Is third-party inspection available?

Yes, we welcome third-party inspections such as BV, SGS, and TUV. Our production strictly follows ISO 9001:2008 and API standards.

What is the lead time for production?

The average lead time is one month for both peak season and off-season.

China Pn16 Ductile Iron Double Flange Centreline Butterfly Valve

Name: China Pn16 Ductile Iron Double Flange Centreline Butterfly Valve
Brand: Dongying Lake Petroleum Technology Co., Ltd.
SKU: 2057543815

Shandong, ChinaDongying Lake Petroleum Technology Co., Ltd.

US$700.00

1 Piece

Product profile

Customization

Available

After-sales Service

Online Guide and Service

Warranty

1 Year

Model NO.

all models

Certification

ISO 9001:2015

Power Source

Hydraulic

Operation Pressure

Atmospheric Pressure

Applicable Medium

Mud

Structure

Butterfly

Material

Ductile Iron Cast Iron

Color

Blue or as Per Your Request

Body/Shell

Ggg40/50; Wcb; CF8; CF8m; 2205; 2507; Al-Bronze

Disc

Ggg40/50; CF8; CF8m; 2205; 2507; 1.4529; Al-Bronze

Stem/Shaft

Ss410/420/416; Ss431; SS304; Monel

Seat Material and Suitable Temp.

EPDM, NBR, Vaiton, Heat Resistant EPDM, PTFE

Operating Selection

Wormgear; Electric Actuator; Pneumatic Actuator; H

Transport Package

Standard Export Package

Specification

1000-3000mm

Trademark

Lake

Origin

China

HS Code

843143

Production Capacity

1000PCS Per Month

Key features

Double Eccentric Design: More resistant to high pressure, longer life, and good stability compared to centerline valves.

Wide Size Range: Available in sizes from 1000mm to 3000mm for large diameter pipelines.

Customizable Materials: Body, disc, and stem materials can be customized to GGG40/50, WCB, CF8, 2205, 2507, Al-Bronze, etc.

Multiple Actuation Options: Supports Wormgear, Electric, Pneumatic, and Hydraulic actuators for flexible operation.

ISO 9001 Certified: Production strictly follows ISO 9001:2008 and API standards with third-party inspection welcome.

Versatile Applications: Ideal for urban water supply, fire protection, water recycling, and chemical industry systems.

Cost-Effective: Larger diameter materials are lighter and offer lower cost compared to other valve types.

Professional Support: Online guide and service available with a 1-year warranty for peace of mind.

Company profile

Exhibition ExperienceMulti-language PioneerYears of Export ExperienceCooperated with Fortune 500

Dongying Lake Petroleum Technology Co., Ltd.

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 14 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.81h

AI-Powered supplier vetting

SummaryThe supplier demonstrates customization, ODM, and OEM capabilities, with a new product reported in the past year and AutoCAD-based R&D. Quality processes include raw-material traceability, documented inspection instructions, and random finished-product inspection, but only one quality inspector is reported. Service procedures and complaint-handling procedures are documented and followed, although corrective/preventive actions lack written records. Overseas service infrastructure is limited: no overseas warehouse, showroom, agents, or branches, and overseas service coverage is listed as zero. Financial, certification, production scale, and customer-case evidence is insufficient for a definitive assessment. Sustainability and digital-management capabilities appear limited, with no ERP, CRM, SAP, or AI-based management implementation reported.

Supplier typeThe supplier is identified through its capabilities as a professional technical supplier, provides ODM services, and supplies OEM services for well-known brands. This supports classification as a technical manufacturing/OEM-ODM supplier, although the slices do not state a formal legal or industry supplier category.

After-Sales capabilityThe supplier has a clear customer-complaint handling procedure with followed records, and service assessment procedures with written procedures and records. However, it reports no overseas warehouse, showroom, agents, or branches, which limits documented overseas service infrastructure.

R&D capabilityThe supplier reports new products in the past year, ODM capability, AutoCAD use, and professional technical-supplier status. Conversely, it reports zero patents, no private mold design capability, no 3D software design service, no SDK, and no AI, ERP, CRM, or SAP-based digital-management capability, indicating some product-development capacity but limited documented innovation infrastructure.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also reports ODM service availability. This is direct evidence of broad customization capability.

Product Q&A

Q:What is the warranty period?

We provide a 1-year warranty for this product.

Q:What materials are available for the valve?

Body/Shell options include GGG40/50, WCB, CF8, CF8M, 2205, 2507, and Al-bronze. Disc options include GGG40/50, CF8, CF8M, 2205, 2507, 1.4529, Al-bronze, Nylon coated, and Halar coated. Stem/shaft options include SS410/420/416, SS431, SS304, and Monel.

Q:How can I place an order?

Please send your inquiry with a detailed item description or model number. We will recommend the most suitable model, provide a quotation, and send an order form for you to fill.

Q:What are the payment methods?

We accept T/T (Telegraphic Transfer) or L/C at sight.

Q:What are the shipping options for samples and bulk orders?

For sample orders, we suggest courier express like DHL/UPS/TNT/FEDEX or by air. For bulk orders, we suggest by air or by sea.