What happens if power is cut off?

Most models can be operated manually when power is cut off. Some actuators offer optional power-off reset functions.

Replaceable Vvf31 Series Electric Control Valve with Chenxuan Vf40

Name: Replaceable Vvf31 Series Electric Control Valve with Chenxuan Vf40
Brand: Shandong Chenxuan Intelligent Manufacturing Co., Ltd.
SKU: 759309632

Shandong, ChinaShandong Chenxuan Intelligent Manufacturing Co., Ltd.

US$1,000.00

1 Piece

Product profile

Customization

Available

Transport Package

Wooden Box

Specification

DN15-DN400

Model NO.

VF40

Trademark

CHENXUAN

Origin

Jinan

HS Code

8481100090

Key features

Precise Temperature Control: Uses PI/PID controllers for stable, accurate temperature regulation with flexible parameter adjustment.

Energy Saving & Comfort: Automatically adjusts flow based on outlet and outdoor temperatures to save costs and ensure comfort.

Durable Hydraulic Actuator: Adopts patented Siemens hydraulic technology for large thrust, long life, and safety stability.

Wide Application Range: Suitable for HVAC, refrigeration, and industries like chemical, petroleum, and metallurgy.

Flexible Valve Options: Available in copper, cast iron, ductile iron, and steel with threaded or flange connections.

Extensible Smart Functions: Supports remote setting, temperature compensation, overtemperature alarm, and automatic meter reading.

Manual Operation Backup: Most models can be operated manually when power is cut off to ensure system safety.

Easy Installation & Debugging: Controller is easy to install and debug without requiring expensive field programming costs.

Company profile

Shandong Chenxuan Intelligent Manufacturing Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2019-07-12Nearest Port: SHENZHEN, QINGDAO, ERLIANAverage Response Time: ≤7.26hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CIF, FCA, EXW, Others

AI-Powered supplier vetting

SummaryThe supplier is associated with machinery, equipment, metal products, valves, and related industrial sales and services. It demonstrates broad customization capability, 100% finished-product inspection, OEM service for well-known brands, participation in the China Import and Export Fair, and a stated presence across several industrial sectors. However, raw-material traceability is absent, no SDK is available, and service-capability processes for supplier assessment, corrective actions, and complaint handling are undocumented. Production information indicates one production line and one year of R&D engineer experience, while environmental assessment and fire-drill status are unknown. Financial records are referenced for 2021–2023, but the provided slices do not establish financial strength.

Supplier typeThe supplier operates in industrial machinery and equipment, metal products, installation, repair, and valve manufacturing. Its stated business scope also includes construction-related, office, electronic, and import/export activities, indicating a diversified industrial trading and manufacturing profile.

CertificationsThe supplier is reported to hold one national science and technology progress award. No other certification, qualification, or formal management-system certification is identified in the provided information.

After-Sales capabilityThe supplier reports 98 qualified service-capability suppliers and has participated in an offline trade show, but it has no written procedures or records for service assessment, corrective and preventive actions, or effective complaint handling. It also lacks overseas warehouses, showrooms, agents, and branches.

Production capacityThe supplier manufactures self-operated pressure-regulating and process-control valves, operates one production line, and applies 100% finished-product inspection. Quality staffing is reported as 11–20 in one slice, while another lists one quality assurance and quality control inspector, creating inconsistent staffing evidence.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This directly indicates broad adaptation capability for customer-specific requirements.

Product Q&A

Q:What control modes are supported?

The system supports proportional integral (PI) or proportional integral and differential (PID) adjustment functions for stable and accurate control.

Q:What types of valve bodies are available?

Valve bodies include copper, cast iron, ductile iron, and cast steel, with connection modes of threaded or flange.

Q:Can the valve be used for steam control?

Yes, but for steam, it generally refers to 98% dryness saturated steam. Superheated steam requires recalculation due to viscosity changes.

Q:How is energy saving achieved?

The controller adjusts water flow based on secondary side outlet temperature and outdoor temperature to optimize comfort and reduce operating costs.

Q:What maintenance is required?

Regular checks are needed. Clean filters when new systems start. Operate steam valves slowly open and quickly close; water valves slowly open and close.