OMAC B430 - Page 34

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BALANCED ROTARY MECHANICAL SEAL TYPE "U7K" - "KL2A"
Code 3 • Stationary part = carbon
• Rotating part = AISI 316 SS
- O-ring = EPDM (viton)
Code 4 • Stationary part = carbon
• Rotating part = tung. carbide
- O-ring = EPDM (viton)
Code 5 • Stationary part = tung. carbide
• Rotating part = tung. carbide
- O-ring = EPDM (viton)
Code 8 • Stationary part = silicon carbide
• Rotating part = silicon carbide
- O-ring = EPDM (viton)
SINGLE FLUSHED MECHANICAL SEAL TYPE "U7K" - "C5E" - "KL2A"
220 = Flushing seal box at low pressure with free liquid unloading.
223 = EPDM-VITON "UM" seal ring or PTFE special lip ring.
224 = AISI 316 SS turning ring for "UM" ring.
AISI 316 SS ceramic coated turning ring for special PTFE lip ring.
BALANCED ROTARY MECHANICAL SEAL TYPE "C5E" - "KL2A"
Code 3 • Stationary part = 316 AISI SS
• Rotating part = carbon
- O-ring = EPDM (viton)
Code 6 • Stationary part = ceramic
• Rotating part = carbon
- O-ring = EPDM (viton)
Code 7 • Stationary part = ceramic
• Rotating part = rulon
- O-ring = EPDM (viton)
Fig. 24 Code 3-4-5-8
Fig. 23 Code 3-6-7
Fig. 25 Code C
CODE Q - DOUBLE FLUSHED MECHANICAL SEAL
Special applications only by request
• Pumped fluid seal
- AISI 316 SS/carbon
- Carbide/carbon
- Carbide/carbide
- Ceramic/carbon
- Ceramic/rulon
• Flushing liquid seal
- AISI 316 SS/carbon