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Name: Mr Simon
Tel: +86-0574-55848636
Fax: +86-0574-55848636
Add: B2-6 JiangShan Industrial Park, Yinzhou District,Ningbo,China
E-mail: simon-ispseals@outlook.com
E-mail: info@ispseals.com

john crane SE2 double face cartridge seal

john crane SE2 double face cartridge seal
Product name : john crane SE2 double face cartridge seal
Item : john crane SE2
Details :
 ISP SE2 double face cartridge seal

 ISP SE2 double face cartridge seal is the repalcement of original john crane type SE2 cartridge seal.But our seal
has some change on the seal shell,but have the same installation dimension withthe original seal.

The Safeseal Type SE2 is a customer-fitted (OEM standard) dual, balanced cartridge seal designed for the severe
applications found in the pulp and paper industry and slurry applications. This seal is typically used in pumps for
abrasive and environmentally hazardous liquids in cooking, evaporation and causticizing facilities in pulp mills. It is
designed as a dual-pressurized (double) seal, but incorporates a patented double-balance feature which also allows
it to be used as an unpressurized (tandem) dual seal arrangement. The Type SE2-AP seal is especially designed for
the Sulzer APP pump series.
 
Features
 
Seal faces are installed using a patented heat shrink process, ensuring correct, distortion-free face alignment at all
recommended temperatures.
 
The springs are located in the stationary body of the seal in the seal water (barrier fluid). The seal water washes the
springs, preventing corrosion by process chemicals and reducing the risk of the springs becoming clogged. Shaft
misalignment does not vibrate or wear out the O-rings.
 
The piston design permits free axial movement. It allows ± 2mm axial movement. Impeller adjustments do not affec
face stress or spring strength.
 
PTFE slot rings replace the traditional O-rings in places where they are exposed to the product, preventing sticking.
 
Protected faces, the seal face carriers are driven by machined fits, preventing metal stress from distorting the face.
 
Patented double-balanced design allows the use of both pressurized and un-pressurized seal water (barrier/buffer fluid)
and prevents face overload.
 
Parameters
 
TEMPERATURE LIMITS
350°F/180°C
PRESSURE LIMITS
Process pressure: 290 psi(g)/20 bar(g)
Seal water pressure: 215 psi(g)/15 bar(g)
SPEED LIMITS
65fps/30m/s
STANDARD MATERIALS
Seal faces: SiC/SiC (product side), SiC/Carbon (atmosphere side)
O-rings: PTFE (product side), EPDM, Viton
Metals: AISI 329 (standard), titanium, UHB, super duplex
Springs: Nimonic steel
 
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