Labarai - Manual na Aiki da Kulawa na Check Valves

1. Girma

A DN jeri hada DN15mm ~ 600mm (1/2 "~ 24") da kuma PN jeri daga PN1.6MPa ~ 20MPa (ANSI CLASS150 ~ 1500) threaded, flanged, BW da SW lilo da kuma dagawa rajistan bawul.

2. Amfani:

2.1 Wannan bawul ɗin shine don hana matsakaita gudana a baya a cikin tsarin bututu.

2.2 An zaɓi kayan bawul bisa ga matsakaici.

2.2.1WCB bawul ya dace da ruwa, tururi da matsakaicin mai da dai sauransu.

2.2.2SS bawul ya dace da matsakaicin lalata.

2.3 Zazzabi:

2.3.1 Common WCB ya dace da zafin jiki -29 ℃ ~ + 425 ℃

2.3.2Alloy bawul ya dace da zafin jiki ≤550 ℃

2.3.3SS bawul ne dace da zazzabi-196 ℃ ~ + 200 ℃

3. Tsarin da halayen aiki

3.1 Tsarin asali shine kamar ƙasa:

3.2 PTFE da m graphite aka soma ga lalacewa gasket don tabbatar da sealing yi.

(A) Welding ƙirƙira high matsa lamba kai hatimi dagawa rajistan bawul

(B) Welding jabun dagawa cak bawul

Jiki 2. Disc 3. Shaft 4. Gasket 5. Bonnet

(E) BW Swing Check Valve

(F) Duban Swing Flanged

3.3 Babban Abubuwan Abu

Suna	Kayan abu	Suna	Kayan abu
Jiki	Karfe Karfe, SS, Alloy Karfe	Pin Shaft	SS, Cr13
Hatimin kujera	Surfacing13Cr, STL, Rubber	Yoke	Karfe Karfe, SS, Alloy Karfe
Disc	Karfe Karfe, SS, Alloy Karfe	Gasket	PTFE, M Graphite
Rocker Arm	Karfe Karfe, SS, Alloy Karfe	Bonnet	Karfe Karfe, SS, Alloy Karfe

3.4 Jadawalin Ayyuka

Rating	Gwajin ƙarfi (MPa)	Gwajin hatimi (MPa)	Gwajin hatimin iska (MPa)
Darasi na 150	3.0	2.2	0.4 ~ 0.7
Darasi na 300	7.7	5.7	0.4 ~ 0.7
Darasi na 600	15.3	11.3	0.4 ~ 0.7
Darasi na 900	23.0	17.0	0.4 ~ 0.7
Darasi na 1500	38.4	28.2	0.4 ~ 0.7

Rating	Gwajin ƙarfi (MPa)	Gwajin hatimi (MPa)	Gwajin hatimin iska (MPa)
16	2.4	1.76	0.4 ~ 0.7
25	3.75	2.75	0.4 ~ 0.7
40	6.0	4.4	0.4 ~ 0.7
64	9.6	7.04	0.4 ~ 0.7
100	15.0	11.0	0.4 ~ 0.7
160	24.0	17.6	0.4 ~ 0.7
200	30.0	22.0	0.4 ~ 0.7

4. Ka'idar aiki

Bincika bawul yana buɗewa ta atomatik kuma yana rufe faifan don hana matsakaita gudana a baya ta matsakaicin kwarara.

5. Ma'auni na bawul amma ba'a iyakance ga:

(1) API 6D-2002 (2) ASME B16.5-2003

(3) ASME B16.10-2000 (4) API 598-2004

(5) GB/T 12235-1989 (6) GB/T 12236-1989

(7) GB/T 9113.1-2000 (8) GB/T 12221-2005 （9）GB/T 13927-1992

6. Adana & Kulawa & Shigarwa & Aiki

6.1 Ya kamata a adana bawul ɗin a bushe kuma a cikin ɗakin da ke da iska mai kyau .Ya kamata a rufe ƙarshen ƙarshen tare da murfi.

6.2 Bawuloli da ke karkashin ajiya na dogon lokaci ana duba su kuma a tsaftace su akai-akai, musamman wurin zama don hana lalacewa, sannan a shafa fuskar wurin zama da tsatsa da ke hana mai.

6.3 Ya kamata a duba alamar bawul don dacewa da amfani.

6.4 Ya kamata a duba rami mai bawul da saman rufewa kafin shigarwa kuma cire datti idan akwai wani.

6.5 Hanyar kibiya yakamata ya zama iri ɗaya da alkiblar kwarara.

6.6 Ya kamata a shigar da bawul ɗin duba diski a tsaye a tsaye zuwa bututun. Ya kamata a shigar da bawul ɗin duba diski mai ɗagawa a kwance zuwa bututun.

6.7 Ya kamata a duba rawar jiki kuma a lura da canjin matsa lamba na bututun don hana tasirin ruwa.

Matsaloli masu yiwuwa, haddasawa da ma'aunin gyara

Matsaloli masu yiwuwa	Dalilai	Ma'aunin Gyara
Disc ba zai iya buɗewa ko rufewa ba	Hannun roka da igiyar fil ya matse sosai ko wani abu ya toshe Datti yana toshe cikin bawul Duba yanayin wasa Cire datti
Leaka	Bolt ba ya matse ko da Lalacewar hatimin Flange Lalacewar Gasket Daure daidai Gyara Sauya sabon gasket
Surutu da Jijjiga	Valve yana kusa da famfo Matsakaicin matsa lamba bai tsaya ba Matsar da bawuloli Cire canjin matsa lamba

8. Garanti

Bayan an yi amfani da bawul ɗin, lokacin garanti na bawul ɗin shine watanni 12, amma baya wuce watanni 18 bayan ranar bayarwa. A lokacin garanti, masana'anta za su ba da sabis na gyara ko kayan gyara kyauta don lalacewa saboda kayan aiki, aiki ko lalacewa muddin aikin ya yi daidai.

Lokacin aikawa: Nov-10-2020