What is the lead time for production?

Lead time is 20-45 days depending on quantity, with peak season taking 1-3 months and off-season within 15 workdays.

Is customization available?

Yes, OEM and ODM services are available, with customization from samples or designs.

What is the minimum order quantity?

The minimum order quantity is 1 unit.

Double Flange Type Double Disc Swing Check Valve

Name: Double Flange Type Double Disc Swing Check Valve
Brand: Zhejiang Naibang Valve Co., Ltd.
SKU: 1940703035

Zhejiang, ChinaZhejiang Naibang Valve Co., Ltd.

US$350.00

5-99 Pieces

US$15.00

100+ Pieces

Product profile

Customization

Available

Media

Water Oil Steam

Temperature

Ordinary Temperature

Model NO.

HR46

Material

Cast Steel

Connection Form

Flange

Structure

Swing

Pressure

Ordinary Pressure

Function

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

Sealing Form

Gland Packings Globe Valve

Flow Direction

Unidirection

Standard

ANSI

Application

Industrial Usage, Water Industrial Usage

Size

2" to 54"

Class

150lb to 2500lb

Certificates

API 6D, CE, ISO9001

Application Fields

Metallurgy,Light Industrial,Electric Power,Petroch

Delivery Detail

20~45 Days According to The Specific Quantities

Transport Package

Standard Export Wooden Case

Specification

API598, API6d, ANSI, Bs, DIN, JIS

Trademark

NAIBANG

Origin

China

HS Code

8481300000

Production Capacity

5000PCS/Year

Key features

Double Disc Design: Reduces water hammer pressure and flow resistance for efficient operation.

Wide Size Range: Available in sizes from 2' to 80' (DN50-DN2000) for diverse applications.

High Pressure Rating: Class 150LB to 2500LB, PN16-PN420 for demanding industrial environments.

Durable Materials: Constructed from WCB, CF8M, Duplex SS, Monel, and Alloy 20 for corrosion resistance.

Compact Structure: Short type design offers small size, light weight, and easy installation.

Long Service Life: Designed for over 10 years of reliable use in water, steam, and oil pipelines.

Low Flow Resistance: Flow resistance coefficient of 2.6-0.7 ensures high transmission efficiency.

Strict Quality Control: 100% inspection including visual and function tests before delivery.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceIn-stock Capacity

Zhejiang Naibang Valve 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 CertifiedExport Year: 24 Years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤7.62h

AI-Powered supplier vetting

SummaryThe supplier demonstrates OEM and ODM capability, customization from samples and designs, five production lines, stated valve production capacity, in-stock service, and documented quality-control and complaint-handling procedures. It reports ISO9001:2015 certification and exports to Southeast Asia, the Middle East, and other countries or regions. However, it lacks a valid manufacturing-capacity contract with its associated subcontractor, overseas warehouses, overseas agents or branches, an overseas showroom, offline trade-show participation, and an available SDK. R&D evidence is mixed: design customization and ODM are available, but no new products were reported in the past year. Financial evidence is limited to year labels rather than assessable financial results, so credibility cannot be determined from the provided data.

Supplier typeThe supplier is presented as a manufacturing-oriented valve supplier with OEM service for well-known brands, in-stock capability, five production lines, and products used in power, water processing, construction, petrochemical, metallurgy, paper, and pharmaceutical applications. It also exports to Southeast Asia, the Middle East, and other countries or regions, but has no overseas agents or branches.

CertificationsThe supplier reports quality assurance in its quality-control processes and holds an ISO9001:2015 certificate along with unspecified additional certifications. The available evidence supports certification holding, although the additional certifications are not identified.

After-Sales capabilityThe supplier has a documented and followed customer-complaint procedure, written supplier-assessment procedures with records, and service proximity to Shanghai and Ningbo ports. However, it has no overseas warehouse, overseas showroom, overseas agents or branches, or stated overseas service coverage, limiting direct international service infrastructure.

Production capacityThe supplier reports five production lines, valve production quantities, in-stock capacity, a one-month peak-season fulfillment time, and a broad equipment base including CNC, lathes, grinding, drilling, cutting, painting, and sand-blasting equipment. However, it lacks a valid contract covering manufacturing capacity with its associated subcontractor, which is a documented operational deficiency.

Customization capabilityThe supplier explicitly offers customization from samples and from designs, and also provides ODM services. These statements directly support both sample-based and design-based customization capability.

Client casesThe supplier states that it provides OEM services for well-known brands and that its products have been used in domestic power stations, wastewater processing, urban construction, petrochemical, oil extraction, metallurgy, fertilizer, paper, and pharmaceutical applications. It also reports exports to many countries and regions, providing concrete application and market references, although no customer names are supplied.