How do you handle quality problems?

We take full responsibility for all quality problems regarding our products.

What materials are available for the valve?

Materials include A105, F304, F316, F11, F22, F5, F304L, and F316L forged steel.

What is the warranty period?

We provide an 18-month warranty after the products leave the factory.

Integral Flange Forged Steel Lift Swing Check Valve

Name: Integral Flange Forged Steel Lift Swing Check Valve
Brand: Zhejiang Naibang Valve Co., Ltd.
SKU: 933147705

Zhejiang, ChinaZhejiang Naibang Valve Co., Ltd.

US$165.00

5-99 Pieces

US$5.00

100+ Pieces

Product profile

Customization

Available

Media

Oil Water Gas

Temperature

Ordinary Temperature

Model NO.

H41H

Material

Forged Steel

Connection Form

Flange

Structure

Swing

Pressure

Ordinary Pressure

Function

Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe

Sealing Form

Gland Packings Globe Valve

Flow Direction

Unidirection

Standard

ANSI

Application

Industrial Usage, Water Industrial Usage

Size

3/8" to 2"

Class

150lb to 2500lb

Certificates

API 6D, CE, ISO9001

Application Fields

Metallurgy, Light Industrial, Electric Power

Delivery Detail

20~45 Days According to The Specific Quantities

Transport Package

Standard Export Wooden Case

Specification

API602, Bs5352, ANSI B16.34

Trademark

NAIBANG

Origin

China

HS Code

8481804090

Production Capacity

8000PCS/Year

Key features

OEM/ODM Customization: Supports customized logo, size, package, and design from samples or drawings.

20+ Years Manufacturing: Established in 2000 with over 20 years of experience in check valve production.

Wide Material Options: Available in A105, F304, F316, F11, F22, F5, F304L, F316L forged steel.

Strict Quality Control: 100% inspection for finished products including visual and function tests.

Multiple Certifications: Certified with API 6D, CE, and ISO9001 standards for global compliance.

Flexible Payment Terms: Accepts T/T, L/C, Western Union, PayPal, and other secure payment methods.

Fast Delivery: Lead time ranges from 15 to 45 days depending on specific quantities.

18-Month Warranty: Provides 18 months warranty after leaving factory with quality responsibility.

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: ≤7.70h

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.