What is the lead time for production?

The average lead time is within one month during peak season and within 15 workdays during the off-season.

What are the available driving modes?

The valve can be driven manually or via worm gear, depending on the specific configuration required.

Dbb Valve

Name: Single Flanged Single Block and Bleed Ball Valve/SBB Valve/Dbb Valve
Brand: Goole Valve technology Co., Ltd.
SKU: 2027024045

Zhejiang, ChinaGoole Valve technology Co., Ltd.

US$1.00

1 Piece

Product profile

Customization

Available

Material

Carbon Steel

Connection Form

Flange

Model NO.

GADBBQ41F

Driving Mode

Manual

Nominal Pressure

ANSI CLASS 150-900

Channel

Straight Through Type

Structure

Double Block and Bleed

Type

Fixed Ball Valve

Function

Blow-Down Valve, Relief Valve

Temperature

Normal Temperature

Application

Industrial Usage

Feature

Double Block and Bleed

Transport Package

Plywood Case

Specification

CE, SGS, TUV

Trademark

GOOLE, OEM

Origin

China(Mainland)

HS Code

8481804090

Production Capacity

10, 000PCS/Year

Key features

Compact DBB Design: Integrates primary, secondary isolation and bleed valves into a single block to save space and material.

Fire-Safe Certified: Meets BS6755/6FA/607 standards with secondary fire-safe graphite seals and metal-to-metal backup.

Blow-Out Proof Stem: Anti-blow-out stem design ensures safety and reliability under high pressure and temperature conditions.

Customizable Materials: Available in Carbon Steel, Stainless Steel (304/316), and Alloy materials to suit specific duty requirements.

Bi-Directional Sealing: Provides reliable sealing in both flow directions, suitable for complex industrial process isolation.

Wide Pressure Range: Supports ANSI Class 150 to 2500, accommodating various high-pressure industrial applications.

Interchangeable Ends: End connectors are interchangeable and can be specified to suit exact piping connection requirements.

Low Fugitive Emissions: Designed with locking devices and specialized packing to minimize leakage and ensure environmental safety.

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: ≤5.10hTerms 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.

Product Q&A

Q:What is the structure of the Double Block and Bleed valve?

It integrates three valves - primary isolation, secondary isolation, and bleed - into a single compact block, replacing the need for bolting together individual valves.

Q:Is the valve fire-safe certified?

Yes, the valve is fire-safe certified according to BS6755, 6FA, and 607 standards, featuring secondary fire-safe seals in graphite and metal-to-metal seals for soft seats.

Q:What materials are available for the valve body and ball?

Options include ASTM A105, A182 304, 316, 304L, 316L, F6A, F51, F53, and F22 Alloy for both body and ball materials.

Q:What is the pressure rating range?

The valve supports ANSI Ratings from Class 150# to 2500# (PN16 to PN420), suitable for high-pressure applications.

Q:Can the end connections be customized?

Yes, end connectors are interchangeable and can be specified to suit exact requirements, including RF, RTJ, and BW connections.