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Metal Work Deutschland Products

Leader of pneumatic components.

Metal Work Deutschland GmbH
Air valve technology, general
CM Clever Multimach
Clever Multimach valves can be used to form autonomous and intelligent valve island subsystems.
Each valve has a microchip that performs a series of functions connected with operation and dialogue with the valves before and after it. Valves communicate via serial transmission.
CM refers to the communication protocol patented by Metal Work. It is a field-bus in its own right, designed specifically for very easy control of islands of pneumatic solenoid valves.
CM valves have a diagnosis system that detects electrical faults. It can also be used to verify during installation that all connections are correct. Multi-pole connections and field buses with different communication protocols are available for controlling the valve distribution island.
Addressing of single outputs is not required as the connection number of each solenoid pilot is assigned automatically based on the position occupied by the valve.
  • CM Clever Multimach
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Valves Series 70
Ventile Reihe 70
Air valve technology, general
Metal Work Deutschland GmbH
Air valve technology, general
Valves Series 70
The Series 70 forms part of Metal Work’s full range of traditional valves.
They are available in sizes 1/8”, 1/4”, 3/8” and 1/2”, versions 3/2, 5/2, 5/3 and double 3/2, with mechanical, manual, pneumatic and electric drives.
They can be installed in line, onto a wall, on the cylinder (using a special bracket) or in series (on a multiple or modular base) to suit all possible applications.
These highly reliable valves comply with the main applicable standards, including Atex, ISO13489 and SIL, as stated in the documents and certificates available online.
  • Valves series 70
  • Series 70 Solenoid/Pneumatic
  • Series 70 Hand operated
  • Series 70 Mechanically
  • Series 70 Pneumatic
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Minivalves, mechanically and hand operated Series VME
Miniventile Reihe VME
Air valve technology, general
Metal Work Deutschland GmbH
Air valve technology, general
• Minivalves with 3/2 NO NC poppet,
• Installation in any position
• Push-in fittings for pipe Ø 4 mm and M5 on the valve body
• Low actuation force
• Rapid, accurate signal
• Mechanical actuation
• The 2 places adapter allows manual actuation of 1 or 2 VME valves with manual Ø 22 panel actuators. Thus it is possible to obtain 3/2,´5/2, 5/3 open centre and 5/3 pressure centre pneumatic functions.
• On request, it is possible to place a NC-NO electric switch next to VME valve for mixed solenoid/pneumatic signals.
  • Minivalves series VME
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Valves Series PEV pedal operated
Valves Series PEV pedal operated
Air valve technology, general
Metal Work Deutschland GmbH
Air valve technology, general
Valves Series PEV pedal operated
The valves series PEV with pedal are available in a wide range:
• 5/2 1/4” monostable and bistable with guarded pedal
• 3/2 M5 monostable, pedal not guarded
• 3/2 Ø 4 monostable, pedal not guarded
• 3/2 M5 in monostable and bistable configuration with guarded pedal
• 3/2 Ø 4 in monostable and bistable configuration with guarded pedal
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Valves Series 70 SAFE AIR®
Series 70 Single
Air valve technology, general
Metal Work Deutschland GmbH
Air valve technology, general
Valves Series 70 SAFE AIR®
Starting from the robust and reliable valves series 70, we have added a few distinctive features, such as the presence of a valve status diagnostic system and the creation of a double communication channel guaranteeing redundancy of the architecture.

The simplest version is obtained from a pneumatically-operated 3/2 monostable valve. It is well known that when this type of valve is in the idle state (coil de-energized), port 1 is not connected to the downstream pneumatic circuit and port 2 is on relief; when the valve is operated (coil energized), port 1 is connected to port 2. When the coil is de-energized again, the valve is returned to the idle state (and hence port 2 relieves) by means of a spring that returns the spool to the home position. In the event of a failure, the spool may remain in the actuation position, even when the coil is de-energized, thus leaving port 2 pressurized. To offset this problem, we have added a Hall-effect sensor that reads the spool position.

This means that when the valve is deactivated, the sensor is in the ON state, when the valve is activated, the sensor is in the OFF state. A status in which the sensor is OFF state and the coil de-energized indicates that there is a problem. To reduce the probability of risk during plant maintenance, the manual actuator mounted on the electric control is the monostable type. The sensor inside the valve is available in the standard version with a 2.5m three-wire cable (standard or ATEX certified) or with an M8 connector and 300 mm cable. This valve, which is available in sizes 1/8”, 1/4” and 3/8”, is a category 2 component, according to ISO EN 13849, and is suitable for use in safety circuits up to PL = c.

For applications requiring higher performance levels, we have also develop a double-channel version (redundant) that requires the use of two valves series 70 with a monitored spool arranged so that port 2 of valve 1 is connected with port 1 of valve 2. If just one of the valves de-energizes, port 2 relieves, so, even if one of the two spools remains blocked, the other guarantees relief of the compressed-air circuit. In this case, too, the presence of spool position sensors can be used to monitor the status. The double valve, which is available in the size 1/8”, 1/4” and 3/8” as well, is a category 4 component according to ISO EN 13849 and is suitable for use in safety circuits up to PL = e. Both the single- and double-channel valves come with:
- a Type-Approval certificate no. P14056/14/MC/mc and no. P14100/14/MC/mc, issued by Bureau Veritas in accordance with EN ISO 13849;
- a certificate of compliance no. CV 013-12-2014 and no. CV 014-12-2014 to European Machinery Directive, issued by Bureau Veritas.
  • Series 70 Sigle
  • Series 70 Double
  • ISO 5599 Single
  • ISO 5599 Double
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10-mm Solenoid Valves Series PLT-10
Magnetventile Reihe PLT-10
Air valve technology, general
Metal Work Deutschland GmbH
Air valve technology, general
PLT-10 solenoid valves are the latest development in modern pneumatic design, where the main trends focus on miniaturisation, enhanced performance, reduced power and reliability.
Numerous versions are available, all with an ISO 15218 pneumatic interface. The power required to operate the PLT-10 has been greatly reduced, ranging from 0.3 to 0.8 Watts. It is available with a LED indicating when it is active. Monostable manual control is also possible. None of the versions will get damaged if the polarity is accidentally inverted.
  • Solenoid valves series PLT-10
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Bases for PLT-10 multiple connection
Bases for PLT-10 multiple connection
Air valve technology, general
Metal Work Deutschland GmbH
Air valve technology, general
Series PLT-10 solenoid valves can be mounted on bases complete with electrical and pneumatic connections, from 4 to 24 positions. The electric contacts of each valve are linked to a single multiple connector via a printed circuit board. The connector has 9 pins or 25 pins, depending on the model and the number of valves that can be mounted. Versions with 25-pin connectors can interface with standard field buses by means of Profibus-DP modules for Multimach. The compressed-air supply is common to all the valves and can be provided on either side of the base by means of a 1/8” fitting. Connection to the utilities is via automatic integrated cartridges for Ø 4 pipe. The solenoid valve outlet is free, in a slot in the base. The bases can be secured from above using M3 screws, or on a DIN bar using a bracket (see accessories). The bases can mount various types of PLT-10 solenoid valves: 3/2 NC, 3/2 NO, with or without a manual actuator. With this modular system, you can select the desired sequence of valves (NC, NO, blind) and change it at any time.
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