What standards does the valve comply with?

The valve complies with API594 for face-to-face dimensions per ANSI B 16.10, flange ends per ANSI B 16.5/ANSI B 16.47, and final inspection tests to API598.

What types of connections are available?

Available connection types include lug type, wafer type, and flanged type, with options for horizontal or vertical service.

Dual Plate Swing Check Valve Lug Type Retainerless Valves

Name: Dual Plate Swing Check Valve Lug Type Retainerless Valves
Brand: Zhejiang Naibang Valve Co., Ltd.
SKU: 2147217955

Zhejiang, ChinaZhejiang Naibang Valve Co., Ltd.

US$300.00

5-99 Pieces

US$10.00

100+ Pieces

Product profile

Customization

Available

Media

Water Steam Oil

Temperature

Ordinary Temperature

Model NO.

HRTL76

Material

Stainless 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

Wenzhou, Zhejiang, China

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

API6D, ISO9001, CE, SGS, etc

Trademark

NIPO

Origin

Wenzhou, Zhejiang, China

HS Code

8481300000

Production Capacity

5000PCS/Year

Key features

Wide Size Range: Available in sizes from 2' to 60' (DN50-DN1500) for versatile industrial applications.

High Pressure Class: Rated for Class 150LB to 2500LB (PN16-PN420) to handle demanding pressure conditions.

Extensive Material Options: Constructed from WCB, Stainless Steel, Duplex, Monel, Alloy 20, and more for specific media.

Versatile Connection Types: Offers lug type, wafer type, and flanged type connections to suit various piping systems.

Corrosion Protection: Features inside and outside epoxy coating to enhance durability and corrosion resistance.

Flexible Customization: Supports customization from samples or designs, including Class and Certificate requirements.

Strict Quality Inspection: 100% finished product inspection including visual and function tests per API598 standards.

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: ≤8.01h

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.

Product Q&A

Q:What materials are available for this valve?

We offer a wide range of materials including WCB, WCC, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF3M, CN7M, LCB, LCC, Duplex SS, C95800, C95500, Monel, and Alloy 20.

Q:What is the size range of the Dual Plate Swing Check Valve?

The valve is available in sizes from 2 inches to 60 inches, corresponding to DN50 to DN1500.

Q:What pressure classes are supported?

The valve supports Class 150LB to 2500LB and PN16 to PN420 pressure ratings.

Q:Can the valve be customized?

Yes, we support customization from samples or designs, including specific classes and certificates like API 6D, CE, and ISO9001.

Q:What is the lead time for delivery?

Delivery detail is 20-45 days according to the specific quantities. Peak season lead time is one month, while off-season lead time is within 15 workdays.