BB zarb qilingan po'latdan yasalgan eshik valfi DN15-DN100
Hajmi diapazoni va bosim klassi
Hajmi 1/2" dan 4" gacha (DN15-DN100)
150LBS dan 1500LBS gacha bo'lgan bosim (PN16-PN240)
Dizayn standartlari
Standartlarga muvofiq dizayn / ishlab chiqarish
API 6D;ASME B16.34;DIN 3357;EN 13709;GB/T12237;BS5351
Yuzma-yuz uzunligi (o'lchami) standartlarga muvofiq
ASME B16.10;EN 558-1 Gr.14 (DIN 3202-F4);DIN 3202-F5;DIN 3202-F7;BS5163
Standartlarga muvofiq flanesli o'lcham
ASME B16.5;EN 1092-1;BS4504;DIN2501;
ASME B16.5 (2" ~ 24") va ASME B16.47 seriyali A / B (26" va undan yuqori) gardishli qisqichlar / uyalar so'rov bo'yicha tugaydi.
Standartlarga muvofiq sinov
API 598;API 6D;EN 12266-1;EN 1074-1;ISO 5208
Texnik xususiyatlari
Soxta po'latdan yasalgan eshik klapanining afzalliklari
1. Kichik suyuqlik qarshiligi.
2. Ochilish va yopish uchun zarur bo'lgan tashqi kuch kichik.
3. Muhitning oqim yo'nalishi cheklanmagan.
4. To'liq ochilganda, muhrlangan sirt ishchi vosita tomonidan to'xtash valfiga qaraganda kamroq eroziyalanadi.
5. Tana shakli nisbatan sodda, quyish jarayoni esa yaxshiroq.
Soxta po'lat eshikli valfning kamchiliklari
1. Tashqi o'lchamlari ham, ochilish balandligi ham nisbatan katta.O'rnatish uchun kattaroq joy talab qilinadi.
2. Ochilish va yopish jarayonida muhrlangan yuzalar o'rtasida nisbiy ishqalanish mavjud bo'lib, bu chizishlarga olib kelishi oson.
3. Soxta po'latdan yasalgan eshik klapanlari odatda ikkita muhrlangan sirtga ega bo'lib, ular qayta ishlash, silliqlash va texnik xizmat ko'rsatishda ba'zi qiyinchiliklarni keltirib chiqaradi.
Qurilish materiallari
Karbonli po'lat
A105, C22.8/ P250GH (1.0460/1.0432)
Past haroratli karbonli po'lat (LTCS):
ASTM A350 LF2, TStE355 / P355QH1 (1.0571/1.0566)
Qotishma po'lat:
ASTM A350 LF1/LF3/LF5/LF6/LF9/LF787
Yuqori haroratli po'lat (Chrome Moly)/qotishma po'lat:
ASTM A182 F1, 15Mo3 16Mo3 (1,5415)
ASTM A182 F11, 13 CrMo 4 4/ 13CrMo4-5 (1.7335)
ASTM A182 F22, 10CrMo 9 10 / 11CrMo9-10 (1.7383/1.7380)
ASTM A182 F91, X10CrMoVNb9-1 (1.4903)
Ostenitik zanglamaydigan po'lat / qotishma po'lat:
ASTM A182 F304 X5CrNi1810/ X5CrNi18-10 (1.4301)
ASTM A182 F304L X2 CrNi 19 11 (1.4306)
ASTM A182 F316 X5CrNiMo 17 12 2 / X5CrNiMo17-12-2 (1.4401)
ASTM A182 F316L X2 CrNiMo 17 13 2 / X2CrNiMo17-12-2 (1.4404）
ASTM A182 F316 Ti X6 CrNiMoTi 17 12 2 / X6CrNiMoTi17-12-2 (1.4571)
ASTM A182 F321 X6 CrNiTi 18 10 /X6CrNiTi18-10 (1.4541)
ASTM A182 F347 X6CrNiNb1810/ X6CrNiTi18-10C (1.4550)
ASTM A182 F44 (6MO) (1,4547)
ASTM A182 F20*(qotishma 20#)
Ferritik-Ostenitik / Dupleks / Super Dupleks zanglamaydigan po'lat:
ASTM A182 F51, X2 CrNiMoN 22 5 3 / X2CrNiMoN22-5-3 (1.4462)
ASTM A182 F52, (1.4460)
ASTM A182 F53, X2CrNiMoCuN 25.6.3 (1.4410)
ASTM A182 F55, X2CrNiMoCuWN 25.7.4 (1.4501)
ASTM A182 F60, (1.4462)
Boshqa materiallar
Qotishma 20 ASTM B462 / UNS N08020
Monel 400 / UNS N04400 ASTM B564-N04400 / A494 M35-1 NiCu30Fe (2.4360)
Nikel qotishmasi 904L / UNS N08904 X1NiCrMoCu25.20.5 (1.4539)
Inconel 625 /UNS N06625 /ASTM B564-N06625 /ASTM A494-CW6MC
NiCr22Mo9Nb (2.4856)
Inconel 825 /UNS N08825 /ASTM B564-N08825 /A494 CU5MCuC (2.4858)
NiCr21Mo (2,4858)
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