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12 inch Top entry ball valve

Model / Specifications:SQ41 SQ47

Standard or Nonstandard:Standard

Structure:Ball

Pressure:Class 150~Class 2500

Power:Worm Gear Pneumatic Hydraulic Pneumat...

Details: Top Entry Ball Valves Size: 1"~48"Pressure Rating: Class150~Class2500Material: WCB,WC6,A105,LF2,LCB,LCC, F304,SS316,Duplex stainess ste...

Wenzhou Kesai Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Wafer Soft Middle-line Soft Seal Butterfly Valve

Model / Specifications:D71X

Standard or Nonstandard:Standard

Structure:Butterfly

Pressure:Low Pressure

Power:Worm gear drive electric pneumatic hy...

Details: valve90 ° rotary switch easily, sealing reliability, long life, is widely used in waterworks, power plants, steel mills, paper making, chemica...

Beijing High & Medium Pressure Valves Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Flanged Butterfly Valve

Model / Specifications:api6d stainless steel butterfly v...

Standard or Nonstandard:Standard

Structure:Butterfly

Pressure:DN40~1000

Power:worm gear pnuematic hydraulic hydraul...

Details: Stainless Steel Flanged Butterfly Valve Size2"-40" PressureClass150LB/300LBMaterialWCB, WCC, WC6, WC9, C5, C12, CF8, CF8M, CF...

Sino-Global Beijing Import And Export Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Q41F worm gear manual flanged floating ball valve

Model / Specifications:Q41F-16C

Standard or Nonstandard:Standard

Structure:Ball

Pressure:Medium Pressure

Power:worm gearhydraulic

Details: Float ball valve, worm gear ball valve, Body WCB A216-WCB,CF8,CF8M Nominal diameter:15-800mm Pressure:PN16~PN40...

Yuming Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Jacket Gate Valve Competitive Quality & professional - all types

Price Range:US $10 / Piece

Standard or Nonstandard:Standard

Structure:Gate

Pressure:Medium Pressure

Power:hydraulic pneumatic worm gear manual

Details: Jacket Gate Valve 1). standard:GB. 2). size: DN40-DN300. 3). pressure: 1.6MPa-4.0MPa....Place of Origin: CN;ZHE

Zhengmao Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Worm Gear Hydraulic Winch

Model / Specifications:HCW series

Standard or Nonstandard:Standard

Structure:General Cylinder

Power:Hydraulic

Body Material:Steel

Details: Features:1.compact structure 2.small volume 3.lihgt weight 4.big pullIntroductionHCW series recovery hydraulic winch is used for auto self-rescuin...

Ningbo KingBonny Hydraulics Transmission Co.,Ltd

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Neoflon Sealing Butterfly Valve

Model / Specifications:D371F/D971F--10/16

Standard or Nonstandard:Non-standard

Structure:Butterfly

Pressure:Low Pressure

Power:Manual Pneumatic Hydraulic Worm gear ...

Details: 1.DN 50--600 mm 2.PN 1.0 MPa 3.ISO9000 Certificate 4.National patent...Place of Origin: CN;LIA

Yingkou Zhongtong Control Equipment Manufacture Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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TK Series Worm Gear Speed Reducer (hydraulic)

Model / Specifications:TKB60

Brand Name:GONG JI

Gearing Arrangement:Worm

Details: Cast Iron Housing Worm Gear Speed Reducer (hydraulic) (motor) 1.Rigid housing 2.Compact structure 3.Low noise...Place of Origin: TW

TAIWAN GONG JI CHANG CO LTD

Business Type:Manufacturers

Free Member

TaiwanTaiwan

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Cast Steel Trunnion Mounted Ball Valve Gear Operated

Standard or Nonstandard:Standard

Structure:Ball

Pressure:Class150-2500

Power:ManualWorm GearElectricHydraulicPneu...

Details: Cast Steel Trunnion Mounted Ball Valve Gear Operated 1.Size:2"-36" 2.Pressure:Class150-2500 3.Standard:API 6D/API 608...

Xiamen Chn-Meida Import and Export Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Cast Steel Lug Tyep Knife Type Gate Valve

Standard or Nonstandard:Standard

Structure:Gate

Pressure:Class150/300

Power:Manual

Details: Cast Steel Lug Tyep Knife Type Gate Valve1. Actuator:handwheel,worm gear,electric,hydraulic,pneumatic2. Pressure:Class150,Class300.3. Size:2"...

Xiamen Chn-Meida Import & Export Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Top entry ball valve

Model / Specifications:SQ41 SQ47

Standard or Nonstandard:Standard

Structure:Ball

Pressure:medium and high pressure

Power:Worm Gear Pneumatic Hydraulic Pneumat...

Details: Top Entry Ball Valves Size: 1"-48" Pressure Rating: Class150~Class2500 Material: Carbon steel Stainless steel Duples stain...Place of...

Yongjia Chaoyang Valve Factory

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Cast Iron Ball Valve

Model / Specifications:Q41F-600

Standard or Nonstandard:Standard

Structure:Ball

Pressure:Medium Pressure

Power:worm gearhandwheelhydraulicelectric e...

Details: Cast Iron Ball Valve Reasonable structure ball valve Reliable seal ball valve Good performance ball valve API,CE,ISO9001...

Zhejiang Aolong Valve Manufacturing Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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butterfly valves

Standard or Nonstandard:Standard

Structure:Butterfly

Pressure:High Pressure

Power:Manual Worm Gear PneumaticHydraulic Electric

Details: All kinds of butterfly valve,Design and face to face API609,double or triple eccentric type, metal to metal seat type....

Zhejiang Petrochemical Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Lug Type Butterfly Valves

Model / Specifications:MWPV021

Price Range:US $65 - 99

Standard or Nonstandard:Standard

Structure:Butterfly

Pressure:Medium Pressure

Details: Lug Type Butterfly Valves has operation of level, worm gear, and hydraulic. The medium could be air, water, oil, sewage, steam...

Chongqing Lange Machinery Import & Export Co. Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Butt Welding Butterfly Valve

Standard or Nonstandard:Standard

Structure:Butterfly

Pressure:Medium Pressure

Power:Worm gear pnematic hydraulicelectric

Details: Butt Welding Butterfly Valve 1)CE/PED, ISO9001, TS certificated 2) Butt Welding...

Zhejiang Kezheng Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

paper cutting machinepaper cutting machine, paper cutting, paper cutter, cutting machine, guillotine, cutting machinery

Model / Specifications:SQZK137G-A20

Details: Features:1.Clamp press paper stack through hydraulic system and spring reposition2.Worm gear drive mechanism, hydraulic clutch and mechanical brak...

Zhejiang Huayue Packing Machinery Co. Ltd

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Worm wheels gear for hydraulic presses

Model / Specifications:to custom design

Shape:Worm

Brand Name:Yuhang

Material:Zinc cast alloy ZA27 ZA303

Standard or Nonstandard:Nonstandard

Details: 1) made of Zinc cast alloy ZA27 or ZA303 2) most applicable for large hydraulic presses. 3) low price, long service life...Shape: Worm

Shenyang Aerospace Metals Research Institute

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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A20 Program Control Series Paper Cutting Machine

Model / Specifications:SQZK115GA20

Details: Clamp press paper stack through hydraulic system, the spring re-position; Worm gear drive mechanism, hydraulic clutch, mechanical brake; Hydraul...

Zhejiang Huayue Packing Machinery Co.,Ltd

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Double Flange Butterfly Valve

Standard or Nonstandard:Standard

Structure:Butterfly

Pressure:PN10/16

Power:worm gear pnuematic hydraulic hydraul...

Details: 1.Normal diameter:DN40~1000 2.Nominal pressure:PN10/16 3.Working temperature:-15`150 4.Medium: oil, gas and water,etc....Place of Origin: CN;BEI

Sino Global Beijing Import And Export Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

worm glass drive

Brand Name:TITANHORSE

Details: Quick DetailsPlace of Origin: Beijing China (Mainland)Brand Name: TITANHORSEType: slew driveType: Worm gear driven typeMotor: Hydraulic motorColor...

Beijing Titanhorse Industry & Trading Co,. LTD

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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manual butterfly valve

Model / Specifications:XN-004

Standard or Nonstandard:Standard

Structure:Butterfly

Pressure:Low Pressure

Power:Worm gearelectricpneumatichydraulic

Details: butterfly valveWafer metal seal butterfly valve Product features:The sealing face is worn resistant ,can have a long usageThe valve have a two-way...

Shanghai Xiangnuo Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Cast iron butterfly valve PN16

Model / Specifications:DF-01

Standard or Nonstandard:Standard

Structure:Butterfly

Pressure:Medium Pressure

Power:Manual

Details: 1.The asterisks identify the dimension of the valves of different pressure grade PN10/16.The flange butterfly valves accommodate all types of oper...

Laizhou Dongsheng Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Cast iron wafer centerline butterfly valves without pin have ears

Model / Specifications:DF-01

Standard or Nonstandard:Standard

Structure:Butterfly

Pressure:Low Pressure

Power:Manual

Details: Flanges of the butterfly valves Size:Inch 2"~12" PN10/16 types of operations;manual,worm&gear,electric,hydraulic good quality...Plac...

Laizhou Dongsheng Valves Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Metal seated butterfly valve

Standard or Nonstandard:Standard

Structure:Butterfly

Pressure:Medium Pressure

Power:Pneumatic

Details: 1-size: DN50 to DN 1200 2-Operation: worm gear, electric, pneumatic, hydraulic actuator, etc....

Botop High-Tech Development Co., Ltd. (Beijing)

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Flanged Butterfly Valve

Model / Specifications:Flanged Butterfly Valve

Details: Tripple eccentric butterfly valve Size:2"-42" Pressure:150lb--900lb.Upon client's request. Material:Cast iron, carbon steel,stainless steel,...

Zhejiang Guanlong Valve Machinery Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Steam Trap Valve

Standard or Nonstandard:Standard

Structure:

Pressure:Medium Pressure

Power:H.W Worm-gear Electric Pneumatic and ...

Details: Steam trap is apply to various kinds of working conditions pipelineSuch as petroleum, chemical industry, pharmacy,fertilizer,and power industry et...

Zhejiang Newton Fluid Control Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

sun solar slew drive & worm gear

Details: sun solar slew drive & worm gearTITANHORSE Slew drive mainly consists of a slewing bearing, a worm gear or spur gear, housing and a hydraulic ...

Beijing Titanhorse Industry & Trading Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Worm Gear

Shape:Worm

Details: Worm Gear: Sealing equipment made with special compound metal of minimizing water leakage of Hydraulic, thermal power and Nuclea...Shape: Worm

DONGWOO NONFERROUS METAL CO., LTD.

Business Type:Manufacturers

Free Member

KoreaKorea

Inquiry

"Class 600"flanged connection cast steel trunnion for oil products

Details: - Type:Butt-weld connection cast steel ball valve- Processing: Long delivery pipes of natural gas - Method: Handle operation ,Worm gear operation...

Shanghai High & Medium Pressure Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Electric and Hydraulic Knife Gate Valve worm gear operated

Model / Specifications:Z

Standard or Nonstandard:Standard

Structure:Gate

Pressure:Medium Pressure

Power:Hydraulic

Details: Knife Gate Valve 1:Certificate:ISO9001:2008.TS 2:Design : API, BS 3:Size:1/2"~24" 4:Medium and high pressure...Place of Origin: CN;ZHE

Zhejiang National Valve Technology Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Product Summary

A hydraulic worm gear or more correctly a "hydraulic worm gear wheel" is a rotating machine part having cut teeth, or cogs, which mesh with another toothed part in order to transmit torque. Two or more hydraulic worm gears working in tandem are called a transmission and can produce a mechanical advantage through a hydraulic worm gear ratio and thus may be considered a simple machine. Hydraulic worm geared devices can change the speed, magnitude, and direction of a power source. The most common situation is for a hydraulic worm gear to mesh with another hydraulic worm gear, however a hydraulic worm gear can also mesh a non-rotating toothed part, called a rack, thereby producing translation instead of rotation.

The hydraulic worm gears in a transmission are analogous to the wheels in a pulley. An advantage of hydraulic worm gears is that the teeth of a hydraulic worm gear prevent slipping. When two hydraulic worm gears of unequal number of teeth are combined a mechanical advantage is produced, with both the rotational speeds and the torques of the two hydraulic worm gears differing in a simple relationship.

In transmissions which offer multiple hydraulic worm gear ratios, such as bicycles and cars, the term hydraulic worm gear, as in first hydraulic worm gear, refers to a hydraulic worm gear ratio rather than an actual physical hydraulic worm gear. The term is used to describe similar devices even when hydraulic worm gear ratio is continuous rather than discrete, or when the device does not actually contain any hydraulic worm gears, as in a continuously variable transmission.

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