Radial Shaft Seal Type 21

Radial Shaft Seal Type 21

Elastomer bellow mechanical seal SRS-E21T, can be replaced of Johncrane 21T. Suggested operating limits Temperature: -20 - 120℃ Speed: ≤15m/s Pressure≤1.0Mpa Combined material Rotary face: Carbon/Sic/TC Stat Ring: Ceramic/Sic/TC Seat Type: Standard SRS-S11, Alternative SRS-S20/S21. FAQ Q: What...

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Product Details

Elastomer bellow mechanical seal SRS-E21T, can be replaced of Johncrane 21T.


Suggested operating limits

Temperature: -20 - 120℃

Speed: ≤15m/s

Pressure≤1.0Mpa


Combined material 

Rotary face: Carbon/Sic/TC

Stat Ring: Ceramic/Sic/TC


Seat Type: Standard SRS-S11, Alternative SRS-S20/S21.

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FAQ

Q: What is your minimum order quantity, can you send me samples?

A: Our minimum quantity is 1 set,  we can send you catalog, warmly welcome you to come visit our company. 

Q:How long is your delivery?

A:For stock items ,we can ship them immediately after receive payment.

For other items ,we will need 20 days for mass production. 

Q:Do you provide free samples ?

A:Usually we do not provide free samples .There is a sample cost which can be refund after you place order.

Q:What do you usually shipped through?

A:Air freight, Sea freight, express are the most way of shipment due to small weight and size for precise products.

Q:What’s your payment terms?

A:We accept T/T, Paypal, Western Unionwhen qualified goods are ready for ship.

Q:I can not find our products in your catalog ,can you make customized products for us?

A:Yes ,Customized products is available.

Q:I don’t have drawing or picture available for custom products, could you design it?

A: Yes ,we can make the best suitable design in accordance with your application.


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