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The average lead time is one month for both peak and off-peak seasons.

Type A21h Spring Loaded Low Lift Safety Valve

Name: Type A21h Spring Loaded Low Lift Safety Valve
Brand: Zhejiang Huizheng Valve Technology Co., Ltd.
SKU: 939550115

Zhejiang, ChinaZhejiang Huizheng Valve Technology Co., Ltd.

US$100.00-10,000.00

1 Piece

Product profile

Customization

Available

Media

Water

Certification

CCC, RoHS, ISO, CE

Model NO.

360

Temperature

Ordinary Temperature

Connection

Thread

Valve Seat

Single-Seat

Structure

Diaphragm

Material

Cast Iron

Diaphgram

Nylon+EPDM/Viton

Seal Rings

NBR/EPDM/Viton

Pipes/Tubes

Copper or Stainless Steel

Coating

Epoxy Resin Coated to 300 Microns Inside & Outside

Transport Package

Bubble Bags and Wooden Case

Specification

2"-24"

Trademark

HUIZHENG

Origin

China

HS Code

8481804090

Production Capacity

100000PCS/Year

Key features

Automatic Pressure Relief: Opens automatically when pressure exceeds limits to prevent equipment explosion.

Full Volume Discharge: Provides full opening discharge to rapidly reduce pressure and ensure safety.

Multi-Certification Compliance: Certified with CCC, RoHS, ISO, and CE standards for global market access.

Durable Cast Iron Body: Constructed from robust cast iron with epoxy resin coating for corrosion resistance.

Flexible Customization: Supports full customization, minor adjustments, and customization from samples.

High-Quality Inspection: 100% visual and functional inspection ensures product reliability.

OEM/ODM Service: Professional OEM and ODM services available for tailored manufacturing.

Company profile

Zhejiang Huizheng Valve Technology 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, etc. CertifiedExport Year: 4 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤0.78h

AI-Powered supplier vetting

SummaryThe supplier demonstrates established valve manufacturing and service capabilities, with dedicated engineering, production, pre-sales, after-sales, logistics, and export personnel. It holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications, supports extensive customization, maintains inventory capability, and has 16 years of export experience with 51%–70% of sales from exports. Service procedures for supplier assessment, corrective actions, complaints, and finished-product inspection are documented and followed. However, the supplier lacks an effective manufacturing contract with related subcontractors, has no overseas warehouse or showroom, does not conduct ongoing batch quantity reconciliation, and has no outsourcing SOP. Innovation evidence is mixed: it has 10 R&D engineers and one national science and technology progress award, but no SDK and no new products launched last year. No Fortune 500 cooperation is reported.

Supplier typeThe supplier is a valve manufacturer with five production lines, three subsidiary production workshops, and products including electric, pneumatic, self-operated control valves and ball valves. It also provides OEM services for well-known brands and maintains in-stock capability, indicating a manufacturing-oriented supplier rather than a purely trading entity.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, alongside stated quality assurance and documented supplier-service assessment procedures. These certifications and procedures provide explicit evidence of formal quality, occupational safety, and environmental management systems.

After-Sales capabilityThe supplier has five full-time after-sales staff and documented, followed procedures for corrective and preventive actions and customer complaints. It also has inventory capability and identified access to Ningbo and Shanghai ports, but no overseas warehouse or showroom; the available evidence nevertheless supports a defined domestic and export service structure.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization. Its workshops produce multiple valve categories, reinforcing that customization is connected to an established product-manufacturing base.