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Датчик давления HED 8 OP-2X/50K14AS — это электронный датчик, который применяется, чтобы измерить давление в жидкостях и газах.
Основные свойства датчика давления:
- диапазон измерения: от 0 до 50 бар;
- выходной сигнал: 4-20 мА;
- точность измерения: ±0,5%;
- рабочая температура: от -25 до +85 градусов по Цельсию;
- защита от перегрузки: до 100 бар.
Датчик HED 8 OP-2X/50K14AS изготавливается из нержавеющей стали и имеет высокую степень защиты от внешних воздействий. Его используют в различных отраслях промышленности, таких как автомобильная, медицинская, пищевая, нефтегазовая и др.
Чтобы установить датчик необходимо провести калибровку и подключить его к системе управления. Монтаж должен производиться в соответствии с инструкцией производителя.
Срок эксплуатации датчика давления HED 8 OP-2X/50K14AS зависит от условий эксплуатации и может служить нескольких лет.
Description
- Component series 2X
- Maximum operating pressure 630bar
- Pressure ratings 50, 100, 200, 350 and 630 bar
- UL recognized component, CCC-certified
Features
- For subplate mounting/pipeline installation
- For flange connection according to ISO 16873
- As vertical stacking element in connection with sandwich plates according to ISO 4401
- 5 pressure ratings
- 4 adjustment types: – Spindle with/without protective cap – Spindle with scale, with/without protective cap – Rotary knob with scale – Lockable rotary knob with scale
- Electrical connection – with valve plug-in connector design A (large cubic connector) – with M12 x 1 connector
- Micro switch with NC/NO contact function
- Potential-free switching of currents from 1 mA to 2 A
- UL approval for pressure ranges up to 350 bar
Product description
The hydro-electric pressure switch type HED 8 is a piston type pressure switch. It basically comprises of housing (1), installation kit with piston (2), compression spring (3), adjustment element (4) and micro switch (5).
If the pressure to be monitored is below the set value, the micro switch (5) is operated. The pressure to be monitored is applied via the nozzle (7) at the piston (2). The piston (2) is supported by the spring plate (6) and acts against the continuously adjustable force of the compression spring (3). The spring plate (6) transmits the movement of the piston (2) onto the micro switch (5) and releases the latter when the set pressure is reached. This switches the electric circuit on or off, depending on the circuit set-up. The mechanical positive stop of the spring plate (6) protects the micro switch (5) in case of a sudden pressure drop from mechanical destruction and, in case of overpressure, prevents solid compression of the compression spring (3).
Notices:
In order to increase the life cycle, the pressure switch should be mounted with low vibrations and protected from hydraulic pressure surges.
Type HED 8 OH-2X/…K14
Type HED 8 OH-2X/…K14S
Type HED 8 OP-2X/…K14A
Type HED 8 OP-2X/…K14AS
Type HED 8 OA-2X/…K14KW
Type HED 8 OA-2X/…K14KS
Type code
|
01 |
Piston type pressure switch |
HED8 |
|
02 |
Flange connection (ISO 16873) 1) |
OH |
|
Subplate mounting |
OP |
|
|
Pipeline installation |
OA |
|
|
03 |
Component series 60 … 69 (60 … 69: unchanged installation and connection dimensions) |
2X |
|
04 |
Pressure rating maximum 50 bar |
50 |
|
Pressure rating maximum 100 bar |
100 |
|
|
Pressure rating maximum 200 bar |
200 |
|
|
Pressure rating maximum 350 bar |
350 |
|
|
Pressure rating maximum 630 bar |
630 |
|
|
Electrical connection |
||
|
05 |
Individual connection |
|
|
Without mating connector; connector DIN EN 175301-803 |
K14 3) |
|
|
Without mating connector, 4-pole with connector M12x1, integrated interference protection circuit, status LED according to IEC 60947-5-2 |
K35 3) |
|
|
Adjustment type |
||
|
06 |
Spindle with internal hexagon, without scale, without protective cap |
no code |
|
Spindle with internal hexagon, without scale, with protective cap, sealable |
S |
|
|
Spindle with scale, without protective cap |
A5) |
|
|
Spindle with scale, with protective cap |
AS5) |
|
|
Lockable rotary knob with scale |
KS4; 5) |
|
|
Rotary knob with scale |
KW 5) |
|
|
Seal material |
||
|
07 |
NBR seals |
no code |
|
FKM seals |
V |
|
|
Low-temperature seals (max. 315 bar) |
MT |
|
|
Observe compatibility of seals with hydraulic fluid used. (Other seals upon request) |
||
|
08 |
Further details in the plain text |
|
| 1) Sandwich plate for vertical stacking, separate order see accessories | |
| 2) Not admissible for vertical stacking, not with low-temperature seals, without UL approval | |
| 3) Mating connectors, separate order, see accessories | |
| 4) H-key, material no. R900008158, is included in the scope of delivery | |
| 5) Exact setting of the switching pressure is only possible by means of a pressure gauge (scale only serves as orientation) |
Technical data
Type
|
Component series |
2X |
General
|
Weight |
m |
kg |
0.8 | |
|
Installation position |
any | |||
|
Ambient temperature ranges (NBR seals) |
ϑ |
°C |
-25 … +50 | |
|
Ambient temperature ranges (FKM seals) |
ϑ |
°C |
-20 … +50 | |
|
Ambient temperature range (low-temperature seal) |
ϑ |
°C |
-40 … +50 | |
|
Sine test |
DIN EN 60068-2-6:1996-05: 10…2000 Hz / max. 10 g / 10 double cycles | |||
|
Transport shock |
DIN EN 60068-2-27:1995-03: 15 g / 11 ms | |||
|
Bump test |
DIN EN 60068-2-29:1995-03: 25 g / 6 ms | |||
|
Noise test |
DIN EN 60068-2-64:1996-05: 20…2000 Hz / 10 g RMS / 30 min | |||
|
Conformity/certification |
CE |
DIN EN 61058-1: 2002 / A2: 2008 DIN EN 60947-1: 2007 / A1: 2011 DIN EN 60947-5-1: 2004 / A1: 2009 DIN EN 60529: 1991 / A2: 2013 |
||
|
UL |
UL, 508 17th edition File No E223220 (up to 350 bar) | |||
|
CCC |
GB 14048.5-2008 | |||
|
RoHS |
Compliant according to EU directive 2011/65/EU | |||
Hydraulisch
|
Pressure rating |
p |
bar |
50 | 100 | 200 | 350 | 630 |
|
Operating pressure NBR/FKM seals, max. |
p |
bar |
350 | 400 | 630 | ||
|
Pressure adjustment range (decreasing) |
p |
bar |
5 … 50 | 10 … 100 | 15 … 200 | 25 … 350 | 40 … 630 |
|
Pressure differential per rotation 1) |
p |
bar |
≈ 19 | ≈ 35 | ≈ 77 | ≈ 120 | ≈ 214 |
|
Hydraulic fluid 1) |
see table below | ||||||
|
Hydraulic fluid temperature range (NBR seals) |
ϑ |
°C |
-25 … +80 | ||||
|
Hydraulic fluid temperature range (FKM seals) |
ϑ |
°C |
-20 … +80 | ||||
|
Hydraulic fluid temperature range (low-temperature seals) |
ϑ |
°C |
-40 … +80 | ||||
|
Viscosity range |
μ |
mm²/s |
10 … 800 | ||||
|
Maximum admissible degree of contamination of the hydraulic fluid 2) |
Class 20/18/15 according to ISO 4406 (c) | ||||||
|
Load cycles |
≥ 5 million | ||||||
| 1) | Direction of rotation: clockwise → Set pressure increase counterclockwise → Set pressure decrease |
| 2) | The cleanliness classes specified for the components must be adhered to in hydraulic systems. Effective filtration prevents faults and simultaneously increases the life cycle of the components. For the selection of the filters, see www.boschrexroth.com/filter. |
|
Hydraulic fluid |
Classification |
Suitable sealing materials |
Standards |
|
|
Mineral oils and related hydrocarbons |
HL, HLP |
NBR, FKM |
DIN 51524 |
|
|
HVLP |
Low-temperature design MT |
|||
|
Bio-degradable |
Insoluble in water |
HETG |
NBR, FKM |
ISO 15380 |
|
HEES |
FKM |
|||
|
Soluble in water |
HEPG |
FKM |
ISO 15380 |
|
|
Flame-resistant |
Containing water |
HFC |
NBR |
ISO 12922 |
|
Important information on hydraulic fluids! Further information and information on the use of other hydraulic fluids on request! |
||||
Elektrisch
|
Anschlussart |
With connector "K14" |
EN 175301-803, 3-pole + PE | ||
|
With connector "K35" |
IEC 61076-2-101, M12 x 1, A coding, 4-pole | |||
|
Protection class according to DIN EN 60529 |
With connector "K14" |
IP65 with mating connector mounted and fitted | ||
|
With connector "K35" |
IP 67 with mating connector mounted and fitted | |||
|
Switching frequency, max. |
1/h |
7200 | ||
|
Switching accuracy (repetition accuracy) |
< 1 % of the set pressure | |||
|
Switch |
according to VDE 0630-1/DIN EN 61058-1 | |||
|
Transition resistance |
R |
mΩ |
< 50 | |
|
Insulation coordination |
Überspannung Kategorie 3 | |||
|
Contamination |
Degree of contamination 3 | |||
|
Bounce time |
On |
t |
ms |
< 5 |
|
Off |
t |
ms |
< 5 | |
|
Current, min. |
I |
mA |
1.0 with 24 V DC | |
|
Current, max. |
With connector "K14" |
I |
A |
0.5 with 50 V DC, inductive 0.2 with 125 V DC, inductive 0.1 with 250 V DC, inductive 2.0 with 250 V AC |
|
With connector "K35" |
I |
A |
0.5 with 48 V DC, inductive 2.0 with 48 V DC, ohmic load |
|
|
Switching power |
|||
|
Switching cycles |
Voltage U in V |
Ohmic load max. in A |
Inductive load, max. in A |
|
With connector "K14" |
|||
|
2 million |
250, AC |
2 A for 2 million switching cycles (AC-12) |
0.5 A, cos. ϕ = 0.6 for 2 million switching cycles (DC-12) |
|
With connector “K14” and “K35” |
|||
|
2 million |
24, DC |
2 A for 2 million switching cycles (AC-12) |
0.5 A for 2 million switching cycles 3) |
|
5 million |
24, DC |
5.0 mA for 5 million switching cycles (DC-12) |
‒ |
Diagrams/characteristic curves
Switching pressure differential (measured with HLP46, ϑOil = 40 ±5 °C)
Pressure rating 50 bar
Pressure rating 100 bar
Pressure rating 200 bar
Pressure rating 350 bar
Pressure rating 630 bar
Notices:
The switching pressure differential may increase within the course of the life cycle due to the deterioration of the oil quality and the number of load cycles.
Symbols/Circuit diagrams
Electrical connection
|
"K14" without indicator light |
"K14" with indicator light |
"K35" |
 |
 |
 |
|
Switching function Terminals 1-2: In case of pressure increase, contact opens Terminals 1-3: In case of pressure increase, contact closes |
Switching function Terminals 1-2: In case of pressure increase, contact opens Terminals 1-4: In case of pressure increase, contact closes |
|
Notice:
For general information on safety, installation or commissioning, see operating instructions.
Dimensions
Type HED 8 …K14
Dimensions in mm
|
1 |
Adjustment type "KW" |
|
2 |
Adjustment type "KS" |
|
3 |
Adjustment type "–" |
|
4 |
Adjustment type "S" |
|
5 |
Adjustment type "A" |
|
6 |
Adjustment type "AS" |
|
7 |
Seal ring |
|
8 |
Space required to remove the key |
|
9 |
Space required to remove the mating connector |
|
10 |
Hexagon SW27 (with adjustment type "KS") |
|
11 |
Internal hexagon SW10 |
|
12 |
Mating connector without circuitry for connection "K14” (separate order) |
|
13 |
Mating connector with circuitry for connection "K14” (separate order) |
|
17 |
Valve mounting screws (separate order) for type HED 8 OH… 2 hexagon socket head cap screws, metric ISO 4762 - M5 x 55 - 10.9-flZn-240h-L Friction coefficient μtotal = 0.09 to 0.14, Tightening torque MA = 6+0.5 Nm, Material no. R913000261 |
|
18 |
Maximum diameter of the connection bore of the counterpart (type HED 8 OH…) |
|
19 |
Maximum diameter of the connection bore of the counterpart (type HED 8 OP…) |
|
20 |
Valve mounting screws (separate order) for type HED 8 OA… and …OP… 2 hexagon socket head cap screws, metric ISO 4762 - M5 x 50 - 10.9-flZn-240h-L Friction coefficient μtotal = 0.09 to 0.14, Tightening torque MA = 7+0.5 Nm, Material no. R913000064 |
Type HED 8 …K35
Dimensions in mm
|
1 |
Adjustment type "KW" |
|
2 |
Adjustment type "KS" |
|
3 |
Adjustment type "–" |
|
4 |
Adjustment type "S" |
|
5 |
Adjustment type "A" |
|
6 |
Adjustment type "AS" |
|
7 |
Seal ring |
|
8 |
Space required to remove the key |
|
9 |
Space required to remove the mating connector |
|
10 |
Hexagon SW27 (with adjustment type "KS") |
|
11 |
Internal hexagon SW10 |
|
14 |
Mating connector for connection "K35" (separate order) |
|
15 |
Mating connector suitable for "K35", angled (separate order) |
|
16 |
Mating connector for connection "K35", with cable (separate order) |
|
17 |
Valve mounting screws (separate order) for type HED 8 OH… 2 hexagon socket head cap screws, metric ISO 4762 - M5 x 55 - 10.9-flZn-240h-L Friction coefficient μtotal = 0.09 to 0.14, Tightening torque MA = 6+0.5 Nm, Material no. R913000261 |
|
18 |
Maximum diameter of the connection bore of the counterpart (type HED 8 OH…) |
|
19 |
Maximum diameter of the connection bore of the counterpart (type HED 8 OP…) |
|
20 |
Valve mounting screws (separate order) for type HED 8 OA… and …OP… 2 hexagon socket head cap screws, metric ISO 4762 - M5 x 50 - 10.9-flZn-240h-L Friction coefficient μtotal = 0.09 to 0.14, Tightening torque MA = 7+0.5 Nm, Material no. R913000064 |
Mounting
Type HED 8 OH… in vertical stacking NG6
|
1 |
Pressure switch HED 8 OH… for use in stacking assemblies (can be assembled staggered by 4 x 90°) |
|
2 |
Sandwich plate type HSZ 06A... for use of the pressure switch as stacking element |
|
3 |
Space required to remove the key |
|
4 |
Space required to remove the mating connector |
|
Mating connector |
H1 |
H2 |
H3 |
|
Port “K14”, without circuitry |
87 |
65 |
15 |
|
Port “K14”, with circuitry |
92 |
70 |
15 |
|
Port “K35”, angled |
92 |
70 |
10 |
|
Port “K35”, straight |
111 |
89 |
10 |
Type HED 8 OH… in vertical stacking NG10
|
1 |
Pressure switch HED 8 OH… for use in stacking assemblies (can be assembled staggered by 4 x 90°) |
|
2 |
Sandwich plate type HSZ 10A... for use of the pressure switch as stacking element |
|
3 |
Space required to remove the key |
|
4 |
Space required to remove the mating connector |
|
Mating connector |
H1 |
H2 |
H3 |
|
Port “K14”, without circuitry |
100 |
65 |
15 |
|
Port “K14”, with circuitry |
105 |
70 |
15 |
|
Port “K35”, angled |
105 |
70 |
10 |
|
Port “K35”, straight |
124 |
89 |
10 |
Accessories
Mating connectors for mechanical pressure switches with connector “K14”, without circuitry, standard
4P Z14
Mating connectors for mechanical pressure switches with connector “K14”, without circuitry, standard
4P Z14
- For mechanical pressure switches with connector “K14”, according to EN 175301-803 and ISO 4400, 3-pole + PE, “large cubic connector”
Mating connectors for mechanical pressure switches with connector “K14”, with indicator lights at connections 2 and 3
4P Z15L
Mating connectors for mechanical pressure switches with connector “K14”, with indicator lights at connections 2 and 3
4P Z15L
- For mechanical pressure switches with connector “K14”, according to EN 175301-803 and ISO 4400, 3-pole + PE, “large cubic connector”
Mating connectors for sensors and valves with connector “K24”, “K35” and “K72”, M12 x 1
4P Z24
Mating connectors for sensors and valves with connector “K24”, “K35” and “K72”, M12 x 1
4P Z24
- For sensors and valves with connector “K24”, “K35” and “K72”
- Mating connectors M12, 4-pole, line cross-section 0.75 mm2
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