How to deal with internal leakage of valve?

Remove the debris on the sealing surface and repair or replace the sealing pair.

What is the problem caused by the inflexibility of valve opening and closing?

First, the executive mechanism failure; Second, there are foreign objects blocked valve plate.

How to solve the valve opening and closing is not flexible?

When the actuator fails, repair or replace the actuator; If foreign objects block, remove foreign objects, and be careful not to damage the sealing surface.

Can the valve actuator adjust itself?

The valve actuator has been debutted before leaving the factory, and non-professional personnel are forbidden to adjust.

High-Efficiency Air Cylinder Disc Valve for Marine Openings

Name: High-Efficiency Air Cylinder Disc Valve for Marine Openings
Brand: HENAN QUANSHUN FLOW CONTROL SCIENCE & TECHNOLOGY CO., LTD.
SKU: 858672915

Henan, ChinaHENAN QUANSHUN FLOW CONTROL SCIENCE & TECHNOLOGY CO., LTD.

US$500.00

2 Pieces

Product profile

Customization

Available

Media

Water

Temperature

Ordinary Temperature

Model NO.

QsFb645Y-150

Actuator

Manual

Material

Carbon Steel

Structure

Y-Global Globe Valve

Sealing Form

Gland Packings Globe Valve

Stem Thread Position

Outside Screw Stem Globe Valve

Application

Needle Type Globe Valve

Standard

DIN, GB, ANSI

Colour

Grey Blue

Pressure

Pn10-Pn64

Body Material

Wcb, CF8, CF8m, CF3, CF3m Lcb

Connection Type

Flange Weld etc.

Transport Package

Wooden Box

Specification

DN50-DN350

Trademark

QUANSHUN

Origin

China

HS Code

8481201000

Production Capacity

600 Sets Per Month

Key features

Customizable Design: Tailored designs for pipe installation, bottom type, and disc type available.

Dead Space Free Shutoff: Valve seat flush with vessel bottom eliminates product buildup in nozzle.

Durable Sealing Surface: Made of cemented carbide or tungsten carbide for reliability and longevity.

Low Maintenance Cost: Longer life time reduces overall maintenance expenses.

Anti-Blocking Technology: Design prevents medium from blocking the valve operation.

Short Stroke Operation: Quick open/close action for efficient control.

Wide Size Range: Available in sizes 2'~14' (DN50~DN350).

High Pressure Rating: Pressure Class 150~Class 600 (PN1.0~PN16).

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceCooperated with Fortune 500

HENAN QUANSHUN FLOW CONTROL SCIENCE & TECHNOLOGY CO., LTD.

Henan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedExport Year: 1 year CertifiedNearest Port: Qingdao PortAverage Response Time: >24h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization, 3D design, ODM, and OEM capabilities, supported by reported new-product development and one national science and technology progress award. Quality, supplier-service assessment, corrective-action, and complaint-handling procedures are documented and followed. The supplier reports inventory capability, export rights, and multiple accepted trade terms, but has no overseas warehouse or showroom and no valid manufacturing-capacity contract with related subcontractors. Production information identifies one production line, 11–20 quality-control staff, and stated valve outputs. Certification evidence includes ISO9001:2015, ISO45001:2018, ISO14001, and CE. Financial credibility cannot be established because the provided financial fields report zero values for the stated periods. Customer references are not explicitly provided.

Supplier typeThe supplier operates manufacturing equipment including machining, welding, line cutting, and painting facilities; it reports one production line, inventory capability, export rights, and service proximity to Qingdao Port. However, it has no valid manufacturing-capacity contract with related subcontractors and no overseas warehouse or showroom.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, together with CE and other product-certification capability. These are explicit certification holdings or capabilities in the provided information.

After-Sales capabilityThe company reports technical support and non-traditional after-sales service, while its service-capability procedures, corrective and preventive actions, and customer-complaint handling have written procedures and followed records. This supports a structured after-sales process.

Financial creditThe provided financial records report zero operating revenue, operating cost, gross profit, operating profit, gross margin, and current ratio for the stated periods. These reported figures do not provide positive evidence of financial strength and indicate a material credibility concern.

R&D capabilityThe supplier reports new products within the past year, provides 3D software design and ODM services, supplies OEM services to well-known brands, and holds one national science and technology progress award. It does not have an available SDK, but the broader evidence supports innovation capability.

Production capacityThe supplier identifies machining, welding, line-cutting, and painting equipment, reports 11–20 quality-control staff, one production line, inventory capability, and stated outputs for several valve products. Its lack of a valid manufacturing-capacity contract with related subcontractors limits assurance regarding contracted capacity.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, flexible customization, and minor customization, as well as 3D software design and ODM services. This indicates broad customization coverage across design and manufacturing requirements.