Xiangjing (Shanghai) M&E Technology Co., Ltd
| Power | Pneumatic,electric |
| Payment Terms | T/T |
| Standard or nonstandard | Standard |
| Delivery Time | 5-8 weeks |
| Standard | DIN,ANSI,BS,ASTM |
| Material | Aluminum Alloy |
| Application | General,industrial |
| Supply Ability | 2,750 units per year |
| Type | Control,pneumatic |
| Structure | Control |
| Packaging Details | carton or wooden crate, 30 × 30 × 30 cm |
| Model Number | 3661 |
| Brand Name |
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Product Specification
| Power | Pneumatic,electric | Payment Terms | T/T |
| Standard or nonstandard | Standard | Delivery Time | 5-8 weeks |
| Standard | DIN,ANSI,BS,ASTM | Material | Aluminum Alloy |
| Application | General,industrial | Supply Ability | 2,750 units per year |
| Type | Control,pneumatic | Structure | Control |
| Packaging Details | carton or wooden crate, 30 × 30 × 30 cm | Model Number | 3661 |
| Brand Name | |||
| High Light | Electro-Pneumatic Valve Positioner 4-20mA ，Control Valve Positioner with warranty ，Pneumatic Valve Positioner for control valves | ||
Product Overview
The 3661 is an electro-pneumatic single-acting valve positioner designed for use with various actuators on sliding-stem valves for throttling applications. It provides a valve position proportional to a standard milliampere DC input signal received from a control device.
The positioner design provides accurate, fast-responding instrumentation able to withstand the vibrations of most plant environments. Low steady-state air consumption contributes to efficient operation. Easily adjustable gain and damping adjustments fine tune the positioner stability to specific application requirements.
The 3661 accepts a standard milliampere DC input signal from a control device and provides split range capabilities and adjustable zero and span. Most parts for 3661 positioners are interchangeable, requiring fewer spare parts to support these positioners. The case and cover are designed to withstand mechanical vibration and rough handling. Zero and span adjustments can be made with the cover in place.
The positioner is used with 657, 667, 1250, 1250R, 3024S, and GX actuators. It can also be mounted on Baumann actuators.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Fsher |
| Communication Protocol | 4-20mA Analog |
| Input Signal | Electric; 4 to 20 mA DC constant current; max 30 V burden voltage |
| Data Interface | Wired |
| Diagnostics | No |
| Max Outlet Pressure | 90 psi |
| Mounting Type | Actuator Mounted |
| Operating Temperature | Standard Temperature |
| Position Control | Modulating |
| Supply Media | Air |
| Area Classification | Intrinsically Safe, Non-incendive, Dust |
| Certifications | CSA, FM, ATEX, IECEx, CUTR, Peso, KGS, INMETRO, RCM |
| Safety Certification | NIL |
| Action | Single-acting |
| Compatible Actuators | 657, 667, 1250, 1250R, 3024S, GX; Baumann actuators |
Application Industry
The 3661 is used in petrochemicals, power generation, water treatment, paper, and food and beverage industries. It is suitable for throttling applications on sliding-stem valves.
Common Problems
No output signal with input present: Check for clogged nozzle. Clean the nozzle. Check air supply pressure.
Slow or abnormal output pressure: Check supply pressure is within specification. Check the pneumatic amplifier and nozzle/flapper assembly.
Poor linear response: Check the zero spring adjustment. Check the range adjustment mechanism position.
Positioner does not respond: Verify supply pressure and pneumatic connections. Check that the converter is receiving the 4-20 mA signal.
Air leakage: Check O-rings, gaskets, and diaphragm for wear. Replace as needed.
Replacement Models
The 3661 is a mature electro-pneumatic positioner platform. For modern digital communication and advanced diagnostics, the DVC6200 or DVC2000 digital valve controllers are the current-generation alternatives. For legacy installations, the 3661 serves as the electro-pneumatic counterpart to the 3660 pneumatic positioner. 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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