How long is the delivery time?

Standard delivery takes 20 to 40 days after order confirmation. Sample delivery is 2 days for existing stock and 15 days for new custom molds.

What certifications does the product have?

The product holds CE certification, and the manufacturing process is certified under ISO9001:2015 standards.

What is the warranty or standard life of the valve?

The product standard is listed as 10 years, indicating a long service life for industrial and household gas applications.

4" Brass Ball Valve for Gas Systems

Name: Durable 1/2" and 3/4" Brass Ball Valve for Gas Systems
Brand: Ningbo Bestway M&E Co., Ltd.
SKU: 2188033875

Zhejiang, ChinaNingbo Bestway M&E Co., Ltd.

US$2.59

1,000-4,999 Pieces

US$2.39

5,000-9,999 Pieces

US$1.98

10,000+ Pieces

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

Media

Gas

Material

Brass

Model NO.

Gas Valves

Connection Form

Thread

Driving Mode

Hydraulic

Nominal Pressure

ANSI CLASS 150-900

Channel

Straight Through Type

Structure

Flexible Ball Valve

Type

Flexible Ball Valve

Function

Water

Temperature

Normal Temperature

Standard

10 Years

Application

Industrial Usage, Water Industrial Usage, Household Usage

Product Name

Brass Gas Ball Valve

Surface

Nartural Bras

Size

1/2" to 1"

Testing Pressure

100% Tested with 0.6MPa - 0.8MPa by Air.

Thread

Flare * Female

Transport Package

Natural Packing

Specification

1/2" to 1"

Trademark

Bestway

Origin

China

HS Code

8481804090

Production Capacity

100, 000 PCS Each Month

Key features

Lead-Free Brass Material: Available in lead-free C46500, ECO C87850, and C37700 brass for safe gas and water applications.

100% Air Testing: Every valve is tested with 0.6MPa - 0.8MPa air pressure to ensure zero leakage and high durability.

Flexible Customization: Supports full customization including size (1/2'-1'), surface finish, and thread types from samples or designs.

High Pressure Rating: Rated for ANSI CLASS 150-900 nominal pressure, suitable for demanding industrial and household gas systems.

Premium Internal Components: Features PTFE seat, NBR O-ring, and brass stem for superior sealing performance and long service life.

Fast Sample Delivery: Existing samples available in 2 days; new size samples with custom molds delivered in 15 days.

ISO9001 Certified Quality: Manufactured under ISO9001:2015 standards with 100% visual and function inspection for finished products.

CE Certified Product: Meets CE certification requirements, ensuring compliance with European safety and quality regulations.

Company profile

Years of Export ExperienceCooperated with Fortune 500High Repeat Buyers ChoicePatents Awarded

Ningbo Bestway M&E Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 14 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤1.68h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier demonstrates strong customization, documented quality and service procedures, ISO9001:2015 and CE certification, broad export coverage, and substantial stated production capacity. It has inventory capability, accepts multiple quotation and payment terms, and reports cooperation with Fortune 500 companies and high repeat-buyer preference. However, it does not provide ODM services, OEM services for popular brands, overseas agents, branches, warehouses, or showrooms. A lack of a valid manufacturing-capacity contract with related subcontractors is a specific operational risk. Financial records are identified for 2021–2023, but the slices do not provide enough financial detail to assess credibility. The supplier also lacks an SDK and did not conduct regular fire drills during the past year.

Supplier typeThe supplier operates injection molding, ultrasonic welding, and inspection facilities, runs three production lines, maintains inventory capability, and has self-operated import/export rights. It serves a broad international market, but has no overseas agents, branches, warehouses, or showrooms; therefore, it is best characterized as a direct manufacturing and exporting supplier rather than an overseas service-network provider.

CertificationsThe supplier holds ISO9001:2015 management-system certification and CE product compliance certification. These are explicit certifications supporting quality-management and product-compliance capability.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaints, plus inventory capability and written supplier-service assessment procedures. However, it lacks overseas agents, branches, warehouses, and showrooms, so local or overseas after-sales coverage is limited.

R&D capabilityThe supplier reports new products during the past year, has five R&D engineers, and provides multiple forms of customization. However, it has no available SDK and does not offer ODM services, so the evidence supports product-development and customization capability but not a complete platform-based innovation offering.

Production capacityThe supplier operates three production lines with injection molding, ultrasonic welding, and inspection equipment; it reports annual outputs of 1,000,000 valves, 5,000,000 plastic water meter boxes, and 1,000,000 water meters, with one-month lead times in both peak and off-season periods. Inventory capability and broad export activity further support production execution, although the absence of a valid capacity contract with related subcontractors is a documented risk.

Customization capabilityThe supplier explicitly offers customization from samples, designs, minor customization, flexible customization, and full customization. These capabilities are stated consistently across the R&D and design-service information, indicating broad customization coverage.

Client casesThe supplier reports cooperation with Fortune 500 companies, an 80%–100% repeat-buyer preference, and export markets spanning multiple global regions. These statements provide positive evidence of customer experience, although no customer names, project details, or independently verifiable case descriptions are provided.

Product Q&A

Q:What materials are used for the brass ball valve?

The valve body, ball, stem, and bonnet are made of brass. We offer lead-free options like C46500, ECO brass C87850, and C37700. Internal seals include NBR O-rings and PTFE seats.

Q:What is the testing pressure for these valves?

100% of the valves are tested with 0.6MPa to 0.8MPa air pressure to ensure there are no leaks before shipment.

Q:Can I customize the size and surface finish?

Yes, we offer full customization. Sizes range from 1/2' to 1'. Surface finishes can be natural brass, nickel plated, or chrome plated. We support customization from samples or designs.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is typically 500-1000 pieces, though some listings indicate a minimum of 1 piece depending on the specific configuration.

Q:What are the payment terms?

We accept T/T, L/C, D/P, D/A, PayPal, Western Union, and small-amount payments.