What are the payment terms?

We accept T/T and L/C. Price terms include EXW, FOB, CIF, DDU, and DDP.

What is the leak rate and pressure range?

The leak rate is 1.3x10-9 mbar.l/s, and the pressure range is from 1x10-9 mbar to 1000 mbar with FKM seals.

What is the service life and maintenance cycle?

The service life is >3 years. Cycles before maintenance range from 80,000 to 500,000 depending on the bellow type and size.

Vacuum Flapper Valve ISO Pneumatic Vacuum Angle Valve

Name: Vacuum Flapper Valve ISO Pneumatic Vacuum Angle Valve
Brand: Shanghai Yunmu Information Technology Co., Ltd.
SKU: 2133685855

Shanghai, ChinaShanghai Yunmu Information Technology Co., Ltd.

US$300.00

2-499 Pieces

US$260.00

500-1,499 Pieces

US$200.00

1,500+ Pieces

Sample price:US$200.00/piece.Request sample

Product profile

Customization

Available

Temperature

Ordinary Temperature

Media

Gas

Model NO.

Customized

Material

Steel

Valve Plug

Alloy

Connection Form

Flange

Open Manner

Quick-Opening

Size

Kf16-Kf50

Usage

Vacuum Pipeline System

Situation

Industrial

Service Life

>3 Years

Valve Type

Vacuum Electromagnetic Angle Valve

Flange Size

Kf16 Kf25 Kf40 Kf50

Temperature of Media

Less Than 150 Degrees

Connection

Kf Flange

Operation

Electromagnetic Control

Customized Support

OEM

Product Name

Kf Vacuum Solenoid Valve

Medium

Air/Vacuum

Voltage

220V/50Hz

Seal

Bellow Seal/O-Ring Seal

Structure

Angle

Application

Vacuum System

Power

Solenoid

Body Material

304ss/ Aluminum

Transport Package

PP Bag, Box, Outer Carton

Trademark

YM or Custom Logo

Origin

Shanghai, China

HS Code

8481202090

Production Capacity

10000 Piece/Pieces Per Month

Key features

High Vacuum Performance: Leak rate of 1.3x10-9 mbar.l/s, pressure range 1x10-9 to 1000 mbar.

Durable Construction: 304 stainless steel body and bays with FKM seals for chemical resistance.

Long Service Life: Over 500,000 cycles before maintenance with bellow; >3 years lifespan.

Customization Support: OEM service available with customizable flange sizes, materials, and seals.

Versatile Applications: Suitable for HV/UHV systems, semiconductor production, and vacuum pipelines.

Quality Certified: ISO9001:2015 certified factory with 100% inspection before shipment.

Advanced Manufacturing: Equipped with imported CNC lines and helium leak detectors for stability.

Flexible Payment: Supports T/T, L/C, and various Incoterms like FOB, CIF, DDP.

Company profile

Flexible Customization100% Finished Products InspectionStandardized quality controlR&D Capabilities

Shanghai Yunmu Information Technology Co., Ltd.

Shanghai, 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: 5 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.41h

AI-Powered supplier vetting

SummaryYunmu Vacuum demonstrates established manufacturing and customization capabilities, including CNC equipment, laser marking, ultrasonic cleaning, 3D software design, and multiple customization modes. Finished-product inspection instructions are available and uniformly followed. The supplier operates two production lines, has 6–10 quality control staff and 6–10 years of total R&D engineer experience, exports to a broad range of markets, and reports lead times within 15 workdays in both peak and off-peak periods. However, the evidence also shows important control and service gaps: no written procedures or records for supplier-service assessment, corrective actions, or complaint handling; no valid manufacturing contract with affiliated subcontractors; no inventory, overseas warehouse, or overseas showroom capability; and no outsourcing SOP or ongoing batch quantity reconciliation. No new products were reported in the past year. Certification status and customer cases are not sufficiently documented.

Supplier typeThe supplier presents itself as a vacuum-technology manufacturer with CNC, CNC turning, helium leak detection, laser marking, and ultrasonic cleaning equipment. It operates two production lines, serves broad export markets, and describes its expertise as providing tailored vacuum solutions, supporting classification as a manufacturing-oriented supplier.

After-Sales capabilityAfter-sales and service-management evidence is weak: there are no written procedures or records for complaint handling, service-capability assessment, or corrective and preventive actions. The supplier also reports no overseas service coverage, overseas warehouse, or overseas showroom, although it lists several quotation and payment terms and provides some supplier names.

Production capacityProduction resources include two production lines, CNC-related equipment, helium leak detection, laser marking, ultrasonic cleaning, and finished-product inspection instructions that are uniformly followed. Lead times are stated as within 15 workdays in both peak and off-peak seasons, but capacity controls have deficiencies: no valid contract with affiliated subcontractors, no inventory capability, no ongoing batch quantity reconciliation, and no outsourcing SOP.

Customization capabilityThe supplier explicitly provides 3D software design services and supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. These repeated statements provide clear evidence of broad customization capability.

Product Q&A

Q:Are you a factory?

Yes, we are China's TOP5 HV/UHV vacuum components manufacturer and OEM factory. Our factory covers over 6,000 square meters with six Taiwanese brand CNC production lines.

Q:What is the product's application?

Our vacuum components are mainly applied in HV/UHV(<10-1~10-10Pa) areas, including semiconductor production systems and vacuum pipeline systems.

Q:Do you have customization and OEM service?

Yes, we can produce standard model sizes (CF, KF, ISO, NW, etc.) and offer customization services to accommodate individual needs.

Q:What quality standard do you follow?

We are an ISO9001:2015 certified factory. The whole operation strictly follows the standard, and our QC department inspects every product before shipment.

Q:How to get a quick quotation?

For standard products, provide serial number, quantity, delivery time, location, and payment method. For customized products, provide material type, drawings (PDF/CAD/PRT/step), quantity, delivery time, location, and payment method.