In-Line Vent Valve Model 800	|	Model 850	|	Model 860
In-Line Vent Valve Model 800-PSO	|	Model 851	|	Model 960
End-of-Line Stack Vent Valve Model 900	|	Model 950	|
	|	Model 951	|	Model 850/MVC & 952/MVC
Model 450	|	Model 952	|
Model 550	|	Model 953	|	Pressure/Vacuum Relief Valve with Flame Arrestor

ENARDO Series 800-PSO

In-Line Vent Valve

Applications

ENARDO Series 800 pressure-only vent valves are designed to relieve pressure only through the vent line. By omitting the vacuum side of the valve, this valve eliminates the possibility of a two-way flow. The Series 800 is designed the same as the “SO” pressure/vacuum series except it eliminates the vacuum side of the valve.

Features

• Pressure setting: 1.0 to 16.0 oz./sq. in. (0.5 increments) (4.3 to 69.0 mbar, 2 mbar increments)
• Vacuum setting: 0.4 oz./sq. in. (1.7 mbar)
• Advanced composite thermoplastic material for superior resistance to corrosion, freezing and sticking
• Housing material: cast aluminum
• Size: 2” (50 mm) through 4” (100 mm)
• Connections: Slip-on flanges to accept pipe end

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