What are the standard leak classes?

The standard leak class is CLASS IV with a metal seat, though other options may be available.

What is the minimum order quantity?

The minimum order quantity is 1 unit.

Forging Double Seat Industry Control /Regulating Valve

Name: Forging Double Seat Industry Control /Regulating Valve
Brand: Zhejiang Huizheng Valve Technology Co., Ltd.
SKU: 921449775

Zhejiang, ChinaZhejiang Huizheng Valve Technology Co., Ltd.

US$100.00-10,000.00

1 Set

Product profile

Customization

Available

Temperature

Ordinary Temperature

Certification

GS, CE, ISO9001

Media

Gas, Oil, Water, Acid

Standard

Connection Mode

Flange

Power

Pneumatic

Material

Stainless Steel

Type

Double Seater

Size

1-1/2" - 24" ,DN 40 - DN 600

Transport Package

Plywood Case

Specification

2” -24” DN50 - DN600

Trademark

HUIZHENG

Origin

China

HS Code

8481804090

Production Capacity

4000000

Key features

High Flow Precision: S-streamlined flow direction ensures low pressure drop and high flow characteristic precision.

Seismic Resistance: Fixed valve core design provides strong resistance against seismic activity.

Adjustable Ratio: Offers a high adjustable ratio of 50:1 for precise control.

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

Flexible Actuation: Supported by Pneumatic diaphragm, Pneumatic piston, and Electric actuators.

Customization Available: Full customization, minor customization, and flexible customization from samples or designs.

Comprehensive Certification: Certified with GS, CE, and ISO9001 standards for quality assurance.

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: ≤0.78h

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.