Aluminium Alloy Declutchable Gearbox

Aluminium Alloy Declutchable Gearbox

Aluminium Alloy Declutchable Gearbox

Short Description:

This series consists of eight models with the speed ratio varying from 26:1 to 54:1 and the toque ranging from 300NM to 1200NM. The torque difference between every two adjacent models is small, helping to save a lot of costs for customers when selecting a specific product.

The Declutch Gearbox is specially designed for butterfly valve, ball valve & plug valve together with pneumatic actuator.

This device allows manual operation during installing, system testing if when air resource is not loaded.

It can mounted directly on most of the popular rack & pinion style pneumatic actuators in the market.


Product Detail

Product Tags

Instructions for Installation and Operation

Connect the bottom side of the reducer to the valve and the bracket face to the cylinder. Then slide the valve shaft into the inner hole on the cylinder until the valve shaft end is well matched with the square hole of the cylinder on all four sides.

A tooth collision may occur when rotating the lever (by 180° outwards) to engage the worm. In such case, you need to turn the hand-wheel to a certain angle so that they can become engaged with each other.Actuating the device through pneumatic and manual means simultaneously is not allowed.

Product Features

▪ Aluminum die-cast alloy
▪ Full stamped hand-wheel (200-350)
▪ IP65 grade protection
▪ Nickel-plated input shaft, with more resistance to corrosion
▪ Ductile iron worm gear
▪ NBR sealing material
▪ Suitable for -20℃ ~ 120℃ working conditions

Customization

▪ IP68 grade protection
▪ Aluminum-bronze worm gear
▪ Stainless steel input shaft
▪ For high temperature up to 320℃
▪ For low temperature down to -40℃
▪ For marine use

Main Components List

Part name

Material

Small cap

YL113

Housing

YL113

Worm gear

QT500-7/ Bronze

Bracket cap

YL113

Hand wheel

Carbon structural steel

Main Technical Parameter

Model

ratio

Rating input(Nm)

Rating output(Nm)

Efficiency(%)

Hand-wheel

SLJ26

26:1

50

300

23

Φ200

SLJ38

38:1

65

550

23

Φ200

70

620

Φ250

80

700

Φ300

SLJ54

54:1

75

1000

25

Φ250

90

1200

Φ300


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