a general indication of processing conditions including contamination build-up on screen packs. Digital gauges can be used to shut down the extruder before rupture disks are blown.
Gauge Types
Mechanical gauges
| Mechanical gauge 0150 
|
Mechanical gauge 0151 
|
Mechanical gauge with J/t/c 0152 
|
|
6" rigid stem
|
6" rigid stem with 30" flex
|
6" rigid stem with 30" flex
|
Digital gauges
| Digital gauge 0250 |
Digital gauge 0251 |
Digital gauge with J/t/c 0252 |
| 6" rigid stem |
6" rigid stem with 30" flex |
6" rigid stem with 30" flex |
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Transducers and Transmitters

Pressure transducers paired with an indicator provides more accurate means of monitoring pressure than gauges. Transducers can be used to measure screw performance, and the stability of the extruder output, as well as providing the necessary pressure readings for automatic screen changes to operate. Transducers pared with pressure controllers are used to control screw speed in a effort to produce constant extruder output.
Transducer Types
0100 Series: Industry standard. 1/2 -20UNF Thread + liquid metal fill with 6 pin connector.
| 100

+/- 1% combined error |
0101

+/- 1% combined error |
0102

+/- 1% combined error |
| 6 pin connector |
6 pin connector |
6 pin connector |
| ReplacesPT460E series |
ReplacesPT462E series |
ReplacesTPT463E series |
| |
|
Replaceable type J thermocouple |
3100 Series: Standard 1/2 -20UNF Thread. FDA approved oil fill with 6 pin connector.
-
3100/3101/3102
+/- 0.25% combined error
6 pin connector
0120 Series: Standard 1/2 -20 UNF Thread. Liquid metal fill with 8 pin connector.
| 0120 |
0121 |
0122 |
| +/- 0.5% Combined error |
+/- 0.5% Combined error |
+/- 0.5% Combined error |
| 8 pin connector |
8 pin connector |
8 pin connector |
| Replaces PT420A Series |
Replaces PT422A Series |
Replaces TPT432 Series |
| |
|
Replaceable type J thermocouple |
3160 Series: Standard 1/2 -20 UNF Thread. FDA approved oil fill with 8 pin connector.
-
+/- 0.25% combined error
-
8 pin connector
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Pressure Transmitters
0130 Series: Standard 4 to 20 mAmp output, 1/2 -20 UNF Thread, liquid metal fill.
| 0130 |
0131 |
0132 |
| +/-
1.0% combined error |
+/-
1.0% combined error |
+/-
1.0% combined error |
| 6
pin connector |
6
pin connector |
6
pin connector |
| 6"
Rigid Stem |
6"
rigid stem with 18" flex |
6"
rigid stem with 18" flex |
0270
Series: Standard 0 to 10 Vdc output,
1/2 -20 UNF Thread, Liquid metal fill
| 0270 |
0271 |
0272 |
| +/-
0.5% combined error |
+/-
0.5% combined error |
+/-
0.5% combined error |
| 6
pin connector |
6
pin connector |
6
pin connector |
| 6"
Rigid Stem |
6"
rigid stem with 18" flex |
6"
rigid stem with 18" flex |
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Instrumentation
Pressure Indicator
and controls available in 1/8 DIN and 1/4 DIN sizes.
Models
40B
- 1/8 DIN
Pressure indicator
- Two programmable
alarm relays
- Optional
4-20 mA Retransmission output
- 3-year
warranty
40TB
-
1/4
DIN pressure indicator
-
Two
programmable alarm relays
-
0-10
Vdc, 0-20 mA, 4-20 mA Retransmission output
-
Replaces
UPR685 and UPR690
-
3-year
warranty
40TPB
- 1/4 DIN
pressure and temperature indicator
- Two programmable
alarm relays
- 0-10 Vdc,
0-20 mA, 4-20 mA Retransmission output
- 3-year
warranty
2301 
- 1/4 DIN
pressure Control
- Configured
0-10 Vdc, 4-20 mA output
- Alarm relays
- 3-year
warranty
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Pressure
Packages
Huge
savings on pressure packages. Transducer instruments + cables
are combined in one economical package.
Packages
0770
Package (3770 Package)
0880
Package (3880 Package)
0990
Package (3990 Package)
-
40TPB
indicator
-
0102
pressure temperature transducer (or 3102 oil filled)
-
Transducer
cable
-
72"
thermocouple extension cable
-
Type
J female panel jack
-
10'
thermocouple extension wire

2301
Package (3301 Package)
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Pressure
accessories
We
also stock pressure accessories such as:
Calibration
repair and Trade-ins available. Call us at 1-888-327-5201 for more details.
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