What materials are used for the valve body?

Body materials include Carbon steel, Stainless steel, Duplex stainless steel, Bronze, and Inconel.

What actuation methods are supported?

The valve can be operated manually or with electric and pneumatic actuators.

Is customization available?

Yes, we offer OEM, ODM, and full customization from samples or designs.

API Double Offset Butterfly Valve Flanged Type

Name: API Double Offset Butterfly Valve Flanged Type
Brand: Zhejiang Huizheng Valve Technology Co., Ltd.
SKU: 928621245

Zhejiang, ChinaZhejiang Huizheng Valve Technology Co., Ltd.

US$100.00-10,000.00

1 Set

Product profile

Customization

Available

Media

Gas

Driving Mode

Manual,Electric,Pneumatic

Connection Form

Flange

Structure

Double-Eccentric Sealing

Seal Form

Auto Sealed

Valve Stem

Normal

Work Pressure

Mid-Pressure (2.5mpa< Pn <6.4mpa)

Working Temperature

Medium Temperature (120°C<T<450°C)

Material of Seal Surface

Soft Sealed

Valve Body

Sheet Metal

Standard

API

Application

Industrial Usage, Water Industrial Usage, Household Usage

Size

Pn16-Pn64, DN20-DN450

Transport Package

Wooden Case

Specification

PN16-PN64, DN20-DN450

Trademark

HUIZHENG

Origin

China

HS Code

8481804090

Production Capacity

5000000sets/Year

Key features

Multiple Material Options: Body available in Carbon steel, Stainless steel, Duplex, Bronze, and Inconel.

Flexible Actuation: Supports Manual, Electric, and Pneumatic actuator operations.

Comprehensive Certifications: Certified with GS, RoHS, CE, ISO9001, FDA, SIL 2, and LFGB.

Customization Services: Offers OEM, ODM, and full customization from samples or designs.

Company profile

Zhejiang Huizheng Valve Technology 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, etc. CertifiedExport Year: 4 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryThe supplier demonstrates established valve manufacturing and service capabilities, with dedicated engineering, production, pre-sales, after-sales, logistics, and export personnel. It holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications, supports extensive customization, maintains inventory capability, and has 16 years of export experience with 51%–70% of sales from exports. Service procedures for supplier assessment, corrective actions, complaints, and finished-product inspection are documented and followed. However, the supplier lacks an effective manufacturing contract with related subcontractors, has no overseas warehouse or showroom, does not conduct ongoing batch quantity reconciliation, and has no outsourcing SOP. Innovation evidence is mixed: it has 10 R&D engineers and one national science and technology progress award, but no SDK and no new products launched last year. No Fortune 500 cooperation is reported.

Supplier typeThe supplier is a valve manufacturer with five production lines, three subsidiary production workshops, and products including electric, pneumatic, self-operated control valves and ball valves. It also provides OEM services for well-known brands and maintains in-stock capability, indicating a manufacturing-oriented supplier rather than a purely trading entity.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, alongside stated quality assurance and documented supplier-service assessment procedures. These certifications and procedures provide explicit evidence of formal quality, occupational safety, and environmental management systems.

After-Sales capabilityThe supplier has five full-time after-sales staff and documented, followed procedures for corrective and preventive actions and customer complaints. It also has inventory capability and identified access to Ningbo and Shanghai ports, but no overseas warehouse or showroom; the available evidence nevertheless supports a defined domestic and export service structure.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization. Its workshops produce multiple valve categories, reinforcing that customization is connected to an established product-manufacturing base.