What is the minimum order quantity?

The minimum order quantity is 1 unit.

What certifications does the product hold?

The product is certified with GS, CE, and ISO9001 standards.

Double Seat Control Valve

Name: Double Seat Control Valve
Brand: Zhejiang Huizheng Valve Technology Co., Ltd.
SKU: 921581795

Zhejiang, ChinaZhejiang Huizheng Valve Technology Co., Ltd.

US$100.00-10,000.00

1 Set

Product profile

Customization

Available

Temperature

- 100"C-560"C

Certification

GS, CE, ISO9001

Model NO.

HZ-H26

Media

Gas, Oil, Water, Acid

Standard

Connection Mode

Flange Ends,Weld Ends

Power

Pneumatic Diaphragm Actuator, Pneumatic Piston AC

Material

Wcb,Wc6,Wc9, Lcb, CF3, CF8m, CF3m, A105, Lf2, F304

Type

Double Seater

Temperature Range

- 100"C-560"C

Standard Leak Class

Class IV

Sizes

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

Pressure Rating

Class150 - Class 900 or Pn 16 - Pn 320

Transport Package

Plywood Case

Specification

150#---900#, PN16-PN110, 10K-40K

Trademark

HUIZHENG

Origin

China

HS Code

8481804090

Production Capacity

100000PCS/Year

Key features

High Flow Capacity: S-streamlined flow direction ensures low pressure drop and large flow rate.

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

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

Multiple Actuation Options: Supports Pneumatic, Electric, and Lever operations for flexibility.

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

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

Comprehensive Certifications: 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: ≤0.52h

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.