Specifications

John Crane Type 21
Alternative to:AES P04,Flowserve 110,Roten 21A,Sealol 43 CU Short seal,Sterling 212A,US Seal C,Vulcan 11

                          Type 21 Shaft Seal for Pump

 

Dimensions                                                                                                                                

 

                                                 

                         

 

• Elastomer: Nitrile, Viiton, EPDM

 

Process Of An Order                                                                                                                 

1. Please check product detailed information above.
 A. Model/Shaft Size   B. Face Material   C. Order Quantity.

 

2. Our Export Service Team will contact you with a quotation file within 3 hours after our team get your

    enquiry.

 

3. When you place an order, our team will confirm with you about ordered product information, package,

    method of payment and delivery, then a sales contract will be sent to you to confirm.

 

4. Packing: Cardboard box (absorbing wrapper inside).

 

5. How to delivery:
    By sea - Buyer appoint forwarder, or our sales team find suitable forwarder for buyers.
    By air   - Buyer provide your express account, or our sales team find suitable express for buyers.
    Others - We arrange to delivery goods to some place in China appoint by buyers.

 

Real Products                                                                                                                            

 

 

Item parts                                                                                                                                    

 

                                              

Part No.	A	B	C	D	E	F
Description	Seal Face	Seat	Spring	Retainer	Elastomer Bellows	Drive Band

 

Features                                                                                                                                      

• For plain shafts
• Single and dual seal
• Elastomer bellows rotating   
• Unbalanced   
• Eliminates damage to bellows
• Eliminates drive failure         

 

Advantages                                                                                                                               

• Self-aligning unit automatically adjusts for shaft end play and run-out
• Eliminates potential shaft fretting damage between the seal and shaft
• Positive mechanical drive protects the elastomer bellows from overstressing
• Single coil spring improves tolerance to clogging
• Simple to fit and completely field repairable
• Can be used with practically any type and type of mating ring

 

Recommended applications                                                                                                     

• Water and waste water technology                                                            • Food and beverage industry
• Pulp and paper industry                                                                             • Water and waster water pumps 

• Water, waste water, slurries (up to 5 % by weight)                                     • Pulp (up to 4 % otro)
• Centrifugal pumps                                                                                      • Rotary and turbine pumps
• Compressors                                                                                              • Mixers
• Blenders                                                                                                     • Chillers

• Agitators                                                                                                 

  

  

 

Welcome To Visit Our Factory - Located in the tourism city - Hangzhou -West Lake.