DC5813 Low Load Control Butterfly Valve

Specification:

Model	DC5813
Nominal size	4"～80"（DN100～DN2000） The biggest size manufactured: 160" (DN4000)
Disc form	Damper type (See Fig. 2-1) Back Seat type (See Fig.2-2)
Nominal Pressure	ANSI Class 125,150 JB/T79.1 HG/T20592 PN0.25，0.6
Body connections	Flanged Type
Bearing type for Stem	Outer bearing type：-5~+600℃
Packing	Teflon-Asbestos：-5~+230℃ Teflon-Carbon : -5～＋230℃ Flexible graphite: -5~+600℃。
Painting color	Epoxy resin group. In the case of stainless steel body, no painting

Item Type Specification	Pneumatic cylinder type
	RB series (pinion-and-rack)
	Singel-acting	Double-acting
Purpose	Adjustment
Air supply pressure	0.4-0.7MPa
Connection	Rp1/4, Rp1/2
Rotation Angle	60 or 90 deg
Direct action	Air to valve shut	Valve open or close by air or electric signal.
Reverse action	Air to valve open
Lag	≤1.5% of full stroke with positioner
Linearity	≤±2% of full stroke with positioner
Allowable Ambient Temp.	-40~+80 ℃
Painting	RB series silver
Option	E/P, P/P-Positioner, Filter-pressure-reducing valve, Solenoid valve, Limit switch, Position transmitter, Lock valve, Speed controller, Rotation stopper, Manual mechanism, etc.