China Butterfly valve manufacturer,factory and supplier-Butterfly valve
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SHANGHAI HUIXUAN VALVE

Mobile:+86-17717520739
Wechat:17717520739
Email:info@shxvalve.com
Address: NO.720, Suide Road, Jiading District,Shanghai, China.
Ball valve manufacturer   

D41F4 D41F46 Fluorine lined butterfly valve

  • Port size:2″ to 8″,DN50-DN200
  • Pressure:PN10-16 bar,150LB,JIS 5K 10K
  • Structure:Full lined, Spit body.
  • Medium:Corrosive medium
  • Temperature :-29~150℃
  • Body material:Carbon steel,stainless steel+PTFE PFA FEP Lined
  • Connection:Double flanged end
  • Feature:Lever type flanged end full fluorine lined butterfly valve
D41F4 D41F46 Fluorine lined butterfly valve manufacturer,factory and supplier. D41F4 is Lever full PTFE lined butterfly valve, double flanged end connection; D41F46 is Lever full FEP lined butterfly valve, double flanged end connection. PTFE,FEP,PFA Lined material is optional for corrosive medium.

D41F4 D41F46 Fluorine lined butterfly valve specification
Size Range: DN50 - DN200 (2" - 8")
Pressure Rating: 10 bar
Body Patterns: Double flanged / Wafer / Lugged 
Body Seat: PFA/PTFE/FEP
Body Materials: WCB/CF8/CF8M
Disc Materials: FEP, PFA, PFTE
Temperature Rating: -20°C to +180°C
Flange Standards: ANSI125/150, PN6/10/16, JIS 5K/10K
Operation: Manual, Electric, Pneumatic

D41F4 D41F46 Fluorine lined butterfly valve feature
ISO 5211 top plate for direct mounting of a wide range of actuators, handles, and gears
Resilient seat energizer extends completely around seat, including disc hub area
One piece disc/stem in high strength design – available in SS316 thin profile with hand polished edge and hubs, or FEP/PTFE/PFA encapsulated (min. 3mm thick)
Heavy duty acetal bushing
Bi-directional U-cup stem seal
Heavy duty, two piece epoxy coated body with extended neck and locating holes
Precision machined PTFE/PFA seat (min. 3mm thick)
Live-loaded stem seal system by a set of Belleville spring washers on the upper and lower stem


How to know the type of D41F4 D41F46 Fluorine lined butterfly valve?
(1) Butterfly valve code: D indicates the butterfly valve;  
 
(2) Transmission form code: lever (omitted), 3 means gear drive, 6 means pneumatic drive, 7 means hydraulic drive, 9 means motorized drive;  
 

(3) Connection code: 4 flange type, 6 welding, 7 wafer type;  
 
(4) Structure form code: 1 means concentric, 2 means double eccentric, 3 means three eccentric, 4 means change eccentric, 5 means single eccentric;  
 

(5) Sealing material code: H---Stainless steel, X or J--Rubber, F---Vition, F4---PTFE,F46---FEP, M---Monel alloy, Y---Stellite, W---valve body direct processing;  
 

(6) Pressure grade code: 10= PN1.0mpa, 16=PN1.6, 25=PN2.5, 40=PN4.0, PN is the domestic pressure code, Mpa is the unit of pressure;  Class150LB=1.6mpa, 300LB=2.5-4.0mpa, Class is the American standard code, LB is the American standard pound unit.  
 

(7)
 Butterfly valve body material code: C---cast steel, P---stainless steel 304, R---stainless steel 316, AL---special alloy steel, Z---cast iron, Q---ductile iron.  


China butterfly valve manufacturer, china butterfly valve factory, china butterfly valve supplier for pneumatic butterfly valve,electric butterfly valve, flanged butterfly valve,wafer butterfly valve,lug butterfly valve,concentric butterfly valve, double eccentric butterfly valve, triple eccentric butterfly valve,double offset butterfly valve, triple offset butterfly valve, rubber lined butterfly valve, PTFE FEP PFA lined butterfly.
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