WRAS EPDM Assembly with Stainless Steel Overbraid
Compression End Connections

Hose Part Number	ID	OD	Working Pressure	Min Bend	Minimum Assembly Cut Length	Coil Size	Ferrule
	MM	MM	Bar	MM	MM	M
SW08	8	12	20	27	80	200	B13X14SS
SW10	10	14	20	40	150	150	B15X19.5SS
SW13	13	17	20	60	150	100	B18.5X19.5SS
SW19	19	27	16	80	180	50	B29X30SS
SW25	25	34	10	100	180	50	B36X38SS

 

Diagram 2 displaying the overall length and cut length of a hose assembly

The arrow on drawing D2 denotes the 'R' measurement showing the 'Minimum Bore Through Fittings (mm)' which is reduced through the fitting tail, with a tolerance of +/- 0.2mm. The below measurements represent the minimum bore of each DN size; however, fittings will vary in bore size. For further information regarding this please contact out technical department.

DN Size	Hose Bore (Inches)	Hose Bore (mm)	R = Minimum Bore Through Fittings (mm)
DN06	1/4"	6	4.2
DN08	5/16"	8	5.7
DN10	3/8"	10	6.7
DN13	1/2"	13	8.7
DN19	3/4"	19	14.8
DN25	1"	25	19.8
DN32	1 1/4"	32	25.5
DN40	1 1/2"	40	31.8
DN50	2"	50	40.4

 

DN	D	R	A	B	L	Z/d90deg	Z/180deg	Z/d360deg
DN08	12	27	27	18	78	132	174	258
DN10	14	40	40	20	107	183	246	258
DN13	18	60	60	22	151	258	352	540
DN16	22	70	70	25	176	300	410	630
DN19	27	80	80	29	202	344	470	722
DN25	34	100	100	33	250	423	580	894
DN32	44	160	160	37	379	645	896	1398
DN40	54	180	180	50	437	743	1026	1592
DN50	64	230	230	56	548	933	1294	2016

 

Working Pressure Bar (Tolerance +/- 1 Bar)
			Temperature
Part No.	Bore	20°C		30°C	40°C	50°C	60°C	70°C	80°C	90°C	100°C
SW08	DN08	20		20	20	20	18	18	17	17	16
SW10	DN10	20		20	20	20	18	18	17	17	16
SW13	DN13	20		20	20	20	15	15	14	14	13
SW19	DN20	16		16	16	16	12	12	11	11	11
SW25	DN25	10		10	10	9	9	9	9	9	9

Theoretical Minimum Burst Pressure (Bar)
			Temperature
Part No.	Bore	20°C		30°C	40°C	50°C	60°C	70°C	80°C	90°C	100°C
SW08	DN08	120		120	120	120	115	110	100	90	66
SW10	DN10	120		120	120	120	115	110	100	90	66
SW13	DN13	90		90	90	90	88	86	83	80	53
SW19	DN20	80		80	80	80	79	78	76	75	43
SW25	DN25	60		60	60	60	58	57	56	55	36

Formula: Pc = (TxL) + R (in mbar)

Pc = Pressure Drop in mbar T = Pressure drop in mbar for one meter of hoses according to its flow capacity in M3/h (Schedule 1) L = Hose Length in meters R = Pressure drop in mbar caused by two fittings (male x female), same condition than 'T' (Schedule 2)

Flexible hose with one straight and one elbow fittings= R x 1.5 Flexible hose with two elbow fittings = R x 3 Example: Flexible hose DN13 length 500mm 1 FP - MC, flow capacity 1000 l/h Pc = (26 mbar/m x 0.5m) + 23 mbar = 36 mbar Flexible hose DN25 length 800 1 FP - FPN, flow capacity 1500 l/h Pc = (3mbar/m x 0.8m) + (2.5 mbar x 1.5) = 9 mbar Note: 'T' value only valid for hoses installed straight. Installation with bend can cause pressure drop relative to decrease in bend radius.