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.

Heavy-Duty Rubber-Lined Butterfly Valve for DN300 to DN3000 Applications

Name: Heavy-Duty Rubber-Lined Butterfly Valve for DN300 to DN3000 Applications
Brand: HENAN QUANSHUN FLOW CONTROL SCIENCE & TECHNOLOGY CO., LTD.
SKU: 2193384155

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

US$500.00

2 Pieces

Product profile

Customization

Available

Media

Water

Driving Mode

Manual

Connection Form

Flange

Structure

Double-Eccentric Sealing

Seal Form

Force Sealed

Valve Stem

Normal

Work Pressure

Mid-Pressure (2.5mpa< Pn <6.4mpa)

Working Temperature

Medium Temperature (120°C<T<450°C)

Material of Seal Surface

Metal Hard Sealed

Valve Body

Casting

Application

Industrial Usage, Water Industrial Usage

Enter Attribute Here (e.g.: Size)

Enter Value Here (e.g.: 12 Inches)

Sealing Material

Hard Alloy

Connection Type

Flange and Weld

Operating Type

Manual, Electric or Pneumatic

Transport Package

Wooden Box

Specification

ASME; DIN

Trademark

QUANSHN

Origin

China

HS Code

8481804090

Production Capacity

200 Per Month

Key features

Bidirectional Sealing: Designed with bidirectional sealing structure, installation is not restricted by fluid direction.

Self-Sealing Performance: Offers self-sealing device for reliable performance under medium pressure.

Long Service Life: Features wear compensation and unique rotational structure for extended durability.

Cleaning Function: Sphere-conical sealing surface crushes solid particles during opening or closing.

Wide Size Range: Available in sizes from 2' to 40' (DN50 to DN2000) for various flow control needs.

Multiple Operating Types: Supports manual, electric, or pneumatic operating types for flexible control.

Durable Materials: Constructed with WCB, CF8, CF8M, CF3, CF3M body and hard alloy sealing material.

High Pressure Rating: Rated for Pressure Class 150~Class 300 (PN1.0~PN4.0) and mid-pressure applications.

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: ≤7.21h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier exhibits strong capabilities in design and customization, offering extensive R&D and ODM/OEM services. They hold multiple certifications such as ISO and CE, suggesting a commitment to quality and sustainability. However, financial data indicates no recorded revenue or profit over recent years, raising concerns about financial credibility. Production capacity is significant, with an emphasis on valve manufacturing, and they have a facility equipped with machining and welding equipment. Export activities account for up to 40% of sales, but they lack overseas warehousing and showroom capabilities.

Supplier typeThe supplier provides 3D software design services and has capabilities for full customization and flexible design, serving both domestic and international markets.

CertificationsThe supplier holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications, as well as CE and other certifications, indicating strong compliance with international standards.

After-Sales capabilityThe company provides non-traditional after-sales services and has clear procedures for handling customer complaints and maintaining service capability.

Financial creditThe supplier's financial data shows no revenue or profit in the last three years, indicating potential financial instability or reporting issues.

R&D capabilityThe supplier demonstrates innovation with new products in the past year and offers ODM services, although they lack SDK availability.

Production capacityThe supplier has significant production capabilities, with an annual output above US$100 million, focusing on various valve types.

Customization capabilityThe supplier excels in customization, offering a wide range of services from minor to full customization based on samples or designs.