How long does it take to get samples?

Samples for current types can be provided within 2 days. New molds take approximately 15 days.

What is the lead time for production?

The average lead time is one month, regardless of peak or off-season periods.

What quality testing is performed?

Each valve is 100% tested with 0.6MPa - 0.8MPa air pressure. Finished products undergo 100% visual and functional inspection.

Premium 4-Inch Copper Brass Ball Valve for Plumbing Systems

Name: Premium 4-Inch Copper Brass Ball Valve for Plumbing Systems
Brand: Ningbo Bestway M&E Co., Ltd.
SKU: 892263545

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

US$3.60

1,000 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Media

Water

Material

Brass

Model NO.

BW-B61

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

Application

Industrial Usage, Water Industrial Usage, Household Usage

Product Name

Brass Lockable Ball Valve with Magnetic Lock Cap

Surface

Nartural Brass Surface or Nickel Plated or Chrome

Size

1/4" to 4"

Testing Pressure

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

Thread

Female X Female

Transport Package

Natural Packing

Specification

1/4" to 4"

Trademark

Bestway

Origin

China

HS Code

8481804090

Production Capacity

100, 000 PCS Each Month

Key features

10-Year Valve Guarantee: Comprehensive 10-year warranty coverage for the valve to ensure long-term reliability.

100% Air Pressure Testing: Every unit undergoes 100% testing with 0.6MPa - 0.8MPa air pressure for quality assurance.

Flexible Customization: Offers full customization from samples, designs, or minor adjustments to meet specific needs.

Versatile Thread Options: Available in BSP or NPT female thread connections for broad compatibility.

Premium Brass Material: Constructed with durable brass body, available in natural brass, nickel plated, or chrome finishes.

Fast Sample Delivery: Samples can be provided within 2 days for current types to facilitate quick decision-making.

ISO9001 Certified Quality: Manufactured under ISO9001:2015 management system with strict 100% finished product inspection.

Low MOQ Requirement: Minimum Order Quantity is just 1 Pc, allowing for flexible purchasing for small or large orders.

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: ≤1.88h 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.