Split ring plastic oil john crane type Rubber Bellow Mechanical Seal 8b1

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Split ring plastic oil john crane type Rubber Bellow Mechanical Seal 8b1


Hot sale 8B1 rubber mechanical seal for shipping from china.


Operational Condtions:

Temperature -20°C to+180°C
Pressure ≤2.5MPa
Speed ≤15m/s



Stationary Ring


Silicon Carbide,Sintered Pressureless

Silicon Carbide ,Reaction bonded 

Co-binder tungsten Carbide

Rotary Ring

Resin lmpregnate Carton Graohite(Furan)

Antimony lmpreg Carbon Graphite

Silicon Carbide,Sintered Pressureless

Silicon Carbide ,Reaction bonded 

Secondary Seal




FPM,with PTFE wrapped

EPR,with PTFE wrapped

Spring and Metal Parts

Stainless steel 304

Stainless steel 316


Hastelloy C-4 Alloy



Seat Type:

Standard N
Alternative T21



Clean water,sewage water,oil and other moderately corrosive fluids


Our products can replace the mechanical seals produced by Burgmann and John Crane and be widely used in petroleum, chemistry, refinery, paper making, pharmacy, power and auto industry. Our Mechanical Seal Factory. is the advanced designer & manufacturer of mechanical seal, the range involves in: industrial pump mechanical seal, mixer and agitator seal, cartridge seal, metal bellows seal, auto cooling pump seal and auto air-condition compressor lip seal.


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Mr. Miss. LIU
Tel: 86-512-58299980
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Zhangjiagang Chemical (Golden-Bee) Mechanical Seals Co., Ltd
No. 6 west Qing'an Road, Suzhou, Jiangsu, China (Mainland)
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