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Air Release and Vacuum Breaker Valve

Air Release and Vacuum Breaker Valve

FOB Price

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Minimum Order

Place of Origin:

-

Price for Minimum Order:

-

Minimum Order Quantity:

1 Piece

Packaging Detail:

EXPORT WOODEN PACKING

Delivery Time:

5 weeks after drawing approval

Supplying Ability:

-

Payment Type:

T/T

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PROSAVE. CO.,LTD.

PROSAVE. CO.,LTD.

South Korea

Free Member

Contact Person Jeff

Other

Contact Now

Description

Air Release and Vacuum Breaker Valve (combination)

  - Pressure & Vacuum relief funciton
- Anti-Surge & Anti-Shocks
- Surge and waterhammer protection
- Liquid overflow protection
- Provides high capacity venting for pipeline protection
- Increasing of pump efficiency
- Less system energy
- Maintenance free
- Release small pockets under operation pressuress
 
  Combination air valves are normally installed at high points where air would naturally rise ahead of the incoming liquid during filling and collect during operation and/or where negative pressure first occurs during draining.
The large (air & vacuum) and the small (air release) orifices are both open during filling with the majority of the air is passes through the large orifice.
The rate at which air is discharged is a function of the differential pressure across the air & vacuum valve.
During filling, incoming water compresses the air in the ¡°empty¡± pipe until the pressure differential across the air valve is sufficient that air is discharged at the same volumetric rate as water is entering the pipe.
After all the air has been purged, liquid enters the valve and lifts the floats and closes both orifices.
While the large orifice remains closed, the small orifice reopens as necessary to release any air that collects in the valve after it has closed. Should the internal pressure fall below atmospheric, both orifices open to allow air to flow through the valve into the system at the same volumetric rate at which the liquid is draining thus avoiding critical vacuum and damage to the pipe.

CAV-D Model
 
 
Unit = mm
SIZE
2"
3"
4"
6"
8"
*0"
*0"
*2"
N.D
*0
*0
**0
**0
**0
**0
**0
**0
ΦA
**0
**0
**0
**0
**0
**5
**5
**0
H
**0
**0
**0
**5
**4
**0
**5
**9
L
**5
**0
**0
**3
**0
**3
**8
**3

Note: Standard flange connection is JIS 5K and others are available on request.
 
 
No.
Description
Material
 
 
Spec. 1
Spec. 2
Spec. 3
1
    Air Release
**1
   Body
A***-WCB
B***-C****0
A***-CF3M
**2
   Float & Disc
HDPE
HDPE
HDPE
**3
   Seat
NBR
NBR
NBR
2
   Air/Vacuum Valve Release
**1
   Body
A***-WCB
B***-C****0
A***-CF3M
**2
   Cover
SS**0
B***-C****0
A***-CF3M
**3
   Ball
A******6L
Monel***0
A******6L
**4
   Gasket
NBR
NBR
NBR

NOTICE !!
Air Release Valve & Vacuum Breaker Valves can be add another function such as Anti-surge, pressure/vacuum relief in according to operation condition. In this case, You can make good choice PROSAVE's verious model.
CAV-S Model
 
 
Unit = mm
Model
CAV-S
**4
CAV-S
**6
CAV-S
**8
CAV-S
**0
CAV-S
**2
CAV-S
**4
N.D
**0
**0
**0
**0
**0
**0
A
**8
**0
**0
**0
**0
**0
H
**5
**0
**0
**0
**0
***0

Note: Standard flange connection is JIS 5K and others are available on request.
 
No.
Description
 
 
Material
Spec. 1
Spec. 2
Spec. 3
1
Body
A***-WCB
B***-C****0
A***-CF3M
2
Float & Disc
HDPE
HDPE
HDPE
3
Seat
NBR
NBR
NBR

NOTICE !!
Air Release Valve & Vacuum Breaker Valves can be add another function such as Anti-surge, pressure/vacuum relief in according to operation condition. In this case, You can make good choice PROSAVE's verious model.

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Jeff < PROSAVE. CO.,LTD. >

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