It is equivalent to TYPE 7D SEALS, UNITEN 5 SEALS.
 Roten Mechanical Seal for Water Pump ,Roten Type 5 seal
  Materials:
Stationary Ring: (Carbon/SiC/SSiC/TC)
Rotary Ring:  (Alumina 99%//SiC//TC)
Secondary Seal:  (NBR/EPDM/Viton)
Spring and Punched Parts : (SS304/SS316)
Working Conditions:
Pumps: Water pumps, circulation pumps, etc.
Temperature: -20°C~200°C
Pressure: ≤0.8MPa
Speed: ≤ 10 m/Sec
Resilient, conical spring, 'O'-Ring mounted, shaft directional 
dependent seal
 with a stationary to suit DIN housings. The 'O'-Ring 
mounted seal face offers
 enhanced versatility and performance. Type 7D 
is supplied as standard with a 
Type 7D stationary.
Also available as Type 7 in common sizes, with increased "L1" working
 length and
 Type 12 stationary.  More details are available upon 
request.


  
  
| Size d | D1 | D2 | D3 | L1 | L2 | L3 | 
| 10 | 21 | 17 | 19 | 15 | 7 | 4 | 
| 12 | 23 | 19 | 21 | 18 | 7 | 4 | 
| 14 | 25 | 21 | 23 | 22 | 7 | 4 | 
| 16 | 27 | 23 | 26 | 23 | 7 | 4 | 
| 18 | 33 | 27 | 29 | 24 | 10 | 5 | 
| 20 | 35 | 29 | 31 | 25 | 10 | 5 | 
| 22 | 37 | 31 | 33 | 25 | 10 | 5 | 
| 24 | 39 | 33 | 35 | 27 | 10 | 5 | 
| 25 | 40 | 34 | 36 | 27 | 10 | 5 | 
| 28 | 43 | 37 | 40 | 29 | 10 | 5 | 
| 30 | 45 | 39 | 43 | 30 | 10 | 5 | 
| 32 | 48 | 42 | 46 | 30 | 10 | 5 | 
| 33 | 48 | 42 | 46 | 39 | 10 | 5 | 
| 35 | 50 | 44 | 49 | 39 | 10 | 5 | 
| 38 | 56 | 49 | 53 | 42 | 13 | 6 | 
| 40 | 58 | 51 | 56 | 42 | 13 | 6 | 
| 43 | 61 | 54 | 59 | 47 | 13 | 6 | 
| 45 | 63 | 56 | 61 | 47 | 13 | 6 | 
| 48 | 66 | 59 | 64 | 47 | 13 | 6 | 
| 50 | 70 | 62 | 66 | 46 | 14 | 6 | 
| 53 | 73 | 65 | 69 | 56 | 14 | 6 | 
| 55 | 75 | 67 | 71 | 56 | 14 | 6 | 
| 58 | 78 | 70 | 76 | 56 | 14 | 6 | 
| 60 | 80 | 72 | 78 | 56 | 14 | 6 | 
| 63 | 83 | 75 | 81 | 56 | 14 | 6 | 
| 65 | 85 | 77 | 84 | 66 | 14 | 6 | 
| 68 | 90 | 81 | 88 | 64 | 16 | 7 | 
| 70 | 92 | 83 | 90 | 64 | 16 | 7 | 
| 75 | 97 | 88 | 98 | 64 | 16 | 7 | 
| 80 | 105 | 95 | 100 | 72 | 18 | 7 | 
| 85 | 110 | 100 | 108 | 72 | 18 | 7 | 
| 90 | 115 | 105 | 111 | 72 | 18 | 7 | 
| 95 | 120 | 110 | 119 | 72 | 18 | 7 | 
| 100 | 125 | 115 | 124 | 72 | 18 | 7 | 
We take pride in our ability to help customers improve reliability, make a positive
 environmental impact and reduce operating expenses. One of our key strengths
 is our unmatched ability to deliver engineered seal product orders within 72 hours
 of a customer's request. Our worldwide, industry-leading Rotating Equipment 
Specialist program educates our engineers through hands-on and theory-based
 training courses, ensuring that our customers will receive outstanding service
 each and every time they do business with us.