Will the valve work if installed backwards?

Standard pneumatic ball valves generally have no flow direction restriction and can be installed in either direction. Only special types marked with flow arrows require specific installation.

DN50 Cast Iron Pneumatic 2 Way Valve Flange Coinnection for Wastewater

Name: DN50 Cast Iron Pneumatic 2 Way Valve Flange Coinnection for Wastewater
Brand: Zhejiang Kinko-Fluid Equipment Co., Ltd.
SKU: 1995004491

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

Connection Form

Flange

Driving Mode

Pneumatic

Structure

Floating Ball Valve

Type

Floating Ball Valve

Function

Blow-Down Valve, Relief Valve, Atmospheric Valve, Bypass-Valve

Standard

IP68

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

Wide Size Range: Available in DN15 to DN200 to fit various industrial needs.

High Pressure Rating: Supports PN1.6 to 6.4MPa (Class 150 to 300) for demanding applications.

Versatile Media Compatibility: Handles water, wastewater, air, steam, oil, and corrosive fluids.

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

CE and Ex-Proof Certified: Approved for CE compliance and hazardous area usage.

OEM Branding Available: Custom branding options provided for export packaging.

Manual Override Function: Equipped with handle or handwheel 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: ≤1.85h 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 and how does it differ from an electric one?

A pneumatic ball valve is driven by compressed air for faster response and better explosion-proof performance but requires an air compressor. An electric ball valve is powered by electricity, needs no air supply, but is slightly slower.

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

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

Q:Can the valve open and close automatically, and how is it controlled?

Yes, it supports automatic switching via a solenoid valve. It can also be remotely controlled through a PLC or control panel.

Q:Does the valve have a 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.

Q:Should the valve body be stainless steel or cast iron?

Cast iron is lower cost but rusts easily and is only suitable for clean water. Stainless steel (304/316) is rust-proof, corrosion-resistant, and more durable, making it strongly recommended for long-term use.