• Robust, ductile Iron valve bodies for long service life
• Stainless steel disc provides a greater level of resistance
• Suitable for wide temperature range -10°C to 120°C
• Extended size range (DN50 to DN600) for application requirements
• Fully lugged for secure installation
• Rated PN25 for higher pressure applications
• Lever (FM638) and Gearbox (FM639) options available