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Worm Gear Box

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Moo Type Worm Gear
  • Packaging: PLYWOOD CASE
  • Supply Ability: Better
  • Place of Origin: Hebei Province China
  • Productivity: 400,000
  • Transportation: Ocean,Land,Air
Moo Type Worm Gear Notes to users All series of gear operator have round hole, square hole and other special shaped hole for users' selection and can be machined as customers' special requirements. When choose this series of product ,please pay...
Expert Manufacturer of Worm Gear Box
Worm Gear Box
  • Packaging: PLYWOOD CASE
  • Supply Ability: Better
  • Place of Origin: Hebei Province China
  • Productivity: 400,000
  • Transportation: Ocean,Land,Air
Usage Suitable to be connected with butterfly valve, ball valve and plug valve. Features The device are equipped with limit screws which can be adjusted within ±5°at position in open and close. The worm /gear is designed with self locking function...
China Manufacturer of Aluminum Alloy Worm Gear Box
China Worm Gear Box Suppliers

Worm Gear Box

Usage

Suitable to be connected with Butterfly Valve, Ball Valve and plug valve.

Features

The device are equipped with limit screws which can be adjusted within ±5°at position in open and close.

The worm /gear is designed with self locking function and easy to operate.

Indicator board of open degree is directly installed on output worm gear ,so indication is accurate and audio-visual.

There are two keyways apart with 90°degree set on the inner hole of worm gear for need.

The dedicated grease has been loaded before leaving factory, the shell is sealed up for waterproof Class Ip65.

Notes to users

All series of gear operator have round hole, square hole and other special shaped hole for users' selection and can be machined as customers' special requirements.

When choose this series of product ,please pay attention to keep coupling dimension in according with the corresponding dimension of valve. If any special requirement ,point out in the order please.

When installation ,please turn the indicator board of this device and the valve to be the Close position in order to keep them harmonized.

Valve CLOSE when turn hand wheel clockwise and OPEN when turn hand wheel counter clockwise as usually custom.

Installing procedure

First check whether the inner hole of worm gear, the keyway and the flange of the housing in according with the stem, key and the mounting flange plate of the valve body.

Install the device on the valve after check correctly.

The needle of the indicator can point the position of the operator in the CLOSE and OPEN by rotating the hand wheel and adjust the limit stop screw.

Maintenance

Do not operate the device at the exceed rating condition.

A periodic check ,every year should be made to determine condition of the lubricant.

Specifications

Quarter turn with worm-gear drive
Alternative ways of operation: Hand wheel/handle/electricity
Reasonable design makes it lightweight and with a strong output torque
Above ground service and buried service is available
Multiple bore/keyway design for different connection purposes
Suitable for plug valves, Butterfly Valves and ball valves

Material:
Body/cover/hand wheel: ASTM A126 gray iron
Worm gear: ASTM A536 ductile iron
ASTM A536 ductile iron with bronze segment (optional)
Worm: SAE 1045 carbon steel normalized
Worm stem: SAE 1045 carbon steel with zinc or nickel-plated stainless steel (optional)

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