Dwyer 可視流量指示器 SFI-700系列
SFI-700系列 可視流量觀察器采用高質量的材料制造，經過嚴格的安全測試來保證長期的可靠穩(wěn)定性能，經濟實用。700系列采用螺紋連接，它為透明管式的觀察器，有黃銅或316不銹鋼材質。它的特點是在有一個紅色醒目的旋葉，可以從任何方向觀察液體流動狀況。它還有自潔功能，無需拆卸，只需旋轉透明管，就能將顯示管內部產生的臟污擦干凈，非常便于維護。
測量氣體或液體流量；連接尺寸1/4- 6英寸；可視窗或管道兩種形式；螺紋或法蘭兩種連接

Service: Compatible Gases And Liquids.
Wetted Materials: Tube: Tempered Borosilicate; Body: Brass Or 316 SS; Gasket: Fluoroelastomer; Indicator: Acetal.
Temperature Limit: 212°F (100°C).
Pressure Limit: 230 Psig (15.86).
Connections: Threaded.

Model Description
SFI-700-1 Sight flow indicator, 1" body, 4.875" L x 2.750" H (124 x 70 mm), 5.1 lb (2.3 kg).
SFI-700-1/2 Sight flow indicator, 1/2" body, 3.688" L x 2.250" H (94 x 57 mm), 2.4 lb (1.1 kg).
SFI-700-1/4 Sight flow indicator, 1/4" body, 2.750" L x 1.500" H (70 x 38 mm), 0.9 lb (0.4 kg).
SFI-700-1-1/2 Sight flow indicator, 1-1/2" body, 4.875" L x 2.750" H (124 x 70 mm), 5.1 lb (2.3 kg).
SFI-700-1-1/4 Sight flow indicator, 1-1/4" body, 4.875" L x 2.750" H (124 x 70 mm), 5.1 lb (2.3 kg).
SFI-700-3/4 Sight flow indicator, 3/4" body, 3.688" L x 2.250" H (94 x 57 mm), 2.4 lb (1.1 kg).
SFI-700-3/8 Sight flow indicator, 3/8" body, 2.750" L x 1.500" H (70 x 38 mm), 0.9 lb (0.4 kg).