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Home /Products/Pneumatic Control Valves/3730 smart electro pneumatic positioner HART 4 20mA auto calibration control valve diagnostics

3730 smart electro pneumatic positioner HART 4 20mA auto calibration control valve diagnostics

1
MOQ
US $1800.00 - 2000.00/ Set
Price
3730 smart electro pneumatic positioner HART 4 20mA auto calibration control valve diagnostics
Features Gallery Product Description Ratings & Review Request A Quote
Features
Specifications
Product Type: Electro-pneumatic Valve Positioner
Control Mode: For Linear And Rotary Actuators
Communication: Supports HART PROFIBUS PA FOUNDATION Fieldbus
Highlight:

smart electro pneumatic positioner HART

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auto calibration control valve diagnostics

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4 20mA pneumatic control valves
Basic Infomation
Place of Origin: China
Model Number: 3730
Payment & Shipping Terms
Packaging Details: Cardboard box/Wooden crate
Delivery Time: 4-6 weeks
Payment Terms: T/T
Supply Ability: 3000 sets per year
Product Description

3730 electropneumatic positioner works with 4‑20mA two‑wire input signal and supports HART digital communication

Technical Specifications
Product Series
3730
Type
Electropneumatic Smart Valve Positioner
Input Signal
4–20 mA
Communication
HART / PROFIBUS / FOUNDATION Fieldbus
Actuator Type
Linear / Rotary
Supply Pressure
Up to 7 bar
Protection Class
IP66
Explosion Protection
Intrinsic Safety Optional
Mounting
NAMUR / IEC 60534 / VDI/VDE 3845
Diagnostics
EXPERTplus Valve Diagnostics
Popular 3730 Models
HART Communication

Smart electropneumatic positioner with HART communication and advanced diagnostics

PROFIBUS Communication

Digital valve positioner with PROFIBUS-PA communication for industrial automation systems

FOUNDATION Fieldbus
3730-5 FOUNDATION Fieldbus Positioner · $3,840.00

Advanced smart valve positioner with FOUNDATION Fieldbus communication and diagnostics

PRODUCT COMPARISON TABLE
Attribute 3730-3 3730-4 3730-5 3730-0
Communication HART PROFIBUS-PA FOUNDATION Fieldbus None
Diagnostics EXPERTplus EXPERTplus EXPERTplus Basic
Actuator Compatibility Linear / Rotary Linear / Rotary Linear / Rotary Linear
Explosion Protection Optional Optional Optional Optional
Typical Application Process Control Digital Automation Fieldbus Systems Standard Pneumatic Control
Price Range Medium Medium–High High Medium
Applications by Industry
Oil & Gas

Pipeline automation, refinery control valves, offshore systems

Chemical & Petrochemical

Flow, pressure, and temperature process control

Power Generation

Steam turbine and boiler valve automation

Water Treatment

Water distribution and treatment plant automation

Why Choose Us as Your Supplier
  • Stock available for common models
  • Fast international delivery
  • Technical support for model selection
  • Multi-brand valve automation solutions
  • Original products with documentation and traceability
FAQ
Q1: What is the difference between 3730-3 and 3730-4?

3730-3 supports HART communication, while 3730-4 supports PROFIBUS-PA communication.

Q2: Does 3730 support valve diagnostics?

Yes, selected models include integrated EXPERTplus diagnostics.

Q3: Can the 3730 series be used with rotary actuators?

Yes, many models support both linear and rotary actuators.

Q4: Do you provide datasheet and technical support?

Yes, full technical documentation and engineering support are available.

Request Quote Now

Looking for a reliable 3730 valve positioner supplier?

Send your inquiry today to receive:

  • Competitive quotation
  • Datasheet PDF
  • Fast delivery schedule
  • Technical support

Contact us now for a response within 12 hours.

Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

D
Daulet Nurgazin
Kazakhstan Mar 19.2026
Helpful (3)
I purchased the Flowserve 3821 and am very satisfied with the overall transaction. The item arrived in good condition, matched the specifications accurately, and performed as expected. The seller demonstrated strong professionalism, provided a reasonable price, and ensured the delivery schedule was met. A dependable supplier that I would confidently work with again.
L
leyla kh
United Arab Emirates Sep 12.2025
Helpful (10)
We purchased 20 units of valve positioners for a refinery project in UAE. Delivery was fast and technical support was very professional.
Z
zahir mustafa
United States Feb 26.2025
Helpful (6)
Happy to work with them, fast response, hope to do more business with them soon
Tag:

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Contact Person : Mr. Edward Zhao
Tel : +8615000725058
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No.6 Building,No.98 Lane, No.1 Fulian Road, Baoshan District, Shanghai, China
edward.zhao@gongboshi.com
+8615000725058
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