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Tsubaki’s new BS-F Series backstops are designed for simple, drop-in installation to all major competitive external, low-speed backstop products. These backstops use a unique labyrinth seal design for maximum life with minimal maintenance. With Tsubaki’s innovative design features, our backstops ensure efficient and dependable operation in the harshest environments.

TYPICAL APPLICATIONS
  • Mining (Coal, Copper, Potash) - used in inclined conveyors and bucket elevators for transporting raw materials.
  • Power Generating Plants - used in inclined conveyors to transfer coal from the stockpile to the boiler rooms.
  • Cement Plants - used in bucket elevators and inclined conveyors for moving limestone and clay to crushers and silos.

COMMON INDUSTRIES
MINING
POWER GENERATING PLANTS
CEMENT
PORTS

INNOVATIVE FEATURES:
NON-ROLLOVER CAM
  • Provides higher torque ratings than the leading competitors due to the larger profile and greater contact area.
  • Improves performance and prevents costly and potentially dangerous rollover.



SPECIAL LABYRINTH SEAL
  • New seal design prevents the ingress of dust and other contaminants typically found in mining and cement plants, which extends the life of the lubricant.
  • Minimizes heat generation and provides trouble-free service with minimal scheduled maintenance.



Superior Performance in the Harshest Environments

GREASE LUBRICATION
  • Offers synthetic grease lubrication in a sealed backstop design.
  • Breather element is eliminated.
  • No need to monitor oil levels, refill the backstop or worry about moisture in the lubricant.
  • Provides trouble-free performance with minimized maintenance requirements.



DROP IN DESIGN
  • Tsubaki offers the narrowest backstop with an I-beam torque arm.
  • Quick and easy field replacement. Drop in compatible with most competitive products.



3 STEP
EASY CONNECTION
Step 1: Insert I-beam torque arm into clutch
Step 2: Insert lock pins through flange plate and secure torque arm
Step 3: Insert retaining pins into lock pins
Unidade de medida

Especificações

Intervalo de orifício – máx.

N/A 3.740 pol.95.00 mm

Intervalo de orifício – mín.

N/A 2.750 pol.70.00 mm

Capacidade de torque

N/A 6590 lb·pé8940 N·m

Velocidade máxima de avanço do anel interno

N/A 300 rpm

Torque de arrasto

N/A 7.370 lb·pé10.00 N·m

A – Largura do contrarrecuo

N/A 4.210 pol.107.00 mm

B – Comprimento total

N/A 9.060 pol.230.00 mm

C – Largura interna

N/A 4.410 pol.112.00 mm

D – Linha central do contrarrecuo até a borda do flange

N/A 6.340 pol.161.00 mm

E – Diâmetro interno do escareamento

N/A 4.720 pol.120.00 mm

F – Largura total do anel interno

N/A 4.720 pol.120.00 mm

G – Profundidade do escareamento

N/A 0.160 pol.4.00 mm

H – Largura total do contrarrecuo

N/A 5.000 pol.127.00 mm

J – Distância da linha central do contrarrecuo à borda da viga I

N/A 35.980 pol.914.00 mm

K – Altura do braço de torque

N/A 4.020 pol.102.00 mm

L – Largura do braço de torque

N/A 2.800 pol.71.00 mm

Quantidade de graxa

N/A 0.170 lb0.075 kg

Peso – com braço de torque – orifício mínimo

N/A 114.400 lb52.000 kg

Peso – com braço de torque – orifício máximo

N/A 105.600 lb48.000 kg

Peso – sem braço de torque – orifício mínimo

N/A 81.400 lb37.000 kg

Peso – sem braço de torque – máx. Orifício

N/A 74.800 lb34.000 kg