What are the lead times for delivery?

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

What payment terms are accepted?

We accept LC, T/T, D/P, PayPal, and small-amount payment.

What are the main application scenarios?

It is suitable for use in hotels, industry, and general ventilation systems.

Round Air Flow Volume PVA Back Draught Damper for Air Conditioning Duct

Name: Round Air Flow Volume PVA Back Draught Damper for Air Conditioning Duct
Brand: NEW HVACR TECHNOLOGY (NINGBO) CO., LTD
SKU: 2013790275

Zhejiang, ChinaNEW HVACR TECHNOLOGY (NINGBO) CO., LTD

US$0.98-1.15

800 Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Usage

for Air Conditioner

Model NO.

PVA

Application

Transportation

Shape

Round

Performance

Low Noise

Model Number

Back Draught Damper

Product Name

Duct Connector

Application Scenarios

Hotel, Industry

Function

Ventilation System

Feature

Durable

Transport Package

by Sea

Specification

standard

Trademark

Zengo

Origin

China

Production Capacity

20000

Key features

Reverse Flow Prevention: Prevents air flow reversal in circular duct systems effectively.

Durable Construction: Casing made from galvanized steel with aluminium blades for longevity.

Low Noise Performance: Features inner foam seal for better tightness and noise reduction.

Automatic Spring Operation: Opens automatically during overpressure and closes via spring when pressure drops.

Horizontal Installation: Recommended for installation into horizontal duct systems.

Versatile Applications: Suitable for hotels, industries, and general ventilation systems.

Fast Off-Season Delivery: Lead time within 15 workdays during off-peak seasons.

Flexible Payment Options: Accepts LC, T/T, D/P, PayPal, and small-amount payments.

Company profile

Importers and ExportersMulti-language PioneerFlexible CustomizationQA/QC Inspectors

NEW HVACR TECHNOLOGY (NINGBO) CO., LTD

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2003-06-01Nearest Port: Ningbo/ShanghaiAverage Response Time: ≤2.49hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF, DDP, DAP, Others

AI-Powered supplier vetting

SummaryThe supplier is presented as a professional technical HVAC/R supplier with production lines, moulds, patents, and a complete HVAC/R product range. It reports ISO 9000 and ISO 9001 management-system certifications and states that most products hold CE, RoHS, and UL approvals. Customization is available from samples and designs, including full, minor, and flexible customization. However, the supplier does not provide 3D software design, ODM, SDK, or well-known-brand OEM services, and launched no new products in the past year. It has no overseas warehouse, showroom, agent or branch, and has not participated in offline trade shows. Service quality assurance is stated, but complaint handling and corrective-action arrangements are described only as “Others.” Financial records are referenced for 2022–2024, but no financial performance details are provided. No specific customer cases are identified.

Supplier typeThe supplier is explicitly identified as a professional technical supplier and describes a complete HVAC/R range with production lines, moulds, patents, and one-stop solutions. Its stated business scope also covers hardware, building materials, mechanical equipment, refrigeration and air-conditioning equipment, and related technical services.

CertificationsThe supplier reports ISO 9000 and ISO 9001 management-system certifications. It also states that most products are approved by CE, RoHS, and UL, although the evidence does not indicate that every product holds these approvals.

R&D capabilityThe supplier has R&D capability, patents, and states that it continues to innovate and improve technology. Conversely, it launched no new products in the past year and does not provide ODM, SDK, or 3D software design services, indicating some limitations in documented innovation-service breadth.

Production capacityThe supplier states that it owns a series of production lines and moulds and provides a complete HVAC/R product range. Its business scope includes sales of refrigeration and air-conditioning equipment and related industrial products, supporting production-related capability, although no capacity or output figures are given.

Customization capabilityThe supplier explicitly offers customization from samples and designs, as well as full, minor, and flexible customization. This supports a broad customization offering, but 3D software design is not available.