Double Block And Bleed Ball Valve

Valve type: ball valve
Size: 1/2”~24”(15mm~600mm)
Pressure:class 150#
Constuction: DBB
Brand: Kemus, also accept OEM
Delivery:10-25 days
Price: Negotiable

Product Details

DBB Ball Valve


The ball valve is designed to replace the complicated connection of multiple valves in traditional pipelines. Reduce the leakage points in the system, quickly realize the discharge and shut down functions. The double-blocking double-discharge ball valve saves installation space to the greatest extent.

Simplified the installation procedure. Reduce the pressure of the piping system. Convenient for instrument cleaning and maintenance, reducing costs. Products are widely used in hydraulic system pipelines in various industries such as electric power, petrochemical, metallurgy, ocean, petroleum, natural gas, gas, pharmaceuticals, etc.


Specification of double一block-and-bleed ball valve

Working pressure: 150LB

Size range:1/2”~24”(15mm~600mm)

Operating temperature: -196℃-200℃.

Main material: A105N; A182 F304、F304L、F316、F316L

Transmission form: Handle, worm gear

Apply to Petroleum, natural gas, chemical, electric power, petrochemical fields

Extra design:

1) Import and export closure, discharge and isolation

2) Fire-resistant structure. After a fire, each leakage part is designed to be flexible graphite packing or stainless steel clamped graphite to meet the fire resistance requirements.

3) The valve stem has an anti-flying structure, which is convenient for online replacement of packing.

4) The valve has a full diameter, which is convenient for pipeline cleaning, has low flow resistance and strong flow capacity.

double block and bleed ball valve manufacturer

Size table of DBB constructed ball valve

Design based on API 6D、ASME B16.34

Collection end to ASME B16.5、ASME B16.25、ASME B16.11

Inspection and test: API 6D、API 598、ISO 5208

Deliveryshipping way of double block and bleed ball valve

Packing and Loading 

how to pack double block and bleed ball valve

Acknowledge certificates

certificates of double block and bleed ball valve


1. Can I request to change the form of packaging and transportation?
A: Yes, but if you have special requirement, It would raise some cost. It would charge by you.

2. Can I have my own Logo on the valve body?

A: of cause. Pls, send me artwork in advance. Some complex logo, it could not print in body. 

3. Can you produce the valves according to my own drawings?
A: Yes, we always do this way if clients have this request.

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