Can I visit your factory before placing an order?

Yes, you are welcome to visit our factory to check the quality and production capabilities.

Durable Double Ball Air Valve for Efficient Air Control

Name: Durable Double Ball Air Valve for Efficient Air Control
Brand: Weifang Top Water Industrial Co., Ltd
SKU: 2153755732

Shandong, ChinaWeifang Top Water Industrial Co., Ltd

US$12.00

5-19 Pieces

US$10.00

20+ Pieces

Product profile

Customization

Available

Type

Compound Exhaust Valve

Material

Iron

Model NO.

Double Air Relase Valve

Certification

ISO9001

Body

Ggg50

Floating Ball

SS304

Seal Seat

EPDM

Cover

Ggg50

Application

Pum Station, Water Transmission Pipeline

Connection

Flange

Transport Package

Wooden Case

Specification

DN50-DN200mm

Trademark

Origin

China

HS Code

84818040

Production Capacity

8000PCS/ Year

Key features

Dual Orifice Design: Large orifice for rapid exhaust and small orifice for continuous micro-venting to prevent air locks.

Automatic Operation: Self-acting float mechanism requires no external power for full-cycle air management.

High Corrosion Resistance: Constructed with GGG50 ductile iron body and SS304/316 stainless steel ball for durability.

Vacuum Protection: Automatically intakes air during draining or pump shutdown to prevent vacuum collapse.

Customizable Components: Body, floating ball, seal seat, and cover materials can be customized per client requirements.

Wide Application Range: Suitable for municipal water supply, HVAC, fire protection, and irrigation pipelines.

Quality Assurance: 100% visual and function inspection before shipment with pre-production samples.

Professional Support: 24/7 emergency support and lifelong technical consultation for stable operation.

Company profile

High Repeat Buyers ChoiceQuality Assurance100% Finished Products InspectionCustomization from Designs

Weifang Top Water Industrial Co., Ltd

Shandong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 years CertifiedNearest Port: Qingdao Port; Dlian PortAverage Response Time: ≤4.34h

About Our Factory & Business Background

Address2-1002, Building20#, No. 3069 Jindu Manor, Shengli West Street, Weicheng District, Weifang, Shandong, China

Plant Area113.27 square meters

Registered Capital500,000 RMB

Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: within 15 workdays, one month Off Season Lead Time: within 15 workdays, one month

Minimum Order Quantity10 Pcs

Supply Chain Partners20

Our Production Capability & Technical Expertise

Main ProductsDuctile Iron Pipe Fittings, Manhole Covers, Valves, Repair Clamps, Joint and Couplings

Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsHave instructions and uniformly followed

Traceability of Raw MaterialsNo

Our Industry Experience & Global Business Record

Year of Establishment2018-09-17

Main MarketsNorth America, Europe, Southeast Asia/ Mideast

Repeat Buyers Choice80%~100%

Overseas Agent/BranchNo

New Products Launched in Last yearYes

Product Q&A

Q:Can the product be customized according to client requirements?

Yes, we can manufacture the product based on your exact requirements, including customization of the body, floating ball, seal seat, and cover materials.

Q:What are the main features of this air valve?

It features a dual-orifice design for high-volume exhaust and continuous micro-venting, automatic float operation without external power, and materials like ductile iron and stainless steel for corrosion resistance.

Q:How do you guarantee product quality?

We always provide a pre-production sample before mass production and conduct a final inspection before shipment to ensure quality.

Q:What are your payment terms?

We accept T/T (30% deposit, 70% before delivery) and L/C at sight.

Q:What is your after-sales service like?

We provide a professional service team with 24-hour emergency telephone support to solve difficult problems quickly and offer lifelong technical consultation.