Xiangjing (Shanghai) M&E Technology Co., Ltd
| Delivery Time | 5-8 weeks |
| Temperature of media | Medium Temperature,High Temperature,Normal Temperature,-60~550°C,-35℃~+45℃ |
| Media | Water,Gas,steam,oil,Liquid |
| Payment Terms | T/T |
| Structure | Diaphragm,Control,Ball,Angle stroke,Other |
| Material | Stainless Steel,Casting,WCB,Aluminum Alloy,SS316L |
| Pressure | Medium Pressure,Low Pressure,High Pressure,1.6/4.0/6.4Mpa,200psi/PN16 |
| Supply Ability | 2,800 units per year |
| Port size | Standard,DN15--DN300 (1/2"-300"),DN100,DN2~25,DN15-50mm |
| Packaging Details | carton or wooden crate, 30 × 30 × 30 cm |
| Power | Pneumatic,Manual,Solenoid,electric,2x6W(24VDC) |
| Model Number | 3582i |
| Brand Name | Fisher |
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Product Specification
| Delivery Time | 5-8 weeks | Temperature of media | Medium Temperature,High Temperature,Normal Temperature,-60~550°C,-35℃~+45℃ |
| Media | Water,Gas,steam,oil,Liquid | Payment Terms | T/T |
| Structure | Diaphragm,Control,Ball,Angle stroke,Other | Material | Stainless Steel,Casting,WCB,Aluminum Alloy,SS316L |
| Pressure | Medium Pressure,Low Pressure,High Pressure,1.6/4.0/6.4Mpa,200psi/PN16 | Supply Ability | 2,800 units per year |
| Port size | Standard,DN15--DN300 (1/2"-300"),DN100,DN2~25,DN15-50mm | Packaging Details | carton or wooden crate, 30 × 30 × 30 cm |
| Power | Pneumatic,Manual,Solenoid,electric,2x6W(24VDC) | Model Number | 3582i |
| Brand Name | Fisher | ||
| High Light | Electro-Pneumatic Positioner 4-20mA signal ，Positioner for linear pneumatic actuators ，Single-acting actuator positioner with warranty | ||
Product Overview
The 3582i is an electro-pneumatic valve positioner built for diaphragm-actuated, sliding-stem control valve assemblies. It consists of a 582i electro-pneumatic converter installed on a 3582 pneumatic valve positioner. The converter receives a DC current input signal and produces a proportional pneumatic output through a nozzle/flapper arrangement. This output then feeds the pneumatic positioner, eliminating the need for a separately mounted transducer.
The instrument delivers an accurate valve stem position proportional to the DC current input signal. It is a field-proven design known for fast response and the ability to withstand vibrations found in most plant environments. Low steady-state air consumption contributes to efficient operation.
Zero and span adjustments are accessible with the cover removed, using a screwdriver and spanner. The unit can be switched between direct and reverse action through simple adjustments. Changes in supply pressure and valve load have minimal effect on positioner operation. The case, components, and gasket materials are selected to withstand harsh environments, and positioner bleed air purges internal parts for additional protection.
Technical Specifications
| Parameter | Specification |
|---|---|
| Communication Protocol | 4-20mA Analog |
| Input Signal | Electric |
| Data Interface | Wired |
| Diagnostics | No |
| Mounting Type | Actuator Mounted |
| Operating Temperature | Standard Temperature, High Temperature |
| Position Control | Modulating |
| Process Control | Flow, Pressure, Temperature, Level |
| Supply Media | Air |
| Area Classification | Explosion Proof, Intrinsically Safe, Non-incendive, Dust |
| Certifications | CSA, FM, ATEX, IECEx, CUTR, Peso, KGS, INMETRO, NEPSI, RCM |
| Input Signal (3582i) | 4-20 mA DC constant current, 30 VDC maximum compliance voltage |
| Output Signal | Pneumatic pressure as required by actuator, up to 95% of maximum supply |
| Action | Field-reversible between direct and reverse |
| Supply Pressure (Recommended) | 0.3 bar (5 psi) above actuator requirement |
| Supply Pressure (Maximum) | 3.4 bar (50 psig) or pressure rating of actuator, whichever is lower |
| Maximum Input Bellows Pressure Rating | 2.4 bar (35 psig) |
| Equivalent Circuit | 120 ohms shunted by three 5.6-volt zener diodes |
Application Industry
The 3582i is used with diaphragm-actuated, sliding-stem control valve assemblies in process industries. It handles flow, pressure, temperature, and level control applications. The adjustable zero and span range permits the use of all standard input signals, including split ranges. Because units from one positioner family cover a variety of control applications, basic spare parts inventory requirements are simplified.
Common Problems
Positioner does not respond to input signal: Check supply pressure and pneumatic connections. Verify that the nozzle/flapper assembly is not clogged and that the relay is functioning.
Valve stem position does not match input signal: Check zero and span calibration. Verify that the cam position matches the actuator travel and action.
Erratic operation or oscillation: Inspect for air leaks in tubing and fittings. Check for excessive friction in the valve packing or actuator.
Supply pressure fluctuations affect position: Confirm supply pressure is stable and within the recommended range. The 3582i is designed to minimize the effect of supply pressure changes, but extreme fluctuations may still cause issues.
Replacement Models
The 3582i is a legacy pneumatic positioner design. For new installations requiring digital communication and diagnostics, the DVC6200 or DVC2000 digital valve controllers are the modern equivalents from the same product line. The 582i converter can be field-installed on an existing 3582 pneumatic positioner to upgrade it to a 3582i configuration, though this may require changing positioner mounting and input signal range. For cross-vendor alternatives, verify actuator mounting, travel range, and input signal compatibility before ordering.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2015
Total Annual:
30,000,000-50,000,000
Employee Number:
200~300
Ecer Certification：
Verified Supplier
Xiangjing (Shanghai) - Leading Distributor of Pneumatic and Electric Control Valves Established in Shanghai, China, Xiangjing(Shanghai) Mechanical and Electrical Tech Co.,Ltd has been a trusted distributor of high-quality pneumatic and electric control valves for many years. With extensive industr... Xiangjing (Shanghai) - Leading Distributor of Pneumatic and Electric Control Valves Established in Shanghai, China, Xiangjing(Shanghai) Mechanical and Electrical Tech Co.,Ltd has been a trusted distributor of high-quality pneumatic and electric control valves for many years. With extensive industr...
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