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Double Connecting Nozzle Pressure Vacuum Relief Valve
US$175.00
5-99 Pieces
US$10.00
100+ Pieces
Product profile
Customization
AvailableSize
DN50 - DN300Class
150lb to 2500lbModel NO.
HXF-IICertificates
API 6D, CE, ISO9001Application Fields
Light Industrial, Electric Power, PetrochDelivery Detail
20~45 Days According to The Specific QuantitiesTransport Package
Standard Export Wooden CaseSpecification
API6D, ISO9001, CE, SGS, etcTrademark
NIPOOrigin
Wenzhou, Zhejiang, ChinaHS Code
8481804090Production Capacity
2000PCS/YearKey features
Dual Safety Function: Combines breathing valve and fire arrestor to prevent overpressure, vacuum, and flame entry.
Customizable Pressure: Operating pressure can be decided by customer's specified requirements.
Wide Material Options: Shell materials include WCB, AL, CF8, 304, 304L, 316, 316L for various chemical environments.
Customizable Size: Available in sizes from DN50 to DN300 to fit different tank specifications.
Customizable Class: Pressure classes range from 150lb to 2500lb for diverse industrial applications.
Energy Saving Design: Reduces tank fluid volatile and evaporation loss while maintaining pressure balance.
Flexible Certification: Certified with API 6D, CE, and ISO9001 standards for quality assurance.
OEM/ODM Service: Supports customization from samples and designs with professional technical support.
Company profile
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: ≤5.43h
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.
Product Q&A
Q:What is the main function of this valve?
A:
It acts as a breathing valve and fire arrestor to prevent tank overpressure, vacuum destruction, and flame entry while reducing fluid volatility.
Q:What are the available pressure types?
A:
Type A: +355pa/-295pa; Type B: +980pa/-295pa; Type C: +1950pa/-0.5Kpa; Type D: Customizable pressure based on customer specification.
Q:Which materials are used for the shell?
A:
Shell materials include WCB, AL, CF8, 304, 304L, 316, and 316L, suitable for gasoline, kerosene, diesel, and aromatics.
Q:Can the size and pressure class be customized?
A:
Yes, sizes range from DN50 to DN300, and classes range from 150lb to 2500lb. Customization from samples and designs is available.
Q:What certifications does the product have?
A:
The product holds API 6D, CE, and ISO9001 certifications.
Send Inquiry
*To:
Zhejiang Naibang Valve Co., Ltd.
Zhejiang Naibang Valve Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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