|
Absolutely no maintenance |
|
|
No gland tightening |
|
|
No lubrication |
|
|
No adjustment of any kind |
|
|
Full opening with no
significant pressure drop |
|
|
Lowest operating torque in
the industry |
|
|
Steel --- Safety |
|
|
Directional solidification
weld ends meeting rigid code requirements |
|
|
100% full rating seat
testing, 150% full rating shell testing |
|
|
Patented packing ---- No
environmental leakage |
|
|
Back seat with full
containment of pressure below packing with no environmental
leakage |
|
|
Patented design |
