Qb2 Flanged Ends Float Type Double Orifice Automatic Air Vent Valve

• Customization: Available
• Transport Package: Plywood Case
• Specification: ISO 9001
• Model NO.: QB2
• Origin: Wenzhou
• Production Capacity: 10000PCS/Year

Product Description

QB2 Flanged Ends Float Type Double Orifice Automatic Air Vent Valve

Product Description

Double Orifices Automatic Air Vent Valve is suitable for pipelines with water as the medium. As a device for removing gas from the pipeline, it improves the efficiency of water transmission equipment and protects the pipeline from deformation and rupture. It is an essential equipment for pipelines

Working Principle

When the pipe begins to fill with water, the plug stays in the open position for a large amount of exhaust. When the air is exhausted, the valve accumulates water, and the floating ball is lifted. The plug is driven to the closed position to stop a large amount of exhaust. When the water in the pipe is transported normally, if a small amount of air accumulates in the valve to a considerable extent, the water level in the valve drops, and the floating ball also drops. At this time, the air is discharged from the small hole. When the water pump stops, When the water flow inside the pipe is empty or negative pressure is generated inside the pipe, the plug head quickly opens to suck in air, ensuring that the pipeline is complete.

Application

Applications:

Double Orifice automatic air vent valve is used in the industrial pipelines to release the air in the pipeline quickly, so as to improve the transmitting efficiency and prevent pipelines being broken and out of shape.

Specification

Characteristics:

1. Release the air in the pipelines, reduce the resistant force and save energy.

2. Suck the air automatically and quickly so as to prevent the pipelines being broken while the backpressure is higher.

3. The air vent ability is better than the normal air vent valves

4. Stainless steel floating ball and supporting ring can make it reliable and can be used longer.

Product Details

MATERIALS OF MAIN PARTS:

Name of parts	Material of parts
Body, gate	grey iron/ductile iron/carbon steel
Cover	grey iron/ductile iron/carbon steel
Float	Stainless steel
Stem	Stainless steel
Sealing ring	Rubber

Product Parameters

Double Orifices Automatic Air Vent Valve Specifications: 

Suitable medium:	water,sea water
Main material:	grey iron, ductile iron, carbon steel
Suitable temperature:	≤80ºC
Nominal pressure:	PN10/PN16
Nominal diameter:	DN50-DN300mm
Flange dimension:	BS4504 ISO2531,ISO7005 and other standards conforming to the requirements

 Design of Double Orifices Automatic Air Vent Valve:

  Face to face is according to ISO STANDARD

  Flange drilled is according to DIN,BS,JIS,ANSI etc

Test of  Double Orifices Automatic Air Vent Valve:

Working pressure	PN10/PN16	Class125/150
Shell pressure	PN15/PN24	300PSI
Seat pressure	PN11/PN17.6	200PSI

 

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