Roof Drain Hose Nitrile Cover

Roof drain hose for draining water through product containing up to 70% aromatic substances.

CONSTRUCTION

Black Nitrile Rubber, 70% aromatic

Four alternating layers of polyester reinforced with a double high-tensile steel wire helix; embedded copper wire for electrical continuity

Black, smooth nitrile rubber (NBR), resistant to oil, abrasion and weather

ID Range:

2" – 8" (51 mm – 203 mm)

Working Pressure:

145 PSI

Temp Range:

−22°F to +212°F (−30°C to +100°C)

Best For:

Roof drainage through product with up to 70% aromatics

SPECIFICATION

Sizes & ordering data

Part Number	ID		OD		Working Pressure		Burst Pressure		Bend Radius		Wall		Weight		Coil Length
Part Number	in	mm	in	mm	PSI	bar	PSI	bar	in	mm	in	mm	lb/ft	kg/m	ft	m
RDNH-200	2"	51	2.87	73	145	10	435	30	15.79	401	0.43	10.9	1.88	2.8	200	61
RDNH-250	2½"	64	3.43	87	145	10	435	30	16.73	425	0.43	10.9	2.76	4.11	200	61
RDNH-300	3"	76	3.86	98	145	10	435	30	17.72	450	0.43	10.9	3.1	4.61	200	61
RDNH-400	4"	102	4.96	126	145	10	435	30	23.62	600	0.47	11.9	4.44	6.61	200	61
RDNH-600	6"	152	6.97	177	145	10	435	30	35.43	900	0.49	12.4	7.6	11.31	200	61
RDNH-800	8"	203	9.13	232	145	10	435	30	47.24	1200	0.57	14.5	11.29	16.8	131	39.9

End options: internally swaged hose tail with flanges, in stainless steel or carbon steel.

Part Number	Nominal ID (Display)	OD (Inches)	Working Pressure (PSI)	Burst Pressure (PSI)	Bend Radius (Inches)	Weight (lbs/ft)	Standard Coil Length (ft)
RDNH-200	2"	2.87	145	435	15.79	1.88	200
RDNH-250	2½"	3.43	145	435	16.73	2.76	200
RDNH-300	3"	3.86	145	435	17.72	3.1	200
RDNH-400	4"	4.96	145	435	23.62	4.44	200
RDNH-600	6"	6.97	145	435	35.43	7.6	200
RDNH-800	8"	9.13	145	435	47.24	11.29	131

Hard-to-find specialty sizes sourced direct.