What is your delivery time?

Delivery time is typically 1 to 2 weeks.

Do you test all goods before delivery?

Yes, 100% of goods pass pressure and helium leak detection tests.

Can you provide after-sales service and technical consultation?

Yes, our technical team is available 24/7 for pre-sale, after-sale, installation, and R&D support.

What materials are used for the valve body and diaphragm?

Valve body uses SEMI standard 316L rod (316L VAR/VIM-VAR optional). Diaphragm uses Hastelloy or nickel-cobalt alloy imported from the US or Europe.

Reliable 1/4" Diaphragm Valve with Pneumatic Normally Closed Option

Name: Reliable 1/4" Diaphragm Valve with Pneumatic Normally Closed Option
Brand: Hunan Wofly Technology Co., Limited
SKU: 2084373402

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 superior durability and corrosion resistance.

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

Comprehensive Warranty: 1-year warranty coverage for all mechanical defects and parts.

24/7 Technical Support: Technical services available 24 hours daily for pre-sale and after-sale.

Flexible Customization: Full customization, minor customization, and sample-based design options available.

Strict Quality Testing: 100% inspection including pressure and helium leak detection before delivery.

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: ≤1.68h

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.