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ISO9001 Certified Pneumatic Membrane Single Seat Control Valve

Name: ISO9001 Certified Pneumatic Membrane Single Seat Control Valve
Brand: Zhejiang Huizheng Valve Technology Co., Ltd.
SKU: 937469305

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-H124

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

150# PN16, 3/4” -10” DN20-DN250

Trademark

HUIZHENG

Origin

China

HS Code

8481804090

Production Capacity

100000PCS/Year

Key features

ISO9001 Certified Quality: Manufactured under ISO9001:2015 and ISO45001:2018 standards with 100% finished product inspection.

Zero Leakage Capability: Achieves Class VI standard leak class, suitable for highly toxic and corrosive media.

Corrosion Resistant Design: Features a simple flow path with anti-corrosion layer and no stuffing box for isolation.

Flexible Customization: Offers full, minor, and sample-based customization with OEM and ODM services available.

Multiple Actuation Options: Supports pneumatic diaphragm, pneumatic piston, electric, lever, gear, and hydraulic actuators.

Standard Flange Connection: Equipped with flange ends for easy pipeline connection in sizes DN20 to DN250.

Equal Percentage Flow: Provides equal percentage flow characteristics for precise regulation control.

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: ≤5.81h

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.