应用：冷却系统流量指示、润滑系统、供燃料系统等
100——单窗带叶轮
300——双窗带叶轮
350——双窗无叶轮指示
360——双窗带叶拍
400——管状无叶片指示
700——管状带叶片带内部擦拭器

选型表：

举例	SFI	300	SS	2	G2	SFI-300SS-2-G2 Sight Flow Indicator; double window, temper glass, Viton® gaskets, 316SS body, ABS impeller, 2 inch female NPT connections.
型号	SFI					Sight flow indicator, tempered glass standard, Buna-N gaskets standard, female NPT connections standard.
类型		100 300 350 360				Single window, bronze body, ABS Impeller Double window, bronze body, ABS Impeller Double window, bronze body, no moving indicator Double window, bronze body, 304SS flapper
本体选项			SS MP			316SS body option for 300, 350, 360 150 psig maximum pressure option, includes Viton® gaskets
连接尺寸				1/4 3/8 1/2 3/4 1 1-1/4 1-1/2 2		1/4 inch connection size 3/8 inch connection size 1/2 inch connection size 3/4 inch connection size 1 inch connection size 1-1/4 inch connection size 1-1/2 inch connection size 2 inch connection size
选项					W2 G1 G2 S2 S3 I1 I2 I3 F1 BSPT BSPP	Plexiglass window Teflon® gasket Viton® gasket 316SS Shaft (Not on 350 Model) Monel Shaft (Not on 350 Model) ABS impeller with bronze bushing (Not on 350, 360) 316SS impeller (Not on 350, 360) No impeller (100 only) 316SS Flapper (360 only) BSPT threads BSPP threads

300F系列特性
介质: 兼容液体或气体.
接液材质: 窗口: 回火玻璃; 本体: 碳钢或316 SS; 密封片: Buna-N, 氟橡胶or PTFE; 指示轮: ABS or 316 SS叶轮(360)
温度限制: 200°F (93°C).
压力限制: 150 psig (10.34 bar)
连接: 法兰

举例	SFI	360FSS	1-1/2	G1	SFI-360FSS-1-1/2-G1 Sight Flow Indicator; double window, tempered glass, Teflon® gasket, 316SS body,304SS flapper, 1-1/2 inch raised face flange connections
型号	SFI				Sight flow indicator, double window, tempered glass, Buna-N gaskets standard, raised face flange connections
类型		350FCS 350FSS 360FCS 360FSS			Carbon steel body, no moving indicator 316SS body, no moving 316SS indicator Carbon steel body, 316SS flapper 316SS body, 316SS flapper
连接尺寸			1-1/2 2 3 4 6		1-1/2 inch raised face flange connection size 2 inch raised face flange connection size 3 inch raised face flange connection size 4 inch raised face flange connection size 6 inch raised face flange connection size
可选项				G1 G2	Teflon® gasket Viton® gasket

举例	SFI	400	1-1/2	SFI-400SS-1-1/2 Sight Flow Indicator; tube type, borosilicate tube, Teflon® gaskets, 316SS body, 1-1/2 inch female NPT connections
型号	SFI			Sight flow indicator, tube type, borosilicate tube, Teflon® gaskets
类型		400CI 400SS 400F		Female NPT connections, cast iron body (only for 1 through 2 inch sizes) Female NPT connections, 316SS body Raised face flange connection, 316SS body (only for 1 inch and up sizes)
尺寸			1/2 3/4 1 1-1/4 1-1/2 2 3 4	1/2 inch connection size 3/4 inch connection size 1 inch connection size 1-1/4 inch connection size 1-1/2 inch connection size 2 inch connection size 3 inch connection size 4 inch connection size

举例	SFI	700SS	1-1/2		SFI-700SS-1-1/2 Sight Flow Indicator; tube type with 8 blade Delrin® impeller and integral wipers to clean tube interior, tempered borosilicate tube, Viton® gaskets, 316SS body, 1-1/2 inch female NPT connections
型号	SFI				Sight flow indicator, tube type with 8 blade Delrin impeller and integral wipers to clean tube interior, tempered borosilicate tube, Viton® gaskets
类型		700 700SS			Brass body 316SS body
连接尺寸			1/4 3/8 1/2 3/4 1 1-1/4 1-1/2		1/4 inch female NPT connection size 3/8 inch female NPT connection size 1/2 inch female NPT connection size 3/4 inch female NPT connection size 1 inch female NPT connection size 1-1/4 inch female NPT connection size 1-1/2 inch female NPT connection size
可选项				BSPT BSPP	BSPT threads BSPP threads