Can it be used for offshore wind transformer?

Yes, marine anti-corrosion coating version is optional for offshore environment.

Can it withstand vacuum oil filling?

Yes, good vacuum tightness to meet transformer vacuum oil injection requirements.

What tests are done before shipment?

All butterfly valves pass pressure test and sealing test.

What is the main advantage?

Isolate radiator for maintenance without draining all transformer oil, save time and oil cost.

Butterfly Valve for Transformer Oil Tank

Name: Butterfly Valve for Transformer Oil Tank
Brand: Xinyuan Technology (Tianjin) Co., Ltd.
SKU: 2331722785

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

Special butterfly valve for transformer radiator cooling oil circuit.

Manual operation, easy to open and close on site.

Reliable oil-resistant sealing ring, prevent insulating oil leakage.

With position indicator, clearly show open / close status.

Locking device to avoid accidental misoperation.

Isolate radiator for overhaul without draining all transformer oil.

Good vacuum performance, fit for transformer vacuum oil filling.

Anti-vibration structure, stable operation under transformer vibration.

Optional heavy anti-corrosion coating for offshore salt fog environment.

Compact wafer structure, save installation space.

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 butterfly valve for transformer?

It is manual isolation valve installed on transformer radiator pipeline to control insulating oil flow.

Q:Where is the butterfly valve installed?

It is mounted on the oil pipeline between transformer tank and radiator.

Q:Can you supply different sizes?

Yes, DN50, DN80, DN100 and other sizes are available.

Q:Does it have open / close position indicator?

Yes, built-in position indicator to check valve status directly.

Q:Is there lock function?

Yes, locking device to prevent unintentional operation.

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Butterfly Valve for Transformer Oil Tank