Flowserve Valve Positioners: These devices offered by Flowserve are known for their intelligence and electro-pneumatic capabilities. They play a crucial role in ensuring that the final control element, which is a valve in this context, reaches the intended position as directed by a process controller.
Functionality: The valve positioners are designed to convert a standard input signal, such as a 4-20 mA signal, into an accurate pneumatic output pressure. This pressure is then utilized to activate the valve, effectively overcoming stem friction and dynamic forces in order to achieve exceptional control precision.
High Accuracy & Repeatability: Ensures precise valve positioning (< ±0.5%) for improved process control.
Advanced Digital Communication: Supports HART, Foundation Fieldbus, and Profibus-PA protocols for seamless integration into digital control systems.
Robust Construction: Features rugged housing (e.g., NEMA 4X / IP66) and corrosion-resistant materials for harsh environments.
Intuitive Diagnostics: Built-in monitoring of travel, pressure, and supply air provides predictive maintenance data and reduces downtime.
One-Button Auto-Calibration: Simplifies setup and commissioning, reducing human error and time.
Selectable Valve Characterization: Allows for in-field selection of flow characteristics (Linear, Equal %, Quick Open).
Hazardous Area Certified: Approved for use in explosive atmospheres (ATEX, IECEx, FM).
Low Air Consumption: Optimizes plant energy usage.
Input Signal: 4-20 mA, HART; Digital (Foundation Fieldbus, Profibus-PA)
Supply Pressure: 1.4 - 7 bar (20 - 100 psi)
Output Pressure: 0 - 100% of supply pressure
Accuracy: < ±0.5% of span
Enclosure Rating: IP66/67, NEMA 4X
Ambient Temp. Range: -40°C to +80°C (-40°F to +176°F)
Mounting: Direct to ISO 5211, NAMUR standard
Certifications: ATEX, IECEx, FM, SIL 2/3 (model dependent)
Flowserve positioners play a critical role in various challenging applications across different industries. They are commonly utilized in:
The Product Technical Support and Services for the Valve Accessories product include:
- Installation assistance
- Troubleshooting guidance
- Maintenance recommendations
- Product training and demonstrations
- Warranty information
Product Name: Valve Accessories
Description: High-quality valve accessories designed to enhance the performance and durability of your valves.
Package Includes: - 1 set of valve stems - 1 pack of valve seals - 1 tube of valve lubricant
Shipping Information: - Shipping Method: Standard Shipping - Estimated Delivery: 5-7 business days - Shipping Cost: $5.99