Haake Technik/Safety Bumper
Haake Technik Safety edges HSC
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Haake Technik Safety mats HSM
safeguarding hazard areas across the entire floor
Machines are frequently associated with hazard areas for your employees. Some operations of a machine within a certain radius can lead to serious injuries. Organisational measures such as labelling or marking have proved to be insufficient. It goes without saying that the immediate danger areas of machines and plants may only be accessed when the machine or system is switched off. Our safety mats are ideal for this type of protection
Safety mats HSM
Data sheets
Haake Technik Safety Bumpers HSB
Protection for machines with high moment of inertia and long stopping distance
Protection of shearing and crushing points for large and heavy power-operated facilities such as hangar doors, theatre stages or automated guided vehicle systems (AGVs) pose a particular challenge because they have a high moment of inertia and long stopping distances.
Our safety bumpers HSB which are able to absorb longer braking distances serve to protect against these kinds of hazards. They operate according to the highly effective and reliable normally closed contacts principle and ensure that the automatic actuation is stopped immediately upon contact, e.g. with part of a body.
Switching buffer - Bumper HSB
Data sheets
Haake Technik Trapped-Key Interlocking Systems HST
To protect the operator, most often dangerous machines and systems are fitted with protective barriers and gates. Apart from using this kind of so-called separating protective devices, it is essential to prevent the triggering of a potentially dangerous machine function under specified conditions in order to ensure the safety of the operating personnel. Which means:
- the dangerous machine or system must be stopped if the safety door is not closed and locked.
- Any functioning of the dangerous machine must remain completely disabled or stopped for as long as the safety door is not closed and locked.
Such safety critical tasks are performed by so-called key transfer systems.
Solenoid controlled switch HST-ME2
60056 / VC0001788
Solenoid controlled switch HST-MA2
60056 / VC0001807
Overview of the most important system components:
Interlocking device HST®-LS
The interlocking device HST®-LS is used as an attachment to existing switchgear or control units. The standard version is equipped with a 9.5 mm square bolt for actuating levers or special switching device adapters. By turning the key, the switching device is turned off; the key is released and can be removed.
Bolt lock HST® B
The bolt lock HST®-B is used for locking switching devices (circuit breakers, disconnectors, earthing switches etc.). By turning the key, the bolt moves into a corresponding recess on the handle or the control unit of the switching device and locks. The key can be removed only in this position.
The bolt lock HST®-B is not suitable for locking guard doors, flaps or similar.
Switching element HST® S
The switching element HST®-S is used to switch off a machine / danger point. A switch is actuated by turning a key. The key is released and can be removed. The switching element HST®-S is supplied as a panel version (as shown) or in metal case.
Solenoid controlled switch HST®-M
The solenoid-controlled switch HST®-M is used on machines with run-down time. The key can be removed only if a signal from the machine control is present that the dangerous movement has stopped. An illuminated pushbutton indicates the standstill. You have to press this button to remove the key.
Turning the key activates a rotary switch with selectable contact configuration. The solenoid-controlled switch HST®-M is supplied as a panel version (as shown) or in metal case. Versions with one and two locks are available.
Access lock HST®-TS1
The access lock HST®-TS1 consists of a lock and a locking bolt part and can be used on swing and sliding doors or flaps. Versions with different locking bolt positions are available.
Insert the key to open the guard door or flap. The locking bolt can then be rotated by 90 ° and removed. The key is trapped.
Access lock HST®-TS2
The access lock HST®-TS2 features 2 locks and is used in applications with accessible area. The operator takes the second, personal key into the danger zone. This personal key can also be used for other functions (e.g. teach mode), or the operator can carry the personal key along as described previously.
Before the personal key visible in the picture can be removed, a matching key must first be inserted and turned in the empty lock part. The personal key can now be removed, and the previously inserted key is trapped.
Access lock HST®-TZ1
The access lock HST®-TZ1 features a flexible slam-type locking actuator mechanism and can be used without any problems on misaligned or sagging doors and flaps.
Different versions with numerous actuator orientations are available. Insert and turn the key to open the guard door or flap. The actuator is pushed out of the lock part. The key is trapped.
Access lock HST®-TZ2
The access lock HST®-TZ2 features 2 locks and is used in applications with accessible area. The operator takes the second, personal key into the danger zone. This personal key can also be used for other functions (e.g. teach mode), or the operator can carry the personal key along as described previously.
Before the personal key visible in the picture can be removed, a matching key must first be inserted and turned in the empty lock part. The personal key can now be removed, and the previously inserted key is trapped.
Key change device HST®-W5
The key change device HST®-W5 is used to increase the number of keys of a trapped-key interlocking system. One or more primary keys are inserted to release the desired number of secondary keys.
Typically, a key change device is installed as interlink between the switch and guard doors.
Key change device HST®-W10
The key change device HST®-W10 is used to increase the number of keys of a trapped-key interlocking system. One or more primary keys are inserted to release the desired number of secondary keys.
Typically, a key exchange station is installed as interlink between switch and guard doors.
Haake Technik Valve locking systems HSV
The key to system and process safety
Fittings and valves play a key role across a number of industrial production lines and energy networks. In these areas they perform important functions for safety and process control. For this reason, their correct setting and operation is decisive for the functional safety of entire systems.
In this regard, chains, padlocks and organisational measures such as Lockout-Tagout procedures (LOTO) do not offer sufficient protection against incorrect operation. The key to system and process safety: the use of valve interlocking systems.
What is a valve interlocking system?
Valve interlock systems provide a fail-safe system for the controlled opening and closing of valves. They are used whenever a specific opening and closing sequence for several valves is involved for the purpose of accident prevention, protection of materials, or guaranteeing process safety.
A simple and safe-to-use interlock system guarantees the best possible protection against physical injury and/or damage to assets or the environment.
Some typical applications for valve interlocks include:
Valve locking and key transfer system
In this example we want to change from one medium (orange) to the other medium (yellow). It shall be prevented that both media mix. Step 1: Key (A-red) is inserted into the right-hand lock (medium-orange) by the authorized employee. The right valve is closed. Key (B-blue) becomes free and can be removed. Step 2: Key (B-blue) is now inserted into the left lock (medium yellow). The left valve is opened and key (C-green) becomes free. This key is now removed by the authorized employee and can be used for further use.
Functionality and structure
Based on the safety requirements of your individual application, we will be happy to develop your own customised valve interlock system. We offer a broad range of various components for your valve interlock system.
The key to plant- and process safety
The valve interlocks as well as the keys are made of stainless steel. Individual coding guarantees the highest level of safety. It is not possible to have copies made of the keys (as can be done with simple padlock keys) due to the unique design and coding of each key.
The coded keys have been designed with ergonomics in mind and offer ease of use due to their shape, even when wearing heavy-duty safety gloves. There is no up or down position of the key. The coded keys can therefore be inserted into the lock from either direction. Inserting a key by just a few millimetres into the lock is sufficient to know that there is a correct match of key and lock.
These features guarantee a speedy workflow. Coloured tagging makes it easy to match the keys with the corresponding interlocks. Up to four lines of text are available for customer specific engravings.
Valve interlocks HSV-Q
Valve interlocks HSV-Q are utilised for lever-actuated valves such as ball valves, shut-off valves and plug valves. All types of valves that operate with a 90° or 180° rotation can be fitted with HSV-Q valve interlocks.
Standard delivery includes a stainless-steel lever that is available in different lengths. The interlock can be perfectly aligned at different positions on the valve to guarantee optimal access to the key slots.
Valves that are already in operation can also be fitted retrospectively with HSV-Q valve interlocks without damaging or changing the valve fittings or seals.
During installation of the HSV-Q, the valve body remains unchanged; the existing lever is replaced as part of the valve interlock assembly includes a replacement ever which corresponds to the size of the original lever. The valve interlock can be supplied with either one or two operating keys depending on the type of system control required.
Valve interlocks HSV-R
Valve interlocks HSV-R are utilised for valves actuated by hand wheels such as slide valves, gate valves or gear box operated valves.
The number of rotations required for opening or closing varies depending on the type of valve. For this reason, the valve interlocks HSV-R are equipped with a count-release mechanism that adapts the locking action to the number of rotations required for corresponding final position. In this way, any valve position can be set as the locked open or closed position.
The valve interlock assembly includes a replacement hand wheel which corresponds to the size of the original hand wheel. The valve interlock can be supplied with either one or two operating keys depending on the type of system control required.
Anti-tamper locks HSV-M-AT
Anti-tamper locks HSV-M-AT protect against unauthorised actuation of valves, vandalism, or theft. This type of technology is currently used in petrochemical, gas and water treatment plants around the world. A mechanism in the body of the lock ensures that the lock rotates freely around the internal drive spindle of the body. No force is transferred to the spindle in this state and the valve cannot be operated. The coded key must be inserted to engage the drive spindle and hence to open or close the valve.
HSV-AT anti-tamper locks are suitable for any type of valve (ball, butterfly y, gate, globe, gear box driven, slide valves etc.) and come equipped with either a lever or a hand wheel.
Locking device HSV-CL (Pig trap door locks)
The locking device HSV-CL is an integral part of a valve interlocking system that controls access to pig trap launchers and receivers. The valve interlock control system will ensure that all pressure and residual material is removed from the pig trap before the door can be opened.
Key change device HSV-X
The purpose of the HSV-X key exchange unit is to release or trap keys according to a pre-determined sequence and in accordance to the valve interlock system requirements.
The special HSV-X-HAST model combines the keys of the HSV valve interlocks with those of the HAST door interlocks by Haake Technik.
Key cabinet HSV-KC
The purpose of the HSV-KC key cabinet is to facilitate the local supervision and monitoring of valve interlock keys. Different cabinet sizes are available.
Every key slot on the cabinet is individually coded and assigned one matching key only. Colour codes and numbers make it easy to match the corresponding keys.
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