Apertures in the packing nut allow an adjustment tool to reach the threaded surface, bypassing clearance interference from surrounding components.
Welded slide valve guides sit outside the flow path to eliminate erosion damage, preventing seat plate distortion under differential pressure.
Segmenting the seal assembly into a removable cartridge eliminates actuator disassembly during maintenance.
Corrugated sleeve elastically deforms to maintain constant length during shaft rotation, preventing fugitive emissions from industrial valve bodies.
Sandwiched valve box between pipe flanges eliminates heavy flanges, reducing weight and manufacturing costs.
A diaphragm valve uses a support sleeve to hold the sealing membrane between the armature and valve member.
Elastic seal lips adapt to radial play and misalignment, reducing friction losses while maintaining effective sealing across varying pressures.
A valve shaft apparatus integrates a seal leakage detector to visually indicate process fluid leaks within stationary and dynamic seal areas.