What is the minimum order quantity?

The minimum order quantity is 1 piece.

Cast Steel RF Flanged Duckbill Check Valve

Name: Cast Steel RF Flanged Duckbill Check Valve
Brand: Vatac Valves Corp.
SKU: 766575325

Zhejiang, ChinaVatac Valves Corp.

US$90.00

1 Piece

Product profile

Customization

Available

Media

Water

Material

Cast Steel

Model NO.

H41H

Connection Form

Flange

Structure

Tubular

Pressure

1.0-2.5MPa

Function

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

Sealing Form

Metal

Flow Direction

Unidirection

Standard

ANSI

Application

Industrial Usage, Water Industrial Usage, Household Usage

Characteristic

Duckbill Check Valve

Design & Manufacture

API 6D, Asme B16.34, DIN 3202

Pre-Temp. Rating

Asme B16.34

Face to Face

API 594

Ends Connection

Asme B16.25, Asme B16.5/16.47

Inspect & Test

API 598

Certificate 1

Dnv CE 0575

Certificate 2

ISO 9001: 2008

Certificate 3

API 600

Certificate 4

API 6D

Transport Package

Sea Worthy

Specification

API, ANSI, ASME, DIN, JIS, GB etc.

Trademark

VATAC or OEM

Origin

China

HS Code

84818010

Production Capacity

65000 T Per Year

Key features

Maintenance-Free Operation: No mechanical parts, springs, or external actuation required for reliable backflow prevention.

High Corrosion Resistance: Fabric-reinforced elastomer sleeve resists corrosion, chemical attack, and wear in abrasive media.

Energy Efficient Design: Flexible sleeve ensures maximum flow efficiency with the lowest possible pressure drop.

Wide Application Range: Suitable for water, sewage, sludge, and industrial effluents in municipal and marine settings.

Robust Cast Steel Body: RF flanged cast steel construction provides high structural integrity and easy installation.

Flexible Customization: Offers full, minor, and flexible customization options based on samples or designs.

Company profile

Years of Export ExperienceHigh Repeat Buyers ChoiceIn-stock CapacityLow MOQ

Vatac Valves Corp.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 11 years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier is identified as a manufacturer and factory in Yongjia County, Wenzhou, China, with a stated business scope covering valve production, sales, and import/export. It reports broad customization and ODM capabilities, OEM service for well-known brands, 90% export sales, and 11 years of exporting experience. Production information includes one production line, 6–10 quality-control staff, and stated output across multiple valve categories. Service procedures exist for inspection, complaint handling, corrective actions, and service assessment, but written records are not available. The supplier has no overseas warehouse, showroom, agent or branch, and has not participated in offline trade shows. No certification information is provided. Financial records are referenced for 2021–2023, but no assessable financial results are supplied. Recent product innovation, digitalization, ERP integration, AI-based sustainability practices, and SDK availability are either stated as unavailable or unknown.

Supplier typeThe supplier is explicitly classified as a factory and manufacturer, located in Yongjia County, Wenzhou, China, with a business scope covering valve production, sales, and import/export. This confirms direct manufacturing status rather than a trading-only profile.

Production capacityThe supplier operates one production line, has 6–10 quality-control staff, reports output for plug, gate, globe, check, butterfly, ball, and knife gate valves, and states peak- and off-season lead times within 15 working days. Its 90% export sales and 11 years of export experience further support operational experience, although overall capacity beyond the stated figures is not established.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization, and also provides ODM services. Its valve-production scope is consistent with these stated product-development services.

Client casesThe supplier reports that 90% of total sales come from exports, has exported for 11 years, and provides OEM services for well-known brands. These statements indicate international and branded-customer experience, but no specific customer names, projects, or verifiable case details are provided.

Product Q&A

Q:How does the duckbill check valve prevent backflow?

The resilient sleeve instantly returns to its normally closed position when reverse flow occurs, effectively preventing backflow without mechanical parts.

Q:What materials are used for the valve sleeve?

The sleeve is manufactured from premium fabric-reinforced elastomer materials, including Natural Rubber, NBR, or EPDM.

Q:What are the available size ranges?

The normal size range is DN50 to DN1000, or 2 inches to 40 inches.

Q:Is customization available for this product?

Yes, we offer customization from samples, designs, full customization, minor customization, and flexible customization.

Q:What are the payment terms?

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