Will it work if installed backwards? Are there flow direction requirements?

Standard pneumatic ball valves generally have no flow direction restriction and can be installed normally in either direction. Only a few special types are marked with flow arrows; just install according to the arrow direction.

Stainless Steel Double Wafer Check Valve for Air Compressor Condensate Drain

Name: Stainless Steel Double Wafer Check Valve for Air Compressor Condensate Drain
Brand: Zhejiang Kinko-Fluid Equipment Co., Ltd.
SKU: 1994767771

Zhejiang, ChinaZhejiang Kinko-Fluid Equipment Co., Ltd.

US$2.54

2 Pieces

Product specifications

material

pressure

size

Product profile

Customization

Available

Media

Gas Oil Air

Material

Stainless Steel

Application

Industrial Usage, Water Industrial Usage, Household Usage

Operating Pressure

100 Psi

Operating Temp.

Range 0-284f

Selling Units

Single Item

Connection Size

1/2in,3/4in

Customized Support

Obm,ODM,OEM

Gross Weight Per

0.500kg Batch

Temperature of

Normal Temperature Media

Connection Type

NPT

Sealing Material

PTFE

Package Size Per

5X3X2cm Batch

Warranty

1years

Ballmaterial

Stainless Steel

Power

Pneumatic

Model Number

Ball Valve

Transport Package

Specification

#1; #2; #3; #4; #5

Trademark

kinko

Key features

Multiple Media Compatibility: Suitable for water, wastewater, air, steam, oil, and corrosive fluids.

ISO 9001 Certified: Manufactured under strict ISO 9001 quality management standards.

Ex-Proof Certification: Approved for use in hazardous areas with fugitive emission compliance.

OEM Branding Available: Custom branding options provided for export and private labeling.

Standard Compliance: Meets GB, ANSI, DIN, and JIS international standards.

Manual Override Option: Equipped with handles or handwheels for emergency manual operation.

Company profile

Importers and ExportersSelf-brandedManagement CertificationR&D Capabilities

Zhejiang Kinko-Fluid Equipment Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2016-03-01 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤3.72h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company with a combined company type and a business scope covering valves, industrial automation devices, hardware, metal products, machinery, pumps, vacuum equipment, and power-related products. It reports OEM service for popular brands, ODM and multiple customization options, and describes access to precision CNC machining and comprehensive testing equipment; however, other evidence indicates no valid manufacturing-capacity contract with affiliated subcontractors. The supplier has ISO9001:2015, ISO45001:2018, and ISO14001 certifications. Service procedures exist for capability assessment, corrective and preventive actions, and customer complaints, but no records were provided. It has no in-stock capacity, overseas warehouse, or overseas showroom, while overseas service offerings include debugging. Financial records are identified for 2023–2025, but the provided slices do not establish their adequacy. Innovation evidence is limited because no new products were...

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, providing explicit evidence of quality, occupational health and safety, and environmental management certification. The slices do not provide certificate validity dates or issuing-body verification details.

R&D capabilityThe supplier reports ODM capability and multiple design-service options, including customization from samples, designs, full customization, minor customization, and flexible customization. However, it reports no new products in the past year and no available SDK, which are explicit limitations for recent product innovation and software-development support.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, together with ODM services. These statements directly support a broad customization offering, although the slices do not provide project examples, technical specifications, or delivery-performance evidence.

Client casesThe supplier states that it provides OEM services for popular brands, which is evidence of experience serving recognized-brand customers. No customer names, product examples, order records, or independently verifiable case details are provided, so the depth and verifiability of these cases remain limited.

Product Q&A

Q:What is a pneumatic ball valve? What is the difference from an electric ball valve?

A pneumatic ball valve is driven by compressed air to open and close. The difference is: Pneumatic ball valve: faster response, better explosion-proof performance, but requires an air compressor. Electric ball valve: powered by electricity, no air supply needed, but slightly slower in action.

Q:What is the difference between single-acting and double-acting?

Single-acting (spring return): opens with air supply and closes automatically when air is cut off, safer for anti-leakage applications. Double-acting: opens and closes by air supply separately, and stays in position when air is cut off, with greater driving force and faster speed.

Q:Can it open and close automatically? How to control it?

Yes, it can realize automatic switching. It is usually equipped with a solenoid valve; by powering on or off the solenoid valve, the air path is controlled to achieve automatic opening and closing. It can also be remotely controlled via PLC or control panel.

Q:Does it have manual operation function?

Most pneumatic ball valves are equipped with a manual override. In case of power failure, air cut-off or maintenance, the valve can be manually operated with a handle or handwheel for emergency use.

Q:Should the valve body be stainless steel or cast iron? Which is more durable?

Cast iron: lower cost, only suitable for clean water, easy to rust, poor corrosion resistance. Stainless steel (304/316): rust-proof and corrosion-resistant, suitable for water, gas, oil and other media, more durable and longer service life. Stainless steel is strongly recommended for long-term use.