This standard applies to butterfly valves and ball valves for water inlet valves of large and medium-sized turbines. JB/T 9576-2000 Large and medium-sized turbine water inlet valve series JB/T9576-2000 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T9576
2000-04-24
2000-10-01
JB/T9576
This standard is a revision of JB/Z188-82 Large Turbine Inlet Valve System. This revision has made the following 6 changes:
1 The discus type butterfly valve series in the original B/2188--82 series has been cancelled. 2 "2 Reference Standards" has been added.
3 "Nominal diameter" in the standard has been changed to "nominal diameter" 4A6 has added "Note: If the inner diameters on both sides are different, the smaller value shall be taken" 4
"Appendix A, B, C, D" have the same effect as the text. 6 Each table is added with the serial number of the newly designed door in recent years. This standard will replace JB/Z188-82 from the implementation date. This standard is proposed and managed by Harbin Large Electric Motor Research Institute. The drafting unit of this standard is Dongfang Electric Motor Co., Ltd. The drafter of this standard is Lin Hongde. The drafting group members of this standard are Li Zheng, Wang Xicheng and Shi Zenglian. 1 This standard is applicable to butterfly valves and ball valves for water inlet valves of large and medium-sized turbines. 2 Reference standards The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. At the time of publication of the standard, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the following standards to promote the latest version. GB/T14478-1993 Basic Technical Conditions for Inlet Valves of Large and Medium-sized Turbines 3 The nominal diameter and water level of the newly designed butterfly valve shall refer to the provisions of Table 1. Matters not specified in this standard shall comply with the provisions of GB6/T14478. If there are special requirements, the buyer shall negotiate with the manufacturer.
Table 1!
Butterfly valve series water section division
Nominal diameter
First water head section
Nominal diameter of the newly designed ball valve
Second water head section
Third water head section
First water head section
Generally determined according to Table 2. Matters not specified in this standard shall comply with the provisions of GB/T14478. If there are special needs, they shall be determined by the ordering party and the manufacturer through consultation.
JB/T95762000
Table 2 Ball valve series
Nominal diameter
200 meters
5 Method for compiling water inlet valve models, basic parameters and basic dimensions, external dimensions of bypass valves and external drawings of water inlet valves.
The method for compiling water inlet filter models, basic parameters and basic dimensions, external dimensions of bypass valves and external drawings of water inlet valves are shown in Appendix A, Appendix B, Appendix C and Appendix D
Method for compiling valve serial numbers
JB/T95762000
Instructions for compiling water inlet valve models
Nominal diameter of valve (Gm)
Type of operating mechanism
Electrical layout
The highest static water head that the valve can withstand (certificate)
Valve type
Valve type code is expressed in Chinese phonetic letters: A2
a) Flat butterfly valve PDF:
5 Ball valve QF,
3The highest static water head refers to the highest static water head that the horizontal center line of the valve can withstand after the valve is closed (unit: m) A3
Valve shaft arrangement is expressed in Chinese phonetic letters: A4
a) Horizontal shaft w:
b) Vertical shaft L.
A5Type of operating mechanism is expressed in Chinese phonetic letters: a) Hydraulic operation;
b) Water music operation C
C) Electric operation D;
d) Manual operation S.
A6 valve nominal diameter
refers to the flow-following inner diameter of the body at the connection with the upstream and downstream pressure water pipes. (Unit: Cr) Note: If the inner diameters on both sides are not the same, the smaller one should be used. Flat type butterfly continues to read the base. Small parameters see B1.B1Www.bzxZ.net
PDF1S——
9F50---5D-120
PbE30——12G
PF100—Y—12
PDF100—Y—L35
FDF210-Y 195
PDF70—Y—153
PCF130-T[-[50
PCF1FN--IY---130
FCF200-- T[--LE0
PIF30——175
PUP110--L7S
+- POF150--TF---75.
POF200--TF---75
PDP45—RY—20
PDF70—TY—2KI
PCFB0—TY-—2CH1
FCF110rr--2D0
Diameter" Type
French end 233
Micro 550
Force 200
Real 1591||tt ||Relay 31
1i-130
JB/T9576
Basic parameters and basic dimensions of water inlet doors
Jade parts
Flat type butterfly system basic parameters
Holy seal knot
Change to evil style
Because of the belt type, I will give the form
Solid rubber
Solid·Replacement rubber
Shallow heart brown rubber
Solid mold rubber
Solid root
234. Solid steady blowing
Solid photo glue
Solid psychological glue
Solid glue
Solid silver glue
Zhongqi case belt
Annual gas,%
Heart silver glue
Air certificate
Wenxin most glue
Hengqi belt
Solid rescue
Zhundamen
A full week
Disc hammer and||tt ||Shake and lift force
Electric rate
Probe and support device
Disk hydroxyl and
Slow swing and strong
Model device
According to the technical device
Sen simple aid will
Shake and hold the line
According to the small and quiet
Long exploration report
Throw and take the camera
Photo support force device
Photo control device Small device
Egg servo and
Control relay
Lift the servo
Chapter Ji and
Twist relay station
Operation structure
Beijing color (na)
Zhong 500
Zhong 390
Force rack
Line (m)
According to the main
Side by side practice
Zhong 150
Medium 150
Medium 250
Air valve
Medium 1om
Medium 1G0
Medium 150
Medium 260
Medium 100
PDF4RWY-—220
PFT0TY—22
-PDF-235—Y—240
FDF:60-W-242
PDF48—WY—250
POF:15—2%:1
PDF34—WY—2G0
FDF75:WY -260
PDF56—W—300
-120
PF78—W—343
PEF8C--WY --37
PE5Y2C
PIF230—Y—-42U

Operation mechanism
Quantity chain 18445
Model 3360
2·130
Address 1903
Relay volume 188-1
4th edition 7650
Find %6800
13 155
2359 yuan
JB/T9576
Qiu BL (end]
Yuefeng structure
Belt type
23230【793
Air belt
A gas belt
Solid gum
Solid press insurance
Fang Han school||t t||East Heart Hospital
room many letters of responsibility
space is the test
solid grid
grid note: rubber liquid
parents marry school
heart teaching release
heart school school
solid long
dense salt film
electric method
on the leading state
color style
according to Enclose relay
Strive to shake long force
Re-understand drink
Sexual pressing belt energy
Catch vortex and get knife
Fly to send blanket power tea
Shake and press heat belt
Child protection belt
Shake and lift knife receiver
Quickly dismantle
Send force device
Explore shallow knife device
Shake method to take power|| tt||Point screening point
Original deep image knife base
40c, 4
Ruiyuan Anfang device
Certified force device
Qutong knife dismantling device
According to the law, the small device
Lowering mechanism
Relay
Diameter【>
Medium 753
Medium 500
9 502
Line (nm)
Operating pressure
Service room
250
250
300
4n0
200
250
300
B2 flat plate butterfly valve basic dimensions must be shown, its appearance drawing is shown in Appendix D Student number
PUE6O-C
---100
POF130-TY--120
PLF100
TEF10CHYL3
POF2 10-P1--L35
PUF70-FY --154
PUFL30-R
P2I:60 -·W1SC
PIFTUSY
PF150—Y—175
PF200175
PDF70-
FY-- 2GC
中1470
中1590
151930
中1920
中250
中2390
中2285
中2260
中1250
中1900
中1780
中2160
cp2330
Φ2400
JB/T9576
Flat butterfly curve basic size
142x 1000
36×1800
N+2×1000
k56X14cO
H42X1080
H42×L030
M8× L400
421250
455×141
56x1200
M6BX1250
H56x1200
1p 200
electric 260
. 0 300 | |tt | t||PDF7S-TE-280
PIF65-—r:—30H)
PF42—320
FEF12U-
PDFSC--RY | |tt | |H48X1500
H56X1709
H56X:T03
N59X10
6-×15c0
y.64x1500
u.64×15m
Low center.
For the basic piano numbers of 4G0
B3 spherical flash, see Table B3.
QF41W—50
SF50O-9T-50
977082-50
QF:00--M5C
GF300-WY-50
QF4—Y-50
UEE 9T BS
SF300-Y
AFTF-83
10...F200
DF620—FY—-IGO
F6ia0-
GF39(——KT 12G
5UE240—Y—130
5F3201-—50
F--EG
QF540——L75
QF-400#r20
02375—RC—225
HY3-0. 3 A
HYz—a.5 a
HYT- - D. 5 a
Y2—2. 5
Operating mechanism
Pressure factor
1153C0
.30.99
Re-pass:303
Connector L652
22-400
JB/T9576
Table R3 comprehensive valve basic parameters
Dense plan structure
Maximum temperature||tt ||Some sealing rings
Stop satisfaction
Stop leakage ring
Positive cat ring
Positive Guole
Shangquwai
Huidong ring
Shanghai Huan
Stop editing benefits
Stop correct products
Upper balance ring
Positive surge ring
Stop adjustment cover
Operation shadow type
Check simple relay
Finally fixed on the valve body
Super torque device
Tube enzyme relay
Intermediate method
Real simple servo
Super shaking
Reporting relay
Commercial servo
Super wet exchange
Fixed relay, etc.
Injection servo
500/160||tt| | Relay in shape,
Left buried servo
Yao strong pancreatic servo
Relay pad
According to the big energy
Zhong 0/09
Ring servo
Reporting the relay
The most medical technology and health energy
Real and style device
Relay
Working machine protection
Paint servo
Q: 405
Stroke (an)
Select some Leli
East Yingyu
中100
中150
Air valve
中100
B4 The basic dimensions of the shape are shown in Table E4: Its appearance is shown in Appendix D. Sequence
QFSON-W--50
CF1000-50
QF30D-
F40065
OF500-—P
中950
QF20DWY 100D中214
F240...100
QF600——100
QF20160
QF400—Y—203
4-2240 4 1360
中2419
中950
133c 1 -23301180
340Gru
E0D E70
760120
：19x1
JB/T9576
Table B4 Basic size of ball valve
E60 i ac
1151415
s001530
3:12 1:0
1O :100)
2450522C
412×4. 5
W36×620
Ne2x1000
W4ZXBOG
W42 X HO:
H36 |tt||HE2 320
JB/T95762000
Bypass valve dimensions
The dimensions of the hydraulic stop valve (can be used as bypass) produced by Qingdao Power Station Valve Factory are shown in Figure C1 and Table: Basic parameters
Valve working pressure: 2.s MPa.
Servomotor operating oil pressure 2.5~4.0 MPa. D
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