This standard specifies the terminology, type, basic parameters, technical requirements, test methods, inspection rules, marking and packaging of thermal expansion valves for refrigeration. This standard is applicable to general thermal expansion valves for refrigeration with an evaporation temperature of -40~10℃ and refrigerants of R12, R22 and R502. JB/T 3548-1991 Thermal expansion valves for refrigeration with R12, R22 and R502 JB/T3548-1991 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T3548
R12 Section R22 Section R502
1991-07-22 Gu Tea
Jia Kui Wa Art
Zhang Xianji
1992-07-01 Xiao Suo
Ji Jia Xin Kui Lu Wa Art Xian
R12 Section R22 Section R502
Xuan Cod Second
Tan Fin
ZBJ73031
Fin grate
3.3 rack
Cuckoo press fill -40~+10 slot
Cancer snake gate
Owl navigation matrix
Fill R12, R22, R502 wheel
Fin "let"
Finally
Finally
Finally
Take a deep breath
Take a deep breath
Take a deep breath
Take a deep breath
Take a deep breath arm
boiled hard kite
world chicken feed chicken
0.05mm fruit disease
ji wheel place fruit phlegm
natural wheel chicken
chat natural chicken
natural head sheath whip
lu squeeze Xiao Fu
1991-07-22 tumor
ji Qiao nitrate
lu moth particle
Su comb second
JB/T3548||tt| |JB354883
Chicken heron cuckoo
Guan fin whip
Dai Miao male leaf
1992-07-01Small
4 Heron owl goose square
88~123
123~156
Fin ● Coberberry
RF12W-9
RF22-17
Owl eye goose square plant
94~1 58
158~193
193~263
Su Jiao Fu
JB/T3548
Chen Ju Zhang
Chen Ju Zhang
Fin Su R12 Branch Soil Leaf
Su R22 Branch Charm Leaf
95~130
130~169
R12 Branch R22 Branch R502
t=40 Trough
t=38 Trough
Ke Goose Head
Tart b Braised Quail
Fill 9kW
Fill 17kW
Dai ZBJ73031
Male 6 Braised
Soil 6 Braised
Ke Ye Shi
Zou Ke Fu
Cuckoo Thief to=5 Durian
Parrot R12
Po=0.36MPa
P o=0.58MPa
Po=0.67MPa
JB/T3548
一p=0.41MPa
一p=0.69MPa
-p=0.69MPa
5 cancer snake
4 oars seconds
burn t=5 fruit
rest 2~8 slot seconds
鷄tumor絶丝無秒
鹞1 .6MPa
Natural leaves
Natural head extreme touch sheath
Treatment 55 slots
Kitty fill 0.2MPa fruit
Squeeze fill 3.5 yuan 1 oar treatment kite
R123MPaR22 section R502 seconds
R22 section R502 seconds
Wings fluttering sandalwood weaving takes seconds
Plant stem type head
Extreme store comfortable Gan hazel type 50000 Lai||tt ||Suburban extreme fruit
He paralyzed me
Special extreme
'Du burning like a warning
Pomegranate filling element 0.3 slot seconds
95% seconds
Suburban extreme
300mL/min Yu grate seconds
Pomegranate filling 3.5 slot seconds
Natural salmon squeeze 40 淨科干
Gu squeeze Ke Han 鹞
3.5 淨科鹞
Treatment disc seconds||t t||Plant auxiliary type 0.5
Squeeze fill yuan 0.2% second
Pry fill π2% second
Xiang Moyi
18 dry cabin purchase
Du Han one type
Charm fins
Science and technology
Dan pipe wheel
Tan Ci Tan
20 Camel shark whip
JB/T3548
Squeeze one type
Fill Ke Boiling Strings|| tt||8 seconds
1 second
2 seconds
Boqing import
6 soil bark
7 spirit drive 8
wait for the natural Jiaona 1 phlegm
7 wrinkle bacteria treatment
3 hibiscus place arm
10 seconds kite sandalwood
5 extended squeeze appointment
8 cool wear drive
5 paralysis scale
T, science T, science T,
rough hip cod
burn 7 slots
hot material duck
send swallow hair device
6 piles of bark
M, science M, science M, hibiscus chicken
cool drive seconds
kite 5 oars fruit fins Su
police boiled kite head extreme virtue
rough burning 13
kiln supervisor
0.05mm seconds
hate dry compilation
kite Imi nXinao seconds
5minTan Xin seconds
JB/T3548
Gan Hall Ray Chicken
Rough 80 yuan 2 slots
Village 3 seconds
Tai Ran Jiao Township 3
Open the cover treatment sulfur string Gan
1 chicken eel
Treatment 55Ⅱ2 slotswwW.bzxz.Net
Long Huanbo
6 leaves
-3.5 slots fruit ● Tan Zi Tan
2.4MPaR123MPaR22R5021.6MPaR122.0MPaR22R5025005min ... t||Spirit drive wear
4 open drive 5
M, science M, kite
Han fistula wear cod meal
press cuckoo item 3.5 slot seconds
track fill 0.2MPa
burn 0 oars wear drive purchase
alert kite fill -3.5
parrot wear press 5 slot fruit
Dai press Korea
tube 5 fruit zen Tan
phlegm Ci plant
crown brown
4 seconds for duck head
3.5 seconds for prying
5 seconds for steaming chicken neck
7.5 seconds for filling
0.05mm seconds
Famous text Huiling
initial opening
JB/T3548
source opening
superheat change
2 seconds for natural
mother head
6.11.1 6.11.2
Dai Du De Mei Gui:
Pressure
Superheat
Steam 20 tanks parrot 10,000 seconds
Refrigerant injection
Refrigerant flow
G2 customer installation point
G, initial point
Pressure injection state
Jia 5 seconds
Opening degree mm
Pressure
|Changes in overheating damage
Overheating degree ℃
6 seconds
JB/T3548
G2-Gbh2-h
Fin grate test
h,Cuckoo' Fin Tu
Extremely comfortable Cuckoo
7 seconds
Ran Jiaona 7 phlegm
Heat remaining test
Boiler Silicon rough alarm
7 head Zhen
kJ/k g seconds
0 oars of Dai Cod
8 Dai Drive
dry salary police
turn over the suburbs
10 kites are finned:
Zhuan fill Gan wheel family
3 decline
Cuckoo Liao Hu 50000 drill seconds
25Hz family spinous channel 1.5mm floating sheath
family cancer snake family
Korean Gan family blue 2h
Qi 7.3 touch sheath
a fin
50~100
100~500
Lotus cod
Hu Han nerve leaf tumor
Hu Ci Jian seconds
Lai Xi Hao crab seconds
Treatment ban Han Ban
Gan hazel 5
One key ten thousand
Eye one memory
Han Zhongde
Magic scrape Deng
Fin heron head
Gu thief dwarf||tt ||Fin Bo cabin seconds
Charming lazy sandalwood
Pei musk skull magic Ying
Cancer mantis dry two speeds
Rongran 1 Bo foot leaves
Fluorine matrix A
Du JB8
Cover two speeds
Han Lu Wei De matrix R
Sandalwood olive sandalwood root
Pu Pompeii purchase
Neck magic boiled fruit plant
Sandalwood bad general sandalwood cod
Qing Mo Wei
Qing Mo set Lu||tt| |Tungsten Science God
Line Petal Second
JB/T3548
Flying Cancer Flame
Cancer Matrix Science Extreme
Melancholy Heron Waiting
Magic Burning Meal
Magic Boiling Fruit
Ke Ran Falling Plant-like
String Extreme Charm Heron
Korean Face Shuang Mei Fin
Cheek Science Second
Chicken Police Cover
Sperm Cover Second
Olive Plant Art
Tantrum He Boiled seconds
cheek art kuei
R12 department R22 department R502
JB/T3548
100044
lying 880b1230
for section 3/4
square 18,000
1991table 10 cabin wheel
1991nest 10 antelope wheel coke flounder
Dai 1500
Pengxian pole key
value 1.20 wing
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