Well Control Professional Tube BOP Control Line ——GNG High-pressure Fire-resistant and Heat-insulation Hose Assembly Patent No.:ZL 92 104811.4 1、Scope of application: The hose for well control-GNG high-pressure, fire-resistant and heat-insulation hose assembly is mainly used for the hydraulic control of the BOP for drilling and for hydraulic transmission at high-temperature and flammable places in the metallurgic industry. 2、Product classification: high molecular polymer jacket type, stainless steel armored jacket type and braided stainless steel wire jacket type. 3、Applicable Standard: API Spec 16D-0140 SY/T5053.2-2002

Specification for hose and indices for technical properties

Nominal inner dia.(mm)	Outer dia.of hose assembly (mm)	Operating Pressure （MPa）	Min.burst Pressure （MPa）	Min. bending radius (mm)	Thread	Operating time (min)with fire-resisting    at 750℃
						Normal	Limit
19	44	35	105	280	NPT LP	5	25
	50	70	175
22	47	35	105	320
	53	70	175
25	50	35	105	360
	56	70	175
31.5	56	35	105	460
	62	70	175
38	63	35	105	560
	69	70	175