plastic coated metal tube
1) light weight style,
2) excellent flexibility and low fire hazard low smoke

plastic coated metal tube

    Galvanized steel core.plastic jacketed,

Light weight style,excellent flexibility and low fire hazard low smoke Use for the place with poor ventilation or the environment needs.More secure care or any narrow space for electrical wiring applications.

 

specification		min inside diameter (mm)	outside diametermm		pitch point  mm	pitch m	suit steel tube
Metric	G system		JH	JSH			thin steel tube		thick-wall steel tube
Φ8	5/16	7.7	11	11.8	4	100
Φ10	1/4	9.7	13.5	14.5	4.7	100	#12	1/2″
Φ12	3/8	11.7	15.5	16.5	4.7	100	#15	5/8″	#12	3/8″
Φ15	1/3	14.7	19	20.2	5.7	100	#20	3/4″	#15	1/2″
Φ20	3/4	19.6	24.5	24.5	6.4	50	#25	1″	#20	3/4″
Φ25	1	24.5	30.3	31.7	8.7	50	#32	1/1/4″	#25	1″
Φ32	1/1/4	31.5	38	39.6	10.5	25	#40	1/1/2″	#32	1/1/4″
Φ38	1/1/2	37.5	45	46.6	11.4	25	#50	2″	#40	1/1/2″
Φ51	2	49.5	58	59.6	11.4	20	#70	2/1/2″	#50	2″
Φ64	2/1/2	62.5	72.5	74	14.2	10	#80	3″	#70	2/1/2″
Φ75	3	73	83.5	85	14.2	10			#80	3″
Φ100	4	97	108.5	109	14.2	10			#100	4