What sizes are available?

We supply DN50, DN80, DN100, DN125, DN150 and other standard sizes.

What material is the valve body?

Standard body is Q235 steel plate; stainless steel is optional.

What industry standard does it comply with?

It conforms to JB/T 5345 standard for transformer fittings.

Is it suitable for outdoor substation?

Yes, anti-rust coating is applied to adapt to outdoor harsh climate.

Will you test the valves before delivery?

All products pass pressure and vacuum leakage inspection before shipment.

Butterfly Valve for Transformer

Name: Butterfly Valve for Transformer
Brand: Xinyuan Technology (Tianjin) Co., Ltd.
SKU: 2321062895

Tianjin, ChinaXinyuan Technology (Tianjin) Co., Ltd.

US$40.00

1 Piece

Product profile

Customization

Available

Transport Package

Carton

Specification

Customizable

Model NO.

Transformer

Trademark

Xinyuan

Origin

China

HS Code

8504901900

Production Capacity

5000pieces

Key features

Specialized isolation valve designed for oil-immersed transformer radiator pipeline

Excellent zero-leakage sealing performance under vacuum working condition

Simple 90-degree manual rotation for fast opening and closing operation

Built-in open/close position indicator and oil flow direction marking

Lockable handle design to prevent accidental misoperation on site

Q235 steel body with anti-rust coating for outdoor long service

Low flow resistance inside valve, little impact on oil circulation

Allow radiator maintenance without draining transformer insulating oil

Multiple standard sizes: DN50, DN80, DN100, DN125, DN150

Compliant with JB/T 5345 industry standard for transformer fittings

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Xinyuan Technology (Tianjin) Co., Ltd.

Tianjin, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 1 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤8.34h

About Our Factory & Business Background

AddressNo. 5, Erwei Road, Jingbao Sub-park, Tianjin Pharmaceutical & Medical Device Industrial Park, Beichen District, Tianjin, P. R. China

Plant Area2000 square meters

Number of Employees6

Registered Capital1,000,000 RMB

Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Minimum Order Quantity200 Kg

Supply Chain Partners5

Our Production Capability & Technical Expertise

Main ProductsTransformer Insulating Materials

Production Lines1

Production MachinesCNC engraving machine, Cutter saw, Flat plate pulling machine, Numerical Control Machining Center, Precision sliding saw

QA/QC inspectors1 people

Inspection Type for Finished ProductsRandom inspection(Visual inspection)

Inspection Method for Finished ProductsFinished product checked by packing staff

R&D Engineers1 people

Traceability of Raw MaterialsNo

Our Industry Experience & Global Business Record

Year of Establishment2026-03-09

Main MarketsDomestic

Repeat Buyers Choice50%~80%

Number of Foreign Trading Staff2

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Cooperated with Fortune 500No

Product Q&A

Q:What is the model of this butterfly valve?

It is BD series manual butterfly valve specially used for oil immersed transformers.

Q:Where is this butterfly valve installed?

It is mounted between transformer tank and radiator to control insulating oil circuit.

Q:What is its main function?

It can cut off or connect oil flow for radiator maintenance without draining oil.

Q:Can it work under vacuum condition?

Yes, it has reliable sealing performance for vacuum working environment.

Q:Are there open and close marks on the valve?

Yes, it is equipped with open/close indicator and oil flow direction arrow.

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Xinyuan Technology (Tianjin) Co., Ltd.

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Butterfly Valve for Transformer