مقایسه محصولات
قیمت
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Connection
Screwed/Socket Welded/Flanged
Socket Welded / Screwed/ Flanged
Screwed/Socket Welded/Flanged
Body Material
Carbon Steel (ASTM A105) or Stainless Steel (ASTM A182 Gr.F304)
Cast Steel (ASTM A216 Gr.WCB)
Stainless Steel (ASTM A351 Gr.CF8)
PMO (MPaG)
4.6
4.6
TMO (°C)
425
350
Discharge Capacity (kg/h)
740
310
PMO (psig)
650
TMO (°F)
800
Discharge Capacity (lb/h)
15000
Minimum Operating Pressure (MPaG)
0.03
Material
Nodular cast iron, cast steel
Nodular cast iron
Nominal pressure
16, 25, 40 bar
16 bar
Nominal diameter
40-300 mm
20-32 mm
Temperature range
-10…+450°C
-10...+200°C
Other specifications
high tightness (leak proofness class – A acc. to EN – 12266 – 1
compact settlement
tests acc. to EN – 12266 – 1
face to face dimension: series 14 acc EN 558, F4 acc. to DIN 3202 (material D, PN 16)
face to face dimension: series 15 acc EN 558, F5 acc. to DIN 3202 (material F, PN 16 and PN 25)
face to face dimension: series 26 acc EN 558, F7 acc. to DIN 3202 (material F, PN 40)
flanges drilled according to EN-1092-2 for body material D
flanges drilled according to EN-1092-1 for body material F
epoxy coating RAL 5002 for material D
valves made according to PN EN ISO 4126-1
high tightness for valves with soft sealing
quiet work of valve
raised tightness of closure
protection of disc sealing surface in front of limestone (if the factor is industrial and drinking water) as well as against any small mechanical dirt