Railway Vehicles Air Brake Coupling Hose with UIC Standard

Leakage test: Keep 14.0Mpa for 5-5.5 mins Low temperature leak test: -40℃±2℃ *24h with bending180° Bending test: ≤10% Ozone test: Concentration 50 pphm with temperature of 40℃ last for 72 h

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Description

Railway Vehicles Air Brake Coupling Hose with UIC Standard：

000

UIC-830-1-85
Drawing No.	ID		OD		Burst pressure		Weight
Drawing No.	mm	inch	mm	inch	bar	psi	kg/m
HTH35131	18	23/32	32	1.26	70	1050	0.45
HTH35132	22	7/8	37	1.46	70	1050	0.49
HTH35133	28	1-7/64	46	1.81	70	1050	0.72
HTH35134	28	1-7/64	48	1.89	70	1050	0.83
HTH35135	35	1-3/8	51	2.01	70	1050	0.76

Technical Parameter:

Tests	EN(16*24)
Hydrostatic test	5.0Mpa
Elongation	Arrange from +2%-4% at press of 5.0Mpa
Leakage test	Keep 14.0Mpa for 5-5.5 mins
Burst test	≥20Mpa
Bending test	≤10%
Pulse test	Pulsating Pressure 6.25Mpa
	Pulse frequency:60/min
	Medium Temperature:100℃±3℃
	Waveform:Square
Low temperature leak test	-40℃±2℃ *24h with bending180°
Friction test(Adhesion)	Between tube and plies:4.0kN/mm Between cover and plies:3.8kN/mm
Ozone test	Concentration:50pphm Last for:72 h With temperature:40℃