What is the minimum order quantity?

The minimum order quantity is 1 set.

What payment terms are accepted?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

What is the lead time for production?

The average lead time is one month for both peak and off-peak seasons.

Manual)

Name: Carbon Steel Flow Control Valve (Pneumatic/Electric/Manual)
Brand: Zhejiang Huizheng Valve Technology Co., Ltd.
SKU: 937616645

Zhejiang, ChinaZhejiang Huizheng Valve Technology Co., Ltd.

US$100.00-10,000.00

1 Set

Product profile

Customization

Available

Temperature

No More Than 150 °C,

Certification

GS, CE, ISO9001

Model NO.

HZ-H137

Media

Gas, Oil, Water, Acid

Standard

Connection Mode

Flange End

Power

Pneumatic Diaphragm Actuator, Pneumatic Piston Act

Material

Wcb, Ht200 etc

Type

Pneumatic Diaphragm Control Valve

Sizes: 

3/4" - 10" ,DN 20 - DN 250

Pressure Rating

Class150 or Pn 16

Material of Valve Body

Wcb, Ht200 etc,

Standard Leak Class

Class VI

Transport Package

Plywood Case

Specification

DN20-DN250

Trademark

HUIZHENG

Origin

China

HS Code

8481804090

Production Capacity

100000PCS/Year

Key features

Zero Leakage Capability: Achieves Class VI leakage standard, ensuring zero leakage for highly toxic media.

Corrosion Resistant Design: Suitable for corrosion-resistant and highly toxic occasions with simple flow path.

Wide Size Range: Available in sizes from 3/4 inch to 10 inch (DN20 to DN250).

Multiple Actuation Options: Operated by pneumatic diaphragm, pneumatic piston, electric, lever, gear, or hydraulic actuators.

High Temperature Resistance: Operates safely at temperatures up to 150 degrees Celsius.

Full Customization Support: Offers full customization, minor customization, and flexible customization from samples or designs.

ISO Quality Certified: Manufactured under ISO9001:2015, ISO45001:2018, and ISO14001 management systems.

100% Product Inspection: All finished products undergo visual and functional inspection before shipment.

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.