What are the payment terms?

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

What is the lead time for production?

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

How is the quality controlled before shipping?

We perform 100% inspection, including visual and function inspection, checked by packing staff.

Reverse Flow Blocking Factory Price Non-Return Silencer Check Valve for HVAC Systems

Name: Reverse Flow Blocking Factory Price Non-Return Silencer Check Valve for HVAC Systems
Brand: Fujian Quanguan Valve Manufacturing Co., Ltd.
SKU: 2321820345

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

Media

Water

Temperature

Ordinary Temperature

Model NO.

H41X

Material

Ductile Iron, Stainless Steel, Cast Steel

Connection Form

Flange

Pressure

Ordinary Pressure

Function

Nrvr Silence

Flow Direction

Unidirection

Standard

Application

Industrial Usage, Water Industrial Usage, Household Usage

Color

Silvery or Blue

Feature

Silencer Check Valve

Functions

Prevent Medium Backflow

Applications

HVAC, Fire-Protection

Advantage

Fast Grooved Installation

Customization Available

Customization Supported

Transport Package

Export Standard Package

Specification

Customized

Trademark

quanguan

Origin

China

Key features

Silent Water Hammer Elimination: Spring-loaded center-guided design eliminates water hammer and reduces operational noise effectively.

Fast Grooved Installation: Grooved-end connections allow for quick and easy installation in piping systems.

Multi-Material Options: Available in Ductile Iron, Stainless Steel, and Cast Steel for diverse industrial needs.

Full Customization Support: Supports customization from samples, designs, minor tweaks, and full custom specifications.

Versatile Application Scope: Ideal for HVAC, fire protection, municipal water supply, and industrial liquid transmission.

High-Quality Inspection: 100% visual and function inspection ensures reliability before shipping.

Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, and Western Union for convenient transactions.

Low MOQ Requirement: Minimum Order Quantity is just 1 piece, suitable for small batch testing.

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.