Seals For Pump Type B660 - B680 - OMAC B Series Installation, Operation And Maintenance Manual

2 - SEALS FOR PUMP TYPE B660 - B680

Fig. 32
Fig. 33
Fig. 34
Fig. 30 Code 3-4-5-6-7-8
Fig. 31
LIP SEAL
Pos. 242 - 245 = N.B.R. (viton) O-ring
Pos. 240
Code 0
PACKING GLAND
Pos. 285 - 282 = N.B.R. (viton) O-ring
Pos. 280
Code 1
PACKING GLAND WITH HYDRAULIC BARRIER
Pos. 292
Code 2
BALANCED MECHANICAL SEAL TYPE "7K" - "C5E" - "KL2A"
Code 3 = AISI 316 SS/Graphite + EPDM (viton) O-ring
Code 4 = Tung. Carbide/Graphite + EPDM (viton) O-ring
Code 5 = Tung. Carbide/Tung. Carbide + EPDM (viton) O-ring
Code 6 = Ceramic/Graphite + EPDM (viton) O-ring
Code 7 = Ceramic/Rulon + EPDM (viton) O-ring
Code 8 = Silicon Carbide/Sil. Carbide + Viton (EPDM) O-ring
SIMPLE FLUSHED MECHANICAL SEAL TYPE "7K" - "C5E" - "KL2A"
Pos. 220 = Flushing seal box at low pressure with free liquid unloading.
Pos. 223 = EPDM-viton "UM" seal ring.
Code C
= "UM" viton rings
= "UM" polymer S1 rings
= PTFE lubricated braid packing rings.
= AISI 316 SS hydraulic ring for flushing of a liquid.
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