Can you provide us with the testing report?

Yes, we can provide the required material reports, such as the material certificate, mill certificate, pressure testing report, roughness report, measurement report, and hardness report.

How long is your delivery time?

For normal products in 5-10 days; For bulk order, around 10-20 days. It depends. We can provide production schedule and related photos every week. The lead times become effective when (1) we have received your deposit, and (2) we have your final approval for your products. In all cases we will try to accommodate our production plan to your needs.

What is your terms of delivery?

We accept EXW, FOB, CIF, etc. You can choose the one which is the most convenient for you.

What's the package and how do you ship the goods?

Usually is wood pallet as your request. We usually ship by sea. Airline shipping is also optional.

2026 Brass & Stainless Copper Spring Double Ball Check Valve for Water, Oil & Air Systems

Name: 2026 Brass & Stainless Copper Spring Double Ball Check Valve for Water, Oil & Air Systems
Brand: Zhejiang Shengtianyu Valve Co., Ltd.
SKU: 2298779445

Zhejiang, ChinaZhejiang Shengtianyu Valve Co., Ltd.

US$5.00-19.90

2 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Temperature

Ordinary Temperature

Material

Stainless Steel

Model NO.

H44W

Connection Form

Flange

Structure

Swing

Pressure

High Pressure

Function

Nrvz Silence, Nrvg Silence, Backflow Prevention

Sealing Form

Flow Direction

Unidirection

Standard

ANSI

Application

Industrial Usage, Water Industrial Usage, Household Usage

Nominal Pressure

Class150~2500(Pn10~Pn420)

End Connection

Flange,Thread,Welded

Transport Package

Standard Export Package Wooden Case

Specification

1/2"-4"(DN15-DN50)

Trademark

STY/OEM

Origin

China

HS Code

848180409

Production Capacity

10000PCS/Month

Key features

DURABLE & EXPLOSION-RESISTANT MATERIAL -- Constructed from premium stainless steel, the valve body offers superior pressure resistance, durability, and explosion-proof performance.

VERSATILE APPLICATIONS -- Available in a range of specifications to suit various piping systems, this gate valve is ideal for applications in industries such as chemicals, construction, petroleum,etc.

OEM and ODM Services: Professional team provides full customization based on specific design and sample needs.

Low MOQ Requirement: Minimum order quantity is just 1 piece, supporting sample testing and small batches.

Excellent High & Low temperature resistance, stable operation from cryogenic to high-temperature industrial scenarios.

High Pressure range from class 150LB to 3500LB, perfectly suitable for ultra-high pressure

Fast Delivery Options: 5-10 days for normal products and 10-20 days for bulk orders with weekly progress updates.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceSelf-brandedExhibition Experience

Zhejiang Shengtianyu Valve Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤0.01h