Worm wheel type soft seal butterfly valve

Product overview

Product model: D341X

Nominal diameter: DN50~1000mm

Nominal pressure: PN0.6~1.6MPa

Applicable temperature: ≤120℃

Material: all kinds of rubber, PTFE

Drive modes: manual, worm and worm gear drive, pneumatic drive and electric drive.

Applicable media: air, water, sewage, steam, gas, oil and other design standards: GB/T2238-1989

Flange connection size: GB/T9113.1-2000; GB/T9115.1-2000; JB78

Length: GB/T12221-1989

Pressure test: GB/T13927-1992; JB/T9092-1999


Product Detail

Product overview

 Worm wheel flange soft seal butterfly valve is suitable for regulating flow and intercepting medium in water supply and drainage and gas pipelines of food, medicine, chemical industry, petroleum, electric power, light textile, paper making, etc. with temperature ≤120℃ and nominal pressure ≤1.6MPa.


Main technical parameters

Nominal diameter
DN(mm)
50~2000
Nominal pressure
PN(MPa)
0.6
1.0
1.6
Testing pressure
Strength test
0.9
1.5
2.4
Pressure test
0.66
1.1
1.76
Gas seal test
0.6
0.6
0.6
Applicable medium
Air, water, sewage, steam, gas, oil, etc.
Driving form
Manual, worm and worm gear transmission, pneumatic transmission and electric transmission.


Material of main parts

Ppart name
Material
Body
All kinds of rubber, PTFE
Butterfly plate
Gray cast iron, nodular cast steel, cast steel, stainless steel and special materials.
O-ring
Nodular cast steel, cast steel, alloy steel, stainless steel
Valve rod
2Cr13、stainless steel
Filling
O-ring, flexible graphite

蜗轮法兰式软密封蝶阀(图1)

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

DNLDD1D2bfN-d0AKEFHH1H2Φ2N-d1
501081651251021834-Φ18180655013833382812.64-Φ7
651121851451221838-Φ18180655013933582812.64-Φ7
801142001601382038-Φ182456550131004132812.64-Φ7
1001272201801582038-Φ182409070131144282815.774-Φ10
1251402502101882238-Φ182409070131254442818.924-Φ10
1501402852402122238-Φ223509070131435532818.924-Φ10
20015234029526824312-Φ22350125102131706783822.14-Φ12
25016540535532026312-Φ26550125102131987423828.454-Φ12
30017846041037828412-Φ26600125102202238033831.64-Φ12
35019052047043830416-Φ26600150125202708664531.64-Φ14
40021658052549032416-Φ30600175140203009405133.154-Φ18
45022264058555040420-Φ30750175140203409955137.954-Φ18
50022971565061044420-Φ337501751402235510585741.124-Φ18
60026784077072554520-Φ367502101653041011637050.634-Φ22
70029291084079540524-Φ367503002543047812836663.358-Φ18
800318102595090042524-Φ397503002543052913986663.358-Φ18
90033011251050100044528-Φ391250300254345841498118758-Φ18
100041012551170111546528-Φ421500300254343571608142858-Φ18
120047014851390133052532-Φ4815003502983479918761501058-Φ22


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