Product Description Related Products

AV Series Steam System Exhaust Valve

Working principle

Air and other non-condensable gases can cause many problems in steam systems. Not only will the warm-up time be prolonged, but the temperature of a steam-air mixture will be lower than that of pure steam at the same pressure. Air will form a gas film that reduces heat transfer efficiency, leading to increased fuel consumption, and these gases are also the main cause of pipeline corrosion. Using a steam system air vent valve can remove air and other non-condensable gases from the steam system without leaking steam.

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Product Description

Restrictions
Design pressure (PMA): • AV13: 12 bar • AV32: 32 bar • AV45: 45 bar	Maximum operating pressure (PMO) @ maximum operating temperature (TMO) • AV13 type: 12bar @ 250°C • AV32 type: 50bar @ 400°C • AV45 type: 45bar @ 450°C
Install
When installing the air exhaust valve, the liquid capsule (sensing element) should be in a horizontal position and the valve cover should be facing upward. The air exhaust valve should be installed where air is likely to accumulate (steam main or equipment top), and the discharge port should lead to a safe place. For easy maintenance, consider installing isolation valves upstream and downstream of the air exhaust valve. The air exhaust valve should not be insulated.

Technical Parameters

model		AV13	AV32	AV45
Connection Type		Thread	Thread, flange
Installation		→
Material	Valve bonnet	brass	A105	F11
	Valve core	Stainless steel	Stainless steel
	Valve Seat	Stainless steel	Stainless steel
	Valve body	brass	A105	F11
	washer	Stainless steel	Stainless steel

Dimensions/Weight (approximate) mm and Kg

model		AV13			AV32(F)			AV45(F)
Nominal diameter		10	15	20	15	20	25	15	20	25	32	40	50
A(mm)		18	20	27	95			130			150		/
A1(mm)		/			150		160	210	230		260
B(mm)		32	38	40	92			138			146
C(mm)		55			95			105
D(mm)		/			17	19	23	24			30
Weight(Kg)	Thread	0.4		0.45	1.7		2	5			6
	Flange	/			3	3.5	4.2	7	8	9	11	12	13

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