Zurcon® Buffer Seal LM is a heavy‑duty, single‑acting rod seal comprising a high‑modulus Zurcon® sealing element with an integrated back-up ring. Designed for tandem seal systems, it ensures optimal pressure distribution, rapid activation, and protection of secondary seals during pressure surges. The seal handles pressures up to 40 MPa (peak 60 MPa), speeds of 1 m/s, and temperatures from –35 °C to +110 °C, offering robust extrusion resistance and reliable performance across demanding hydraulic applications.
Rod/U-Cup:
Groove Diameter Outside155.5 mm
Signature StandardRUKCB1400-Z2054
Quality (10th Digit)-
TSS Article Number (3 to 9)KCB1400
Type of Article0
Root Groove Inside Diameter140 mm
Root Groove Outside Diameter155.5 mm
Root Groove Thickness6.3 mm
Groove Diameter Inside140 mm
Article GroupRU
Groove Thickness0 mm
Groove Width6.3 mm
Compound codeZ2054
Material Information for the product(s) on this page
Z20
Hardness unit:
Shore A
Gravity Unit:
g/cm³
Material Code Class:
Thermoplastic
Maximum Hardness:
93
Maximum Temperature:
110
Minimum Temperature:
-35
Material Type:
PUR
Material:
Z20
Hardness Tolerance:
+/- 3
Specific Gravity:
1.2
Shore A Hardness:
93+/- 3
Gravity Tolerance:
+/-0.02
Minimum Hardness:
93
Color:
Turquoise