Shan-Rod offers several different seats. We determine which seat is proper for each particular application.

CONVENTIONAL Swing-thru design, *4-5% leakage.
SCISSOR SEAT Swing-thru design, approx. *1-2% leakage.
METAL SEAT Materials same as body - approx. *1% leakage.
HIGH PERFORMANCE METAL SEAT Materials same as body - approx. *1/2% leakage.
TADPOLE SEAT Material furnished varies with service. Temp. to 1800º F. approx. *1/4 of 1% leakage.

* Leakages are estimated and vary based on service conditions.