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valve steam seal

Model / Specifications:Oil seals-OS-3001

Standard or Nonstandard:Standard

Style:Mechanical Seal

Material:Rubber

Brand Name:UNISON or OEM

Details: valve steam seal Rotating valve steam seal, Used for Machineries and Steering System....Place of Origin: CN

Unison (Qingdao) Industrial Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Steam cabinet seal

Details: produced by the advanced arts and crafts,the main characteristic is innocuity, odourlessness, High-resistant,... Place of Origin: C...

Hebei Jufeng Rubber & Plastic Products Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Bellows Seal Steam Trap Valve

Standard or Nonstandard:Standard

Structure:Trap Valve

Pressure:Medium Pressure

Power:Manual

Details: Bellows Seal Steam Trap Valve DN: 6~50 mm PN: 1.0~6.4MPa...

Shanghai Yuying Machinery Technology Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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viton valve stem seals/valve steam seal/control valve seal kit

Details: Description for rubber valve seal: 1. Applications: automobile, motorcycles, agricultural machinery, trucks, buses, trailers, exercise equipment...

Xingtai City Huawo Imp & Exp Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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SSic/RBSic/Carbon/TC/SS Bearings&bushing(Customer Customized)

Details: We design and manufacture the mechanical seal and seal material for Pumps, Compressors, Agitators, Mixers, Steam Turbines, Separators, food machin...

Ningbo Rock Metal Product Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Gland Seal Steam Control Valve

Model / Specifications:KX25-200

Price Range:US $1,000 - 2,000 / Piece

Standard or Nonstandard:Standard

Structure:Control

Pressure:Medium/High Pressure

Power:Electric

Details: Products/Services: forged steel valves, forged steel y type globe valves, steam traps, control valves, drain valves, forged steel gate valves, high...

Suzhou Delan Energy Science & Technology Ltd. Company

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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STEAM SEAL

Model / Specifications:CP-BST-120

Details: The most professional auto parts supplier for KIA, HYUNDAI and DAEWOO. About 5000 export types and more than 30 series. Such as Ball Joint, Shock ...

Ruian Cop. Imp. & Exp. Trade Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Silicone Rubber Sealing Ring

Model / Specifications:SD-001

Price Range:US $0.5 - 0.6 / Piece

Brand Name:SD

Material:Silicon

Shape:Ring Gasket

Standard or Nonstandard:Nonstandard

Details: 1.Ozone and chemical resistance 2.High temperature resistance 3.Good Steam Seal, food grade 4.Anti-aging, good flexibility...

Dalian Jinzhou Shengda Rubber Products Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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valve stem seal

Model / Specifications:valve seal

Details: 1.Material: VITON 2.Application: Valve Steam auto seal, valve seal ,valve stem seal:... Place of Origin: CN;GUA

Foshan Shunde Yida Automotive Sealing Articles Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Segmented Shaft Seal Ring

Model / Specifications:Segmented Shaft Seal Ring

Standard or Nonstandard:Nonstandard

Style:

Brand Name:RCM

Details: carbon split ringSegmented Shaft Seal Ringfor steam turbinewith springSegmented Shaft Seal Ringcarbon split ringwith spring//

Ningbo Rock Metal Products company

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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valve steam oil seals

Model / Specifications:valve steam oil seal

Standard or Nonstandard:Standard

Style:Pneumatic

Material:Metal

Brand Name:JJHD

Details: valve steam oil seals for the rod Application 1.Rotary Sealing System 2. Dusty Environment...

Tianjin Jinjin Haode Hydraulic Seal Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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High Pressure Steam Gate Valves Seal

Model / Specifications:Z41H/Y

Standard or Nonstandard:Standard

Structure:Gate

Pressure:High Pressure

Power:Manual

Details: High Pressure Steam Gate Valves Seal Specifications:1) Size:2"-36" or DN50-DN8002) Class:150-2500Lbs,PN16-PN100,1.6mpa-6.4mpa3...

Xiamen Liangs Mechanical &Electrical Equipment Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Thermodynamic Disc Steam Trap

Model / Specifications:A46S

Price Range:Negotiation

Place of Origin:Gansu Province China

Standard or Nonstandard:Standard

Structure:Thermodynamic Steam Trap

Pressure:0.03 - 6.5 Mpa

Details: Thermodynamic Steam Traps, Disc Steam TrapsModel: A46SFeatures:1: Hardened stainless steel working surface.2: Air jacketing reduces no-load cyclin...

Beijing 920 Technology Co.,Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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valve seals

Model / Specifications:EM-0866

Standard or Nonstandard:Standard

Style:Oil

Material:Rubber

Brand Name:ERMEI

Details: steam valve seal 1,19 years experience 2,size:customized 3,material:NBR /FPM 4,advantage:pressurefroof, wearable...

Ningbo Ermei Oil Seal Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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High Pressure Electric Operated Steam Gate Valve

Details: wcb cast iron/ steam/ electric actuated /soft seal/ water/ gate valve Product Feature:Normal Pressure: 1.0MPa/1.6MPaShell Test Pressure: 1.5M...

Tianjin Tangzheng Valve Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Shaft Seal Electric Heater (Steam Heating specially used in Power Station)

Details: Description: Shaft Seal Electric Heater Electric Construction Heaters 1.The enclosure is cast with aluminium alloy,surface is sprayed with plastic...

Zhenjiang Yutai Explosion-Proof Electric Heater Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Hot Oil Steam Rotary Joint with Carbon Seal Ring

Model / Specifications:Carbon Ring

Standard or Nonstandard:Standard

Style:O Ring

Material:Graphite

Brand Name:YJ

Details: Hot Oil Steam Rotary Joint with Carbon Seal Ring Material:Graphite carbon...

Joy Industrial Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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cast iron a216 wcb/ waste water / sweage water gate valve

Details: Pressure seal gate valve Product name:Pressure Seal Gate ValveApplication:Gas and oil industry, steam power stations, petrol chemical,paper and p...

Beijing Agend Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Spring Type Quick Closing Butterfly Valve

Model / Specifications:KD7X42/3P

Standard or Nonstandard:Standard

Structure:Butterfly

Pressure:Medium Pressure

Power:Manual

Details: 1.PN:0.6~2.5MPa 2.DN:400~2000mm 3.Suitable medium:water, steam, gas 4:Soft seal ,lower 80Celsius.hard seal, lower 425Celsius...Place of Origin: CN;BEI

Beijing High & Medium Pressure Valves Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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US Series Solenoid Valve (Steam Type)

Model / Specifications:GHM-US SERIES

Type:Valves

Brand Name:GHMPC

Details: 1.US series solenoid valve(steam type) 2.Seal code: EPDM 3.port size:1/2",3/4", 1",1 1/4",1 1/2", 2" 4:CV(m3/h):4.8,...

Great Horizon Manufacture Co., Limited

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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24V solenoid valve steam

Model / Specifications:2L

Standard or Nonstandard:Standard

Structure:Pilot

Pressure:Medium Pressure

Power:Solenoid

Details: steam solenoid valve 24VCharacteristic : 1.Pilot operated piston construction with low power consumption 2.Seal serves lo...

Hangzhou Darhor Technology Co., Limited

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Water steam boiler for shrink-seal PVC label

Model / Specifications:ST-1200

Details: The mini water steam generator is choosen specially for the bottled water and beverages industry, the system features an automatically feed water ...

GENESIS PACKAGING MACHINERY CO. LTD.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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SMC Equivalent Model VND202DS-15A Equivalent PTFE Seal Pneumatic Control Steam Valve

Model / Specifications:VND Equivalent

Price Range:US $0 - 50 / Piece

Standard or Nonstandard:Standard

Structure:Diaphragm

Pressure:Medium Pressure

Power:Pneumatic

Details: 1.OEM Service Offered 2.Certification:ISO9001/CE 3.Can produce according to your requirements 4.Stainless valve body offered...Place of Origin: CN;ZHE

Fenghua Yongxing Pneumatic Components Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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SMC Equivalent PTFE Seal Pneumatic Control Steam Valve

Model / Specifications:VND Equivalent

Price Range:US $0 - 50 / Piece

Standard or Nonstandard:Standard

Structure:Diaphragm

Pressure:Medium Pressure

Power:Pneumatic

Details: 1.OEM Service Offered 2.Certification:ISO9001/CE 3.Can produce according to your requirements 4.Stainless valve body offered...

Fenghua Yongxing Pneumatic Components Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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CARBON FIBER GLASS PACKING

Model / Specifications:NP118MG/ NP118HG

Standard or Nonstandard:Standard

Style:Mechanical Seal

Material:CARBON FIBER

Brand Name:FIREWHEEL

Details: Service with steam, oil, bleach, solvents, acids, alkalis and other products....Place of Origin: China

Ninbo Firewheel Thermal Insulation & Sealing Co., LTD.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Water-seal Gate Valve

Model / Specifications:DN50~800 PN1.6

Standard or Nonstandard:Standard

Structure:Stop

Pressure:Medium Pressure

Power:Manual

Details: Water-seal Gate Valve Name:Water-seal Gate Valve Classification:Power Plant Valves Standard:DN50~800 PN1.6 SummaryWater-seal Gate Valve■...

HENAN QUANSHUN FLOW CONTROL SCIENCE&TECHNOLOGY CO. LTD

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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pressure seal gate valve

Standard or Nonstandard:Standard

Structure:Gate

Pressure:High Pressure

Power:electric actuator

Details: Pressure seal gate valve,class 900Lb, 1500Lb this type with a good sealing tightness,WC6,WC9,alloy ste...

Zhejiang Petrochemical Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Steam gate valve

Model / Specifications:gate valve

Standard or Nonstandard:Standard

Structure:Gate

Pressure:Medium Pressure

Power:Manual

Details: Steam gate valve(Pressure seal gate valve/Butt welded gate valve) Design & manufacture standard: API6D,API600,API603,ISO10434 Face to face dim...

Zhejiang Sedelon Valve Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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2/2 Piston pilot operated solenoid valve

Model / Specifications:ZCT

Price Range:US $1 - 100 / Piece

Standard or Nonstandard:Standard

Structure:Pilot

Pressure:Low Pressure

Power:Solenoid

Details: 1.Pilot operated piston construction with low power consumption 2.Seal serves longtime at steam ambient;...Place of Origin: CN;HEB

Cangzhou Shengxiong Stainless Steel Products Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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steam solenoid valve with PTFE SEAL

Model / Specifications:T-B201

Standard or Nonstandard:Standard

Structure:Control

Pressure:Medium Pressure

Power:Solenoid

Details: solenoid valve for steam application. size: 1/8"... 2"...

SMS SANAYI MALZEMELERI URETIM VE SATISI AS

Business Type:Manufacturers

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TurkeyTurkey

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Product Summary

pdf

Apparatus for steam sealing a shaft of a steam turbine is disclosed. The apparatus preferably includes at least four sealing rings which encircle the shaft of the steam turbine. The sealing rings are spaced apart to define at least three regions. A first region, closest to the blades of the turbine, receives contaminated steam and exhibits a below-atmospheric pressure. A third region, furthest from the blades of the turbine, also exhibits a pressure which is less than atmospheric pressure, but which pressure is also less than the pressure in the first region. A second region, arranged between said first and third regions, receives uncontaminated steam and exhibits a pressure which is greater than atmospheric pressure.

A steam seal system of the type disclosed herein, wherein a third region is arranged between first and second regions to provide an equalizing region, and from which a mixture of steam and air is exhausted, is described in DEGbm No. 72 40 334.

A primary object of the present invention is to provide an improved steam seal apparatus for the shafts of turbines and the stems of valves, wherein a turbine is driven by contaminated steam.   A further object of the present invention is to provide a steam seal apparatus for a shaft of a turbine which includes safety features which will make it less likely that the steam seal apparatus will fail.

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