Corpwin (Korea)
Corpwin is specialized in the manufacture of pressure and vacuum relief valves and flame arresters, as well as safety protection devices for liquid petroleum and petroleum products storage tanks, treatment, nitrogen blanketing systems for automatic nitrogen sealing devices, explosive venting systems and other related products.
Corpwin has changed trademark registration to “Neotech” in 2008.
All Neotech products are designed, manufactured and tested in accordance with API 2000, API 650, API 2521, API RP 520, EN12874 and other relate recognition code or purchase order specification
Neotech have been studying and developing several methods ranging from field application to new products for higher safety standard
Product’s Range:
- Breather Valve
- Emergency Vent Valve
- Flame Arrester
- Gauge Hatches
- Nitrogen Blanketing Regulator
- Float check valve for Floating Roof Drain
- Swivel Joint for Floating Suction& Oil Skimmer
- Dipping Device
Product’s Range
Neotech Tank safety device & Pressure and vacuum relief valve
Neotech TANK SAFETY DEVICE
Neotech manufacture an extensive tank safety device to protect storage tanks and pressure vessels.
Neotech manufacture an extensive tank safety device to protect storage tanks and pressure vessels.
PRESSURE AND VACUUM RELIEF VALVE
Pressure and vacuum relief valves (breather valves) are designed to protect storage tank from excessive pressure and/or vacuum.
MODEL :
GWB10 Pressure Relief Valve End of line
GWB11 Vacuum Relief Valve End of line
GWB12 Pressure and Vacuum Relief Valve
GWB13 Pressure Relief Valve Pipe away
GWB14 Vacuum Relief Valve Pipe away
GWB15 Pressure and Vacuum Relief Valve Pipe away
Size Range : 2” to 12”
Body Material : Carbon Steel, SS304, SS316
Temperature Range : -45°C to 120°C
Set Pressure Range : 22 to 10000 mmWC
Set Vacuum Range : 22 to 5000 mmWC
Product’s Range
Emergency Vent Valve
Enables emergency relief when fire exposure. Remains closed position when normal operating condition. The design also allows convenient access through the vent for tank inspection and maintenance. Available in weight loaded and spring loaded type.
MODEL : GWE30A GWE30B GWE31A GWE31B GWE33A
Neotech manufacture an extensive tank safety device to protect storage tanks and pressure vessels.
Size Range : 16″ to 24″
Body Material : Carbon Steel, SS304, SS316,
Aluminum
Set Pressure Range : 22 to 10000 mmWC
Set Vacuum Range : 22 to 700 mmWC
Gauge Hatches
Neotech gauge hatch cover is designed to provide easy access to storage tanks for checking level or temperature of products, and for sampling. It is available either with or without a cover clamp. The hatch cover model without the clamp can be used as emergency pressure venting up to 3 psig of pressure.
Design features include a foot pedal for easy opening, gasket seal and tape gauge maker, and a cover is adaptable for self-closing or not.
MODEL: GWG40 and GWG41
Size Range : 4”, 6”,8”,10” and 12”
Body Material : Carbon Steel, SS304, SS316,
Aluminum
Design features include a foot pedal for easy opening, gasket seal and tape gauge maker, and a cover is adaptable for self-closing or not.
Product’s Range
Flame Arrester
Flame arrester is a device fitted to opening of an enclosure or to the connection pipework of a system of enclosures and whose intended function is to allow gas flow but prevent the transmission of the flame propagation. MODEL (DETONATION PROOF): SFD, SFJ, SFM
MODEL: GWF21 GWF22 GWF23 GWF24 GWF25
Size Range : 2” to 12”
Body Material : Carbon Steel, SS304, SS316
Working Pressure : Below 1 Barg (Standard Spec.)
Classification : Detonation or Deflagration proof
Product’s Range
Gas Blanketing Device
Supply blanket gas to prevent vacuum condition, and maintain constant pressure in the vapor space of the storage tank.
MODEL : GWNRS
Size Range : 1/4″ to 2″
Body Material : Stainless Steel 304, SS316
Set Pressure Range : 12.5 to 5000 mmWC
Dipping Device(Sampling of Liquid)
Model: GWDD50
Size Range: 4” to 8”
Explosion Vent System
Model: WE32A WE32B
Set Pressure Range : 150 to 700mmWC(WE32A)
Set Pressure Range : 100 to 10,000 mmWC(WE32B)
