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Water Plants Handwheel Gear Operator Gearbox Nodular Corrosion Resistance

Categories Handwheel Gear Operator
Brand Name: Stard-gears
Model Number: SJ
Certification: IP68
Place of Origin: China
MOQ: 1
Price: Negotiable
Payment Terms: D/P, T/T
Supply Ability: 2000 Pcs-6 weeks
Delivery Time: 20~30 work days
Packaging Details: Cartons or wooden cases
Material: cast iron or ductile iron
Protection class: IP67~IP68
Working temperature: Normal Temperature,Low Temperature,Medium Temperature,-20~120℃
Application: General,Oil,Gas,Water,Valves for Solid/Liquid and Gas
Body material: Carbon Steel,DI,Cast iron,Stainless Steel,Casting iron
Color: Blue,gray,Black
corrosion stability: Nickel-plated input shaft, with more resistance to corrosion
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Water Plants Handwheel Gear Operator Gearbox Nodular Corrosion Resistance

Water Plants Handwheel Gear Operator Gearbox Nodular Corrosion Resistance


SJ series partial-turn gear operators

SJ series partial-turn gear operators are widely used in water plants, chemical plants, and power plants and for general industrial applications. SJ single-stage models have a speed ratio varying from 24:1 to 80:1 and torque ranging from 170NM to 2500NM.


Instructions for Installation and Operation

Connect the bottom flange of the gear operator to the upper flange of the valve and slide the valve shaft into the hole on the worm gear. Tighten the flange bolt. The valve can be closed by turning the hand-wheel clockwise and opened by turning the hand-wheel counterclockwise. On the upper face of the gear operator, a position indicator and a position marking are mounted, through which the position of switch can be directly observed. The gear operator is also equipped with a mechanical limit screw, which can be adjusted and function to limit the position at the switch extreme position.


Product Features

Gray iron casing
Welded hand-wheel (200 or above)
IP67 grade protection
Nickel-plated input shaft, with more resistance to corrosion
Ductile iron worm gear
NBR sealing materials
Suitable for -20℃ ~ 120℃ working conditions

Customization

WCB, LCB, or ductile iron casing
IP68 grade protection
Cast hand-wheel (150~450)
Aluminum-bronze worm gear
Stainless steel input shaft
For high temperature up to 320℃
For low temperature down to -40℃
For marine use
Designed with a lock mechanism


Main Components List


Part nameMaterial
Hand wheelHT250/ GB9439-88
Worm shaft45GB/T699-1999
HousingHT250/ GB9439-88
Baffle ringJDB-3
Worm45GB/T699-1999
Worm gearQT500-7/GB1348-88
CoverHT250/GB9439-88
IndieatorQ235A GB/T700-2006

Main Technical Parameter

ModelSJ24SJ30SJ50SJ80
Gear ratio24:130:150:180:1
Maximum travel90°90°90°90°
Limit adjust±5°±5°±5°±5°
Rating input(Nm)3048909595
Rating output(Nm)17027070012002000
Efficiency232625

26


SJ Series Valve Gearboxes,Single-stage
This partial-turn valve gearbox series with cast iron housing is widely used in and for fire protection, water and electric utilities, chemical plants and general industrial-purposes.
- Varying from 24:1 to 80:1 in terms of gear ratio and from 170NM to 2500NM in terms of torque.
- Have IP65, IP67, and IP68 protection levels for option.
- HTQTcorrosion-resistant, for marine application, and 180° rotation (optional).


Major Clients: CRANE


Cheap Water Plants Handwheel Gear Operator Gearbox Nodular  Corrosion Resistance for sale
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