What are the payment terms?

We accept LC, T/T, D/P, PayPal, and Western Union.

What is the average lead time for production?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

What certifications does the product have?

The product is certified under ISO9001 standards.

Self-Controlled Hydraulic Differential Pressure Bypass Valve for Air-Conditioning

Name: Self-Controlled Hydraulic Differential Pressure Bypass Valve for Air-Conditioning
Brand: Fujian Quanguan Valve Manufacturing Co., Ltd.
SKU: 2321149585

Fujian, ChinaFujian Quanguan Valve Manufacturing Co., Ltd.

US$50.00-90.00

1 Piece

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Temperature

Ordinary Temperature

Certification

ISO9001

Model NO.

800X

Media

Water

Standard

Connection Mode

Flange

Power

Hydraulic

Material

Ductile Iron

Type

Single Seater

Color

Silvery or Blue

Customization Available

Customization Supported

Application

Industrial & Civil Building Heating Pipe Network

Installation Position

Pipeline Branches and User Inlets

Feature

Digital Opening Display

Function

Accurately Adjust Pressure Drop and Flow

Transport Package

Export Standard Package

Specification

Customized

Trademark

quanguan

Origin

China

Key features

Digital Opening Display: Equipped with digital display and locking device for intuitive position adjustment.

Accurate Flow Control: Accurately adjusts pressure drop and flow to solve uneven room temperature issues.

Energy Saving Design: Achieves liquid balance and saves energy by avoiding large flow with small temperature difference.

Flexible Customization: Supports customization from samples, designs, minor, full, and flexible customization.

ISO9001 Certified: Manufactured under ISO9001 certification with 100% finished product inspection.

Versatile Material: Made of Qt450 material, suitable for gas, oil, and water media applications.

Company profile

High Repeat Buyers ChoiceSelf-brandedExhibition ExperienceODM Services

Fujian Quanguan Valve Manufacturing Co., Ltd.

Fujian, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 7 Years CertifiedNearest Port: Xiamen PortAverage Response Time: ≤2.61h

AI-Powered supplier vetting

SummaryQuanguan Valve is identified as a professional valve manufacturer in Quanzhou, Fujian, producing and selling water-system and HVAC valves, including gate valves, pressure-reducing valves, and static-balance valves. Its broader scope also covers fire-fighting equipment, pipe fittings, plumbing, copper, rubber, and plastic products. The supplier provides extensive customization and ODM services, with documented R&D design inputs, outputs, reviews, verification, and validation; however, it reported no new products in the past year and has zero R&D patents. Manufacturing covers a 2,863 m² plant and two production lines, but finished-product inspection is performed by packing staff and batch quantity reconciliation is not conducted continuously. Export experience is stated as seven years, with two export-trade staff and three experienced staff reported. Service weaknesses include no written corrective/preventive-action, complaint-handling, or service-capability assessment procedures. No certification, customer...

Supplier typeThe supplier is explicitly described as a valve manufacturer engaged in production, R&D, and sales, with products spanning valves, fire-fighting equipment, pipe fittings, plumbing, and related industrial and building-material categories. Its stated commercial focus is industrial equipment and components, particularly water-system and HVAC valves.

After-Sales capabilityThe supplier accepts multiple quotation and payment arrangements and reports peak-season lead time of one month and off-season lead time within 15 working days. However, it has no written corrective/preventive-action procedures, no written complaint-handling procedures or records, and no written service-capability assessment procedure or records, indicating a documented after-sales service weakness.

Production capacityThe supplier operates a 2,863 m² manufacturing plant with two production lines and manufactures valves and related products; it also reports seven years of export experience. Production-control limitations are stated: finished products are checked by packing staff, and continuous quantity reconciliation for each batch or mass-production run is not performed.

Customization capabilityThe supplier explicitly offers customization from samples, designs, minor and full customization, flexible customization, and ODM services. Its R&D responsibilities and documented design inputs, outputs, reviews, verification, and validation further support the ability to develop customer-requested products.