What is the minimum order quantity?

The minimum order quantity is 1 unit.

What are the available payment terms?

We accept LC and T/T payment terms.

What is the lead time for production?

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

Stainless Steel Rubber Flap Check Valve

Name: Stainless Steel Rubber Flap Check Valve
Brand: Zhejiang Huizheng Valve Technology Co., Ltd.
SKU: 924275595

Zhejiang, ChinaZhejiang Huizheng Valve Technology Co., Ltd.

US$100.00-10,000.00

1 Piece

Product profile

Customization

Available

Media

Water

Temperature

High Temperature

Model NO.

HZ-H72

Material

Stainless Steel

Connection Form

Wafer

Structure

Swing

Pressure

Low Pressure

Function

Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence

Sealing Form

Gland Packings Globe Valve

Flow Direction

Unidirection

Standard

DIN

Application

Industrial Usage, Water Industrial Usage, Household Usage

Transport Package

Plywood Cases

Specification

DN40-DN800

Trademark

HUIZHENG

Origin

China

HS Code

8481804090

Production Capacity

100000PCS/Year

Key features

Silent Check Valve Design: Spring-loaded hinged flapper eliminates water hammer noise and hydraulic shock.

Stainless Steel Construction: Body made of S304 stainless steel with EPDM seat and bronze disc for durability.

Wafer Connection Form: Designed for wafer connection, compatible with PN16 flanged systems.

Unidirectional Flow Control: Allows fluid flow in one direction only, preventing back-flow automatically.

High Temperature Resistance: Engineered to operate effectively under high temperature conditions.

Comprehensive Customization: Offers full, minor, and flexible customization from samples or designs.

100% Product Inspection: All finished products undergo visual and functional inspection before delivery.

DIN Standard Compliance: Manufactured according to DIN standards for industrial reliability.

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: ≤8.79h

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.