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Aluminium Valve

Aluminium Valve
Material: A380
Casting Weight: 2.4KG
Casting Process: Low pressure casting
Standards: ASTM,AISI,DIN,BS,JIS
VV valve: also known as high-row ventilation valve. Is a cylinder used in the start of a valve. When the high-pressure cylinder is started, the high-pressure cylinder is in the state of blasting, which is equivalent to a blower. To reduce the blast volume and prevent the high-temperature cylinder metal from overheating, open the VV valve, Steam vacuum connected to maintain a certain high pressure vacuum, reduce blow loss.
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Product Details

Product NameCasting ProcessStandardsProductionMaterial

Aluminium Valve

Low pressure 

casting

ASTM,AISI,DIN,

BS, JIS

100000 Pieces

A380

Dimension 

Tolerance

 Surface 

Roughness

Casting 

Weight

Manufacture

Surface

 treatment

CT8Ra6.3-12

2.4KG

OEM/ODM

painting



Payment & Shipping Terms:

Minimum Order  Quantity100
Price$1-500
Delivery Time4 weeks
Payment TermsT/T, LC
Packaging DetailsCarton and Wood












Introduction:

VV valve: also known as high-row ventilation valve. Is a cylinder used in the start of a valve. When the high-pressure cylinder is started, the high-pressure cylinder is in the state of blasting, which is equivalent to a blower. To reduce the blast volume and prevent the high-temperature cylinder metal from overheating, open the VV valve, Steam vacuum connected to maintain a certain high pressure vacuum, reduce blow loss.


Turbine accident discharge valve. High pressure cylinder unit, when the unit load rejection, in order to prevent the high pressure cylinder, high pressure steam pipe steam from high and medium pressure steam seal clearance to medium pressure cylinder, low pressure cylinder, the unit adversely affected. If these seal teeth wear, sealing gap becomes larger, resulting in increased the possibility of speeding units, for which set the accidental discharge valve (BDV). When the unit is tripped, the BDV valve opens quickly, directing the excess steam at the high and medium pressure seals to the condenser to prevent the unit from overspeeding.

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