Is the valve suitable for high-rise buildings?

Yes, it is specifically designed to reduce water hammer in high-rise building water systems.

What is the lead time for orders?

Lead time is one month during off-peak season and 1-3 months during peak season.

Pn16 Industrial Slow Closure Check Valve for Water Pump System

Name: Pn16 Industrial Slow Closure Check Valve for Water Pump System
Brand: Ningbo Doway M & E Co., Ltd.
SKU: 2264018715

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

US$110.00

100 Pieces

Product specifications

DN50

Product profile

Customization

Available

Media

Water

Material

Ductile Iron

Model NO.

DW-300X

Connection Form

Flange

Driving Mode

Manual

Nominal Pressure

Pn16

Channel

Straight Through Type

Structure

Floating Ball Valve

Type

Floating Ball Valve

Function

Water Flow Control

Temperature

Normal Temperature

Standard

OEM,ODM

Application

Industrial Usage

Valve Stem

Stainless Steel

Valve Seat & Valve Disc

Brass

Spring

Stainless Steel

Surface

Epoxy

Transport Package

Wooden Pallet

Specification

DN50-DN350

Trademark

Origin

China

HS Code

8481804090

Production Capacity

50000PCS/Month

Key features

Adjustable Closing Speed: On-site adjustable opening/closing speed to optimize pump start-stop and reduce water hammer.

Water Hammer Reduction: Designed for high-rise buildings to minimize surge pressure and ensure quiet closing.

Flexible Installation: Can be installed in both horizontal and vertical orientations for versatile application.

Durable Ductile Iron Body: Constructed with ductile iron material for robust performance in industrial water systems.

Wide Pressure Range: Available in nominal pressures of 1.0 MPa, 1.6 MPa, and 2.5 MPa to suit various needs.

Stainless Steel Components: Features stainless steel valve stem and spring for enhanced corrosion resistance.

Brass Internal Parts: Valve seat and disc made of brass for reliable sealing and smooth operation.

Epoxy Surface Coating: Epoxy coated surface provides extra protection against rust and environmental damage.

Company profile

High Repeat Buyers ChoiceR&D CapabilitiesManagement Certification3D Software Design

Ningbo Doway M & E Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2015-06-08Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤7.57hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryThe supplier is identified as a Ningbo-based trading company with professional technical capabilities, including 3D software design, ODM, OEM, and multiple customization options. It reports ISO9001 certification and CE and UL approvals for specified valve products. Production information indicates substantial output across valves, air vents, ferrules, and pipe fittings, supported by 6–10 quality-control staff and broad export coverage, with 90% of sales from exports. Service procedures for corrective actions and complaint handling are documented and followed. However, the supplier has no overseas showroom, agents, branches, offline trade-show participation, overseas warehouse, or in-stock service capability. No new products were reported in the past year, no SDK is available, and financial evidence is limited to stated years without performance details.

Supplier typeThe company is explicitly classified as a trading company located in Haishu District, Ningbo, while also identifying itself as a professional technical supplier with R&D capability. This indicates a trading-oriented supplier with technical and design-service functions rather than evidence of a purely manufacturing company.

CertificationsThe company description states that it passed ISO9001 certification and holds CE approval for ball valves and UL approval for bronze ball valves. These certifications and approvals are explicitly reported, although their scope is limited to the products named.

After-Sales capabilityThe supplier has clear procedures and followed records for corrective and preventive actions and customer complaint handling. However, it reports no overseas agents or branches, no overseas showroom, no overseas warehouse, and no in-stock service capability, so documented complaint processes coexist with limited overseas service infrastructure.

Production capacityReported annual output includes 1,230,000 brass valves, 250,000 bronze valves, 235,000 air vents, 250,000 gunmetal ferrules, and 1,870,000 pipe fittings, supported by 6–10 quality-control staff and access to Ningbo and Shanghai ports. Nevertheless, manufacturing-capacity reconciliation, outsourcing procedures, and contracts are all listed as unknown, preventing a complete assessment of capacity controls.

Customization capabilityThe supplier explicitly offers flexible customization, minor customization, customization from samples and designs, and full customization. It also provides ODM and OEM services, directly supporting broad product-design and customization capability.