What is the warranty period for the valves?

The quality guarantee period is typically 6 to 12 months, depending on the customer's usage frequency. Some sources also mention an 18-month guarantee.

Are free samples available?

Sample availability depends on the specific product needed. Please contact us directly for details regarding free samples for particular items.

How are the products packaged for shipping?

Packaging includes plastic bags, paper boxes, cartons, and finally a plywood case for outer protection to ensure safe transport.

JIS5K/10K Stainless Steel H74W Check Valve

Name: JIS5K/10K Stainless Steel H74W Check Valve
Brand: Zhejiang Yuzheng Valve Technology Co., Ltd.
SKU: 903282395

Zhejiang, ChinaZhejiang Yuzheng Valve Technology Co., Ltd.

US$6.50

10-19 Pieces

US$6.00

20-29 Pieces

US$5.50

30+ Pieces

Sample price:US$6.00/piece.Request sample

Product profile

Customization

Available

Media

Oil

Temperature

Ordinary Temperature

Material

Stainless Steel

Connection Form

Wafer

Structure

Swing

Pressure

Low Pressure

Function

Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence, Non-Return

Sealing Form

Metal to Metal

Flow Direction

Unidirection

Standard

ANSI/JIS/GB

Application

Industrial Usage, Water Industrial Usage, Household Usage

Size

DN15-DN600

Description

Wafer Type Check Valve

Materials

SS304/316

Certificate

ISO9001:2008,Ce

Transport Package

Carton, Plywood Case

Specification

Trademark

YUZHENG

Origin

Wenzhou, Zhejiang, China

HS Code

8481804090

Production Capacity

100, 000.00 Pieces/Week

Key features

100% Leakage Tested: Every valve undergoes 100% leakage testing at 100 psi air under water to ensure zero defects.

Wide Size Range: Available in sizes from DN15 to DN600 to meet diverse industrial and household application needs.

OEM/ODM Support: Custom logo printing and manufacturing based on customer drawings or samples are fully supported.

Premium Materials: Constructed from SS304/316 stainless steel with metal-to-metal sealing for durability and corrosion resistance.

Flexible MOQ: Low minimum order quantity starting from 1 piece, allowing businesses to start with small orders.

Fast Delivery: Standard lead time is around 25-30 days, with faster 15-day delivery available for stocked items.

Quality Assurance: 100% inspection by professional QA/QC inspectors using CNC devices for precise manufacturing.

Global Standards: Compliant with ANSI/JIS/GB standards and certified with ISO9001:2008 and CE for international use.

Company profile

Importers and ExportersYears of Export Experience

Zhejiang Yuzheng 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: 13 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤2.52h

AI-Powered supplier vetting

SummaryThe supplier demonstrates export experience, broad customization and OEM/ODM capability, inventory capacity, valid manufacturing contracts, and ERP-based process management. It holds ISO9001:2015 and CE certifications and reports 90% of sales from exports, with a stated 13 years of exporting experience. However, after-sales governance is weakly documented: no written complaint-handling, corrective/preventive-action, or service-capability assessment procedures were provided. Innovation evidence is limited because no new products were reported in the past year and no SDK is available. Overseas service coverage is also limited, with no overseas warehouse, showroom, agents, branches, or reported service countries. Customer evidence includes OEM service for well-known brands, participation in a Russian exhibition, and a reported repeat-buyer preference of 50%–80%, but no Fortune 500 cooperation.

Supplier typeThe supplier provides manufacturing and design services, including sample, design, full, minor, and flexible customization, as well as OEM for well-known brands and ODM services. It also reports inventory capacity and valid contracts with associated subcontractors, indicating a manufacturer or manufacturing-integrated supplier profile.

CertificationsThe supplier reports an ISO9001:2015 management-system certificate and CE product compliance certification. These explicitly demonstrate documented certification holdings, although the slices do not specify product scope, validity dates, or issuing bodies.

After-Sales capabilityThe supplier has no written procedures or records for complaint handling, corrective and preventive actions, or effective service-capability assessment. It also lacks overseas warehouses, showrooms, agents, and branches, although it can provide multiple quotation and payment terms and has inventory capacity.

Production capacityThe supplier reports inventory capacity, valid contracts with each associated subcontractor, one-month lead times in both peak and off-season periods, and ERP-supported production and quality-control processes. Finished products are checked by packing staff, but no formal service-capability assessment procedure or records were provided.

Customization capabilityBoth design-service and R&D-related entries list customization from samples, designs, full customization, minor customization, and flexible customization. The supplier also states that ODM services are available, providing explicit evidence of broad customization coverage.

Client casesThe supplier reports OEM service for well-known brands, participation in a Russian offline exhibition, and a repeat-buyer preference of 50%–80%. It reports no cooperation with Fortune 500 companies, and the slices do not identify customer names or specific completed projects.

Product Q&A

Q:Are you a factory or trading company?

We are a factory specialized in manufacturing valves and fittings with over 10 years of experience. We hold ISO9001 certification for manufacturing and processing.

Q:What is your minimum order quantity (MOQ)?

Our MOQ is very flexible, starting from just 1 piece. We believe in building long-term relationships regardless of order size.

Q:Can you customize products with our logo or design?

Yes, we support OEM services. We can print your logo and manufacture products based on your specific drawings or samples.

Q:What is the lead time for production?

The standard lead time is around 25-30 days. If products are in stock, delivery can be completed in approximately 15 days.

Q:How do you guarantee product quality?

We use CNC devices for accurate manufacturing and conduct 100% inspection. Every valve is tested for leakage at 100 psi air under water.