What is the pressure ratio between the water and air chambers?

The pressure ratio between the fire water in the lower chamber and the compressed air in the upper chamber is 1:5-6.

What certifications do your products have?

Our products are certified with CE and other relevant certifications.

Premium Dry System Alarm Valves for Enhanced Safety Solutions

Name: Premium Dry System Alarm Valves for Enhanced Safety Solutions
Brand: Huhang Technology Group Co., Ltd.
SKU: 1946172891

Fujian, ChinaHuhang Technology Group Co., Ltd.

US$18.00-90.00

1 Piece

Product profile

Customization

Available

Application

Automatically Actuate Electric and/or Hydraulic Al

Medium

Water

Model NO.

ZSFG

Material

Ductile Iron/Cast Iron/Stainless Steel

Connection

Flange

Transport Package

Export Standard Package

Specification

DN100-DN200

Trademark

huhang

Origin

China

Production Capacity

50000PCS/Month

Key features

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

OEM and ODM Services: Full customization, minor customization, and flexible customization options available.

Durable Material Options: Available in Ductile Iron, Cast Iron, or Stainless Steel.

High Production Capacity: Supply ability of 50,000 meters per day.

Comprehensive Quality Inspection: 100% inspection including visual and function checks for finished products.

Experienced Manufacturer: Over 20 years of professional experience with 5 major manufacturing facilities.

Flexible Packaging: Standard export carton or customized packaging per customer artwork.

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: ≤1.07h

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.