Soft seal flange butterfly valve

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Soft seal flange butterfly valve

Product model: D341X
Nominal diameter: DN50 ~ 1000mm
Nominal: PN0.6 ~ 1.6MPa
Temperature: ≤120 ℃
Body Material: kinds of rubber, PTFE
Drive forms: manual, worm gear, gas transmission, electrical transmission
Medium: air, water, water, steam, gas, oil, etc.
Flange connection: GB / T9113.1-2000; GB / T9115.1-2000 ; JB78
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product description

Soft seal butterfly valve for the temperature ≤ 120 ℃, nominal pressure ≤ 1.6MPa of food, medicine, chemicals, petroleum, electricity, textile, paper and other water supply and drainage, gas pipeline for regulating the flow and the role of interception medium. Its main features are: 
 1, the design of new, reasonable, unique structure, light weight, opening and closing quickly. 
 2, operating torque is small, easy to operate, effort and dexterity. 
 3, can be installed anywhere, easy maintenance. 
 4, the seal can be replaced, sealing performance reliable to achieve two-way seal zero leakage. 
 5, sealing materials resistant to aging, corrosion resistance, long service life and so on.


 Standard
 Design standard: GB / T2238-1989 
 Flange connection size: GB / T9113.1-2000; GB / T9115.1-2000; JB78 
 Structural length: GB / T12221-1989 
 Pressure test: GB / T13927-1992; JB / T9092-1999 
 
Main technical parameters

Nominal diameter
DN (mm)
50 ~ 2000
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
Applicable media
Air, water, sewage, steam, gas, oil and so on
Driven form
Manual, worm gear drive, air drive, electric drive


 The main part of the material

Part Name
material
Body
All kinds of rubber, PTFE
Butterfly board
Gray cast iron, ductile steel, cast steel, stainless steel and special materials
Sealing ring
Ductile steel, cast steel, alloy steel, stainless steel
Stem
2Cr13, stainless steel
filler
O-ring, flexible graphite O


 Butterfly valve sealing material selection and applicable temperature

Material varieties
Neoprene
Nitrile butadiene rubber
Ethylene-propylene rubber
Teflon
Silicone Rubber
fluororubber
Code
X or or J.
XA or or JA
XB or or JB
XC, JC or or F
XD or or JD
XE or or JE
Resistant to maximum temperature
82 ° C
93 ° C
150 ° C
232 ° C
250 ° C
204 ° C
Resistant to minimum temperature
-40 ℃
-40 ℃
-40 ℃
-268 ° C
-70 ° C
-23 ° C
Applicable operating temperature
≤65 ℃
≤ 80 ℃
≤ 120 ℃
≤ 200 ℃
≤ 200 ℃
≤ 180 ℃


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   Main dimensions and weight (PN1.0 / 1.6MPa)

DN 
(mm)		ABCDD1D2D3D4D5LL1L2ndafn-d1Weight 
WT (kg)
50831302052.91251659957.1565108111324-1990 °34-77.6
65931452064.514518511857.1565112115324-1990 °34-79.7
801001552278.81602013269.8565114117328-1945 °34-710.6
1001141702410418022015669.8590127130328-1945 °34-1013.8
12512519026123.321025018469.8590140143328-1945 °34-1018.2
15014320526155.624028521188.990140143328-2345 °34-1021.7
20017023526202.529534026688.9125152155458-23 
12-23		45 ° / 30 °34-1431.8
25019828028250.5350/355395/405319107.951251651684512-23 
12-28		30 °34-1444.7
30022331028301.5400/410445/460370107.951501781824512-23 
12-28		30 °44-1457.9
35027934030333.3460/470505/520429158.751501901944516-23 
16-28		22.5 °44-1481.6
40030037532389.6515/525565/580480158.7517521622151.2 / 7216-28 
16-31		22.5 °44-20.6106
45034543032440.5565/585615/640530158.7517522222751.2 / 7220-28 
20-31		18 °44-20.6147
50035550034491.6620/650670/715582215.921022923452.75 / 77.520-26 
20-34		18 °44-20.6165
60041056036592.5725/770780/84068225421026727270.2 / 8220-31 
20-37		18 °54-22235
70047862040695840895/91079425430029229966/8224-31 
24-37		15 °58-18338
80052962044794.79501015/102590125430031832566/8224-34 
24-40		15 °58-18475
90058466546864.710501115/1125100125435033033811828-34 
28-40		12.9 °58-22595
1000657735509651160/11701230/1255111225435041041714128-37 
28-43		12.9 °58-22794
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