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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 SEW seal

John crane SEW seal
Product name : John crane SEW seal
Item : ISP SEW seal
Price : USD$180 TO USD$ 800
Details :

 ISP SEW O ring pusher seal


ISP SEW O ring pusher seal is the well replacement of John crane type SEW seal.


Type SEW is a seal operating on a non-pressurized water quench principle. It is designed

for the most demanding applications in the pulp industry, where reliable and long-lasting

operation is required from a seal. Typical applications include stock pumps at pulp mill

washing and screening facilities, as well as high-temperature condensate pumps.


Features


Balanced design — undisturbed operation even with sudden pressure shocks.

Heat shrunk seal faces — ensures correct face alignment at all temperatures recommended

for this seal.

Spring located in a stationary body — shaft misalignment does not pump up the spring or

wear out the O-ring.

Installation against the shaft shoulder — easy installation reduces risk of human error.

Nomeasurements required for installation.

No drive pins at seals — seal face does not crack at start-up.

Available in different materials — selection covers all possible single-seal applications.

Non-pressurized seal water quench — possible to cool seal with non-pressurized seal water

at high temperatures. A V-ring prevents water leakage from the seal.

By using a Sulzer Scanpump cartridge tool, the seal becomes a true cartridge seal.

Available with grease lubrication — the Safeseal Type SEW can be used with grease quench

to save seal water.


Parameters


TEMPERATURE LIMITS

                           300°F/150°C

PRESSURE LIMITS

                           Process pressure: 215 psi(g)/15 bar(g)

SPEED LIMITS

                           65fps/20m/s

STANDARD MATERIALS

                            Seal faces: SiC/Carbon or SiC/SiC

                            O-rings: PTFE, EPDM, Viton

                           Metals: AISI 329 (standard), titanium, UHB

                           Springs: Nimonic steel

                           V-ring: Nitrile

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