What certifications do you have?

Our products are certified with ISO9001, CE, and RoHS.

How do you ensure product quality?

We strictly follow ISO9001-2015 quality management. All products undergo 100% visual, functional, pressure, and helium leak detection tests in a clean workshop.

What materials are used for the valve?

Valve body: SEMI standard 316L rod, 316L VAR, or 316L VIM-VAR. Diaphragm: Hastelloy or nickel-cobalt alloy. Valve seat: PCTFE or PFA.

What is the maximum working pressure?

The maximum working pressure for the pneumatic diaphragm valve is 10 bar (150 psig). The pneumatic actuator working pressure is 4.2-6.2 bar (60-90 psig).

Do you have patents for your inventions?

Yes, we have more than 40 patents, including 16 national patents.

Versatile 1/4" Diaphragm Valve with 1 Year Warranty Options

Name: Versatile 1/4" Diaphragm Valve with 1 Year Warranty Options
Brand: Hunan Wofly Technology Co., Limited
SKU: 2084477842

Hunan, ChinaHunan Wofly Technology Co., Limited

US$76.00

1-49 Pieces

US$72.00

50-99 Pieces

US$68.00

100+ Pieces

Product profile

Customization

Available

Media

Gas

Temperature

Ordinary Temperature

Model NO.

WV4

Actuator

Pneumatic

Connection

Male Thread VCR Connector

Material

Stainless Steel

Structure

Global Diaphragm Valve

Pressure

Low Pressure

Flow Direction

Left Input,Right Output

Function

Shut off

Usage

on-off

Standard

GB, ANSI

Port Size

1/4"

Warranty

1 Year

Pneumatic Actuators Type Selection

Pneumatic Normally Closed Pneumatic Normally Open

Surface Roughness

Ep-Grade Ra0.13um

Application

Gas Industry

Certificate

CE,RoHS,ISO9001

Working Pressure

150psig(10bar)

Flow Coefficient

CV=0.27

Power

Pneumatic

Transport Package

Export Packing Standard

Specification

single gross weight: 0.3kg

Trademark

AFKLOK

Origin

China

HS Code

8481804090

Production Capacity

40000pieces Per Year

Key features

High Durability Diaphragm: Nickel-cobalt alloy diaphragm ensures higher durability and corrosion resistance.

Long Service Life: Pneumatic valve life up to 3 million cycles with fatigue life reaching 400W times.

Strong Corrosion Resistance: PFA/PTFE materials handle strong acid, alkali, and corrosive media effectively.

100% Quality Inspection: All goods undergo pressure and helium leak detection tests before delivery.

Flexible Customization: Supports OEM/ODM, full customization from samples or designs.

24/7 Technical Support: Technical team available 24H/D for pre-sale, after-sale, and R&D consultation.

Company profile

Cooperated with Fortune 500Patents AwardedR&D CapabilitiesStandardized quality control

Hunan Wofly Technology Co., Limited

Hunan, 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: 3 Years CertifiedNearest Port: Shenzhen Port,Guangzhou Port,Chenzhou PortAverage Response Time: ≤4.24h

AI-Powered supplier vetting

SummaryThe supplier is a limited company with 47 employees and offers valves, fittings, pressure regulators, and related industrial products. It reports manufacturing-related capabilities supported by CNC and vision-measuring equipment, valid contracts with associated subcontractors, inventory capability, and documented inspection and service procedures. The supplier provides broad customization and ODM services, has introduced new products within the past year, and provides OEM services for recognized brands. However, no certification information, customer case details, or explicit after-sales service scope is provided. Financial information is identified only by years, without substantive financial metrics, so financial credibility cannot be assessed. The supplier has no overseas warehouse or showroom and no available SDK.

After-Sales capabilityThe supplier has written procedures and records for service assessment, corrective and preventive actions, and customer complaint handling, indicating a documented service-management process. However, no specific after-sales services, response standards, or support coverage are stated.

R&D capabilityThe supplier reports new products within the past year, provides ODM services, and conducts research and development in emerging energy, Internet of Things, valve, and automatic-control technologies. It has no available SDK, which limits evidence of software-development integration capability but does not negate the stated product R&D capability.

Production capacityProduction capability is supported by CNC and vision-measuring equipment, uniformly followed finished-product inspection instructions, valid manufacturing contracts with associated subcontractors, and inventory capability. The supplier also reports 47 employees, but overall production capacity and output volume are not stated.

Customization capabilityThe supplier explicitly supports customization from samples and designs, minor and full customization, and flexible customization. It also reports ODM services and OEM services for recognized brands, providing strong direct evidence of customization capability.