11AV1521 Stainless Steel Ventilator by Armstrong

The Armstrong 11AV1521 is a stainless steel air vent designed for industrial fluid systems. Designated as model 11-AV, this unit features a 1/2" connection with a conical socket thread BSPT and a 1/2" inlet/outlet equipped with a 2-flat wrench size of 26. Built for durability, the housing and cover are constructed from stainless steel 304L, while the valve and seat utilize stainless steel 17-4PH. Additionally, the internal lever system is made of stainless steel 303/304, and the float consists of stainless steel 304. The 11AV1521 air vent operates with a maximum permissible differential pressure of 12 bar. Its maximum allowable pressure (PMA) ratings are 34 bar at 38°C and 30 bar at 260°C.

More Armstrong part numbers

• (70001) 1811 NPT-1/2" Ventil-*****"
• (70001) 1822 NPT-1" Ventil-#38
• 01AV1502
• 01AVC001
• 04012051
• 08112096
• 08812096
• 1-AVC
• 1-AVC NPT1/2"-1/2"-1/2" (01AVC001)
• 100-AICF-8 H 2" #150 RF
• 100-AICF-8 H VB DN50/PN40 (70001)
• 100-AICF-8 V VB DN50/PN40 (70001)

See all Armstrong products

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