Is this valve maintenance-free?

Yes, due to its simple structure and automatic functions, it is considered a virtually maintenance-free product.

What is the minimum pressure difference for air closure?

The exhaust pressure differential (air closure pressure) is greater than 0.2 MPa.

Do you offer OEM and ODM services?

Yes, we provide OEM and ODM services including customization from samples, designs, and full customization.

Hagp4X Ductile Iron Flanged Compound High-Speed Inlet and Exhaust Valve

Name: Hagp4X Ductile Iron Flanged Compound High-Speed Inlet and Exhaust Valve
Brand: Huhang Technology Group Co., Ltd.
SKU: 2089008862

Fujian, ChinaHuhang Technology Group Co., Ltd.

US$29.00-268.00

1 Piece

Product profile

Customization

Available

Type

Rapid Exhaust Valve

Material

Ductile Iron,Stainless Steel,Cast Steel

Model NO.

HAGP4X

Certification

RoHS, CE, ISO9001, TS16949, TUV, GS, Acs

Connection Form

Flange

Pressure

Low Pressure

Transport Package

Export Standard Packagea

Specification

DN40-DN600

Trademark

huhang

Origin

China

Production Capacity

50000PCS/Month

Key features

Maintenance-Free Design: Simple structure with automatic inlet and exhaust functions for both large and small orifices.

High-Speed Exhaust: Exhaust speed reaches up to Mach 1 (340 m/s) at normal atmospheric pressure.

Superior Air Closure: Exhaust pressure differential greater than 0.2 MPa prevents self-closing under any pressure.

Vacuum Breaking Capability: Automatically allows large air intake to break vacuum and ensure pipeline safety.

Leak-Proof Closure: Valve closes instantly after exhausting without water leakage when impacted by pressurized water.

Customizable Sizes: Size standards can be customized according to specific requirements.

Comprehensive Certifications: Certified by RoHS, CE, ISO9001, TS16949, TUV, GS, and Acs.

OEM and ODM Services: Offers flexible customization from samples, designs, and full customization options.

Company profile

High Repeat Buyers ChoiceSelf-brandedPatents AwardedExhibition Experience

Huhang Technology Group Co., Ltd.

Fujian, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 7 years CertifiedNearest Port: Xiamen PortAverage Response Time: ≤1.17h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad manufacturing and technical capabilities, including environmental-protection equipment, water-resource machinery, fire-related services, OEM/ODM support, product customization, and SDK availability. It reports ISO9001:2015, ISO45001:2018, ISO14001, CE, and other certifications. Quality, complaint handling, corrective-action, finished-product inspection, and supplier-assessment procedures are documented and followed. Production evidence includes three production lines, inventory capability, ten experienced export-trade staff, and one-month average lead times in both peak and off-season periods. However, the supplier lacks a valid contract with affiliated subcontractors and has no overseas warehouse or showroom. Financial information is identified for 2021–2023, but the provided slices do not disclose financial results or sufficient indicators to assess financial strength. No Fortune 500 cooperation is reported, although OEM service for well-known brands and repeat-buyer...

Supplier typeThe stated business scope covers sales and manufacturing of environmental-protection and water-resource equipment, as well as fire technical services and related technical services. This indicates a manufacturer and technical-service supplier rather than a purely trading entity.

CertificationsThe supplier reports CE and other product-compliance certifications, together with ISO9001:2015, ISO45001:2018, ISO14001, and other management or sustainability certifications. These explicitly support compliance and management-system capability.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaints, plus written supplier-service assessment procedures. However, it reports no overseas warehouse and no overseas showroom, which limits certain overseas service resources.

R&D capabilityThe supplier reports new products during the past year, ODM capability, SDK availability, and eight R&D engineers. These are explicit indicators of active product-development and technical resources.

Production capacityProduction evidence includes three production lines, inventory capability, standardized finished-product inspection instructions, one-month average lead times in both peak and off-season periods, and quality-assurance procedures. A deficiency exists because the factory and affiliated subcontractors reportedly have no valid manufacturing contract, creating a documented subcontracting-control weakness.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, indicating broad product-development and customization coverage.

Client casesThe supplier reports OEM service for well-known brands and a repeat-buyer preference of 80%–100%, which supports the existence of established customer relationships. However, it reports no cooperation with Fortune 500 companies, and no specific customer names or case details are provided.