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Type 21 Replace to JohnCrane Elastomer Bellows for Pump Mechanical Seal

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Type 21 Replace to JohnCrane Elastomer Bellows for Pump Mechanical Seal

Key Word : T21 mechanical seal

Model Number : T21

Face : VIT/NBR

Oem Service : Available

Price : consult

Packaging Details : Details Carton

Productname : Water Pump Mechanical Seal

Supply Ability : 1000/Set/Month

Processing : Drawing

Certification : ISO SGS

Seal Faces : CAR/CER/SIC

Brand Name : YUE MI

Seal : Submersible Pump Seal

MOQ : 10/PCS

Transport Package : box

Payment Terms : T/T

Features : Self-aligning, Easy to Install, Durable

Delivery Time : 5-8 work days

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Type 21 Replace to JohnCrane Elastomer Bellows for Pump Mechanical Seal

Product Description

Alternative to: John crane type 21 seal/AES P04/ P04T seal/ Flowserve ( Pac-Seal) 110 seal/ Roten 21A seal/ SEALOL 43 CU Short/ / STERLING 212A /VULCAN 11 seal

The Type 21 is ideal for use in centrifugal, rotary and turbine pumps, compressors, chillers and other rotary shaft equipment. It is also commonly used by the wastewater and water systems industries for applications such as waste treatment, potable water and HVAC.

Operating Limits:

Pressure: ≤10 Bar

Temperature: -20ºC~180ºC

Speed: ≤ 12 m/s

Material:

Face: Carbon,SiC, SSiC, TC

Seat: SiC, SSiC, TC

Secondary Sealing: FKM/NBR/EPDM

Metal: 304SS,316SS

Features

The drive band's "dent and groove" design eliminates overstressing of the elastomer bellows to prevent bellows slip and protect the shaft and sleeve from wear.
Non-clogging, single-coil spring provides greater dependability than multiple spring designs and will not foul due to fluid contact.
Flexible elastomer bellows automatically compensates for abnormal shaft-end play, run-out, primary ring wear and equipment tolerances.

Parameters

TEMPERATURE LIMITS	-40°F to 400°F/-40°C to 205°C (depending on materials used)
PRESSURE LIMITS	150 psi(g)/10 bar(g)
SPEED LIMITS	Up to 2500fpm/13m/s, depending on configuration and shaft size

Recommended Applications

Process pumps
Other rotating equipment

Product Tags:

Type 21 mechanical seal bellows

JohnCrane elastomer bellow replacement

pump mechanical seal elastomer

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