EFG551A401MO，美國紐曼蒂克安全電磁閥fl uids (?) temperature range disc seal (?)DN 50: air and gas groups 1 2抗水錘設

EFG551A401MO，美國紐曼蒂克安全電磁閥
fl uids (?) temperature range disc seal (?)
DN ≤ 50: air and gas groups 1 & 2
?抗水錘設計（光盤下油液進入）
OTHER MATERIALS
Operator Glass fi bre fi lled PA
Optical position indicator PA 12,
supplied standard on valves with 63, 90
and 125 mm operators
(1) For dia. 32, 50 and 63 mm operators:
At service fl uid temperatures
 inside the valve body above 100°C, it is
prohibited to pilot the valve with water.
EFG551A401MO，美國紐曼蒂克安全電磁閥
?真空運行到10-2毫巴
?活塞式運營范圍寬（32 - 50 -
63 - 90 -125毫米直徑）可旋轉
Stem Stainless steel Stainless steel AISI 316L
Disc Brass Stainless steel AISI 316L
Stuffi ng box packing PTFE
DN 65: air and gas group 2
all DN: water, oil, liquids groups 1 & 2 and steam
- 10°C to + 184°C PTFE
Min. pilot pressure See
below and following page
Pilot fl uid temperature -10°C to +60°C
Response time See page V402-5
通過360°，以獲得性能在不同的小先導壓力
?高性能，免維護stuffi納克盒
Valve body Bronze AISI 316L AISI 316L (2)
Stuffi ng box housing Brass
AISI 316L AISI 316L
chevrons PTFE chevrons PTFE chevrons
Wiper seal FPM FPM FPM
Disc seal PTFE PTFE PTFE
?閥門滿足承壓設備指令97/23/EC，類別1（DN> 25）

EFG551A401MO，美國紐曼蒂克安全電磁閥