What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 piece.

What are the payment terms?

Payment terms include LC (Letter of Credit) and T/T (Telegraphic Transfer).

What is the lead time for production?

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

Flange Dbb Double Block and Bleed Valve for Instrumentation Systems

Name: Flange Dbb Double Block and Bleed Valve for Instrumentation Systems
Brand: Suzhou Nai Lok Fluid Technology Co., Ltd.
SKU: 2257641695

Jiangsu, ChinaSuzhou Nai Lok Fluid Technology Co., Ltd.

US$580.00

10-99 Pieces

US$450.00

100+ Pieces

Product profile

Customization

Available

Media

Oil Gas Water

Material

Stainless Steel

Model NO.

Bleed Valve

Connection Form

Thread, Flanged

Driving Mode

Manual

Nominal Pressure

Class 2500

Channel

Straight Through Type

Structure

Floating Ball Valve

Type

Floating Ball Valve

Function

Flow Control

Temperature

High Temperature

Standard

Application

Gas, Indurstry

Valve Style

Dbb

Port Size

1/2-2inch

Body Material

SS316/Hastolly/Alloy

Working Pressure

6000 Psi

Application Field

Industrial Usage

Keywords

Dbb Valves

Transport Package

Box Packing

Specification

1/2''-2''

Trademark

NAI-LOK. OEM

Origin

China

HS Code

8481300000

Production Capacity

1000/Month

Key features

Space-Saving DBB Design: Dual ball structure replaces multiple valves, saving space and material in instrumentation systems.

Superior Corrosion Resistance: Constructed from SS316 Stainless Steel for excellent durability in harsh chemical and oil & gas environments.

High Pressure Capability: Rated up to 6000 psi (414 bar) with long-lasting seals for critical pressure isolation.

Enhanced Safety Features: Blow-out proof stem and fire-safe design ensure reliable operation and leak prevention.

Flexible Customization: Port sizes from 1/2 to 2 inches and various body materials available based on sample or design.

Quick Manual Operation: Equipped with a red lever handle for fast, reliable, and easy valve control.

Cost-Effective Solution: Reduces overall dimensions and costs compared to traditional multi-valve assemblies.

Company profile

Importers and ExportersIn-stock CapacityManagement CertificationQuality Assurance

Suzhou Nai Lok Fluid Technology Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.64h CertifiedTerms of Payment: LC, T/T CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR, EXW

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier with special-equipment design, manufacturing, transformation, repair, inspection, and testing activities subject to applicable approvals. It provides 3D software design and broad customization options, including customization from designs and samples. Quality assurance, raw-material traceability, and uniformly followed finished-product inspection instructions are documented. The supplier has in-stock capability and reports export activity, but has exported for only three years and may use export agents. Key limitations include no valid manufacturing-capacity contract with related subcontractors, no overseas warehouse, showroom, agent, or branch, no overseas service coverage, and no offline trade-show participation. Corrective-action and complaint-handling procedures lack written procedures or records. ISO 9001:2015 certification is reported. Financial information is inconsistent and insufficient for a reliable credibility assessment.

Supplier typeThe supplier explicitly identifies itself as a professional technical supplier. Its stated business scope covers special-equipment design, manufacturing, transformation, repair, inspection, testing, sales, and leasing, with certain activities subject to regulatory approval.

CertificationsThe supplier reports quality assurance and traceable identification of raw materials, and holds an ISO 9001:2015 certificate. However, the slices do not provide certificate validity dates or scope details.

After-Sales capabilityThe supplier lacks overseas warehouses, showrooms, agents, branches, and stated overseas service coverage. It also has no written procedures or records for corrective and preventive actions or effective customer-complaint handling, indicating a documented after-sales weakness.

R&D capabilityThe supplier is described as a professional technical supplier and provides 3D software design services. Its business scope also includes special-equipment design, supporting a demonstrated technical-design capability.

Customization capabilityThe supplier explicitly offers flexible, minor, and full customization, as well as customization from customer designs and samples. This is direct evidence of broad customization capability.

Product Q&A

Q:What is the main advantage of DBB valves over traditional valves?

DBB valves integrate dual ball structures into one body, saving space and material while reducing potential leak paths compared to installing two separate valves.

Q:What materials are available for the valve body?

The standard material is SS316 Stainless Steel. Other alloys like Hastelloy and various alloys are available upon request.

Q:What is the maximum pressure rating for this valve?

The valve can handle pressures up to 6000 psi (414 bar) or per specific flange class standards.

Q:Is customization available for port sizes?

Yes, port sizes are customizable, typically ranging from 1/2 inch to 2 inches, based on samples or designs.

Q:What are the typical applications for this valve?

It is suitable for oil & gas, petrochemical, refinery, and instrumentation systems, including cryogenic, high-pressure, and corrosive fluid services.