Nut Style Multi-Jackbolt Tensioners
Nut style Multi-Jackbolt Tensioners from Superbolt® are an innovative bolting product that will eliminate expensive and dangerous tooling. Only hand/air tools are required to install or remove any size Torquenut™.
Below are a few of the series available - you can reach others using the navigation to the right. The information below is a guideline to help you choose the appropriate product for your application. When you contact us for a quote or to order, we will verify that the correct product is being purchased for your application.
H650 Torquenuts™
Oper. Temp: -50ºF to 650 ºF
Body Material: ASTM-A193-B7
Description: H650 tensioners are used for medium temperature, pressure vessel applications on A193-B7 bolts and studs. Material certification provided upon request. Preload and torque values are based on 45,000 psi bolt stress, the value most commonly used by pressure vessel designers. Depending on operating temperature, jackbolt torque and preload may be increased. Used with graphite Lubricant.
H650X Torquenuts™
Oper. Temp: -50ºF to 650 ºF
Body Material: ASTM-A193-B7
Description:
- Fewer jackbolts
- Bigger jackbolts
- Moly lubricant to reduce torque
Application Examples: Boiler feed pumps, boiler circulating pumps, reactors, heat exchangers, etc.
H650T Torquenuts™
Oper. Temp: -50ºF to 650 ºF
Body Material: ASTM-A193-B7
Description: H650T torquenuts™ replace “acorn” and “castle” nuts and are intended for use where space is limited. They are lubricated with JL-G graphite lubricant.
Series Available
Standard Series:
- MT - Standard Tensioners
- CY - High Strength
- MTSX - Extra High Strength
- SJX - Jamnuts
- SMX - Mill Motor Nuts
- NI - Bearing Locknuts
- MTA - Armored
- CN - Crosshead Jamnut
- SP - Piston End Nut
- SX8 - Flexnuts
- SX12 - High Strength Flexnuts
Medium Temp. ( -50ºF to 650ºF ):
High Temp. ( 650ºF to 1200ºF ):