Features and benefits

• Complies to ASME B16.34 standards
• Designed for quick and easy maintenance – one step removal of all working parts including packing.
• All pressure containing parts within one body-bonnet forging – no joints to leak or welds to cut for servicing.
• Non rotating stem allows a non-spinning disc, ensures low torque and prevents torsional damage of the packing.
• Fully enclosed, lubricated stem drive system with needle bearings ensures low operating torque.
• Solid CoCr alloy disc, seat ring and backseat provide excellent long service life even in severe services.
• Backseat bevel on the stem, not on the disc, satisfies both API-600 and API-602 specifications.
• Optional live-loading: keeps packing tight for long periods of time without maintenance.
• Optional double packing and leak-off.