What certifications does the product have?

The product is certified with ISO 9001, ISO 14001, OHSAS 18001, CE Marking, AAA Enterprise Certification, and CCC Certification.

What is the warranty and after-sales service policy?

We provide a 12- to 24-month quality guarantee. If issues arise, we reply within 1 hour and provide a solution within 3 hours, including remote guidance or free re-production.

What are the payment terms?

Payment terms include LC, T/T, D/P, PayPal, Western Union, Money Gram, and Small-amount payment.

Ductile Cast Iron Wafer Type Double Door Check Non Reture Valve

Name: Ductile Cast Iron Wafer Type Double Door Check Non Reture Valve
Brand: Tianjin Tanggu General Valve Group Co., Ltd.
SKU: 2093492082

Tianjin, ChinaTianjin Tanggu General Valve Group Co., Ltd.

US$6.80-188.00

1 Piece

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Media

Water

Temperature

Low Temperature

Model NO.

ZGTVT-CHECK VALVE

Material

Cast Iron

Connection Form

Clamp

Structure

Butterfly

Pressure

Low Pressure

Function

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

Sealing Form

Bellows Globe Valve

Flow Direction

Unidirection

Standard

Application

Industrial Usage, Water Industrial Usage, Household Usage

Body Materials

Iron/Wcb/CF8m/CF8/Al-Bronze

Disc Materialsnbr/EPDM/PTFE/Silico

NBR/EPDM/PTFE/Silicone etc

End Standard

Pn6/10/16/25/21/150lb/JIS5K/10K/As2129 Table D/E/F

Face to Face

En558; ISO5752; ANSI B16.10;

Transport Package

Plywood Box

Specification

1100mm*1100mm*1100mm

Trademark

ZGTVT OEM

Origin

China Tianjin

HS Code

8481901000

Production Capacity

5000000PCS/Year

Key features

Customizable Materials: Body and disc materials customizable to Iron, Wcb, CF8m, Stainless Steel, AL-Bronze.

Wide Size Range: Available in sizes DN50 to DN900 for diverse industrial applications.

Strict Quality Control: 100% inspection of finished products including visual and function checks.

Fast Response Support: Problem reply within 1 hour and solution provided within 3 hours.

Flexible Customization: Supports full, minor, and flexible customization from designs.

Global Certifications: Certified with ISO 9001, ISO 14001, CE, and CCC standards.

Low MOQ: Minimum Order Quantity is just 1 unit for flexible purchasing.

Reliable Warranty: 12 to 24-month quality guarantee with free re-production if needed.

Company profile

High Repeat Buyers ChoiceLow MOQOEM ServicesManagement Certification

Tianjin Tanggu General Valve Group Co., Ltd.

Tianjin, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Designs, Full Customization, etc.Export Year: 2018-09-10 CertifiedNearest Port: Tianjin PortAverage Response Time: ≤0.57h

AI-Powered supplier vetting

SummaryThe supplier operates in building and construction-related materials and has four production lines, stated product output across valves, and fewer than five quality-control staff. It reports strong technical strength, manufacturing equipment, testing equipment, quality assurance, customization services, and OEM service for known brands. However, export experience is limited to one year, exports represent 21%–30% of sales, and the primary export market is domestic. Overseas service infrastructure is absent, including overseas warehouses, showrooms, agents or branches, and offline trade-show participation. Service assessment, complaint handling, corrective-action, and supplier-approval procedures lack written procedures or records. R&D documentation is unavailable for audit, no R&D patents are reported, and no SDK is available. Financial information is identified for 2022–2024, but the provided slices do not establish financial strength or credibility.

Supplier typeThe supplier is a building-materials and construction-related manufacturer or seller, with stated production of multiple valve products and four production lines. Its business scope includes building materials, metal parts, construction machinery, waterproofing products, and related products.

After-Sales capabilityThe company claims that after-sales service is in place, but its service capability lacks written assessment, corrective-action, and customer-complaint procedures or records. It also has no overseas warehouse, showroom, agent, branch, or offline trade-show presence, limiting demonstrated overseas support capability.

R&D capabilityThe supplier has CAD-related R&D capability and assigns engineers to customize products according to customer needs. Nevertheless, it reports no available SDK, zero R&D patents, and no design-input, output, review, verification, or validation documents available for audit, indicating limited documented innovation evidence.

Production capacityThe supplier operates four production lines and reports specified output for several valve products, supported by manufacturing equipment, testing equipment, and fewer than five quality-control staff. However, it does not continuously reconcile quantities for each batch or batch production, which is a production-control weakness.

Customization capabilityThe supplier explicitly offers customization from designs, full customization, minor customization, and flexible customization. Its R&D responsibilities include product customization based on customer needs, and it provides OEM services for known brands.

Product Q&A

Q:What materials are available for the valve body and disc?

Body materials include Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel, and AL-Bronze. Disc materials can be Ductile Iron, Carbon Steel, Stainless Steel, or AL-Bronze.

Q:What is the size range and pressure rating?

The size range is DN50-DN900. Working pressure is 16Bar/10Bar, Shell pressure is 24Bar/15Bar, and Seal pressure is 18Bar/11Bar.

Q:Can the valve be customized?

Yes, we offer full customization, minor customization, and flexible customization from designs. Materials, end standards, and face-to-face dimensions can be tailored.

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

The minimum order quantity is 1 unit, allowing for flexible purchasing options.

Q:What is the lead time for production?

The average lead time is within 15 workdays for both peak season and off-season.