Zhengzhou Butterfly Valve Factory Co., Ltd.

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Ventilating butterfly valve

Release time:2012-11-2 9:01:42 Source:Zhengzhou Butterfly Valve Factory Co., Ltd. Browsing times:get_hits(176,1,0,"show_i_hits")

entilating butterfly valveCharacteristic

1, convenient opening and closing rapidly, labor saving, small fluid resistance, can often operate.
In 2, and has the advantages of simple structure, small volume, light weight.
In 3, can be transported slurry, a port in the conduit at least accumulate liquid.
In 4, under low pressure, can achieve a good seal.
5, good regulation performance.
Using standard

1, design standards: GB/T12238-1989 JB/T8692-1998
2, flange connection dimension: GB/T9115.1-2000
In 3, the length of the structure h:GB/T12221-1989
4, pressure test: GB/T13927-1992; JB/T9092-1999

Technical parameters

Nominal diameter of DN (mm) 50 ~ 2000
Nominal pressure PN (Mpa) 0.05 0.25 0.6
Test pressure strength test 0.075 0.375 0.9
Sealing test ≤ 1.5% leakage
Applicable medium gas, including the dust gas, flue gas
Application of temperature gas drive, electric drive.

Materials for main parts

Part nameValve bodyValve plateValve shaft
Material scienceCarbon steelCarbon steelCarbon steel
Stainless steelChromium nickel molybdenum steelChromium molybdenum steel
Chromium nickel molybdenum steelStainless steelStainless steel
Chromium molybdenum steelChromium molybdenum steel2Cr13

Connecting flange size  

DNDD1LL1L2N- Ф DB
3004053701207162208-1210
3504554201407862408-1410
40050547014092427012-1810
45057053016099929512-1810
500620580160107932512-1810
600720680180114038016-1812
700820780180124043016-1812
800920880200135049016-1812
9001040990200145054016-1814
100011401090220155059020-1814
110012401190220180064020-1814
120013401290240190069020-1814
130014401390240202076020-1816
140015401490260212081024-1816
150016401590260222086024-1816
160017401690280239098024-1816
1700184017902802590103028-2216
1800194018903002709109628-2216
1900204019903002826114632-2216
2000215020903202926119632-2616
2200236023003403126129636-2616
2400256025003603326139636-2618
2600276027003803526149640-2618
2800296029004003726159640-2618
3000319031104004098169844-3018
3200339033104404338179844-3020
3400359035104404578189848-3020
3600379037104804780199848-3020
3800400039104805000209852-3022
4000421041205205200221052-3022

Copyright © the 2012 Copyright Zhengzhou Butterfly Valve Factory Co., Ltd. Henan ICP 10017893 No. ofThe contacts:Mr Yang 18638587506Tel :0371 -68921556Fax :0371-68,924,295
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