Series 312 Specification for Military Rubber Hose

Application: Suitable for general oil suction and discharge in the military.

Structure: Composed of an inner rubber layer, a fiber reinforcement layer, an outer rubber layer, and a metal spiral wire embedded between the inner and outer rubber layers (hoses with special requirements and hoses with a diameter less than or equal to 40mm do not embed metal spiral wires).

Appearance: Black, with smooth surface and cloth - patterned surface.

Temperature range: - 41℃ ~ + 70℃

Reference standard: GJB 3713A – 2013

TYPE	Nominal Inner	I.D mm		O.D mm		Max W.P	Min B.P	Min B.R
	mm	Size	Tolerance	Size	Tolerance	MPa	MPa	mm
312-25	25	25	±1.25	37	±1.5	1.0	3.0	115
312-40	40	38		52		1.0	3.0	180
312-50	50	51		37		1.0	3.0	215
312-65	65	63	+0.2 -1.0	79	+0.2 -1.0	1.0	3.0	230
312-80	80	76		91		1.0	3.0	280
312-100	100	102		121		1.0	3.0	345
312-150	150	150		173		1.0	3.0	450

Notes:

1.Specifications or working pressures not listed in the table can be designed and produced separately according to customer requirements.

2.Specifications or working pressures not listed in the table can be designed and produced separately according to customer requirements.