Rod blocking device

Product catalog summary

Overview: The document describes a rod blocking device designed for use with a rod bore of 25. It is primarily used to block a cylinder in case of pressure drop or to stop movement at an intermediate position. The device can be configured as normally locked or normally open, depending on the pneumatic signal applied.

Specifications:

Materials: The body is made of anodized aluminum, internal parts and pistons are made of brass, and springs are made of steel.
Minimum Actuating Pressure: 4 bar (0.4 MPa).
Temperature Range: -10°C to +80°C.
Construction Type: Mechanical bi-directional.
Function Types: NC (normally closed, pneumatic piloted unlock) and NO (normally open, pneumatic piloted lock).
Locking Force: NC: 14130 N, NO: 15700 N, NC with air: 22000 N.
Fluid: 20μ filtered air, with or without lubrication.

Functionality: The device uses a wedge system activated by appropriately sized springs to oppose the movement of the cylinder rod. A pneumatic command neutralizes the spring action. It can function as normally open, where pneumatic command locks the rod, or normally closed, where pneumatic command unlocks the cylinder, useful for pressure drop scenarios.

Dimensions: Key dimensions include A = 99.4, B = 182.6, C = 20, and D = M5.

Catalog excerpts

FRCBSC 1 ERRE.DI. srl Rod blocking device The rod blocking device can be used with rode bore 25. The device is normally locked. It is unlocked by applying a pneumatic signal. Therefore it is possible to block the cylinder in case of pressure drop or to stop the movement in intermediate position . If the devise is used normally open, the pneumatic is used to lock the cylinder. Materials Body: aluminium (anodize treatment) Internal parts: brass Pistons: brass Springs: steel Bloccastelo Il bloccastelo è un dispositivo meccanico da applicare su barre tonde di alesaggio 25. È costituito da un sistema a cunei che, sotto l’azione di molle opportunamente dimensionate, si oppongono allo scorrimento dello stelo del cilindro. Inviando un comando pneumatico l’azione delle molle viene neutralizzata. Il dispositivo può funzionare normalmente aperto, dove il comando pneumatico serve per bloccare lo stelo, o normalmente chiuso dove la pneumatica è usata per sbloccare il cilindro. In quest’ultimo caso è utile per bloccare il cilindro in caso di cadute di pressione. Materiali Corpo: alluminio anodizzato Ganasce di bloccaggio: ottone Pistoni: ottone Molle: acciaio armonico

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FRCBSC 2 ERRE.DI. srl Pressione minima di pilotaggio Minimum actuating pressure 4 bar 0.4 MPa Temperatura di esercizio Temperature range Min - 10 °C Max + 80 °C Funzionamento Construction type Meccanico bidirezionale Mechanical bi-directional Tipologia Function NC (sblocco a comando pneumatico) NO (blocco a comando pneumatico) NC (pneumatic piloted unlock) NO (pneumatic piloted lock) Forza di bloccaggio Locking force NC NO NC + aria (air) forza (N) 14130 15700 22000 force (N) Fluido Fluid Aria filtrata 20ì con o senza lubrificazione 20ì filtered, lubricated or non lubricated air A = 99.4 B =...

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