|
一體式保溫球閥產(chǎn)品特點(diǎn):該產(chǎn)品具有良好的保溫保冷特性,且閥門的通徑與管徑一致,同時(shí)又能有效降低管 路中介質(zhì)熱量損失。主要用于石油、化工、冶金、制藥、食品等各類系統(tǒng)中，以輸送常
溫下會(huì)凝固的高粘度介質(zhì)。
由于采用整體式結(jié)構(gòu)，因而保溫球閥比一般球閥體積更小，重量更輕，且無外漏,密封性能良好，夾套采用碳素鋼管焊接比鑄造的更加耐壓牢固。
技術(shù)規(guī)范Technical Specification
|
設(shè)計(jì)標(biāo)準(zhǔn)
Design Standard
|
ASME B 16.34 GB/T 12224
|
|
結(jié)構(gòu)長度
Structure length
|
ASME B 16.10 GB/T 12221
|
|
連接法蘭
Connecting flange
|
ASME B 16.5 JB/T 79
|
|
驅(qū)動(dòng)方式
Driving manner
|
手動(dòng)、電動(dòng)、氣動(dòng)
Manual,Moton driving,Pneumatil
|
|
試驗(yàn)和檢驗(yàn)
Test & Inspection
|
JB/T9092 API 598
|
|
適用介質(zhì)
Applicable medium
|
重油、膠類等易凝固介質(zhì)
Heavy oil,glue and other easy-clotting medium
|
主要零件材質(zhì)表Form of Major Parts Materials
|
序號(hào)
|
零件名稱
Accessory name
|
材 質(zhì) Material
|
|
GB
|
ASTM
|
|
1
|
夾套 Jacket
|
25
|
A105
|
|
2
|
閥座 Seat
|
WCB
|
A216-WCB
|
|
3
|
閥體 Body
|
25
|
A105
|
|
4
|
密封圈 SealingRing
|
PTFE、對(duì)位聚苯
PTFE、Counterpoint polypheny1
|
|
5
|
球體 Ball
|
|
|
|
6
|
閥桿 Stem
|
1Cr13
|
A247-410
|
|
7
|
填料 Stuffing
|
柔性石墨 Graphite
|
|
8
|
填料壓蓋 Gland
|
WCB
|
A216-WCB
|
注：系列閥門主要零部件及密封面的材質(zhì)可根據(jù)實(shí)際工況條件或用戶特殊要求設(shè)計(jì)選用.
Notes: Major parts of the valve series and materials of sealing surface differ according to actual working condition and custmer’s special requirement.
主要外型及連接尺寸表Main Types and Connecting Dimension
|
公稱通徑 (DN)
|
b
|
L
|
D
|
E
|
Q
|
H
|
W
|
管螺紋
Pipe thread
|
|
(mm)
|
(in)
|
(mm)
|
(in)
|
P
|
|
20
|
3/4″
|
19
|
117
|
40
|
11/2″
|
58.5
|
147
|
101
|
170
|
G3/4″
|
|
25
|
1″
|
25
|
127
|
50
|
2″
|
62.5
|
156
|
106
|
170
|
G3/4″
|
|
40
|
11/2″
|
38
|
165
|
65
|
21/2″
|
63.5
|
181
|
125
|
250
|
G3/4″
|
|
50
|
2″
|
51
|
178
|
80
|
3″
|
68
|
218
|
135
|
250
|
G3/4″
|
|
80
|
3″
|
76
|
229
|
150
|
6″
|
82
|
275
|
193
|
350
|
G3/4″
|
|
100
|
4″
|
102
|
254
|
200
|
8″
|
83
|
300
|
265
|
420
|
G3/4″
|
|
150
|
6″
|
152
|
292
|
250
|
10″
|
95
|
403
|
355
|
1000
|
G3/4″
|
|
200
|
8″
|
203
|
330
|
300
|
12″
|
100
|
492
|
410
|
1300
|
G3/4″
|
|
