Butterfly valve

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SHANGHAI HUIXUAN VALVE

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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

Product Description

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.

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Butterfly valve

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D41F4 D41F46 Fluorine lined butterfly valve

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