What are the lead times for production?

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

What certifications does the product hold?

The product meets ISO9001 standards and holds ISO certification.

What payment terms are accepted?

Accepted payment terms include LC, T/T, D/P, PayPal, and Western Union.

Automatic Open-Close Dual-Function Design Wholesale Pressure Holding Relief Valve

Name: Automatic Open-Close Dual-Function Design Wholesale Pressure Holding Relief Valve
Brand: Fujian Quanguan Valve Manufacturing Co., Ltd.
SKU: 2322085845

Fujian, ChinaFujian Quanguan Valve Manufacturing Co., Ltd.

US$5.00-100.00

1 Piece

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Media

Water

Standard

ISO9001

Model NO.

500X-16P

Certification

ISO

Temperature

Ordinary Temperature

Connection

Flange

Pressure

Adjustable

Structure

Spring

Material

Stainless Steel

Color

Blue or Black

Feature

Hydraulic Dual-Purpose Pressure Relief Value

Application

Fire-Protection Systems

Advantage

Hydraulic Automatic Operation

Customization Available

Customization Supported

Installation Position

Pipeline of Fire-Fighting and Water-Supply Systems

Transport Package

Export Standard Package

Specification

Customized

Trademark

quanguan

Origin

China

Key features

Hydraulic Dual-Purpose Function: Operates as both pressure relief and pressure holding valve automatically.

No External Energy Required: Hydraulic pilot control system operates without external power source.

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

Stainless Steel Material: Constructed from stainless steel for durability in water systems.

ISO9001 Certified: Manufacturing process meets ISO9001 quality standards.

Fire Protection Application: Specifically designed for fire protection and water supply systems.

Spring Structure Design: Upgraded replacement for traditional spring-loaded safety valves.

100% Product Inspection: Every finished product undergoes visual and function 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: >24h

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.