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| RRHX rising stem resilient seated gate valve |
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Rising stem resilient seated gate valve special for fire protection has resilient seated gate valve's advantage and it shows the valve's opening directly so that see the valve's opening in a long distance and take effective actions.It opens or closes liable and quickly so it is often used in fire protection system.
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Material |
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Serial no.
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Part
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Material
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1
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Handwheel
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Ductile iron
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2
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Stem nut
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Copper alloy
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3
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Support
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Grey cast iron,ductile cast iron,cast steel
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4
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Gland
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ductile cast iron,cast steel
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5
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Gasket
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Buna-N rubber or EPDM
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6
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Stem
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Stainless steel
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7
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Gasket
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Buna-N rubber or EDPM
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8
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Disc
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Ductile cast iron packed with rubber or EDPM outside
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9
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Body
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Greycast iron,ductile cast iron,cast steel
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main technic-al parameters |
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Nominal pressure: 1.0-2.5MPaWorking temp.:0-120Flanged end:GB/T17241.6 GB9113,ASME 16.5 etc..
Nominal diameter: 50-400mmservice:water,oils,gas etc..Inspection and test:GB 13927 API 598
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main dimensionsunit:mm |
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DN
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50
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65
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80
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100
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125
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150
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200
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250
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300
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350
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400
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L
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178
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190
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203
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229
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254
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267
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292
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330
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356
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381
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406
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Hmin(full close)
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322
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332
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350
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420
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581
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581
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736
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882
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1009
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1300
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1380
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Hmax(full open)
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374
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398
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429
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524
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721
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736
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942
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1013
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1117
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1655
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1805
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| New Product |
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Polypropylene Tellerette 3K
ETFE +25% Glass Tri packs 2inch
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