Full size safety gland filler made of pure graphite; PTFE is also available upon request
metal rear seat with travel limiter in open position and bellows anti-vibration device
Multi-wall, fully washed stainless steel bellows to prevent torsion, designed for 10 000 cycles; All welded
Stainless steel cam-type valve cover gaskets coated with pure graphite are installed in the mortise valve cover flanges