H44N Brass Swing Check Valve for Oxygen

H44N Brass Swing Check Valve for Oxygen

This product is applicable to oxygen pipe network systems worked as one-way valve, playing a role of cuuting off and check, such as preventing cold air backflow in the oxygen system and the mixture of nitrogen and oxygen inthe slag furnace.

The product consists of body, bonnet, disc, etc. The medium enters from one side and makes the disc rising, medium flow; when the medium pressure loses or outlet pressure is greater than inlet pressure, the disc drops automaticly to close the channel, works as check effect. The main parts materials selects silicon brass, with a good fire retardant properties.

Materials

DN 15 - 600 mm
Pressure (MPa) 1.6 2.5 4.0
Test Pressure
(MPa)		 Body 2.4 3.75 6.0
Seal 1.76 2.75 4.4
Temperature -20°C - 200°C
Fluid Oxygen
Body Silicon Brass ZCuZn16Si4
Plug Brass / Stainless Steel
Packing Teflon (PTFE) / Nylon

Dimensions and Weights

Dimensions and Weights of H44N Brass Swing Check Valve for Oxygen
Nominal Diameter ( mm ) Dimensions ( mm ) weight / Kg
L D D1 D2 D6 b Z-фd D3 H
50 230 160 125 100 88 20 4-ф18 185 172 20
65 290 180 145 120 110 22 8-ф18 210 182 30
80 310 195 160 135 121 22 8-ф18 210 192 35
100 350 230 190 160 150 24 8-ф23 260 217 50
125 400 270 220 188 176 28 8-ф25 295 250 75
150 480 300 250 218 204 30 8-ф25 330 270 105
200 550 375 320 282 260 38 12-ф30 390 320 160
250 650 445 385 345 313 42 12-ф34 445 356 240