Pressure Vacuum Relief Valve

Leakage is much less than API2000 standard and maintains high setting accuracy (±3%).

Full start at 10% overpressure

Valve core and valve seat assembly can be replaced on site

Supports ANSI, DIN, and HG/T20592~20635~2009 flanges

Dual guide rail system , smooth strokes and low wear

Full start at 10% overpressure

Supports ANSI, DIN, and HG/T20592~20635~2009 flanges

Double guide rail system, smooth stroke and less wear

The leakage is much lower than API2000 standard and guarantees high setting accuracy (±3%)

Full opening at 10% overpressure

The trim and seat assembly can be replaced on site

Supports ANSI, DIN, and HG/T20592~20635~2009 flanges.

Double guide rail system, smooth stroke and less wear

Leakage is much lower than API2000 standard and guarantees high setting accuracy (±3%).

Full opening at 10% overpressure

The trim and seat assembly can be replaced on site

Supports ANSI, DIN and HG/ T20592-20635-2009 flanges

High sealing performance

Fully open at 10% overpressure

Good corrsion resistance,chemical resistance,resistance to adhesion of liquid and vapor,resistance to extreme temperature

Fully open at 10% overpressure

The leakage is much smaller than API2000 standard and ensures a higher setting accuracy(±3%)

Supports ANSI, HG/T flanges

The valve trim assembly can be replaced on site

Good corrsion resistance,chemical resistance,resistance to adhesion of liquid and vapor,resistance to extreme temperature

Fully open at 10% overpressure

The leakage is much smaller than API2000 standard and ensures a higher setting accuracy(±3%)

The valve trim assembly can be replaced on site

Supports ANSI, HG/T flanges

Leakage is well below API2000 standards and guarantees high setting accuracy (±3%).

Spool assembly is field replaceable

Supports ANSI, HG/T flanges