What materials are used for the valve body?

The valve body is made of WCB, HT200, or other carbon steel materials.

What is the leakage class standard?

The standard leak class is Class VI, which can reach zero leakage.

Pneumatic Actuated Liquid Gas Air Differential Pressure Control Valve Regulating Valve

Name: Pneumatic Actuated Liquid Gas Air Differential Pressure Control Valve Regulating Valve
Brand: Zhejiang Huizheng Valve Technology Co., Ltd.
SKU: 937480925

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

Wcb

Type

Pneumatic Diaphragm

Size

3/4"-10" DN20-DN250

Class

150# Pn16

Transport Package

Plywood Case

Specification

DN20-DN250

Trademark

HUIZHENG

Origin

China

HS Code

8481804090

Production Capacity

4000000

Key features

Zero Leakage Performance: Achieves Class VI standard leakage, capable of zero leakage for highly toxic media.

Corrosion Resistant Design: Sealed convex surface design isolates media from outside, suitable for corrosive occasions.

Wide Customization Options: Supports full, minor, and flexible customization from samples or designs.

Diverse Actuator Options: Available with pneumatic diaphragm, piston, electric, lever, gear, or hydraulic actuators.

Strict Quality Inspection: 100% visual and function inspection for all finished products with traceable raw materials.

Flexible MOQ: Minimum Order Quantity is 1, allowing for small batch purchases.

OEM and ODM Services: Full OEM and ODM services available with 10 R&D engineers.

Multiple Certifications: Certified with GS, CE, and ISO9001 standards.

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.