Type 521/D & 521/D/B

Double Seal for Glass Lined Reactor


Double Seal for Glass Lined Reactor Type 521/D & 521/D/B Mechanical Seals are designed for Top Entry Drives in Glass Lined Vessel. Compact Economical Cartridge Mechanical Seal for Glass Lined Vessel. These Seal specially designed for any mixed and pressurized liquid in Vessel with Top Entry Agitators where no leakage of Highly Acidic Process Gas OR Fluids to the Environment can be tolerated. Complete Pre-assembled Tested Unit ready for installation. These Seal are used for Exclusive Solid Seal Faces, Stationary Seats, thus Lowest Level of Seal face distortion when Expose to Compressive Load and Thermal Pressure.


Agitator / Reactor Seal
PUMP SEAL
Seal Support System

Thermosyphon System

Bearing Isolator

Bearing Isolator

Double Seal for Glass Lined Reactor Type 521/D & 521/D/B
Balance Pusher Seals which gives better performance in and for Sealing Environment. Double Seals are excellent with Low RPM Operation in Full Vacuum and Pressure. The design may either without bearing (Type 521/D) or with integral bearing (521/D/B). Various Elastomers can be offer for various Liquid applications. These Seals Designed with Cooling Water Jacket which ensure Cool Running of seals.


Features
Seal Ring Faces : Carbon and SiC
Seat Faces : Ceramic and SiC
Elastomer : Viton, TTV, FEP and FFKM
MOC : SS 316 - CHANGE OF MOC ON REQUEST
Materials
Shaft Dia. : 25mm to 150mm
Pressure : Full Vacuum to 14 bar
Temperature : -30oC to 260oC (Depending upon Elastomer)
Speed                 : 250 r.p.m. 
Operating Capabilities

 

 

SHAFT

 

D

D1

D5

M, D8

D9

D10

L2

L12

L12

mm

521D

521DB

40.00

38.00

114.00

4, M16

145.00

170.00

80.00

170.00

230.00

50.00

48.00

126.00

8, M16

155.00

180.00

80.00

180.00

240.00

60.00

58.00

137.00

8, M16

170.00

195.00

90.00

180.00

240.00

80.00

78.00

167.00

8, M16

200.00

225.00

90.00

200.00

260.00

100.00

98.00

203.00

8, M16

270.00

295.00

90.00

200.00

260.00

125.00

120.00

220.00

8, M20

295.00

325.00

103.00

220.00

280.00

 

 

 

Double Seal for Glass Lined Reactor Type 521/D & 521/D/B
Due to continuous improvement specifications and dimensions may change without prior notice.

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+91-22-2676 4504
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