What is the pressure rating of the valve?

The pressure rating ranges from Class 150 to Class 900 or PN 10 to PN 64.

What is the size range of the valve?

The size range is from 2' to 36' (DN 50 to DN 900).

Is OEM service available?

Yes, OEM service is available for this product.

Cast Iron Double Manual Industry Flanged Butterfly Valve

Name: Cast Iron Double Manual Industry Flanged Butterfly Valve
Brand: Zhejiang Huizheng Valve Technology Co., Ltd.
SKU: 790310432

Zhejiang, ChinaZhejiang Huizheng Valve Technology Co., Ltd.

US$100.00-10,000.00

1 Set

Product profile

Customization

Available

Media

Water

Driving Mode

Manual, Electric, Pneumatic ,Gear etc

Model NO.

797

Connection Form

Flange

Structure

Double Flange High Performance

Seal Form

Auto Sealed

Valve Stem

Normal

Work Pressure

150#---600#, Pn16-Pn100

Working Temperature

Normal Temperature (-40°C<T<120°C)

Material of Seal Surface

Soft Sealed

Valve Body

Sheet Metal

Application

Industrial Usage, Water Industrial Usage, Household Usage

Transport Package

Plywood Case

Specification

150#---900# PN16-PN100

Trademark

HUIZHENG

Origin

China

HS Code

8481804090

Production Capacity

100000PCS/Year

Key features

Wide Pressure Range: Supports Class 150-900 and PN 10-100 ratings for diverse industrial needs.

Diverse Material Options: Available in Carbon steel, Stainless steel, Duplex, Bronze, and Inconel.

Zero Leakage Shutoff: Independent tests prove superior service life with zero leakage capability.

Flexible Operation Modes: Operated by Lever, Gear, Electric, or Pneumatic actuators.

High Performance Design: Innovative design offers rugged reliability and extremely easy maintenance.

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

ISO Certified Quality: Manufactured under ISO9001, ISO45001, and ISO14001 management systems.

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: ≤8.79h

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.