Vacuum Insulated Tube (V.I.T) & Casing (V.I.C)

Description

Vacuum Insulated Tube (V.I.T) & Casing (V.I.C)

V.I.T & V.I.C products are composed of main pipe string, insulation material, coupling (or flush connection), special seal, inner pipe etc. Catering to the updated operation methods and applications, the special V.I.T & V.I.C products such as Pre-stressed Insulated Tube & Casing, Premium Connection V.I.T & V.I.C, Geothermal Exploration V.I.T and Aerogel V.I.T & V.I.C are developed to meet the clients’ request.

Technical & Performance Parameters

No.	Outer Pipe OD * Inner Pipe ID	Basic Parameters					Main Performance Parameters							Application Parameters
		Grade	*Outer Pipe ODW.T.**	*Inner Pipe ODW.T.**	Coupling OD	Thread	Thermal Conductivity (when Inner Wall of Inner Pipe at 350℃)	Tensile Load at Room Temperature	Internal Pressure Resistance		External Pressure Resistance		Flatness	Well Depth	Temperature
															℃
															Normal Working Condition	Overheat (3-4h)
									Mpa		Mpa		%	m
									Room Temperature	Gas Injection	Room Temperature	Gas Injection
	mm*mm		mm*mm	mm*mm	mm		W/(m·℃)	KN	Room Temperature	Gas Injection	Room Temperature	Gas Injection
1	73*40	N80	73.02*5.51	48.26*3.68	88.9	2-7/8USS	0.002-0.08	385	32	20	30	28	≤0.2	≤1500	350	380
2	88*40	N80	88.9*6.45	48.26*3.68	108	3-1/2USS	0.002-0.08	402	32	20	30	28	≤0.2	≤1500	350	380
3	88*50	N80	88.9*6.45	60.32*4.83	108	3-1/2USS	0.002-0.08	432	32	20	30	28	≤0.2	≤1500	350	380
3	88*50	P110	88.9*6.45	60.32*4.83	108	3-1/2USS	0.002-0.08	432	50	40	50	37	≤0.2	≤2200	390	400
4	114*62	N80	114.3*6.88	73.02*5.51	133.35	4-1/2BC	0.002-0.08	506	32	20	26	24	≤0.2	≤1500	350	380
4	114*62	P110	114.3*6.88	73.02*5.51	133.35	4-1/2BC	0.002-0.08	600	50	40	50	37	≤0.2	≤2400	390	470
5	114*76	N80	114.3*6.88	88.9*6.45	133.35	4-1/2BC	0.002-0.08	537	32	20	26	24	≤0.2	≤1500	350	380
5	114*76	P110	114.3*6.88	88.9*6.45	133.35	4-1/2BC	0.002-0.08	600	50	40	50	37	≤0.2	≤2400	390	470
6	127*76	N80	127.0*9.19	88.9*6.45	147.32	5BC	0.002-0.08	615	32	20	23	21	≤0.2	≤1300	350	380
7	139*101	N80	139.7*7.72	114.3*6.35	160.02	5-1/2BC	<0.02	756	32	20	23	21	≤0.2	≤1300	350	380
8	177*124	N80	177.8*9.19	139.7*7.72	200.03	7BC	<0.02	1032	32	20	23	21	≤0.2	≤1200	350	380

Note: Other grades could be customized and pls inform the technical requirement for further communication.