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.

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.