If products have some quality problem, how would you deal with?

We will be responsible for all quality problems. We welcome customers to contact us for cooperation.

What are the available body materials?

Body materials include carbon steel, aluminum alloy, and stainless steel (SUS304, SUS304L, SUS316, SUS316L).

What is the operating pressure range?

Types A, B, and C have specific ranges (e.g., Type A: +355pa/-295pa). Type D is according to user requirement.

Pressure Vacuum Relief Valve Breathing Valve

Name: Pressure Vacuum Relief Valve Breathing Valve
Brand: Zhejiang Naibang Valve Co., Ltd.
SKU: 1913630935

Zhejiang, ChinaZhejiang Naibang Valve Co., Ltd.

US$175.00

5-99 Pieces

US$10.00

100+ Pieces

Product profile

Customization

Available

Size

DN50 - DN300

Class

150lb to 2500lb

Model NO.

HXF-IZ

Certificates

API 6D, CE, ISO9001

Application Fields

Metallurgy,Light Industrial,Electric Power,Petroch

Delivery Detail

20~45 Days According to The Specific Quantities

Transport Package

Standard Export Wooden Case

Specification

API6D, ISO9001, CE, SGS, etc

Trademark

NIPO

Origin

Wenzhou, Zhejiang, China

HS Code

8481804090

Production Capacity

2000PCS/Year

Key features

Wide Size Range: Available in sizes from DN50 to DN300 for diverse tank applications.

High Pressure Class: Supports pressure classes from 150lb to 2500lb for heavy-duty use.

Customizable Materials: Body made of carbon steel, aluminum alloy, or stainless steel (SUS304/316).

Flexible Pressure Types: Offers Type A, B, C, and D options, with Type D customizable to user needs.

OEM/ODM Service: Supports customized logo, size, and packaging for brand identity.

Strict Certification: Certified by API 6D, CE, and ISO9001 for quality assurance.

Professional Manufacturer: Over 20 years of manufacturing experience with 100% product inspection.

Global Market Reach: Serving markets in North America, Europe, Asia, Africa, and the Middle East.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceIn-stock Capacity

Zhejiang Naibang Valve Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 24 Years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤7.70h

AI-Powered supplier vetting

SummaryThe supplier demonstrates OEM and ODM capability, customization from samples and designs, five production lines, stated valve production capacity, in-stock service, and documented quality-control and complaint-handling procedures. It reports ISO9001:2015 certification and exports to Southeast Asia, the Middle East, and other countries or regions. However, it lacks a valid manufacturing-capacity contract with its associated subcontractor, overseas warehouses, overseas agents or branches, an overseas showroom, offline trade-show participation, and an available SDK. R&D evidence is mixed: design customization and ODM are available, but no new products were reported in the past year. Financial evidence is limited to year labels rather than assessable financial results, so credibility cannot be determined from the provided data.

Supplier typeThe supplier is presented as a manufacturing-oriented valve supplier with OEM service for well-known brands, in-stock capability, five production lines, and products used in power, water processing, construction, petrochemical, metallurgy, paper, and pharmaceutical applications. It also exports to Southeast Asia, the Middle East, and other countries or regions, but has no overseas agents or branches.

CertificationsThe supplier reports quality assurance in its quality-control processes and holds an ISO9001:2015 certificate along with unspecified additional certifications. The available evidence supports certification holding, although the additional certifications are not identified.

After-Sales capabilityThe supplier has a documented and followed customer-complaint procedure, written supplier-assessment procedures with records, and service proximity to Shanghai and Ningbo ports. However, it has no overseas warehouse, overseas showroom, overseas agents or branches, or stated overseas service coverage, limiting direct international service infrastructure.

Production capacityThe supplier reports five production lines, valve production quantities, in-stock capacity, a one-month peak-season fulfillment time, and a broad equipment base including CNC, lathes, grinding, drilling, cutting, painting, and sand-blasting equipment. However, it lacks a valid contract covering manufacturing capacity with its associated subcontractor, which is a documented operational deficiency.

Customization capabilityThe supplier explicitly offers customization from samples and from designs, and also provides ODM services. These statements directly support both sample-based and design-based customization capability.

Client casesThe supplier states that it provides OEM services for well-known brands and that its products have been used in domestic power stations, wastewater processing, urban construction, petrochemical, oil extraction, metallurgy, fertilizer, paper, and pharmaceutical applications. It also reports exports to many countries and regions, providing concrete application and market references, although no customer names are supplied.