What is the minimum order quantity?

The minimum order quantity is 1 piece.

What are the payment terms?

Payment can be made via LC, T/T, D/P, PayPal, or Western Union.

What is the lead time for production?

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

Copper Flange Silent Non-Return Check Valve for Water Industrial Pipeline

Name: Copper Flange Silent Non-Return Check Valve for Water Industrial Pipeline
Brand: Fujian Quanguan Valve Manufacturing Co., Ltd.
SKU: 2311760355

Fujian, ChinaFujian Quanguan Valve Manufacturing Co., Ltd.

US$16.00-261.00

1 Piece

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Media

Water

Temperature

Ordinary Temperature

Model NO.

H41X-16Q

Material

Copper/Rubber Sealing Ring

Connection Form

Flange

Pressure

Low Pressure

Function

Nrvr Silence

Sealing Form

Rubber Sealing Ring

Flow Direction

Unidirection

Standard

ISO

Application

Industrial Usage, Water Industrial Usage

Color

Blue or Black

Installation Position

Pump Outlet and Other Anti-Backflow Pipe Sections

Advantage

Auto-Operation, No Manual Control; Silent Running

Feature

Automatic Valve, Disc Actuated by Medium Flow

Usage Scenarios

Pump Supporting Pipelines, Anti-Backflow Piping

Working Performance

Prevent Medium Backflow

Custom

Customized

Transport Package

Export Standard Package

Specification

H41X-16Q

Trademark

quanguan

Origin

China

Key features

Silent Anti-Backflow Design: Prevents medium backflow and pump reverse rotation with silent running performance.

Automatic Operation: Disc actuated by medium flow; no manual control required for opening and closing.

Customizable Options: Offers customized color (Blue/Black), installation position, and flexible design options.

High-Quality Materials: Constructed from Copper with Rubber Sealing Ring for durability and effective sealing.

Versatile Applications: Suitable for pump outlets, anti-backflow piping, and supplementary system lines.

ISO Standard Compliance: Manufactured to ISO standards ensuring quality and reliability for industrial use.

Low Pressure Rating: Designed for low pressure applications, ideal for standard water industrial pipelines.

100% Quality Inspection: Each unit undergoes visual and function inspection before packing to ensure quality.

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: ≤15h

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.