Hydraulic Bolt Tensioner Series, China Hydraulic Bolt Tensioner Series Manufacturers, Suppliers, Factory - Hangzhou Bete Equipment Manufacture Co.,Ltd.

Introduction

BETE Hydraulic Bolt Tensioner Series delivers accurate and controlled bolt preloading through hydraulic axial tensioning technology. Unlike conventional torque tightening methods, hydraulic bolt tensioners apply direct axial force to the bolt, minimizing friction effects and ensuring more consistent and accurate preload distribution.

Product Features

1. HTE Series Multi-stage Hydraulic Bolt Tensioner for Wind Power

HTE Series Multi-stage Hydraulic Bolt Tensioner for Wind Power.png

◢ With advantages of light, fast, eﬃcient, and accurate
◢ Small outside diameter with strong force, suitable for use in narrow spaces
◢ Spring automatic recovery, with over-stroke protection, suitable for frequent use
◢ 700-1500 bar working pressure
◢ Can work with ultra-high-pressure electric stretch pump

Model	Bolt Size (M)	A/F (S)	Stretch Force (kN)	Cylinder Area (mm2)	Stroke (mm)	Outside Diameter (mm)	Height (mm)	Pressure (MPa)
HTE-M30-FD14	30*4	46	656	4373	8	82	200	150
HTE-M36-FD1	36*4	55	741	4945	10	82.5	410	150
HTE-M36-FD2	36*4	55	741	4945	8	82.5	360	150
HTE-M36-FD3	36*4	55	741	5766	10	89.15	260	150
HTE-M36-FD4	36*4	55	741	4945	10	82.5	445	150
HTE-M36-FD6	36*4	55	865	5766	10	92	274	150
HTE-M36-FD10	36*4	55	741	4945	10	82.5	480	150
HTE-M36-FD11	36*4	55	741	4945	8	82.5	480	150
HTE-M36-FD13	36*4	55	662	4906	8	92	210	135
HTE-M36-FD17	36*4	55	741	4945	8	82.5	350	150
HTE-M36-FD19	36*4	55	925	6856	10	98	400	135
HTE-M39-FD9	39*4	60	845	5639	10	91	428	150
HTE-M42-FD7	42*4.5	65	965	6434	10	98	300	150
HTE-M45-FD15	45*4.5	70	1149	8513	10	112	279	135
HTE-M48-FD5	48*4.5	75	1277	8517	10	112	300	150
HTE-M52-FD18	52*5	80	2196	16269	12	122	314	135
HTE-M56-FD21	56*5.5	85	1543	11429	12	131	358	135
HTE-M64-FD16	64*6	95	2196	16269	12	148	350	135

2. HTA Series Hydraulic Bolt Tensioner

◢ Suitable for single-size bolt tensioning with high precision
◢ Gravity return, simple structure, easy operation
◢ Compact design, lightweight, high tension force

Model	Bolt Size (M)	Load Capacity (kN)	A (mm)	B (mm)	C (mm)	D (mm)	E (mm)	F (mm)	Stroke (mm)	Weight (kg)
HTA16*	M16	179	62	48	23	21	67	76	10	1.1
HTA18*	M18	202	64	50	21	23	69	78	10	1.3
HTA20*	M20	212	66	55	23	25	71	80	10	1.5
HTA22*	M22	279	72	59	25	27	75	86	10	1.7
HTA24	M24	327	78	66	27	29	77	88	10	2.1
HTA27	M27	388	84	72	30	31	83	93	10	2.5
HTA30	M30	454	90	73	33	34	86	96	10	3
HTA33	M33	612	102	86	36	37	91	103	10	4
HTA36	M36	768	114	84	43	40	98	109	12	5
HTA39	M39	821	120	98	42	43	101	112	12	5.5
HTA42	M42	874	126	105	45	46	104	116	12	6.5
HTA45	M45	957	132	110	48	49	112	124	12	7.5
HTA48	M48	1119	114	125	51	52	116	129	12	9.5
HTA52	M52	1328	156	130	55	56	120	134	12	11
HTA56	M56	1393	162	135	59	60	129	145	12	13
HTA60	M60	1457	168	144	64	64	136	154	12	15
HTA64	M64	1696	180	155	67	61	133	151	12	17
HTA68	M68	1837	192	170	72	72	144	162	12	19.5
HTA72	M72	2226	204	165	76	76	148	166	12	22.5
HTA76	M76	2518	216	172	80	80	156	174	12	25.5
HTA80	M80	2827	228	183	81	81	157	175	12	28.5
HTA85	M85	3254	246	188	90	90	166	189	12	35
HTA90	M90	3604	258	208	95	95	175	198	12	42
HTA95	M95	3973	270	220	100	100	190	218	12	52
HTA100	M100	4476	288	238	105	105	195	223	12	60

3. HTB Series Hydraulic Bolt Tensioner

◢ Wide application for various bolt tensioners
◢ Strong adaptability: one model ﬁts multiple bolt sizes
◢ High precision, fast operation, and safe use

Model	Applicable Bolt (mm)	Load Capacity (kN)	A (mm)	B (mm)	C (mm)	D (mm)	E (mm)	F (mm)	Stroke (mm)	Weight (kg)
HTB1	M20	338	85	55	23	25	74	86	8	3.5
HTB1	M22	338	85	59	25	27	76	88	8	3.5
HTB1	M24	338	85	66	27	29	78	90	8	3.5
HTB2	M24	486	109	66	27	29	90	105	8	5.5
HTB2	M27	486	109	72	30	32	93	108	8	5.5
HTB2	M30	486	109	78	33	35	96	111	8	5.5
HTB2	M33	486	109	85	36	38	99	114	8	5.5
HTB2	M36	486	109	90	39	41	102	117	8	5.5
HTB3	M33	814	133	85	36	44	111	127	8	7
HTB3	M36	814	133	94	39	47	116	130	8	7
HTB3	M39	814	133	98	42	50	119	133	8	7
HTB3	M42	814	133	105	45	53	122	136	8	7
HTB4	M39	989	150	98	41	51	122	135	10	10
HTB4	M42	989	150	105	44	54	125	138	10	10
HTB4	M45	989	150	110	47	57	128	141	10	10
HTB4	M48	989	150	125	50	60	131	144	10	10
HTB5	M52	1413	174	132	53	56	132	145	10	15
HTB5	M56	1413	174	135	59	60	136	149	10	15
HTB6	M56	1649	198	135	59	60	138	154	12	17
HTB6	M60	1649	198	144	63	65	143	159	12	17
HTB6	M64	1649	198	150	67	69	147	163	12	17
HTB6	M68	1649	198	158	71	74	152	168	12	17
HTB7	M72	2131	222	165	75	77	167	185	12	26
HTB7	M76	2131	222	170	79	81	175	193	12	26
HTB8	M76	2544	252	170	79	81	167	197	12	29.5
HTB8	M80	2544	252	175	83	85	172	201	12	29.5
HTB8	M85	2544	252	185	88	90	176	206	12	29.5
HTB8	M90	2544	252	205	93	95	181	211	12	29.5
HTB9	M95	3101	282	215	98	100	189	224	12	38
HTB9	M100	3101	282	235	103	105	194	229	12	38
HTB10	M105	3793	318	240	108	110	203	238	12	49
HTB10	M110	3793	318	250	113	115	208	243	12	49
HTB10	M115	3793	318	260	118	120	213	248	12	49

4. HTS Series Hydraulic Bolt Tensioner

◢ The spring is equipped with over-travel protection, making it suitable for frequent use
◢ Over-travel protection reduces seal damage
◢ High adaptability, applicable to bolt stretchers of various speciﬁcations

Model	Applicable Bolt (mm)	Load Capacity (kN)	A (mm)	B (mm)	C (mm)	D (mm)	E (mm)	F (mm)	Stroke (mm)	Weight (kg)
HTS1A	M20	307	109	55	23	25	111	128	8	3.5
HTS1A	M22	307	109	60	25	27	113	130	8	3.5
HTS1A	M24	307	109	66	27	29	115	132	8	3.5
HTS1A	M27	307	109	72	30	32	118	135	8	3.5
HTS1	M30	486	109	80	33	35	126	144	8	5.5
HTS1	M33	486	109	85	36	38	129	147	8	5.5
HTS1	M36	486	109	90	39	41	132	150	8	5.5
HTS2	M33	814	132	85	36	44	135	150	8	10
HTS2	M36	814	132	96	43	43	134	149	8	10
HTS2	M39	814	132	98	42	50	141	156	8	10
HTS2	M42	814	132	105	45	53	144	159	8	10
HTS3	M39	989	150	110	42	42	136	150	10	15
HTS3	M42	989	150	113	53	56	150	164	10	15
HTS3	M45	989	150	114	50	50	144	161	10	15
HTS3	M48	989	150	118	52	52	146	163	10	15
HTS4	M52	1413	174	132	55	56	154	174	10	20
HTS4	M56	1413	174	135	59	60	158	175	10	20
HTS5	M56	1649	198	135	59	60	161	179	12	25
HTS5	M60	1649	198	143	64	64	165	183	12	25
HTS5	M64	1649	198	150	68	68	169	187	12	25
HTS5	M68	1649	198	158	72	72	173	191	12	25
HTS6	M72	2131	222	165	76	76	184	207	12	30
HTS6	M76	2131	222	170	80	80	188	211	12	30
HTS7	M76	2544	252	170	80	80	194	221	12	35
HTS7	M80	2544	252	175	85	85	199	226	12	35
HTS7	M85	2544	252	190	76	85	199	226	12	35
HTS7	M90	2544	252	205	95	95	209	236	12	35
HTS8	M95	3101	282	215	100	100	214	243	12	50
HTS8	M100	3101	282	235	105	105	219	248	12	50
HTS9	M105	3792	318	240	110	110	224	254	12	80
HTS9	M110	3792	318	235	115	120	234	264	12	80
HTS9	M115	3792	318	260	120	120	234	264	12	80
HTS10	M115	4900	360	260	120	120	261	297	12	120
HTS10	M120	4900	360	270	125	125	266	302	12	120
HTS10	M125	4900	360	286	140	130	271	307	12	120
HTS11	M130	6255	408	285	135	135	276	312	12	135
HTS11	M135	6255	408	292	140	140	281	317	12	135
HTS11	M140	6255	408	300	145	145	286	322	12	135
HTS11	M145	6255	408	312	165	155	296	332	12	135
HTS12	M145	8423	456	312	150	150	301	337	12	150
HTS12	M150	8423	456	320	155	155	306	342	12	150
HTS12	M160	8423	456	340	160	165	316	352	12	150

5. HN Series Hydraulic Nuts for Bolt Tensioners

◢ Torque-free design eliminates friction and bolt distortion, applying pure axial tension to bolts
◢ Equipped with a stroke indicator for monitoring, measuring, and controlling stroke during operation
◢ Ideal for narrow spaces and heavy-duty vibrating machinery; supports simultaneous multi-bolt assembly
◢ Accurate preload setting with precision up to ±3%

Model	Bolt Size (M)	Output Force (kN)	Outside Dia. (mm)	Height (mm)	Stroke (mm)
HN-022	M22	198	62	53	6
HN-024	M24	212	65	55	6
HN-027	M27	254	72	58	6
HN-030	M30	259	75	61	6
HN-033	M33	338	83	64	6
HN-036	M36	368	88	67	6
HN-039	M39	397	94	70	6
HN-042	M42	427	100	73	6
HN-045	M45	486	106	77	6
HN-048	M48	600	118	80	6
HN-052	M52	636	123	84	8
HN-056	M56	804	135	88	8
HN-060	M60	989	147	92	8
HN-064	M64	1036	153	94	8
HN-068	M68	1083	159	98	8
HN-072	M72	1298	170	104	10
HN-076	M76	1351	176	108	10
HN-080	M80	1590	194	112	10
HN-085	M85	1708	200	117	10
HN-090	M90	1976	212	122	10
HN-095	M95	2261	223	127	10
HN-100	M100	2450	236	135	15

The Hydraulic Bolt Tensioner Series is designed for precise and reliable bolt tightening in critical bolted joint applications. Widely used in wind power, oil & gas, petrochemical, power generation, offshore engineering, and heavy industrial maintenance, these tools deliver accurate and uniform bolt preload without introducing torsional stress to the fastener.

From wind turbine foundation bolts and tower flange connections to pressure vessels, heat exchangers, steam turbines, and pipeline flange assemblies, hydraulic bolt tensioners help improve joint integrity, reduce maintenance time, and enhance operational safety. Their high accuracy and repeatable performance make them an ideal solution for applications where bolt load consistency is critical to equipment reliability and long-term performance.

Hydraulic Bolt Tensioner Worksite.png