What materials are available for this backflow preventer?

Available materials include Stainless Steel, Brass, and others as specified.

How is the quality of the finished product ensured?

We perform 100% inspection including visual and functional checks before packing.

Anti-Pollution Stainless Steel Low-Resistance Reduced Pressure Backflow Preventer

Name: Anti-Pollution Stainless Steel Low-Resistance Reduced Pressure Backflow Preventer
Brand: Fujian Quanguan Valve Manufacturing Co., Ltd.
SKU: 2311714255

Fujian, ChinaFujian Quanguan Valve Manufacturing Co., Ltd.

US$65.00-100.00

1 Piece

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Color

Silvery

Material

Di, Ci, Ss, Brass

Model NO.

LHS743X

Function

Prevent Pipeline Back-Flow Pollution

Application

Drinking-Water Supply Pipeline Systems

Installation Position

Potable Water Pipelines

Advantage

Avoid Drinking-Water Back-Contamination

Transport Package

Export Standard Package

Specification

DN40 - DN600

Trademark

quanguan

Origin

China

Key features

Minimized Water Head Loss: Designed for energy saving with minimized water head loss during operation.

Dual Safety Mechanism: Consists of two non-return valves and a drainage pressure relief device.

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

Versatile Installation: Supports both horizontal and vertical installation in small spaces.

Automatic Drainage: Features air isolating and automatic drainage capabilities.

Potable Water Protection: Prevents back-flow pollution to ensure safe and healthy drinking water.

Durable Materials: Constructed from Stainless Steel, Brass, or other specified materials.

100% Quality Inspection: Every finished product undergoes visual and functional inspection.

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.