What are the standard sizes for this valve?

The available sizes range from DN15 to DN300.

What is the leakage standard?

The leakage standard is Class IV or Class VI.

BS5156 Standard Weir Pattern Unlined Diaphragm Valve

Name: BS5156 Standard Weir Pattern Unlined Diaphragm Valve
Brand: Goole Valve technology Co., Ltd.
SKU: 2019957405

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.

GAG41J

Actuator

Pneunamic

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

Lining Material

FEP, PTFE, PFA

Transport Package

Plywood Case

Specification

CE, SGS, TUV

Trademark

GOOLE, OEM

Origin

Wenzhou, Zhejiang, China

HS Code

8481804090

Production Capacity

50000PCS/Year

Key features

Zero Leakage Design: Elastic sealed element and separated body/bonnet prevent inner leaks and eliminate stuffing box issues.

Wide Corrosion Resistance: Various lining materials (FEP, PTFE, PFA) suit noncorrosive and strong corrosive media.

Low Maintenance Cost: Changeable diaphragm design allows for easy replacement and low maintenance expenses.

Low Pressure Loss: Clipper-built interval channel design ensures minimal pressure loss during operation.

Flexible Material Options: Body available in Gray iron, Cast steel, Stainless steel, and Extreme low carbon steel.

Multiple Flow Characteristics: Available in Linear or Equal Percentage flow characteristics for precise control.

Standard Compliance: Manufactured according to GB12239 design standards and GB4216 flange connection dimensions.

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: ≤5.04hTerms 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.