Specifications
John Crane Type 21Alternative to:AES P04,Flowserve 110,Roten 21A,Sealol 43 CU Short seal,Sterling 212A,US Seal C,Vulcan 11
Type 21 Shaft Mounted Seal for Pump
Dimensions
• Elastomer: Nitrile, Viiton, EPDM
Equivalent to
• Crane 21 seal
• Flowserve 110 seal
• Roten 21A seal
• Sealol 43 CU Short seal
• Sterling 212A seal
• US Seal C seal
• Vulcan 11 seal
• Pressure: Up to 10 bar (145 PSI),
• Temperature: t = -30 °C … +200 °C (-22 °F … +392 °F)
• Sliding velocity: vg = 13 m/s (2500 fpm)
• Admissible axial movement: ±2.0 mm
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.