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Ïðèìåíåíèå
Äëÿ çàùèòû òðóáîïðîâîäîâ îò îáðàòíîãî ïîòîêà ðàáî÷åé ñðåäû. Ïðåäíàçíà÷åí äëÿ òðóáîïðîâîäîâ, òðàíñïîðòèðóþùèõ òåõíè÷åñêóþ ãîðÿ÷óþ, õîëîäíóþ âîäó, ïàð, íåéòðàëüíûå ñðåäû.
Óñòàíîâêà
Îáðàòíûé êëàïàí ïîäúåìíûé ñ ïðóæèíîé (ñòàíäàðòíîå èñïîëíåíèå) ìîæåò óñòàíàâëèâàòüñÿ êàê â ãîðèçîíòàëüíîì, òàê è â âåðòèêàëüíîì ïîëîæåíèè. Îáðàòíûé êëàïàí ïîäúåìíûé áåç ïðóæèíû ìîæåò óñòàíàâëèâàòüñÿ òîëüêî â ãîðèçîíòàëüíîì ïîëîæåíèè êðûøêîé ââåðõ.
Ìàðêèðîâêà êëàïàíà
Тåõíè÷åñêèå õàðàêòåðèñòèêè
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Çàâîäñêàÿ ìîäèôèêàöèÿ
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31-òàðåëêà ñ ïðóæèíîé - ñòàíäàðò 38-òàðåëêà ñ ïðóæèíîé, êîðïóñ ïîêðûò PTFE
41- òàðåëêà áåç ïðóæèíû
32- âíóòðåííèå äåòàëè - áðîíçà
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Óñëîâíûé äèàìåòð, ìì
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15 – 300
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Óñëîâíîå äàâëåíèå, ÌÏà
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Ñ – 1,6 (DN15–300 ìì)
D – 2,5 (DN15–200 ìì)
E – 4,0 (DN15–200 ìì)
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Òåìïåðàòóðà, ìàêñèìàëüíàÿ
(â çàâèñèìîñòè îò ìàòåðèàëîâ êîðïóñà)
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À – 300°Ñ - ÷óãóí
Ñ – 350°Ñ - ñôåð. ÷óãóí F – 400°Ñ - óãëåð. ñòàëü Å – 225°Ñ - áðîíçà
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Ñðåäà
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âîäà, âîäÿíîé ïàð è äðóãèå æèäêîñòè
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Ïðèñîåäèíåíèå
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Ôëàíöåâîå
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Ìèíèìàëüíîå äàâëåíèå îòêðûòèÿ, ÌÏà
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0,005-0,01
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Ñïåöèôèêàöèÿ (âåðñèÿ êëàïàíà 287-À)
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Çàâîäñêàÿ ìîäèôèêàöèÿ
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31-òàðåëêà ñ ïðóæèíîé - ñòàíäàðò 38-òàðåëêà ñ ïðóæèíîé, êîðïóñ ïîêðûò PTFE
41- òàðåëêà áåç ïðóæèíû
32- âíóòðåííèå äåòàëè - áðîíçà
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Óñëîâíûé äèàìåòð, ìì
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15 – 300
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Óñëîâíîå äàâëåíèå, ÌÏà
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Ñ – 1,6 (DN15–300 ìì)
D – 2,5 (DN15–200 ìì)
E – 4,0 (DN15–200 ìì)
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Òåìïåðàòóðà, ìàêñèìàëüíàÿ
(â çàâèñèìîñòè îò ìàòåðèàëîâ êîðïóñà)
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À – 300°Ñ - ÷óãóí
Ñ – 350°Ñ - ñôåð. ÷óãóí F – 400°Ñ - óãëåð. ñòàëü Å – 225°Ñ - áðîíçà
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Ñðåäà
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âîäà, âîäÿíîé ïàð è äðóãèå æèäêîñòè
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Ïðèñîåäèíåíèå
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Ôëàíöåâîå
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Ìèíèìàëüíîå äàâëåíèå îòêðûòèÿ, ÌÏà
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0,005-0,01
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Çàâèñèìîñòü «Òåìïåðàòóðà – Äàâëåíèå»
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ìàòåðèàë/ òåìïåðàòóðà
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÷óãóí EN-GJL-250
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côåð. ÷óãóí EN-GJS-400
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ñòàëü GP240GH+N
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Ðó1,6
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Ðó2,5
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Ðó4,0
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-10
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1,6
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2,5
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4,0
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120
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1,6
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2,5
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3,68
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180
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1,34
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2,33
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3,44
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200
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1,28
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2,3
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3,33
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250
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1,12
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2,18
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3,04
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300
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0,96
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2,0
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2,67
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350
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-
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1,75
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2,57
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400
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-
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-
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2,38
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Ïàðàìåòðû êëàïàíà V287-À-ÕÕ-Ñ-31
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DN (ìì)
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Êîä äëÿ çàêàçà#
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Ðàçìåðû, (ìì)
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Ìàññà, (êã)
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Dz
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Dp
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Do
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d
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n*
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f
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h
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H
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L
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|
15
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Z11.26M2.35
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95
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45
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65
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14
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4
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2
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5
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56
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130
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2,1
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20
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Z11.26M2.45
|
105
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58
|
75
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14
|
4
|
2
|
5
|
56
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130
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2,7
|
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25
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Z11.26M2.55
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115
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68
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85
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14
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4
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2
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8
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67
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160
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3,8
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32
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Z11.26M2.65
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140
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78
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100
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19
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4
|
2
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8
|
76
|
180
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5,5
|
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40
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Z11.26M2.75
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150
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88
|
110
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19
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4
|
3
|
11
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89
|
200
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7,4
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50
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Z11.26M2.85
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165
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102
|
125
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19
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4
|
3
|
14
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96
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230
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9,5
|
|
65
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Z11.26M2.95
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185
|
122
|
145
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19
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4
|
3
|
17
|
104
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290
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15,0
|
|
80
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Z11.26M2.105
|
200
|
138
|
160
|
19
|
8
|
3
|
21
|
124
|
310
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20,0
|
|
100
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Z11.26M2.115
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220
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158
|
180
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19
|
8
|
3
|
25
|
161
|
350
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29,0
|
|
125
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Z11.26M2.125
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250
|
188
|
210
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19
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8
|
3
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32
|
174
|
400
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41,0
|
|
150
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Z11.26M2.135
|
285
|
212
|
240
|
23
|
8
|
3
|
38
|
197
|
480
|
65,0
|
|
200
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Z11.26M2.145
|
340
|
268
|
295
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23
|
8
|
3
|
50
|
248
|
600
|
111
|
|
250
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Z11.26M2.155
|
405
|
320
|
355
|
23
|
12
|
3
|
65
|
333
|
730
|
196
|
|
300
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Z11.26M2.165
|
460
|
378
|
378
|
23
|
12
|
3
|
95
|
375
|
800
|
302
|
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