Butterfly valve Nominal pressure rating: PN1.0, 1.6, 2.5Mpa Nominal bore: DN50 600mm Working temperature: -20 80 Actuator: handle Seat type: Stainless steel hard seal Teflon soft seal Main material:Body:Cast iron rubber lined Valve core:304 PS:We supply many types of valve with good quality and good price you can get from us.If you have any special request, please let us know.