​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​This seal is ideal for corrosive and other general services. The Chesterton 440 is a low-cost replacement for seals made from exotic or expensive materials.

• No metal parts touch sealed fluid

• Prevents damage to glass-lined shafts

• Hydraulically balanced

• No sleeve or stepped sleeve needed