Products — YK Hydraulic & Industrial Hoses

High-Pressure Steel Wire Braided Rubber Hose

GB/T 3683-2006 · ISO/DIS 1436-1985 · DIN 20022

Construction: oil-resistant synthetic rubber inner tube + one / two / three steel wire braid reinforcement + oil- and weather-resistant synthetic rubber cover. Applications: hydraulic fluid lines — glycol, mineral oils, fuels, lubricants, emulsion, hydrocarbons. Working temperature: −40 °C to +100 °C.

One-Wire Braid (1SN type)

Hose Size	Inside Ø mm	Reinforcement Ø mm	Outside Ø mm	Working Pressure		Proof Pressure		Burst Pressure		Min. Bend Radius mm	Weight kg/m
Hose Size	Inside Ø mm	Reinforcement Ø mm	Outside Ø mm	MPa	PSI	MPa	PSI	MPa	PSI	Min. Bend Radius mm	Weight kg/m
1-5-21	5 ± 0.5	9.5 ± 0.6	14 ± 0.8	21	3043	31.5	4564	63	9129	90	0.25
1-6-20	6 ± 0.5	11.7 ± 0.6	16 ± 0.8	20	2998	30	4347	60	8694	100	0.34
1-8-17.5	8 ± 0.5	13.7 ± 0.6	18 ± 1.0	17.5	2538	26.25	3804	52.5	7607	115	0.41
1-10-16	10 ± 0.5	15.7 ± 0.6	20 ± 0.8	16	2318	24	3478	48	6955	130	0.47
1-13-14	13 ± 0.5	19.7 ± 0.6	24 ± 0.8	14	2028	21	3043	42	6086	180	0.67
1-16-12	16 ± 0.5	22.7 ± 0.8	27 ± 1.2	12	1739	18	2608	36	5216	205	0.70
1-19-10	19 ± 0.5	25.7 ± 0.8	30 ± 1.0	10	1449	15	2174	30	4347	240	0.84
1-22-9	22 ± 0.5	28.7 ± 0.8	33 ± 1.2	9	1304	13.5	1956	27	3912	280	0.95
1-25-8	25 ± 0.5	32.2 ± 0.8	37 ± 1.2	8	1159	12	1739	24	3478	300	1.09
1-32-6	32 ± 0.5	39.2 ± 0.8	44 ± 1.5	6	869	9	1304	18	2606	420	1.38
1-38-5	38 ± 0.7	45.2 ± 0.8	50 ± 1.5	5	725	7.5	1087	15	2174	500	1.80
1-51-4	51 ± 1.0	58.2 ± 0.8	63 ± 1.5	4	579	6	869	12	1739	630	2.80
1-64-2.5	64 ± 1.0	71 ± 0.8	77 ± 1.5	2.5	362	3.75	543	7.5	1087	770	4.00
1-76-1.5	76 ± 1.0	84 ± 0.8	90 ± 1.5	1.5	217	2.25	326	4.5	652	930	5.50
1-89-1	89 ± 1.0	97 ± 0.8	104 ± 1.5	1	144.9	1.5	217	3	435	1100	7.60
1-102-1	102 ± 1.0	110 ± 0.8	116 ± 1.5	0.8	116	1.2	174	2.4	346	1250	9.00

Two-Wire Braid (2SN type)

Hose Size	Inside Ø mm	Reinforcement Ø mm	Outside Ø mm	Working Pressure		Proof Pressure		Burst Pressure		Min. Bend Radius mm	Weight kg/m
Hose Size	Inside Ø mm	Reinforcement Ø mm	Outside Ø mm	MPa	PSI	MPa	PSI	MPa	PSI	Min. Bend Radius mm	Weight kg/m
2-5-60	5 ± 0.5	11.2 ± 0.6	15 ± 0.8	60	8694	90	13041	150	21735	90	0.40
2-6-60	6 ± 0.5	13.5 ± 0.6	18 ± 1.0	60	8694	90	13041	150	21735	100	0.45
2-8-50	8 ± 0.5	15.5 ± 0.6	20 ± 1.0	50	7245	75	10868	125	18113	115	0.62
2-10-40	10 ± 0.5	17.5 ± 0.6	22 ± 1.0	40	5796	60	8694	100	14490	130	0.71
2-10-53	9.7 ± 0.5	16.5 ± 0.6	21.4 ± 0.8	53	7680	79.5	11520	132	19127	130	0.71
2-13-36	13 ± 0.5	21.5 ± 0.8	26 ± 1.0	36	5200	54	7800	108	15650	180	0.93
2-16-21	16 ± 0.5	24.5 ± 0.8	29 ± 1.2	21	3043	31.5	4564	63	9129	205	1.00
2-16-34	16 ± 0.5	24.5 ± 0.8	29 ± 1.2	34	4926	51	7390	85	12317	205	1.00
2-19-18	19 ± 0.5	27.5 ± 0.8	32 ± 1.2	18	2608	27	3912	54	7825	240	1.23
2-19-34	19 ± 0.5	27.5 ± 0.8	32 ± 1.2	34	4926	51	7390	85	12317	240	1.23
2-22-16	22 ± 0.5	30.5 ± 0.8	35 ± 1.2	16	2318	24	3478	48	6955	280	1.38
2-25-21	25 ± 0.5	34 ± 0.8	39 ± 1.2	21	3035	32	4575	63	9150	300	1.54
2-32-11	32 ± 0.5	41 ± 0.8	46 ± 1.5	11	1594	16.5	2391	33	4782	420	1.82
2-38-10	38 ± 0.7	47 ± 0.8	52 ± 1.5	10	1449	15	2174	30	4347	500	2.44
2-51-8	51 ± 1	60 ± 0.8	65 ± 1.5	8	1159	12	1789	24	3478	630	3.18
2-64-5	64 ± 1	74 ± 1	79 ± 1.5	5	725	7.5	1087	15	2174	790	3.74
2-76-4	76 ± 1	86 ± 1	90 ± 1.5	4	580	6	895	12	1789	920	4.77
2-89-3	89 ± 1	99 ± 1	106 ± 1.5	3.5	507	5.25	761	10.5	1521	1060	5.73
2-102-3	102 ± 1	112 ± 1	118 ± 1.5	3	435	4.5	652	9	1304	1200	6.16
2-127-2	127 ± 1	137 ± 1	143 ± 1.5	2	290	3	448	6	869	1450	7.32

Three-Wire Braid

Hose Size	Inside Ø mm	Reinforcement Ø mm	Outside Ø mm	Working Pressure		Proof Pressure		Burst Pressure		Min. Bend Radius mm	Weight kg/m
Hose Size	Inside Ø mm	Reinforcement Ø mm	Outside Ø mm	MPa	PSI	MPa	PSI	MPa	PSI	Min. Bend Radius mm	Weight kg/m
3-5-72	5 ± 0.5	13.2 ± 0.6	17 ± 0.8	72	10433	108	15649	180	26082	120	0.50
3-6-68	6 ± 0.5	15.0 ± 0.6	19 ± 1.0	68	9853	102	14780	170	24633	140	0.56
3-8-54	8 ± 0.5	17.5 ± 0.6	22 ± 1.0	54	7825	81	11737	120	17388	160	0.83
3-10-44	10 ± 0.5	19.5 ± 0.6	24 ± 1.0	44	6376	66	9563	110	15939	180	0.95
3-13-36	13 ± 0.5	23.5 ± 0.8	28 ± 1.2	36	5200	54	7800	108	15650	240	1.22
3-16-32	16 ± 0.5	26.5 ± 0.8	31 ± 1.2	32	4625	48	7000	96	13900	300	1.30
3-19-28	19 ± 0.5	29.5 ± 0.8	34 ± 1.2	28	4050	42	6010	84	12150	330	1.62
3-22-26	22 ± 0.5	32.5 ± 0.8	37 ± 1.2	26	3750	35	5650	78	11300	380	1.81
3-25-24	25 ± 0.5	36.0 ± 0.8	41 ± 1.0	24	3500	36	5200	72	10500	400	1.99
3-32-13	32 ± 0.5	43.0 ± 0.8	48 ± 1.2	13	1884	19.5	2826	39	5651	450	2.46
3-38-12	38 ± 0.7	49.0 ± 0.8	54 ± 1.5	12	1789	18	2608	36	5216	500	3.08
3-51-10	51 ± 1	62.0 ± 0.8	67 ± 1.5	10	1449	15	2174	30	4347	630	3.96
3-64-6	64 ± 1	75.0 ± 0.8	80 ± 1.5	6	895	9	1304	18	2608	790	4.72
3-76-5	76 ± 1	88.0 ± 0.8	92 ± 1.5	5	725	7.5	1087	15	2174	960	5.69
3-89-4	89 ± 1	101.0 ± 0.8	107 ± 1.5	4	580	6	895	12	1789	1100	6.8
3-102-3.5	102 ± 1	114.0 ± 0.8	120 ± 1.5	3.5	507	5.25	761	10.5	1521	1280	7.34
3-127-3	127 ± 1	139 ± 1	145 ± 1.5	3	435	4.5	652	9	1304	1560	8.45

SAE 100R1AT / 100R2AT Wire Braided Hose

SAE 100R1AT · SAE 100R2AT

Construction: oil-resistant synthetic rubber tube, one (R1AT) or two (R2AT) steel wire braid, oil- and weather-resistant cover. Working temperature: −40 °C to +100 °C.

SAE 100R1AT — One-Wire Braid

Hose Size	Inside Ø mm	Reinforcement Ø mm	Outside Ø mm	Working Pressure		Proof Pressure		Burst Pressure		Min. Bend Radius mm	Weight kg/m
Hose Size	Inside Ø mm	Reinforcement Ø mm	Outside Ø mm	MPa	PSI	MPa	PSI	MPa	PSI	Min. Bend Radius mm	Weight kg/m
3/16"	4.8 ± 0.8	9.5 ± 0.6	12.5	20.7	3000	41.4	6000	82.7	12000	89	0.20
1/4"	6.3 ± 0.2	11.1 ± 0.6	14.1	19	2750	38	5500	75.8	11000	102	0.25
5/16"	7.9 ± 0.6	12.7 ± 0.6	15.7	17.2	2500	34.4	5000	68.9	10000	114	0.31
3/8"	9.5 ± 0.6	15.1 ± 0.6	18.1	15.5	2250	31	4500	62	9000	127	0.36
1/2"	12.7 ± 0.8	18.3 ± 0.8	21.5	13.8	2000	27.6	4000	55.2	8000	178	0.45
5/8"	15.9 ± 0.8	21.4 ± 0.8	24.7	10.3	1500	20.6	3000	41.4	6000	203	0.52
3/4"	19.0 ± 0.8	25.4 ± 0.8	28.6	8.6	1250	17.2	2500	34.5	5000	241	0.65
7/8"	22.2 ± 0.8	28.6 ± 0.8	31.8	7.8	1125	15.5	2250	31	4500	279	0.83
1"	25.4 ± 1.0	33.3 ± 0.8	36.6	6.9	1000	13.8	2000	27.6	4000	305	0.91
1 1/4"	31.8 ± 1.3	40.5 ± 1.2	44.8	4.3	625	8.6	1250	17.2	2500	419	1.30
1 1/2"	38.1 ± 1.2	46.6 ± 1.2	52.0	3.4	500	6.8	1000	13.8	2000	508	1.70
2"	50.8 ± 1.2	60.3 ± 1.5	65.9	2.6	375	5.2	750	10.3	1500	635	2.00

SAE 100R2AT — Two-Wire Braid

Hose Size	Inside Ø mm	Reinforcement Ø mm	Outside Ø mm	Working Pressure		Proof Pressure		Burst Pressure		Min. Bend Radius mm	Weight kg/m
Hose Size	Inside Ø mm	Reinforcement Ø mm	Outside Ø mm	MPa	PSI	MPa	PSI	MPa	PSI	Min. Bend Radius mm	Weight kg/m
3/16"	4.8 ± 0.8	11.2 ± 0.5	14.1	34.5	5000	69	10000	137.9	20000	89	0.32
1/4"	6.3 ± 0.2	12.7 ± 0.6	15.7	34.5	5000	69	10000	137.9	20000	102	0.36
5/16"	7.9 ± 0.6	14.3 ± 0.6	17.3	29.3	4250	58.5	8500	117.2	17000	114	0.45
3/8"	9.5 ± 0.6	16.7 ± 0.6	19.7	27.6	4000	55.2	8000	110.3	16000	127	0.54
1/2"	12.7 ± 0.8	19.8 ± 0.8	23.1	24.1	3500	48.3	7000	96.5	14000	178	0.68
5/8"	15.9 ± 0.8	23.0 ± 0.8	26.3	19	2750	37.9	5500	75.8	11000	203	0.80
3/4"	19.0 ± 0.8	27.0 ± 0.8	30.2	15.5	2250	31	4500	62	9000	241	0.94
7/8"	22.2 ± 0.8	30.2 ± 0.8	33.4	13.8	2000	27.6	4000	55.2	8000	279	1.20
1"	25.4 ± 1.0	34.9 ± 0.8	38.9	13.8	2000	27.6	4000	55.2	8000	305	1.35
1 1/4"	31.8 ± 1.2	44.5 ± 1.1	49.6	11.2	1625	22.4	3250	44.8	6500	419	2.15
1 1/2"	38.1 ± 1.2	50.8 ± 1.2	56.0	8.6	1250	17.2	2500	34.5	5000	508	2.85
2"	50.8 ± 1.2	63.5 ± 1.2	68.6	7.8	1125	15.5	2250	31	4500	635	3.42

High-Pressure Steel Wire Spiral Rubber Hose

GB/T 10544-2003 · DIN 2003 · SAE 100R9 / R10 / R12

Construction: oil-resistant synthetic rubber tube + four or six spiral steel wire layers + oil- and weather-resistant cover. Applications: high-impulse hydraulic circuits on construction machinery, mining equipment and oil systems. Working temperature: −40 °C to +120 °C.

4-Spiral / 2-Spiral (4SP / 2SP)

Hose Size	Inside Ø mm	Reinforcement Ø mm	Outside Ø mm	Working Pressure		Burst Pressure		Min. Bend Radius mm	Weight kg/m
Hose Size	Inside Ø mm	Reinforcement Ø mm	Outside Ø mm	MPa	PSI	MPa	PSI	Min. Bend Radius mm	Weight kg/m
4sp-6-100	6 ± 0.5	14.4 ± 0.8	19 ± 1.0	100	14490	210	30429	130	0.65
4sp-8-80	8 ± 0.5	16.4 ± 0.8	20.5 ± 1.0	80	11592	210	30429	145	0.85
4sp-10-70	10 ± 0.5	19.2 ± 0.8	24 ± 1.0	70	10143	210	30429	160	1.03
4sp-13-60	13 ± 0.5	22.2 ± 0.8	27 ± 1.0	60	8694	180	26082	410	1.21
4sp-16-55	16 ± 0.5	26 ± 0.8	30 ± 1.0	55	7970	165	23909	260	1.72
4sp-19-46	19 ± 0.5	30 ± 0.8	35 ± 1.5	46	6665	140	20286	280	2.08
2sp-19-32	19 ± 0.5	27 ± 0.8	31 ± 1.0	32	4625	96	13875	280	1.32
4sp-22-40	22 ± 0.8	33 ± 0.8	37 ± 1.5	40	5796	120	17388	320	2.39
4sp-25-40	25 ± 0.8	36 ± 0.8	41 ± 1.5	40	5800	120	17400	360	2.51
2sp-25-21	25 ± 0.8	33 ± 0.8	38 ± 1.5	21	3043	64	9274	360	1.64
4sp-32-35	32 ± 0.8	44 ± 0.8	49 ± 1.5	35	5050	105	15150	460	3.12
2sp-32-20	32 ± 0.8	41 ± 0.8	46 ± 1.5	20	2898	60	8694	460	2.14
4sp-38-35	38 ± 1.0	50.8 ± 1	56 ± 1.5	35	5050	105	15150	560	4.31
4sp-45-35	45 ± 1.0	57.8 ± 1	61.8 ± 1.5	35	5050	105	15150	650	4.87
4sp-51-35	51 ± 1.0	63.8 ± 1	69 ± 1.5	35	5050	105	15150	720	5.40
2sp-51-15	51 ± 1.0	60.8 ± 1	65 ± 1.5	15	2175	45	6525	720	3.42

6-Spiral (6SP)

Hose Size	Inside Ø mm	Reinforcement Ø mm	Outside Ø mm	Working Pressure		Proof Pressure		Burst Pressure		Min. Bend Radius mm	Weight kg/m
Hose Size	Inside Ø mm	Reinforcement Ø mm	Outside Ø mm	MPa	PSI	MPa	PSI	MPa	PSI	Min. Bend Radius mm	Weight kg/m
6sp-6-110	6 ± 0.5	16.6 ± 0.8	20.6 ± 1.0	110	15939	115	16736	231	33472	180	0.95
6sp-10-77	10 ± 0.5	21.8 ± 0.8	25.8 ± 1.0	77	11157	85.5	12369	231	33472	210	1.48
6sp-13-66	13 ± 0.5	24.8 ± 0.8	28.8 ± 1.0	66	9563	72	10433	198	28650	260	1.75
6sp-16-65	16 ± 0.5	29.0 ± 0.8	33.0 ± 1.0	65	9425	97.5	14125	195	28250	310	2.02
6sp-19-60	19 ± 0.5	33.0 ± 0.8	37.0 ± 1.5	60	8700	90	13050	180	25100	350	2.49
6sp-25-50	25 ± 0.8	39.0 ± 0.8	45 ± 1.5	50	7250	65	10850	150	21750	430	2.82
6sp-32-45	32 ± 0.8	47.0 ± 0.8	53 ± 1.5	45	6525	68	9860	135	19550	530	3.79
6sp-38-45	38 ± 1.0	54.2 ± 1.0	59 ± 1.5	45	6525	68	9860	135	19550	660	5.76
6sp-51-45	51 ± 1.0	67.2 ± 1.0	73 ± 1.5	45	6525	68	9860	135	19550	820	7.13

SAE 100R13 Four-Spiral Hose

SAE 100R13

Four spiral wire reinforcement for very high-pressure, high-impulse service. Working temperature: −40 °C to +120 °C.

Hose Size	Inside Ø mm	Reinforcement Ø mm	Outside Ø mm	Working Pressure		Proof Pressure		Burst Pressure		Min. Bend Radius mm	Weight kg/m
Hose Size	Inside Ø mm	Reinforcement Ø mm	Outside Ø mm	MPa	PSI	MPa	PSI	MPa	PSI	Min. Bend Radius mm	Weight kg/m
3/4"	19.2 ± 0.6	29 ± 0.8	32.1 ± 1.1	34.5	5000	69	10000	138	20000	241	1.75
1"	25.7 ± 0.7	35.7 ± 0.7	38.7 ± 1.1	34.5	5000	69	10000	138	20000	305	2.30
1 1/4"	32.2 ± 0.8	46.8 ± 0.8	49.8 ± 1.5	34.5	5000	69	10000	138	20000	419	3.70
1 1/2"	38.5 ± 0.8	54.3 ± 1.2	57.3 ± 1.5	34.5	5000	69	10000	138	20000	508	4.85
2"	51.2 ± 0.8	68.1 ± 1.2	71.1 ± 1.6	34.5	5000	69	10000	138	20000	635	6.90

Steel Wire Spiral Drilling Rubber Hose

Q/HOY01-2003

Construction: inner rubber protection layer, middle rubber layer, steel wire spiral layer and external rubber cover. Used in oil fields for well cementing and repairing, geological exploration, small drilling machines and water conveyance at coal excavations — carrying mud, water and other fluids.

Hose Size	Inside Ø mm	Outside Ø mm	Working Pressure		Proof Pressure		Burst Pressure		Min. Bend Radius mm	Weight kg/m
Hose Size	Inside Ø mm	Outside Ø mm	MPa	PSI	MPa	PSI	MPa	PSI	Min. Bend Radius mm	Weight kg/m
4sp-51-35	51 ± 1.0	69 ± 1.5	35	5000	70	10000	87.5	12500	900	5.7
4sp-64-35	64 ± 1.2	84 ± 1.5	35	5000	70	10000	87.5	12500	1100	6.7
4sp-76-35	76 ± 1.4	107 ± 2	35	5000	70	10000	87.5	12500	1200	16.2
4sp-89-35	89 ± 1.4	120 ± 2	35	5000	70	10000	87.5	12500	1300	18.4
4sp-102-35	102 ± 1.5	139 ± 2	35	5000	70	10000	87.5	12500	1400	20.3
6sp-51-50	51 ± 1.0	72 ± 1.5	50	7250	100	14500	175	18150	1000	6.2
6sp-64-45	64 ± 1.2	88 ± 1.5	45	6500	90	13000	112.5	16250	1200	7.4
6sp-76-70	76 ± 1.4	116 ± 2	70	10150	140	20300	175	25400	1300	23.7
6sp-89-70	89 ± 1.4	135 ± 2	70	10150	140	20300	175	25400	1400	26.6
6sp-102-70	102 ± 1.5	148 ± 2	70	10150	140	20300	175	25400	1600	29.8

Marine High-Pressure Oil Conveying Hose

Q/HOY04-2003

Construction: steel wire spiral reinforced layer with inner/outer oil- and corrosion-resistant synthetic rubber. Used for carrying natural gas, petroleum, etc. on the sea floor. Bore sizes 152–305 mm.

Hose Size	Inside Ø mm	Outside Ø mm	Working Pressure		Proof Pressure		Burst Pressure		Min. Bend Radius mm	Weight kg/m
Hose Size	Inside Ø mm	Outside Ø mm	MPa	PSI	MPa	PSI	MPa	PSI	Min. Bend Radius mm	Weight kg/m
2sp-152-15	152 ± 2.0	179 ± 4.0	15	2150	30	4300	37.5	5425	2280	18
2sp-203-15	203 ± 2.0	230 ± 4.0	15	2150	30	4300	37.5	5425	3050	24
2sp-254-10	254 ± 2.0	282 ± 4.0	10	1450	20	2890	25	3625	3810	30
2sp-305-8	305 ± 2.0	338 ± 4.0	8	1159	16	2318	24	3477	4510	36
4sp-152-25	152 ± 2.0	192 ± 4.0	25	3625	50	7250	62.5	9060	2580	24
4sp-203-20	203 ± 2.0	243 ± 4.0	20	2890	40	5780	50	7225	3350	31
4sp-254-16	254 ± 2.0	292 ± 4.0	16	2318	32	4636	48	6955	4110	39
4sp-305-16	305 ± 2.0	350 ± 4.0	16	2318	32	4636	48	6955	4810	47

Flame-Resistant Rubber Hose

Q/HOY02-2000 · 750 °C rated

High-pressure steel wire spiral hose base, covered with fire-resistant coating, steel wire braid and a flame-retardant layer. Designed for high-temperature surroundings with heat sources or radiation — oil-field well control, metal smelting and chemical industries. Fire-resistant temperature: 750 °C.

Hose Size	Inside Ø mm	Outside Ø mm	Working Pressure		Burst Pressure		Min. Bend Radius mm	Fire Rating
Φ13 (1/2")	13 ± 0.5	44 ± 1.0	43	6231	86	12461	230	750 °C
Φ16 (5/8")	16 ± 0.5	47 ± 1.0	38	5506	76	11012	280
Φ19 (3/4")	19 ± 0.5	52 ± 1.5	34.5	4999	69	9998	300
Φ25 (1")	25 ± 0.8	59 ± 1.5	27.5	3985	55	7970	360
Φ32 (1 1/4")	32 ± 0.8	68 ± 2.0	20.5	2970	41	5941	470
Φ38 (1 1/2")	38 ± 1.0	76 ± 2.0	17	2463	34	4907	570
Φ51 (2")	51 ± 1.0	91 ± 2.0	17	2463	34	4927	740

Industrial Rubber Hoses

Sandblast · Cement · Oxygen Blowing · Water · Oil · Food Grade

A full range of industrial hoses for material handling, construction and processing lines. Custom sizes and lengths can be designed on request.

Abrasion-Resistant Sandblasting Hose

Polyurethane + SBR inner layer, 2–3× the abrasion life of ordinary sandblast hose. Bore 25 / 32 / 38 / 51 / 64 mm; working pressure 0.63 MPa; test pressure 2× working pressure. Steel-wire braided version withstands 3–4× the pressure of fabric-ply hose.

Cement Discharge & Suction Hose

For dock and station cement loading/unloading. High wear resistance, tight joints, fatigue and bend resistant. Bore 102–305 mm; working pressure 2 MPa (class III) / 10 MPa (class IV); length per customer requirements.

Oxygen Blowing Hose

For oxygen supply to steel-making equipment. Excellent oxidation and heat resistance, high pressure with low geometric deformation, good pull/bend fatigue strength and metal-joint sealing. Bore 51–127 mm; working pressure 1.6 / 2.0 / 2.5 MPa; min. burst 6.4 MPa; up to 50 m.

Fabric-Reinforced Oil Delivery Hose

Oil-resistant rubber tube for gasoline, kerosene, diesel, lubricants and mineral oils below 40 °C. Burst ≥ 4× working pressure. Bore 13–305 mm, WP 0.5–5 MPa, lengths 20–50 m.

Fabric-Reinforced Water Delivery Hose

Soft, aging-resistant hose for mining, factories, agriculture and construction — water and neutral liquids at ambient temperature. Burst ≥ 3.5× working pressure. Bore 13–305 mm, WP 0.8–2.5 MPa, lengths 20–50 m.

Food-Grade Rubber Hose

For conveying beer, beverages, vegetable oil, milk, etc. Fabric-reinforced, smooth food-safe tube. Bore 13–76 mm, WP 1–2 MPa, burst up to 1140 MPa·bar class, lengths 20–50 m.

Special sizes and performance grades can be designed to customer requirements — contact us for the full datasheet.

Flexible Metal Hose Series

Stainless steel · −196 °C … +420 °C

Stainless steel corrugated hose with one or more layers of wire braid; welded joints or flanges at both ends. Corrosion-resistant, high-temperature resistant, light weight and highly flexible. Widely used in aviation, aerospace, petroleum, chemical, metallurgy, power, paper, textile, construction, medicine, food, tobacco and transport industries.

Class	Nominal Ø DN mm	Working Pressure	Temperature Range	End Fittings
High pressure	4 – 32	up to 35 MPa (5071 PSI)	−196 °C … +420 °C	Flange · thread · quick joint · union · special types
Medium pressure	4 – 40	up to 10 MPa (1449 PSI)
Low pressure	40 – 250	0.8 – 2.5 MPa

Connection types: external/internal pawl, handgrip quick joint, ball-nut taper thread, male thread tongue-and-groove, union taper thread, hydrogen-blowing special type, flange connection and more.

Nylon Elastomer Resin Tube Series

GPA · XPA · Ultra-high-pressure

GPA — steel-wire reinforced nylon elastomer resin tube: for high-pressure fluid delivery and transfer in the automotive industry, engineering machinery and lifting/transport machinery. Oil-, heat- and aging-resistant, high pressure, excellent impulse performance; also used as the dedicated tube for high-pressure spray-painting washers. Bore 4–32 mm, working pressure up to 43 MPa, burst up to 152 MPa (smallest sizes), 4-fold safety factor.

XPA — fiber-reinforced nylon elastomer resin tube: high pressure, anti-static, heat-, wear- and oil-resistant with long service life. Applications include automotive pressure brake systems, brake steering, transmission control, engineering machinery hydraulic lines and hydraulic control systems. Bore 4–32 mm, working pressure up to 22 MPa.

Ultra-high-pressure steel wire spiral resin tubes available on request. Full parameter tables for GPA/XPA (bore 4–32 mm, reinforcement layers I/II/III) available on inquiry.

Hydraulic Connectors & High-Pressure Unions

ASTM · GB · NACE MR175 · API RP-14E

Hydraulic connector series: metric female 24° cone, metric male 24° cone, 74° conical seal, 60° cone seal, 60° conical seat, ORFS series, German-style, Japan-style, British-style, flange type and more — fitting codes A–Z.

High-pressure unions: for wellhead, natural gas wells and drilling / washing / fracturing equipment pipelines, 1"–4" bore, working pressure 14–105 MPa. Multiple seal forms, self-locking ACME thread, fully interchangeable parts, pressure-rated by color code. Sour-service unions produced to NACE MR175 and API RP-14E. Ends: LP female thread or butt-weld, custom on request.

Model	Size	Working Pressure MPa	Model	Size	Working Pressure MPa
UN14-1	1"	14	UN14-2	2"	14
UN25-1	1"	25	UN42-2	2"	42
UN28-1	1"	28	UN70-2	2"	70
UN42-1	1"	42	UN105-2	2"	105
UN70-1	1"	70	UN14-3	3"	14
UN70-1.5	1 1/2"	70	UN28-3	3"	28
UN14-2	2"	14	UN42-3	3"	42
UN42-2	2"	42	UN70-3	3"	70
UN70-2	2"	70	UN105-3	3"	105
—	—	—	UN14-4 / UN42-4 / UN70-4	4"	14 / 42 / 70