Customized Cryogenic Single Seated Control Valve China Low Temperature Pneumatic Valve Azbil Valve Positioners

Brand Name:China WUZHONG
Model Number:Customized
Minimum Order Quantity:1
Delivery Time:70 work days
Payment Terms:T/T
Price:US $1580.00 - 1880.00/ Unit
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Location: Baoshan Shanghai China
Address: Building 6, 98 Fulianyi Road, Yanghang Town, Baoshan District
Supplier`s last login times: within 48 hours
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Product Details
Low-Temperature Single-Seat Control Valve with Azbil Positioner
Product Overview

The Chinese Low-Temperature Single-Seat Control Valve, paired with an Azbil Smart Valve Positioner, delivers unparalleled precision and reliability for flow control in cryogenic and low-temperature industrial applications. Engineered for environments as cold as -196°C, the valve features a robust single-seat design for tight shut-off and precise modulation, ideal for LNG, petrochemical, and industrial gas systems. The Azbil Smart Valve Positioner enhances performance with advanced diagnostics, HART/FOUNDATION Fieldbus communication, and auto-tuning capabilities, ensuring optimal valve positioning and process efficiency. This combination is compliant with international standards like ASME, API, and IEC, making it a trusted solution for demanding low-temperature processes.

Key Features
  • Cryogenic Compatibility: Operates reliably in temperatures as low as -196°C, ideal for LNG and liquid nitrogen applications.
  • Single-Seat Design: Provides tight shut-off and precise flow control for low-temperature fluids.
  • Azbil Smart Positioner: Features auto-tuning, advanced diagnostics, and HART/FOUNDATION Fieldbus for seamless integration and monitoring.
  • Extended Bonnet: Ensures thermal insulation and protects the actuator in cryogenic conditions.
  • High-Precision Control: Azbil positioner delivers ±0.5% accuracy for optimal flow modulation.
  • Durable Materials: Valve body constructed from stainless steel or low-temperature alloys; positioner housing is corrosion-resistant.
  • Low Maintenance: Self-diagnostic features and robust construction reduce downtime and maintenance costs.
  • Global Certifications: Compliant with ASME B16.34, API 6D, IEC 60534, and PED for worldwide applicability.
  • Flexible Configurations: Supports pneumatic, electric, or electro-pneumatic actuators for versatile integration.
Technical Specifications
ParameterLow-Temperature Single-Seat Control ValveAzbil Smart Valve Positioner
Valve SizeDN 15 to DN 200 (NPS ½" to 8")N/A
Pressure RatingPN 10 to PN 100 (ANSI Class 150 to 600)N/A
Temperature Range-196°C to 200°C (-321°F to 392°F)-40°C to 80°C (-40°F to 176°F)
Flow Capacity (Cv)0.1 to 400N/A
Body MaterialsStainless steel (1.4408, CF8M), low-temperature carbon steelAluminum alloy with corrosion-resistant coating
Trim MaterialsStainless steel, Hastelloy (optional)N/A
Seat LeakageClass IV to VI (per IEC 60534-4)N/A
Actuator TypePneumatic, electric, or electro-pneumaticPneumatic input (4-20 mA)
Positioner CommunicationN/AHART, FOUNDATION Fieldbus, 4-20 mA
Positioner AccuracyN/A±0.5% full scale
CertificationsASME B16.34, API 6D, PED, ATEX (optional)IEC 61508 (SIL 3 capable), ATEX, FM, CSA
Applications

The Low-Temperature Single-Seat Control Valve with Azbil Positioner is optimized for precise flow control in cryogenic and low-temperature applications:

  • LNG Processing: Regulates flow in liquefaction and regasification systems.
  • Petrochemical Industry: Controls low-temperature fluids in ethylene and propylene plants.
  • Industrial Gases: Manages liquid nitrogen, oxygen, and argon in storage and distribution.
  • Chemical Processing: Ensures precise control in cryogenic reactors and separators.
  • Energy Sector: Supports low-temperature processes in power generation and cooling systems.
Frequently Asked Questions
What makes this combination suitable for cryogenic applications?

The valve’s low-temperature materials and extended bonnet, combined with the Azbil positioner’s precision control, ensure reliable performance down to -196°C.

How does the Azbil positioner enhance valve performance?

It provides ±0.5% accuracy, auto-tuning, and advanced diagnostics via HART/FOUNDATION Fieldbus for optimal flow control and monitoring.

Can the valve handle high-pressure applications?

Yes, it supports pressure ratings up to PN 100 (ANSI Class 600), suitable for demanding industrial systems.

What certifications ensure global compliance?

The valve complies with ASME B16.34, API 6D, and PED, while the positioner meets IEC 61508 (SIL 3 capable), ATEX, FM, and CSA standards.

How is maintenance simplified?

The valve’s robust design and the positioner’s self-diagnostic features reduce maintenance needs and downtime.

Contact Us

For more information about the Low-Temperature Single-Seat Control Valve with Azbil Positioner, pricing, or to request a demo, contact our team:

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