What are the available connection standards?

We support Parallel thread (ISO228/BS2779), Taper thread (ISO7/BS21), and Compression connection (EN1254-2).

Brass Water Vertical Spring Loaded Ball Lift Backflow Preventers Check Non-Return Valve

Name: Brass Water Vertical Spring Loaded Ball Lift Backflow Preventers Check Non-Return Valve
Brand: Hongxing Manufacturing Group Ltd.
SKU: 1967919785

Zhejiang, ChinaHongxing Manufacturing Group Ltd.

US$0.50-2.00

1,000 Pieces

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Media

Water

Temperature

Ordinary Temperature

Model NO.

NV01 NV02 NV03 NV04

Material

Brass

Connection Form

Thread

Structure

Tubular

Pressure

Ordinary Pressure

Function

Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence

Sealing Form

Gland Packings Globe Valve

Flow Direction

Unidirection

Standard

Application

Industrial Usage, Water Industrial Usage, Household Usage

Delivery Time

About 45 Days

Sample

Avaliable

OEM

Available

MOQ

1000

Transport Package

Inner Bag and Outer Carton

Specification

1/2" to 1"

Trademark

Per customer's brand or ours

Origin

China

HS Code

8481804090

Production Capacity

100, 000PCS/Month

Key features

Multi-Standard Connections: Supports Parallel (ISO228), Taper (ISO7), and Compression (EN1254-2) connections.

Versatile Installation: Allows horizontal, vertical, or oblique fixing with unidirectional flow.

Premium Brass Material: Constructed from durable brass with gland packings for reliable sealing.

Certified Quality Assurance: Passed ISO9001, CE, WRAS, KIWA, ACS, and CSTB certifications.

Professional OEM Service: Custom manufacturing available based on client designs and requirements.

15+ Years Export Experience: Trusted supplier exporting to Europe, Australia, America, and South Africa.

Flexible Sample Policy: Samples available, some free of charge, buyer pays freight only.

Company profile

Hongxing Manufacturing Group Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 1998-05-30Nearest Port: NINGBOAverage Response Time: ≤15hTerms of Payment: LC, T/T, D/PInternational Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, FCA, EXW, DAP

AI-Powered supplier vetting

SummaryHongxing Manufacturing Group Limited is identified as a China-based manufacturer/factory operating in Zhejiang, with manufacturing bases in Yuhuan and Ningbo. The supplier reports ISO 9001 and ISO 14001 certification, more than 500 workers and engineers across its bases, six production lines, and 11–20 quality-control staff. It has exported since 1998, reports 90% export sales, and serves markets across North America, Europe, Australia, and other regions. Its stated product scope includes valves, fittings, sanitary ware, electrical products, and OEM parts. The supplier describes customer-service and outsourcing support, but the evidence does not establish detailed after-sales procedures. Registered capital is disclosed in the source data but is not reproduced here.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and describes itself as a professional manufacturing group established in 1998. Its manufacturing bases are located in Yuhuan and Ningbo, covering valve, fitting, electrical, and related product production.

CertificationsThe supplier reports ISO 14001 and ISO 9001 certification, while its manufacturing bases are specifically stated to have ISO 9001 accreditation. These certifications provide explicit evidence of established environmental and quality-management systems.

R&D capabilityThe supplier states that it is upgrading manufacturing capability, product quality, and production capacity, and reports 11–20 years of total R&D-engineer experience. It also cites advanced production facilities and test equipment, supporting some technical-development capability, but no patents, dedicated R&D output, or newly developed products are documented.

Production capacityThe supplier reports six production lines, 11–20 quality-control staff, and more than 500 workers and engineers across its manufacturing bases. It has operated since 1998, serves broad export markets, and describes substantial production facilities and test equipment; these details explicitly support established production capability.

Customization capabilityThe supplier explicitly states that it specializes in OEM parts and that its service center handles outsourcing for customer requirements involving products outside its normal line. This supports customization and broader sourcing assistance, although the slices do not specify tooling, design-engineering, minimum-order, or customization-process details.

Product Q&A

Q:Can I get a sample?

Yes! Of course. Pls contact us for more details. Some samples will be supplied free but you need pay the freight.

Q:What's your payment term?

Normally 'T/T before production ' for new client or order value under USD8000. Please contact us for more details.

Q:What's the lead time?

Normally 45 days. It'll be different due to different products and qty

Q:What's your MOQ?

1000pcs for each size.

Q:Can you offer OEM service?

Yes! Of course. Base on our rich experience in this field we can certainly offer OEM service to you. Just tell us your design we'll then try our best.