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Wafer Stainless Steel Butterfly Valve

Product Description

Product Description
Stainless steel butterfly valve D343W-16P DN100 triple eccentric metal hard seal flange butterfly valve
D343H/D373H flange/wafer type stainless steel butterfly valve, the valve body material is made of 304 or 316 stainless steel, the stainless steel material has strong corrosion resistance and excellent performance. It is suitable for occasions with harsh working conditions and high requirements. The valve body structure adopts multi-layer metal hard sealing structure, which has good sealing effect and reliability. Butterfly valve is widely used in metallurgy, electric power, petrochemical industry, water supply and drainage, municipal construction and other industries with medium temperature ≤425℃ On the pipeline, it is used for regulating flow and load-cutting fluid.
Executive standard:
Design specification: GB/T 12238
Structure length: GB/T 12221
Flange connection: GB/T 9113
Test and inspection: GB/T 13927
Product identification: GB/T 12220
Performance parameters:
model
D343H-10
D343H-16
D343H-25
D343H-40
D343H-10P
D343H-16P
D343H-25P
D343H-40P
D343H-10R
D343H-16R
D343H-25R
D343H-40R

model（MPa）
1.0~4.0



proper temperature（℃）
≤425
≤200


Applicable media
Water, oil or non-corrosive media
Nitric acid medium
Acetic acid medium

Material
Valve body, butterfly plate
WCB
CF8/304
CF3M/316L
stem
2Cr13
304
316L

Body sealing surface
Surfacing 507
－
－

Butterfly plate sealing surface
304+ flexible graphite
304＋PTFE
304＋PTFE

filler
Flexible graphite
PTFE
PTFE


D3/6/943H-10/16/25/Main outline and connection dimensions of series butterfly valve (:mm)
Nominal Tongjing(DN)Main dimensionsFlange size and bolt size









1.0MPa1.6MPa2.5MPa









LH1HDD1n-ФdDD1n-ФdDD1n-Фd
501083501121651254-181651254-181651254-18
651123701151851454-181851454-181851458-18
801143801202001604-182001608-182001608-18
1001274201382201808-182201808-182351908-22
1251404601642502108-182502108-222702208-26
1501405551752852408-222852408-223002508-26
2001527602003402958-2234029512-2236031012-26
25016583024339535012-2240535512-2642537012-30
30017889525044540012-2246041012-2648543016-30
35019095028050546016-2252047016-2655549016-33
400216119030556551516-2658052516-3062055016-36
450222125535061556520-2664058520-3067060020-36
500229130538067062020-2671565020-3373066020-36
600267134044578072520-3084077020-3684577020-39
700292152048089584024-3091084024-3696087524-42
8003181710530101595024-33102595024-39108599024-48
90033018105801115105028-331125105028-391185109028-48
100041019606501230116028-361255117028-421320121028-56
120047022507601455138032-391485139032-481530142032-56
140053024358501675159036-421685159036-481755164036-62
1600600278010301915182040-481930182040-561975186040-62
1800670302012302115202044-482130202044-562195207044-70
2000760327013502325223048-482345223048-622425230048-70

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