Home
Cart

Cart

product added to request

Get an offer

Full name*

E-Mail*

telephone*

Company*

street*

place*

zip code*

country*

additional information

I agree that my details and data are collected and stored electronically in order to answer my enquiry.

Your cart

23 article(s) in your cart
pos.	image	product	Configure	Actions
1		T209
2		PVG-399
3		TK-313
4		W-35X
5		ES-20
6		EF2...5
7		VS-D250
8		ZDS-Serie
9		TSR-CAN-03
10		BI
11		KS-410 KS-420
12		XR Relais
13		TSL-CAN-03
14		EFV2 20…230V
15		TK-32X
16		TK-30X
17		TRM-100
18		KS-Serie
19		ZT Serie
20		TPS-410 TPS-420
21		XR-4x0 \| XR-4x1
22		T200.F
23		T204.F

PVG-399 configure

1 Ausführung

Amount

additional infomation

TK-313 configure

1 Gehäuse

2 Eingang

Amount

additional infomation

W-35X configure

1 Anschlussmaterial

2 Rohrmaterial

3 Flanschgröße

4 Mittenentfernung

Amount

additional infomation

ES-20 configure

1 Measurand

2 Safety-Function-1

3 Safety-Function-2

4 Direction

5 Measuringrange

6 Channel-Expansion

Amount

additional infomation

EF2...5 configure

1 Elektrodenanzahl

2 Verschraubungsmaterial

3 Stabmaterial

4 Stabdurchmesser

5 Elektrodenbeschichtung

6 Anschlussgewinde

7 Kabelbruchwiderstand

8 Auswerteelektronik

9 Stablänge

10 SIL2

Amount

additional infomation

VS-D250 configure

1 Ausgänge

2 Spannungsversorgung

3 Gehäuse

Amount

additional infomation

BI configure

1 Kontaktart

2 Kabelart

3 Kabellänge

4 Befestigung

Amount

additional infomation

EFV2 20…230V configure

1 Verschraubungsmaterial

2 Stabmaterial

3 Anschluss

4 Anschlussgewinde

5 Elektronikteil

6 Standaufnehmerlänge

Amount

additional infomation

TK-32X configure

1 Ausführung

2 Leuchtdiode

Amount

additional infomation

TK-30X configure

1 Rohrdurchmesser

2 Rohrmaterial

3 Gewinde

4 Ausführung

5 Schwimmerausführung

6 Anschluss

7 Rohrlänge

8 Auflösung

9 Zubehör

Amount

additional infomation

TRM-100 configure

1 Material

2 Measuringrange

3 Connection

4 Flange

5 Sealing

Amount

additional infomation

XR-4x0 | XR-4x1 configure

1 Kanalanzahl

2 Option

3 Gehäuse

4 Ausgang

5 Schaltverzögerung

6 Empfindlichkeitsbereich

7 Versorgungsspannung

8 Busanschluss

9 SIL

10 Ex

Amount

additional infomation

T209

Immersible Magnetic Probe made of PVC, PE, PPH, PTFE or stainless steel (1.4571)

Magnetic immersion probes for use with highly aggressive liquid media for detecting level limits in containers

Properties

connection : Polyesterdose | Aluminiumdose
Protection class EN60529 : IP 65 Anschlussdose
Connector plug : 3- und 6-fach
connection thread : G 1/8" | G 3/8" | G 1/4" | G 1/2" | G 1" | G1 1/4" | G1 1/2" | G2" | G3"
connection cable : LiYY max. 80 °C | PTFE-Litze, 0,24 mm² | Silikon max. 150 °C
Sliding tube length : max. 1000 mm (Rohr Ø 8 mm) | 6000 mm
Operating pressure : max. 20 bar
Viscosity : < 100 cp
Protection class EN60529 : IP 68 Führungsrohr
Switching voltage : max. 250 V
Switching hysteresis : ca. 2...5 mm
Holding range : ca. 12 mm
Contact function : monostabil | bistabil

Operating temperature

ltdata. : max. +60...+150 °C
ltdata. : min. –20... –10 °C
ltdata. : höhere oder niedrigere Temperaturen auf Anfrage

Switching capacity

Changeover contact : 60 W/VA
normally open : 100 W/VA
Normally closed contact : 60 W/VA

Switching current

Changeover contact : max. 1 A
NO/NC contact : max. 2 A

Contacts

Changeover contact : 8
normally open : 10
Normally closed contact : 7

PVG-399

PVC weight with magnet insert and eyelet for cable fixing

for actuating monostable and bistable contacts

Variants

32 : Außen Ø 25 mm x 175 mm, Gewicht ca. 180 g, geeignet für Rohraußen Ø 32 u. 34 mm bis 6m Länge
37 : Außen Ø 30 mm x 170 mm, Gewicht ca. 180 g, geeignet für Rohraußen Ø 40 mm bis 6m Länge
40 : Außen Ø 40 mm x 110 mm ca. 175g, geeignet für Rohraußen Ø 50 mm bis 6m Länge
4012 : Außen Ø 40 mm x 110 mm ca. 300g, geeignet für Rohraußen Ø 50 mm bis 12m Länge
4016 : Außen Ø 40 mm x 110 mm ca. 360g geeignet für Rohraußen Ø 50 mm bis 16m Länge
50 : Außen Ø 50 mm x 130 mm ca. 255g, geeignet für Rohraußen Ø 63 mm bis 6m Länge
5012 : Außen Ø 50 mm x 130 mm ca. 300g geeignet für Rohraußen Ø 63 mm bis 12m Länge
5016 : Außen Ø 50 mm x 130 mm, ca. 360g, geeignet für Rohraußen Ø 63 mm bis 16m Länge

TK-313

Evaluation unit with 2 change over limit contacts

The TK-313 limit comparator can be used in conjunction with our TK-30... continuous level sensors with 0(4)...20 mA or 0...10 V output signal for level control / measurement.

Properties

Protection class EN60529 clamp : IP 20
Protection class EN60529 front panel housing : IP 40
Operating temperature : –20...+60 °C
nominal voltage : 24... 230 V AC/DC
Power consumption : 2 VA
Dimensions housing type B : 22,5 x 114,5 x 99
Dimensions housing type C : 22,5 x 114,5 x 114

Input

power : 0/4...20 mA
Voltage : 0...10 V
Resistance in three-wire circuit RG : 0–4...10 kΩ

Output

Output contacts : 2 Wechselkontakte
Switching voltage : max. 250 V AC
Switching current : max. 3 A
Switching capacity : max. 500 VA
Temperature influence tolerance : max. ± 0,6 % der Signalspanne
Mounting : Tragschiene nach EN 50022
Current output : 4...20 mA bezogen auf die Masse des Eingangs
Display (%) : 2-stellig, 7-Segment
Weight : 175 g
ltdata. :

W-35X

Water Level Gauge with sight glass indicator

The water level gauge is particulary suitable for all liquid media which are aggressively hot and rapidly moved in a container, but are not too much contamined.

Properties

Tank connection : Flansch ab DN 25 oder Verschraubung ab G ½"
Material Float : PPH max. 2,5 bar, Glas max. 10 bar
cable length : bei monostabilem Kontakt: Standard 2 m
Number of contacts : beliebig
Contact distance : min. 10 mm
Temperature of the fluid : mit Plexiglasrohr max. +70 °C
media density : ρ ≥ 0,95 g/cm³ | ρ ≥ 0,85 g/cm³ (auf Wunsch)

Properties W-350

Material tube sight glass : transparentes PVC
Temperature of the fluid : max. +60 °C
Operating pressure : max. 2,5 bar
Material flange : PVC
Material connection with angle valve : PVC
Material sealing ring : Gummi

Properties W-351

Material tube sight glass : Hartglas, Plexiglas
Temperature of the fluid : max. +120 °C
Material flange : Rotguss
Material connection with angle valve : Rotguss
Material sealing ring : Silikon
Operating pressure with glass tube : max. 10 bar
Operating pressure with plexiglass tube : max. 2 bar

Properties W-352

Material tube sight glass : Hartglas, Plexiglas
Temperature of the fluid : max. +120 °C
Material flange : Edelstahl
Material connection with angle valve : Edelstahl 1.4571 als Bogen 90°
Material sealing ring : PTFE und Viton
Operating pressure with glass tube : max. 10 bar
Operating pressure with plexiglass tube : max. 2 bar

Properties W-353

Material tube sight glass : Hartglas, Plexiglas
Temperature of the fluid : max. +120 °C
Material flange : Edelstahl
Material connection with angle valve : Edelstahl 1.4401
Material sealing ring : PTFE und Viton
Operating pressure with glass tube : max. 10 bar
Operating pressure with plexiglass tube : max. 2 bar

ES-20

Pressure limiter | Pressure monitor | Safety pressure limiter | Pressure regulator | electronic safety switching device

TÜV-certified, type-tested electronic safety switching device (SIL2)

Properties

Operating voltage : 16...32 V DC (max. 5,9 W)
Dimensions : 150 x 60 x 42 mm (L x B x H)
Housing : Aluminium (eloxiert)
Protection class : IP65

Approvals

DGRL 2014/68/EU Kat:IV : Baumustergeprüft gemäß Druckgeräterichtlinie
DIN EN12263:1998 : Kälteanlagen und Wärmepumpen Sicherheitsschalteinrichtungen zur Druckbegrenzung -Anforderungen und Prüfungen; Kategorie IV
DIN EN378:2020 : Kälteanlagen und Wärmepumpen - Sicherheitstechnische und umweltrelevante Anforderungen
DIN EN61508:2011 : SIL2

Operating conditions

Pressure type : Relativdruck, Differenzdruck
Temperature of the fluid : -40…+125 °C
Ambient temperature : -20…+65 °C
Parts in contact with media : Edelstahl

Connections

Process connection Relative pressure : G 1/4 Innengewinde
Process connection differential pressure : G 1/8 Innengewinde
Analogue current output : 1 x 4...20 mA
Digital inputs/outputs : Konfigurierbar als 2 x Alarm oder 1 x Alarm und 1 x Fernentriegelung

Measuring range relative pressure

Nominal pressure : -1...500 bar variabel wählbar
Overload pressure : 2 x Nenndruck
Bursting pressure : 4 x Nenndruck
Setting accuracy : 0,1 % vom Nenndruck

Measuring range differential pressure

Nominal pressure : 0...1 mbar 0...10 mbar 0...50 mbar 0...100 mbar 0...250 mbar 0...1.000 mbar
Overload pressure : 10 x Nenndruck
Bursting pressure : 15 x Nenndruck
Setting accuracy : 0,1 % vom Nenndruck

EF2...5

Conductive Electrodes with general approval for constructions

Conductive electrodes type EF2...5 are approved by the “DIBt” (German Institute for Structural Engineering) as liquid level limit switches for the overfill protection of containers for storing water-endangering liquids

Properties

Protection class EN60529 : IP 65
connection thread : G1" | G1¼" | G1½"
Union nut : G2¾" | S 100x8
Operating temperature PE / PVC : atmospheric
Operating temperature PPH : 90°C
Operating temperature PTFE : 100°C
Operating pressure : atmospheric
Resistance value of line monitoring : 22 kΩ / 100 kΩ
Spacer form length > 1000 mm : 1 per 1000 mm
rod length : max. 6.000 mm
Rod diameter : 4mm | 6 mm

Material

Screw connection : PPH | PE | PVC | PTFE
Sensor rods : Edelstahl (1.4571), Hastelloy C, Titan, Tantal
Coating : PTFE
ltdata. :

VS-D250

Transmitter for ViscoScope viscosity sensors

Maximum flexibility for an optimal choice of measuring instrument: The VS-D250 transmitter is compatible with all ViscoScope® sensors of the types VA-100 and VA-300.

Properties

Output card socket : 2
External input : 0/4…20 mA | 0/2…10 V DC
Power supply : 24V DC, 12 W
Dimensions : 142 x 106 x 73 mm (L x B x H)
Front : RS232, MODBUS RTU (Standard)

Display and Operation

Lines : 4
Pages : 2
Character set : alphanumerisch
Buttons : 3 (front)

Alarms

system function :
sensor diagnosis :
Coil Temperature :
2 configurable LEDs :

optional outputs

0/4…20mA | 0/2…10V DC (active) :
RS232 | RS485 :
2 SPDT-Relays: RS232 | RS485 :

Filter

Moving average (200 measured values) :

ZDS-Serie

Precision pressure switch in robust design and first-class technical features.

Can be used in oil, brake fluid, diesel, air and other gases. With very good stability and overpressure resistance.

Properties ZDS-N

Pressure range (stepped) : 0...500 mbar
supply : 12 - 24 V DC
Output : Relais 230 V/1A
overload : 2 x Messbereich
Med. connection : Schlauch
electrical connection : Schraubklemme
feature : Tasten, LCD-Anz.

Properties ZDS-H

Pressure range (stepped) : 0...2.000 bar
supply : 24 V DC
Output : Relais 60 V AC/1A
overload : 1,5 x Messbereich
Med. connection : G 1/4 Zoll
electrical connection : Schraubklemme
feature : Tasten, LCD-Anz.

TSR-CAN-03

CANopen transmitter for temperature measurement in media

High-quality stainless steel transmitter for precise temperature measurement in all stainless steel-compatible media

Measurement parameters

Measuring range : -40…+80 °C (optional +150°C)
deviation : ± 0,3 K (-40…+80 °C)
Measuring element : Halbleiter
measuring resolution : 10 Bit
measuring grid : ab 5 ms

ElectricalConnection

CAN protocol : CANopen 2.0 A, nach ciA DS 404
Physical Layer : nach DIN 11898
Operating voltage : 12…27 V ±20 %

Operating conditions

Operating temperature : -40...+80 °C
Storage temperature : -40°C...+120°C
Shock resistance : 30g, Dauer: 14 ms bei Raumtemperatur
Vibration resistance : 10g bei 20 bis 1000 Hz

BI

Bistable Switch

Properties

Protection class : IP 65
Switching current : max. 1 A
Switching voltage : max. 24 V
Switching capacity : max. 20 W/VA

Material

Housing : Messingrohr Ø 10 x 1
Cable : TPK (PVC basis) | SIL (Silikon)

Operating temperature

TPK : –15 ° ... + 60 °C
SIL : –15 ° ... +130 °C

KS-410 KS-420

Sensors for temperature & humidity measurement in aluminium or polycarbonate housing

The KS series sensors are modular temperature and humidity measurement sensors in compact housings for use in almost any application.

Specifications

Housing shapes : Stabform | Alu- oder Polycarbonatgehäuse
measurands : Temperatur | relative Feuchte
Measuring range : -40...+80 °C | 0...100% rH
Signal output : 0...10 V oder 4…20 mA
Power supply : 12...30 V DC | 24 V DC

properties KG-410

Operating voltage : 12...30V DC
Power consumption : < 15mA

properties KG-420

Operating voltage : 24V DC
Loop voltage min: : Bürde(Ohm) *0,02 + 8 V
Loop voltage max: : 30V

General properties

Housing : Alu-Gehäuse mit Edelstahlstab oder Polycarbonat
Dimensions (LxBxH in mm) : 30 x 45,4 x 97,3
Protection type/class : Gehäuse IP66, Stecker IP 67
Weight : 96g

Measuring range

measuring range (Humidity) : 0…10% rH
Measuring accuracy (humidity) : ± 2%
measuring range (Temperature) : -40...+80°C
Measuring accuracy (temperature) : ± 0,2°C
Signal output : 0...10V | 4...20mA

XR Relais

Electrode relays and contact protection relays

The electrode relays are used for conductive level detection. levels. The possible applications extend areas where conductive, liquid media are to be detected, controlled to be detected, controlled or regulated. Hereby level detection (overflow / dry run) as well as minimum / maximum as well as minimum / maximum controls can be realised. The contact protection relays are universal measuring transducers, which input signals (resistance values) with "Namur" specification (DIN EN 60947). Namur" specification (DIN EN 60947) into switching signals of floating output contacts.

Protection class EN60529

clamp : IP20
Housing : IP40

Technical Data

Operating temperature : -20...+60 °C
Storage temperature : -30...+80 °C
Output contacts : potentialfrei
Switching voltage : min. 5 V | max. 250 V AC / 150 V DC
Switching current : min. 5 mA | max. 5 A AC / 5 A DC
Switching capacity : min. 300 mW | max. 100 VA / 50 W
Quiescent current : umschaltbar
Weight : ca. 250 g
CE marking : siehe Konformitätserklärung
Ex-protection/IECEx : siehe Prüfbescheinigung

TSL-CAN-03

Temperature sensor with CAN bus interface for air temperature measurement

CANopen transmitter for temperature measurement in media, semiconductor sensor

Properties

Measuring range : -40…+80 °C
deviation : ± 0,3 K (10...80 °C)
Measuring element : Halbleiter-Diodenfühler
measuring resolution : 0,1 K
measuring grid : ab 5 ms

ElectricalConnection

CAN protocol : CANopen 2.0 A, nach ciA DS 404
Physical Layer : nach DIN 11898
Operating voltage : 10...48 V

Operating conditions

Operating temperature : -40...+80 °C
Storage temperature : -40°C...+120°C
Shock resistance : 30g, Dauer: 14 ms bei Raumtemperatur
Vibration resistance : 10g bei 20 bis 1000 Hz
Minimumairspeedrequiredformeasurementacrossthesensor : 1,5 m/s

EFV2 20…230V

Conductive electrodes with 24...230 V direct connection

The overfill protection EFV2 (24...230 V AC/DC) is approved by the "DIBt" as overfill protection for liquids hazardous to water.

Properties

connection : Polyesterdose (PO)
Protection class : IP 65
connection thread : G2"
Union nut : G2¾" | S 100x8
Material Screw connection : PE, PVC, PPH, PVDF
Material Sensor rods : Edelstahl (1.4571), Hastelloy B, Hastelloy C, Titan, Tantal, Kohlestifte
Operating pressure : atmosphärisch
Resistance value of line monitoring : 100 kΩ
Adjustable sensitivity range : 2..100 kΩ

Operating temperature

PE : atmosphärisch
PVC : atmosphärisch
PPH : 90 °C
PVDF : 100 °C

Power supply

nominal voltage : 24...230 V AC/DC
Power consumption : ≤ 2 W

Output

potential-free changeover contacts : 2
Switching voltage : max. 250 V AC / 30 V DC
Switching current : max. 5 A AC / 5 A DC
Switching capacity : max. 750 VA / 90 W
displays : Betriebs- LED grün Funktions-LED rot
Switching delay : ca. 0,5 s

TK-32X

Luminous Row Displays

Luminous row displays of type series TK-320...TK-322 are used for visually displaying process states such as filling levels.

Type

TK-320 : Schaltschrankeinbaugehäuse 24 x 96 mm
TK-321 : Schaltschrankeinbaugehäuse 24 x 96 mm
TK-322 : 19” Karteneinschub 7 TE, 3 HE

Properties

Protection class EN60529 : IP 52
Operating temperature : – 20 °C...+60 °C
nominal voltage : 24 V DC...230 V AC
Input : 0(4)...20 mA | 0(2)...10 V DC | 5...10kΩ
Output : 4...20 mA | Bürde max. 500 Ω
Relay : 2 x Umschalter max. 230 V | min. 5 V | max. 3 A | min 1 mA

Display

Number of LEDs : 33 (rot/grün); 32 (TK-322)
Resolution : ca. 3,5 %
Error : ± 1 LED
connection : Schraubklemmen
connection TK-322 : Steckerleiste
Input : 0(4)...20 mA | 0(2)...10 V DC | 5...10kΩ
Output : 4...20 mA | max. load 500 Ω
Relay(2xSwitch) : max. 230 V | min. 5 V
Relay(2xSwitch) : max. 3 A | min. 1 mA

TK-30X

Liquid Level Measuring Instruments Series

T30... continuous magnetic immersible probes are used for quasi-acquisition of the filling level in containers with liquid media.

Properties

connection : Polyesterdose | Aluminiumdose | Stecker nach DIN 43650
connection thread : G 3/8”, G 1/2”, G 1”, G 1 1/2”, G 2”, G 3”
connection cable : LiYY max. 80 °C | Silikon max. 130 °C
Sliding tube length : max. 6000 mm
Operating temperature : max. +60...+130 °C | min. –20...–10 °C je nach Ausführung
Operating pressure : max. 20 bar je nach Ausführung
media density : siehe Schwimmerdaten
Viscosity : < 100 cp
Switching hysteresis : ca. halbe Auflösung
Resolution : 7,5 mm, 10 mm, 15 mm, 20 mm oder 1 %, 2 %, 5 % je nach Ausführung
Total resistance : ca. 5 kΩ
Measuring voltage : max. 24 V
Measuring current : max. 5 mA

TRM-100

Turbidimeter (0...1.000 FNU or 500...4.000 FAU)

The turbidimeter TRM-100 is a compact device for measuring turbidity in liquids. The "turbidity" is measured using the scattered light method (angle 90 degrees) for the turbidity range of < 1,000 FNU (Formazine Nephelometric Units) and the transmitted light method (angle 0 degrees) for the turbidity ranges > 1,000 FAU (Formazine Attenuation Units).

Properties

Operating pressure : max. 10 bar @ 20 °C | max. 2,5 bar @ 60 °C
Measuring range : 500...4.000 FNU / FAU
Measuring accuracy : +/-5 %
Mounting position : horizontal
Process connection : DN 20 | DN 40
Flange connection : >= DN 20
number of senders : 2
number of receivers : 1

Material

Seal : EPDM | optional FPM (Viton)
Process connection : PVC | PPH
Measuring tube : Borsilikatglas mit Nano Beschichtung

Input

Power supply : 18...30 V DC
Power consumption : < 2 W

Output

Output contact : 4...20 mA
Switching delay (adjustable) : 1...10 s
Protection class : IP 65
Switching voltage : max. 250 V AC | max. 115 V DC
Switching current : max. 3 A
Switching capacity : max. 500 VA, 60 Watt
Potential-free changeover contact : 1 @ 1...10 s

KS-Serie

Sensors for temperature & humidity measurement

The KS series sensors are modular temperature and humidity measurement sensors in compact housings for use in almost any application.

Specifications

Housing shapes : Stabform | Alu- oder Polycarbonatgehäuse
measurands : Temperatur | relative Feuchte
Measuring range : -40...+80 °C | 0...100% rH
Signal output : 0...10 V oder 4…20 mA
Power supply : 12...30 V DC | 24 V DC

ZT Serie

Reliable pressure measurement and optimum process monitoring with the ZT series

From low to high pressure and suitable for liquid and gaseous media.

Properties

Pressure type : Relativdruck | Absolutdruck
Housing : Edelstahl
Overpressure : 1,5* fach bis 400 bar, darüber 1,2* fach
Bursting pressure : 3* fach bis 600 bar, darüber 1,5* fach

Measurement parameters

response time : < 1 ms
Total error : ≤ 0,5 % FS
Non-linearity : ≤ 0,2 % FS
Non-repeatability : ≤ 0,10 % FS
Hysteresis : ≤ 0,15 % FS

ambient conditions

Temperature of the fluid : -40...+125 °C (0...+80 °C kompensierter Bereich)
Ambient temperature : -40...+105 °C
Storage temperature : -40...+125°C
Shock resistance : g 1000 gemäß IEC 60068-2-32
Vibration resistance : g 20 gemäß IEC 60068-2-6

TPS-410 TPS-420

Compact, analogue dew point sensor

The dew point sensors of the enable direct measurement of the dew point and ambient temperature indoors and outdoors.

Properties TPS-410

Operating voltage : 12...30V DC
Power consumption : < 15mA
Protection class : Gehäuse IP66, Stecker IP 67
Weight : 96g

Properties TPS-420

Operating voltage : 24V DC
Loop voltage min: : Bürde(Ohm) *0,02 + 8 V
Loop voltage max: : 30V

General properties

Housing : Aluminium, eloxiert
Dimensions (in mm) : 135 x Ø 19,2

Measuring range

measuring range (dew point) : -50…+80 °C
Measuring accuracy (humidity) : ± 2%
measuring range (Temperature) : -40...+80°C
Measuring accuracy (temperature) : ± 0,2°C
Signal output : 0...10V | 4...20mA

XR-4x0 | XR-4x1

Electrode relay with ATEX

Protection class EN60529

clamp : IP20
Housing : IP40

Technical Data

Operating temperature : -20...+60 °C
Storage temperature : -30...+80 °C
Output contacts : potentialfrei
Switching voltage : min. 5 V | max. 250 V AC / 150 V DC
Switching current : min. 5 mA | max. 5 A AC / 5 A DC
Switching capacity : min. 300 mW | max. 100 VA / 50 W
Quiescent current : umschaltbar
Weight : ca. 250 g
CE marking : siehe Konformitätserklärung
Ex-protection/IECEx : siehe Prüfbescheinigung

T200.F

Overfill protection for containers

Level sensors type T-20_.F... are approved by the DIBt (German Institute for Structural Engineering) as liquid level limit switches for the overcharge protection of containers for storing water-dangerous liquids.

Connection