What is the sealing mechanism?

It uses a three-eccentric sealing structure with force-sealed metal hard surfaces to avoid leakage.

Do you offer quality inspection?

Yes, 100% inspection including visual and functional checks is performed on all finished products.

Premium Pneumatic Hard Seal Butterfly Valve for Industrial Use

Name: Premium Pneumatic Hard Seal Butterfly Valve for Industrial Use
Brand: Shanghai Nianchi Automation Technology Co. , Ltd.
SKU: 2143917465

Shanghai, ChinaShanghai Nianchi Automation Technology Co. , Ltd.

US$20.00-110.00

1 Set

Product profile

Customization

Available

Media

Water

Driving Mode

Pneumatic

Model NO.

D643H-150LB

Connection Form

Clamp

Structure

Three-Eccentric Sealing

Seal Form

Force Sealed

Valve Stem

Normal

Work Pressure

Low Pressure (Pn<1.6mpa)

Working Temperature

Normal Temperature (-40°C<T<120°C)

Material of Seal Surface

Metal Hard Sealed

Valve Body

Casting

Standard

Hg20615-2009

Application

Industrial Usage, Water Industrial Usage, Household Usage

Transport Package

Wooden Crate

Specification

DN50-DN1000

Trademark

shanghai nianchi

Origin

Shanghai

HS Code

3117960

Production Capacity

10000

Key features

Three-Eccentric Sealing Structure: Designed with three off-center adjustments to ensure tight sealing and prevent leakage.

Pneumatic Control Operation: Fast response speed with precise button control, eliminating manual operation needs.

Durable Metal Hard Seal: Constructed with metal hard sealed surfaces for long-term reliability and corrosion resistance.

Full Customization Available: Offers full, minor, and flexible customization options including design and sample-based.

Fast Response for Harsh Environments: Ideal for chemical plants handling corrosive, flammable, or explosive substances safely.

100% Finished Product Inspection: Every unit undergoes visual and functional inspection before shipping.

OEM and ODM Services: Manufacturer provides both OEM and ODM services for tailored production needs.

Company profile

Importers and Exporters

Shanghai Nianchi Automation Technology Co. , Ltd.

Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.62h

AI-Powered supplier vetting

SummaryThe supplier is a machinery and mechanical-parts manufacturer and technical-service provider with manufacturing capabilities covering metal-processing machinery, valves, pumps, vacuum equipment, pneumatic components, and related parts. It reports full, minor, flexible, design-based, and sample-based customization, ODM services, recent new-product activity, and OEM service for well-known brands. Production evidence includes four production lines, inventory capability, valid contracts with associated subcontractors, 50 quality-control staff, and peak-season fulfillment within 15 working days. Quality assurance and standardized finished-product inspection instructions are reported. However, the evidence does not establish certifications, detailed after-sales mechanisms, or sufficient financial performance information. Overseas support is limited: there are no overseas warehouses, showrooms, agents, or branches, although the supplier exports, attends trade shows, and is located near Shanghai Port.

Supplier typeThe supplier’s stated business scope covers technical services, machinery and machine-part manufacturing, parts processing, valves, pumps, vacuum equipment, pneumatic components, and related sales. This supports classification as a machinery and industrial-components manufacturer with technical-service activities.

R&D capabilityThe supplier reports new products during the past year, ODM services, newly established product research institutions, and three R&D engineers’ total experience. However, it reports no available SDK, and the slices do not provide patents, R&D investment, or measurable innovation outputs.

Production capacityProduction evidence includes four production lines, 50 quality-control staff, inventory capability, valid manufacturing contracts with each related subcontractor, standardized finished-product inspection instructions, and peak-season order fulfillment within 15 working days. These stated capabilities provide explicit support for operational production capacity, although annual output figures are excluded from this assessment.

Customization capabilityThe supplier explicitly offers full, minor, flexible, design-based, and sample-based customization, as well as ODM services and OEM services for well-known brands. This is direct evidence of broad customization and contract-manufacturing capability.