Standard hydraulic bolt tensioners Blackiron BHT - Italia

Standard hydraulic bolt tensioners Blackiron BHT – Italia

SKU: BHT
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Blackiron’s BHT series offers versatile hydraulic bolt tensioners for M20 to M130 bolts, featuring gravity return, end stroke indicators, and customizable options for specialized industrial applications.

Description

Blackiron BHT series of standard hydraulic bolt tensioners, originating from Italy, represents a pinnacle in hydraulic tensioning technology. These tensioners are specifically designed for a wide range of bolt sizes, accommodating bolts from M20 to M130 and from 3/4″ to 5″, making them incredibly versatile for various industrial applications.

Key features of the Blackiron BHT series include:

  1. Gravity Return Mechanism: This feature ensures the ease of piston retraction after tensioning, enhancing the efficiency of the operation.
  2. End Stroke Indicator: This safety feature provides a clear indication when the piston has reached its maximum extension, preventing over-extension and potential damage.
  3. Guided Piston: The piston in these tensioners is guided, which ensures precise and stable movement. This design contributes significantly to the overall reliability and extends the lifespan of the tensioner.
  4. Conversion Kit: The tensioners come with a comprehensive conversion kit that includes a Puller, Bridge, Tommy bar, and NRS (Nut Rotating Socket). This kit ensures that users have all the necessary tools for a wide range of tensioning tasks.
  5. Customization: A notable aspect of the BHT series is its adaptability. While designed for a standard 1500 bar hydraulic bolt tensioning, the dimensions of these tensioners can be customized upon request, offering solutions tailored to specific needs.
  6. Special Executions: Blackiron also provides special executions for the 1500 bar hydraulic bolt tensioners. These special models are designed to cater to unique requirements that standard tensioners might not meet.
  7. Design for Heavy Nuts: The company specializes in designing special bridges for heavy nuts, underscoring their commitment to providing solutions for even the most challenging applications.
  8. Flexible Design: Understanding the dynamic nature of industrial requirements, Blackiron has made all dimensions subject to change without prior notification. This flexibility ensures that their products are always at the forefront of technology and meet the evolving demands of the industry.
  9. Special Orders: For unique requirements, Blackiron offers specially designed hydraulic bolt tensioners with a 1500 bar rating upon demand. This service underscores their capability to provide bespoke solutions for specific industrial challenges.

Blackiron BHT series of hydraulic bolt tensioners is a comprehensive solution for industrial bolting applications. With its combination of versatility, safety features, customization options, and a commitment to quality and innovation, it stands as a prime choice for professionals seeking reliable and efficient tensioning tools.

Load cell
(2)
 Bolt load
kN		 Hyd. Area
mm2		 Stroke
mm		 Ext diameter
mm		 Tot height
mm
BLC1 237,50 1583,4 10 75 48
BLC2 456,50 3043,4 15 105 57
BLC3 829 5525 15 135 56
BLC4 1273 8490 15 165 61,5
BLC5 1829 12196 15 195 61,5
BLC6 2644 17627 15 235 65,5
BLC7 4115 27436 15 285 71,5
BLC8 5106 34042 15 325 81,5

Conversion kit composed of (1,3,4,5)

(1).Puller (2).Load cell (3).Bridge (4).Nut rotating socket (5).Tommy bar

Hydraulic load cell BLC1

Bolt size Imperial Bolt size Metric B mm C mm D mm E mm F mm G mm H mm Weight kg
3/4″-10UNC BCK1-034 M20x2,5 BCK1-M20 21 74 62 44,5 18 92 49,5 67 2,5
7/8″-9UNC BCK1-078 M22x2,5 BCK1-M22 24 74 63 44,5 18 92 53,0 64 2,5
1″-8UN BCK1-100 M24x3 BCK1-M24 24 81 69 44,5 18 99 58,5 69 2,5
1 1/8″-8UN BCK1-118 M27x3 BCK1-M27 24 82 74 44,5 18 100 63,5 66 2,5
Standard hydraulic bolt tensioners Blackiron BHT Standard hydraulic bolt tensioners Blackiron BHT

Hydraulic load cell BLC2

Bolt size Imperial Bolt size Metric B mm C mm D mm E mm F mm G mm H mm Weight kg
1 1/8″-8UN BCK2-118 M27x3 BCK2-M27 27,0 95,0 82,0 61,0 24,0 119,0 67,5 85,5 5,5
M30X3,5 BCK2-M30 32,0 96,0 85,0 64,0 24,0 120,0 69,0 85,0 5,6
1 1/4″-8UN BCK2-114 M33X3,5 BCK2-M33 31,0 99,0 85,0 68,0 24,0 123,0 72,0 83,0 5,6
1 3/8″-8UN BCK2-138 M36X4 BCK2-M36 34,0 102,0 91,0 74,0 24,0 126,0 78,0 82,0 5,5
1 1/2″-8UN BCK2-112 M39X4 BCK2-M39 36,5 105,0 93,2 80,0 24,0 129,0 80,0 81,0 5,6

Hydraulic load cell BLC3

Bolt size Imperial Bolt size Metric B mm C mm D mm E mm F mm G mm H mm Weight kg
1 1/2″-8UN BCK3-112 M39X4 BCK3-M39 36,5 109 101 80 24 140 83,5 98 10,2
1 5/8″-8UN BCK3-158 M42X4,5 BCK3-M42 37,5 107 110 85 30 138 92,5 93 9,7
1 3/4″-8UN BCK3-134 M45X4,5 BCK3-M45 40,5 116 115 91 30 147 98 98,5 10
1 7/8″-8UN BCK3-178 M48X5 BCK3-M48 42,5 116 117,5 97 30 147 101 95 9,6
2″-8UN BCK3-200 M52X5 BCK3-M52 50 117 120 101 30 148 106 93,5 9,5

Hydraulic load cell BLC4

Bolt size Imperial Bolt size Metric B mm C mm D mm E mm F mm G mm H mm Weight kg
1 7/8″-8UN BCK4-178 M48X5 BCK4-M48 43,5 122,5 130 97 30 161 108 107,5 17,2
2″-8UN BCK4-200 M52X5 BCK4-M52 46 122,5 125,7 101 30 161 108 102,5 16,9
2 1/4″-8UN BCK4-214 M56X5,5 BCK4-M56 55 127,5 134,7 113 36 166 118,5 104,5 17,2
M60X5,5 BCK4-M60 54 131,5 150 117 36 170 127 123 17,7
2 1/2″-8UN BCK4-212 M64X6 BCK4-M64 58 134,5 148,6 124 36 173 130,5 103,5 16,7

Hydraulic load cell BLC5

Bolt size Imperial Bolt size Metric B mm C mm D mm E mm F mm G mm H mm Weight kg
2 1/2″-8UN BCK5-212 M64X6 BCK5-M64 64,0 134,5 148,6 124,0 36,0 175,0 130,5 109,5 24,3
M68X6 BCK5-M68 80,0 141,5 160,0 127,0 36,0 182,0 138,0 112,5 24,8
2 3/4″-8UN BCK5-234 M72X6 BCK5-M72 72,0 148,5 162,6 135,0 36,0 189,0 143,0 114,5 26,0
3″-8UN BCK5-300 M76X6 BCK5-M76 77,0 147,5 171,1 147,0 42,0 188,0 153,0 109,5 23,5

Hydraulic load cell BLC6

Bolt size Imperial Bolt size Metric B mm C mm D mm E mm F mm G mm H mm Weight kg
3″-8UN BCK6-300 M76X6 BCK6-M76 77,0 154,5 171,7 147,0 42,0 201,0 153,0 121,5 39,7
M80X6 BCK6-M80 78,0 155,5 180,2 146,0 42,0 202,0 155,5 118,5 39,2
3 1/4″-8UN BCK6-314 M85X6 BCK6-M85 78,0 159,5 183,6 160,0 42,0 206,0 165,5 113,5 39,8
3 1/2″-8UN BCK6-312 M90X6 BCK6-M90 86,0 164,5 192,9 169,0 42,0 211,0 174,5 114,5 38,3
3 3/4″-8UN BCK6-334 M95X6 BCK6-M95 99,0 169,5 212,6 180,0 42,0 216,0 189,5 117,5 39,1
4″-8UN BCK6-400 M100X6 BCK6-M100 105,0 175,5 221,9 191,0 48,0 222,0 200,0 117,5 39

Hydraulic load cell BLC7

Bolt size Imperial Bolt size Metric B mm C mm D mm E mm F mm G mm H mm Weight kg
4″-8UN BCK7-400 M100X6 BCK7-M100 114,0 186,5 210,0 191,0 48,0 250,0 228,0 147,5 69,4
M105x6 BCK7-M105 114,0 191,5 210,0 185,0 48,0 255,0 230,0 146,5 70,6
4 1/4″-8UN BCK7-414 M110x6 BCK7-M110 117,0 196,5 210,0 185,0 48,0 260,0 233,0 147,5 70,6
4 1/2″-8UN BCK7-412 M115x6 BCK7-M115 120,0 201,5 224,0 197,0 48,0 265,0 239,0 147,5 69,6

Hydraulic load cell BLC8

Bolt size Imperial Bolt size Metric B mm C mm D mm E mm F mm G mm H mm Weight kg
4 1/2″-8UN BCK8-412 M115x6 BCK8-M115 152,5 216,5 305 220 55 280 259 162,5 108,6
4 3/4″-8UN BCK8-434 M120x6 BCK8-M120 152,5 216,5 305 230 55 280 262 157,5 105,1
M125x6 BCK8-M125 152,5 221,5 305 230 55 285 268 157,5 102,2
5″-8UN BCK8-500 M130x6 BCK8-M130 152,5 226,5 305 230 55 290 271 157,5 101,3
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