Jiangsu, China
Business Type:
Trading Company
Main Products:
Number of Employees:
16
Year of Establishment:
2008-05-05
Management System Certification:
ISO 14000, ISO 9001
Average Lead Time:
Peak season lead time: one month
Off season lead time: one month
OEM/ODM Service
Sample Available

Valve, Safety Relief Valves, High Pressure Relief Valves manufacturer / supplier in China, offering Marine Pressure Vacuum Relief Valve for Cargo Oil Tank, 10m Long Stainless Steel Marine Propeller Shaft, Dnv/ Rina Approved Forged Marine Propeller Shaft and so on.

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Supplier Homepage Products Pumps, valves & fittings Marine Pressure Vacuum Relief Valve for Cargo Oil Tank

Marine Pressure Vacuum Relief Valve for Cargo Oil Tank

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Min. Order: 1 Piece
Port: Shanghai, China
Transport Package: Wooden Cases
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
Structure: Pressure Reducing
Pressure: Medium Pressure
Power: Automatic
Emperature of Media: Medium Temperature
Port Size: Dn80-Dn250
Media: Air

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Basic Info

Model NO.
pressure relief valve
Certificate
CCS, BV, Rina
Safety Grade
AA Grade
Logo
Customized
Color
Customer′s Request
Trademark
TRUST
Specification
CCS
Origin
Jiangsu
Marine Pressure Vacuum Relief  Valve for Cargo Oil Tank
 
for cargo oil tank (or High Velocity P/V valve, for short) is generally used in the relief system of the oil tanker and chemical tanker, according to the current regulations IMO and IBC.The purpose of the high velocity valve is to provide automatic control of pressure differentials during liquid cargo ship loading, voyage,ballasting and deballasting without any manual operation, also, it provides auto-protection against fire and explosions on deck. Additionally in the event that the inert gas system can not supply gas promptly, the vacuum valve can auto open to protect the tank against excessive vacuum when deballasting on dock. Normal, when the pressure risen in tank because of temperature or loading, the pressure valve open automatically and vent gas. When the pressure of tank come to pressure differentials, the vacuum valve or pressure valve all can be automatic resetted. If an ignition occurs outside the tank space, the flames will be quenched in the flame trap.
 
Specification:
Material: Cast Steel or Stainless Steel
Flange Standard: GB, JIS, DIN, ANSI, BS
Opening Pressure of Vacuum Valve: -3.5kPa
Opening Pressure of Pressure Valve on the oil tank is 14kPa, on the chemical tank is 20kPa.
The opening pressure of the pressure may be different, but the differences of opening pressure and flow range is unapparent if the pressure valves have the same diameter.
* When the liquid cargo ships need to load the goods of the propylene oxide class, with the stainless steel high velocity P/V valve. The valve manufacturing materials for 304, 304L, 316L quality stainless steel, pressure valve opening pressure is generally set at 60KPa vacuum valve.
 

Type
 kPa
Designed Openging Pressure
 kPa
Rated Working  Pressure

Velocity m/s
M3/h
Flow Rate

Pressure valve

Vacuum valve

Pressure valve

Vacuum valve

Pressure valve

Vacuum valve
DF5014-21-3.521.0-7.0>30>300>300
DF65>400>400
DF80>600>500
DF100>800>600
DF125>1000>800
DF150>2500>2200
DF200>3000>3000
DF250>3500>3000
 
flange standard:GB2506-2005
pressure range:14kPa-21kPa
vacuum range:-3.5kPa
executive standard :ISO 15364,MSC/Circ.677,MSC.1/Circ.1324
Marine Pressure Vacuum Relief Valve for Cargo Oil Tank
Marine Pressure Vacuum Relief Valve for Cargo Oil Tank

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