What is the lead time for orders?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

What is the leakage standard for this valve?

The leakage standard is Class IV or Class VI.

Where is the company located?

We are located in He-Yi Industiral Zone, Oubei Town, Yongjia, Wenzhou, Zhejiang, China.

Stainless Steel Low Resistance Backflow Preventer (GALHS743X)

Name: Stainless Steel Low Resistance Backflow Preventer (GALHS743X)
Brand: Goole Valve technology Co., Ltd.
SKU: 2154056885

Zhejiang, ChinaGoole Valve technology Co., Ltd.

US$1.00

1 Piece

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Leakage Standard

Class IV or Class VI

Flow Characteristic

Linear or Equal Percentage

Model NO.

GALHS743X

Connecting Type

Flange

Material

Wcb, S.S 304, SS316, SS304L, SS316L

Medium Temperature

- 20 Deg C to 150 Deg C

Usage

Flow Control

Type

Standard Type, Regulating Cutting Type, Bellow Sea

Size

DN15-DN300

Transport Package

Plywood Case

Specification

CE, SGS, TUV

Trademark

GOOLE, OEM

Origin

Wenzhou, Zhejiang, China

HS Code

8481804090

Production Capacity

50000PCS/Year

Key features

Low Resistance Design: Integrated structure with equal cross-sectional flow channels to effectively reduce head loss.

Dual Check Valve Safety: Two-stage check device ensures air isolation and prevents backflow pollution effectively.

Stainless Steel Material: Constructed from WCB, SS304, SS316, SS304L, or SS316L for durability and corrosion resistance.

Wide Size Range: Available in nominal sizes from DN15 to DN300 to fit various pipeline requirements.

Easy Maintenance: Smooth operation and simple structure allow for easy installation and maintenance.

Low Noise Operation: Designed for smooth and sensitive operation with low noise characteristics.

Self-Sealing Function: Ensures zero pressure in the middle chamber under normal conditions for safety.

Drinking Water Safe: Suitable for conveying drinking water to prevent harmful and minor pollution.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export Experience

Goole Valve technology Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2009-07-09Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤6.10hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, DDP, DAP

AI-Powered supplier vetting

SummaryThe supplier manufactures specialized equipment for oil refining and chemical production and also conducts hardware product manufacturing, research and development, sales, and related services. It reports ISO 9001 and ISO 14001 certification, two production lines, six to ten quality-control staff, and six to ten years of total R&D engineer experience. The supplier offers broad customization, OEM, and ODM services, with documented inspection, corrective-action, complaint-handling, and traceability procedures. Export experience is stated as 15 years, with 51%–70% of total sales from exports and self-operated import/export rights. However, it has no overseas agents or branches, warehouses, showrooms, or SDK availability; it also reports no new products in the past year and no valid manufacturing-capacity contract with related subcontractors. Customer cases are not specifically provided.

Supplier typeThe stated business scope includes manufacturing and sales of specialized equipment for oil refining and chemical production, hardware product manufacturing, hardware R&D, and ferrous metal casting. The company description also covers material purchasing, production, inspection, delivery, and after-sales service, indicating a manufacturer with integrated related operations.

CertificationsThe supplier reports holding ISO 9001 and ISO 14001 certifications. These are explicit certifications relevant to quality and environmental management systems.

After-Sales capabilityThe supplier states that its operations include after-sales service and has clear, followed procedures and records for handling customer complaints and corrective and preventive actions. However, it reports no overseas agents or branches and offers overseas services in zero countries, which limits directly evidenced overseas service coverage.

Production capacityThe supplier operates two production lines, maintains six to ten quality-control staff, has in-stock service capacity, and uses documented inspection, supplier assessment, corrective-action, complaint-handling, quality-assurance, and material-traceability procedures. Nevertheless, it reports no valid contract with associated subcontractors for manufacturing capacity, creating a documented weakness in subcontracting governance.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. It also provides OEM services for well-known brands and ODM services, demonstrating broad stated customization and manufacturing-design support.