What is the warranty period for the valves?

We provide a quality guarantee period of 6 to 12 months, depending on the customer's usage frequency.

Are free samples available?

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

How are the products packed?

Packaging includes plastic bags, paper boxes, cartons, and plywood cases to ensure safe delivery.

Wholesale Stainless Steel Double Plate Check Valve

Name: Wholesale Stainless Steel Double Plate Check Valve
Brand: Zhejiang Yuzheng Valve Technology Co., Ltd.
SKU: 790176905

Zhejiang, ChinaZhejiang Yuzheng Valve Technology Co., Ltd.

US$2.50

10-19 Pieces

US$2.10

20-29 Pieces

US$2.00

30+ Pieces

Sample price:US$4.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Connection Form

Thread

Model NO.

YZV259

Structure

Elevated

Pressure

Low Pressure

Function

Nrvr Silence

Sealing Form

Gland Packings Globe Valve

Flow Direction

Bidirectional

Standard

ANSI

Application

Industrial Usage, Water Industrial Usage, Household Usage

Thread

BSPT, BSPP, NPT

Size

1/4"-4"

Logo

OEM

Type

Meat Seal

Description

Vertical Check Valve

Transport Package

Carton

Specification

Trademark

YUZHENG

Origin

Wenzhou, Zhejiang, China

HS Code

8481804090

Production Capacity

100, 000.00 Pieces/Week

Key features

OEM Logo Customization: We can print your logo on valves and manufacture based on your drawings.

Low MOQ Support: Minimum order quantity is just 1 piece, supporting small trial orders.

Wide Material Options: Available in Stainless Steel 304/316, WCB, SCPH2, and SCS304/316.

Flexible Thread Types: Supports BSPT, BSPP, NPT, G.NPT, BSP, and DIN259/2999 connections.

High Production Capacity: Capable of producing 10,000 pieces per week with CNC precision.

Strict Quality Control: 100% inspection by visual and function tests before packing.

Global Export Experience: Exported to North America, South America, Europe, and Middle East.

Competitive Pricing: Factory direct sales with competitive prices and good after-sale service.

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: ≤2.47h

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 and ECM compliance verification.

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

The MOQ is 1 piece. We welcome small orders and aim to build long-term business relationships based on quality and competitive pricing.

Q:Can you print our logo on the valves?

Yes, we can customize products according to your specific requests, including printing logos and manufacturing based on your drawings.

Q:What is the lead time for production?

The normal lead time is around 30 days. If products are in stock, delivery can be completed in about 15 days.

Q:How do you guarantee product quality?

We use numerical control devices for accurate manufacturing. Every valve or fitting undergoes 100% inspection by quality inspectors to ensure it is qualified.