Seals, buy Impeller Pump Seal Type 21 on China Suppliers Mobile

Product Details

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

Impeller Pump Seal Type 21

Dimensions

Materials

• Seal face: Carbon, Silicon Carbide, Ceramic, Tungsten Carbide

• Elastomer: Nitrile, Viiton, EPDM

• Metal parts: SS304, SS316

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

Operating range

• Shaft diameter: d1 = 9.525 … 101.6 mm (0.375" ... 4")
• 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

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