Brochure accessories
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Engineering GREAT Solutions

04 AL: Air-lock 101 Device 06 AV: Volume Booster 08 BD: Derivative Booster 10 BV: Big Volume Booster 12 BW: Ultra High Capacity Booster 14 CF: Fast Commutator 16 CO: 3-Way Pneumatic Operating Valve 20 CS: Quick Exhaust 22 GR: Manual Override 24 MC: Motion converter 26 SAR: Snap acting relay 28 SL: Exhaust Protection System 30 TP: Pneumatic Pressure Switch 32 UD: Derivative Unit 34 2030: Electronic Position Transmitter 36 2130: Limit Switch

BV: Big Volume Booster Capacity Booster CF: Fast Commutator Operating Valve CS: Quick Exhaust GR: Manual Override MC: Motion Converter SAR: Snap Acting Relay Protection System Pressure Switch UD: Derivative Unit Position Transmitter

AL: Air-lock 101 Smart IMI STI / FasTrakDevice Positioner AL: Air-lock 101 Device The Air-Lock pressure static device (model AL) is composed of a TP Pneumatic pressure switch (see page 30) combined with 2 x 3 way valves ND 1/4” (see page 16) in a single body. The Air-Lock pressure static device is mounted on pneumatic actuators when they need to be isolated from control devices (for example positioners or electro-pneumatic distributors) in the event air pressure falls below the pre-determined operating safety point. The Air-Lock device consists mainly of a pneumatic pressure switch with an...

Technical specifications Materials Pilot signal connection Output connections Operating temperature* Inlet = 1 Aluminium = 1kg -20°C to 70°C Outlet = 1 Stainless steel 316 = 2.5kg -20°C to 85°C available on request Operating pressure * Lower or higher temperature available on Feeding connections Operating = 7 bar Dimensional drawing

AV: Volume Booster The Volume Booster (model AV), available sizes 1⁄4” and 3⁄4”, is designed to meet high speed control valve applications. It produces a high volume boosting action and contains an integral stabilizing by-pass valve controlled by a screwdriver adjustment in the body. By opening this valve it is possible improve the stability of the pneumatic circuit made up of a positioner, volume booster(s) and actuator. Increased environment protection Key features E xclusive manifold mounting system. It is a special STI application to connect our accessories. Fittings or nipples are not...

AV 1/4” stainless steel 316 manifold mounting Technical specifications for AV 3/4” Housing materials Painted RAL 7001 aluminium Stainless steel 316 Options Collected exhaust Silencer Operating temperature* -20ºC to 70ºC -40ºC to 70ºC available on request -20ºC to 85ºC available on request Operating pressure P min = 3 bar P max = 7 bar Design pressure = 10 bar Weight Aluminium = 4kg Stainless steel 316 = 10.3kg Diaphram material Elastomeric reinforced fabric Output connections Manifold mounting 3/4” NPT Pilot signal connection 1/4” NPT * Lower or higher temperature available on request

BD: Derivative Booster The Derivative Booster (model BD) is used in conjunction with a positioner on a control valve to increase stroking speed on pneumatic double acting actuators. It has been designed to exhaust one actuator chamber and pressurize the other at the same time. In this way, a short stroking time in one direction can be achieved using just one device. This item is activated by the exhaust flow of the positioner. Compact design Key features Exclusive manifold mounting system. It is a special STI application to connect our accessories. Fittings or nipples are not necessary as...

Technical specification Housing materials Anodized aluminium Operating temperature* Pilot signal connection Operating pressure Output connections Manifold mounting Feeding connections Manifold mounting * Lower or higher temperature Dimensional drawing LINE PRESSURE DAMPING ADJUSTABLE SCREW

BV: Big Volume Booster The Big Volume Booster (model BV) is designed to meet high speed control applications. It produces a high volume boosting action and contains an integral stabilizing by-pass valve, adjusted by a screwdriver turning the adjustment screw in the body. By opening this valve it is possible to improve the stability of the positioner – volume booster – actuator circuit. BV was specifically designed to be piloted by a high CV positioner (such as our FT Positioner). Compact design Key features Exclusive manifold mounting system. It is a special STI application to connect our...

Technical specification Housing materials Pilot signal connection Operating pressure Operating temperature* Output connections Manifold mounting Feeding connections Manifold mounting * Lower or higher temperature The best levels of performance are achieved when the booster is piloted by our FT Smart Positioner Dimensional drawing ACTUATOR SIDE ADDITIONAL SUPPLY PRESSURE PRESSURE PILOT

BW: Ultra High Capacity Booster BW: Ultra High Capacity Booster The Ultra High Capacity Booster (model BW) is designed to meet high volume boosting requirements. The volume booster contains two activation regulators, one for supply amplification adjustment and the other for exhaust amplification adjustment. Compact design Key features Exclusive manifold mounting system. It is a special STI application to connect our accessories. Fittings or nipples are not necessary as the connection is achieved using machined connection faces with sealing o’ring. This system saves time for assembly,...

Technical specification Painted RAL 7001 aluminium Inlet = 16 Stainless steel 316 Outlet = 20 Operating temperature* Output connections -20°C to 85°C available on request Feeding connections Pilot signal connection Manifold mounting and 1" NPT Operating pressure Aluminium = 5kg Design pressure = 10 bar * Lower or higher temperature Dimensional drawing

CF: Fast Commutator IMI STI / FasTrak Smart Positioner CF: Fast Commutator The Fast Commutator (model CF) is designed to be combined with two 3-way valves providing a shared pilot conduit. This accessory is designed to operate with a pilot pressure greater than 2 bar while still maintaining a perfect seal on the seats of up to 8 bar. As the pilot fluid goes to work on moving a single membrane, switching speed is maximised. Aluminium manifold mounting Key features This exclusive manifold mounting system is a specially designed STI application for connecting our accessories. Fittings or...