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D641F Pneumatic Fluorine Lined Butterfly Valve

Product overview

Product model: D641F
Nominal diameter: DN50 ~ 1000mm
Nominal pressure: PN0.6~1.6MPa
Body material: ductile cast steel, cast steel, stainless steel +F46
Applicable temperature: -30 ~ +70℃
Applicable medium: all kinds of strong corrosive medium
Design standard: GB/T2238-1989
Flange connection size: GB/T9113.1-2000;GB/T9115.1-2000;JB78
Structure length: GB/T12221-1989
Pressure test: GB/T13927-1992;JB/T9092-1999

D641F Pneumatic Fluorine Lined Butterfly Valve product details

D641F Pneumatic Fluorine Lined Butterfly Valve product overview

D641F Pneumatic Fluorine Lined Butterfly Valve produced and sold by Baigang valve group with a spherical sealing surface of PTFE-lined butterfly plate, pneumatic fluorine fluorine butterfly valve operation light, tight sealing performance, long service life; can be used for rapid cut off or regulate the flow of use. Pneumatic butterfly valve PTFE lining is required for reliable sealing and good regulation of the occasion. The valve body adopts the split type, and the seal at the two ends of the valve shaft is controlled by the fluorinated rubber on the rotating base surface between the valve disc and the valve seat; the valve shaft is not in contact with the fluid medium in the cavity. PTFE pneumatic butterfly valve is widely used in various types of industrial pipes in the liquid and gas (including steam) transport, the use of serious corrosive media, such as: sulfuric acid, hydrofluoric acid, phosphoric acid, chlorine, alkali, Wang Water and other media with strong corrosive.

Fluoride-lined butterfly valve with PTFE, FFC, F46 and Fluoroplastics lined butterfly valves with corrosion resistance, no leakage and long service life. Lined PTFE pneumatic butterfly valve for concentrated sulfuric acid, hydrochloric acid, nitric acid, hydrofluoric acid, aqua regia, a variety of organic acids, acid, oxidizing medium or high temperature olefin acid, high temperature concentrated acetic acid, acid and alkali alternating and a variety of organic solvents and other Strong corrosive media.

D641F Pneumatic Fluorine Lined Butterfly Valve main features:
1, small and lightweight, easy disassembly and maintenance, and can be installed in any location.
2, the structure is simple, compact, 90 ° turn quickly open. 3
3, operating torque, light and labor-saving.
4, flow characteristics tend to be straight, good performance.
5, sealing material aging resistance, corrosion resistance, applicable to a variety of media.

D641F Pneumatic Fluorine Lined Butterfly Valve main technical parameters

1, the valve body

Body form	Direct casting butterfly valve
Nominal diameter	DN50 ~ 1000mm
Nominal pressure	PN1.0, 1.6 MPa
Flange standard	JIS B220, JB / T79, ANSI B16.5-1981, GB / T9113, HG20594-97, HG20618-97, etc.
Connection Type	Flange, the folder-type
Cover form	Integrated
Gland type	Gland compression
Sealed packing	V-type PTFE filler, flexible graphite filler

2, the valve parts

Valve plate form	Vertical plate (butterfly)
Flow characteristics	Linear

3, the implementing agency

Actuator model	GT series, SR series, AT series, AW series of single-and double-acting pneumatic actuator
Supply pressure	400 ~ 700KPa
Air source interface	G1 / 4 ", G1 / 8", G3 / 8 ", G1 / 2"
Ambient temperature	-30 ~ +70 ℃
The role of form	Single-acting actuator: Off Gas formula (B) - loss of gas when the valve opening (FO); open air (K) - loss of gas when the valve closed position (FC) double acting actuator: Off Gas formula (B ) - Leakage valve position to maintain (FL); open air (K) - loss of valve position to maintain (FL)
Can be equipped with accessories	Positioner, Solenoid valve, Air filter pressure reducer, Relief valve, Stroke switch, Valve position transmitter, Hand wheel mechanism, etc.

D641F Pneumatic Fluorine Lined Butterfly Valve main performance indicators

Nominal diameter	DN (mm)	50 ~ 1600
Nominal pressure	PN (MPa)	0.6	1.0	1.6
test pressure	Strength test	0.9	1.5	2.4
	Seal test	0.66	1.1	1.76
	Gas seal test	0.6	0.6	0.6
Suitable media	Various types of corrosive media

D641F Pneumatic Fluorine Lined Butterfly Valve shape connection size

Nominal diameter DN (mm)		50	65	80	100	125	150	200	250	300	350	400	450	500	600	700	800	900	1000
L		90	90	100	115	130	140	150	250	270	290	310	330	350	390	430	470	500	550
L1		43	46	49	56	64	70	71	76	83	92	102	113	127	154	165	190	203	216
H	Flanged	63	70	83	105	115	137	164	206	230	248	289	320	343	413	478	525	585	640
H	Clip-on	63	70	83	105	115	137	164	206	230	248	289	320	343	413	478	525	585	640
n-φd		4-18	4-18	8-18	8-18	8-18	8-22	12-22	12-26	12-26	16-26	16-30	20-30	20-33	20-36	24-36	24-39	28-39	28-42
H1		According to the allocation of implementing agencies may be
A		Depending on the torque required by the valve, the configuration of different models, dimensions are not the same
D		165	185	200	220	250	285	340	405	460	520	580	640	715	840	910	1025	1125	1255
D1		125	145	160	180	210	240	295	355	410	470	525	585	650	770	840	950	1050	1170

Note: the size of the table without standard attachment data. The other due to product improvement technical innovation parameters may have some changes, please consult the company's technical department for the latest data.

Reminder:

All text, data and pictures in this article are for reference only.To see more details of the D641F Pneumatic Fluorine Lined Butterfly Valve performance parameters, structural dimension parameters, pricing, etc., or to request high quality printing samples, please Contact us.

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