Pneumatic Instruments
Reducer Filter Model 970-SB Fully metallic Reducer Filter (aluminium body and galvanised steel caps), highly resistant to shocks; it regulates the pressure of gaseous fluids (compressed air, gases etc…) and filters them through a sintered steel cartridge, 1/4’’NPT-F process connections, suitable for the regulation of input pressures as high as 10.5 ATM. |
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Reducer Filter Model 970-SS
Reducer Filter entirely made of STAINLESS STEEL, highly resistant to shocks; it regulates the pressure of gaseous fluids (compressed air, gases etc…) and filters them through a sintered stainless steel cartridge; 1/4’’NPT-F process connections; suitable for the regulation of input pressures as high as 10.5 ATM. |
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Description Reducer Filter Models 970-SB e 970-SS
Correct running of pneumatic equipments in industrial processes depends, most of cases, on steady and safe feed, i.e. feed realized by air being continuously pressure controlled and filtered too. Domizi Snc included in their products range also the Filter 970, and in order to extend application possibilities, they produce it in two different versions, with outer chamber in Carbon steel, and in Stainless steel AISI 304; both versions can be fixed on the same line of air pipe, or on a wall thanks to L bracket, or fixed on the back of a panel : as described below. |
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Model 58S
The 58S high-pressure Selector Relay selects the higher of two pneumatic signals and directly transmits the selected signal to the downstream system item. There is no feedback, so this relay doesn’t cause any delay. GENERAL INFORMATION AND OPERATION: |
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Model 61F and 61FE The 61F low-pressure Selector Relay selects the lower of two pneumatic signals and transmits the pressure signal to the downstream system item. GENERAL INFORMATION The Booster Relay Model 61F selects the lower of two signals and releases it directly to the next element of an instrument circuit. OPERATION as a Low Pressure Selector Relay When the input pressure “A” is lower than the input pressure “B” the selector reproduces the input pressure “A” . When the input pressure “B” is lower than the input pressure “A” the pilot valve remains fully open and the input pressure “B” is transmitted directly trough the relay. OPERATION as a Booster Relay When the input pressure is increased, the diaphragm assembly moves downward opening the supply air port of the pilot valve. The output pressure then increases until the output pressure, which creates a force under the diaphragm assembly, balances the input pressure which creates a force above the diaphragm assembly. When the diaphragm assembly is in balance, the pilot valve will shut off the supply air. When the input pressure is decreased, the diaphragm assembly moves upward and opens the pilot valve exhaust port. The output pressure will bleed down until the output pressure and input pressure balance the diaphragm assembly. This will shut off the exhaust. The Model 61FE Booster Relay is similar to the model 61F.The main difference is that the 61FE includes a 1/8” NPT connection for those applications where a tapped exhaust is required. MATERIALS OF CONSTRUCTION: Aluminium body, membrane neoprene ,stainless steel , brass. |