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产品[bestobell低温止回阀]资料
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产品名称: bestobell低温止回阀
产品型号: GLOBE VALVE SS BODY DN20
产品展商: 其它品牌
简单介绍
bestobell低温止回阀阀门是楔形座设计,密封仅设计在阀座下游处,以防止液体死锁。栓接阀帽,维修方便,每个可维修的零件都可以很容易接触到。所有阀门均是在无尘环境下组装的并已去脂,可以用于氧气,并且出厂之前均经过压力测试。
bestobell低温止回阀的详细介绍

Size range
DN6 - DN20 1/4" - 3/4"
Pressure rating
Up to 44 BAR
End connections
Inlet screwed male, outlet screwed female
Configurations
Angle relief, thermal relief, in-line relief
Materials
Bronze, gunmetal, austenitic stainless steel on request

Bestobell supply a range of safety relief valves, the quality and integrity of these valves has been established through years of worldwide service.

These valves are designed for the protection of static and road-going storage tanks against damaging over pressurisation. 

There are three basic sizes defined by the throat diameter and these are available with a variety of inlet and outlet connections the valves are designed and factory set to lift repeatedly within +/- 2% of the set pressure, and to re-seat above 92% of set pressure. Spring pre-compression and blow-down ring settings are lead sealed after test to inhibit unauthorised tampering, as these products are a category four-safety product.  During testing pre-delivery, flow rates at 10% above set pressure are measured to ensure compliance with stated flow capacities.

The valves can be supplied with appropriate positioned drain holes to help prevent freezing caused by water ingress, though ideally the piping should be arranged to prevent this. Complete vessel protection assemblies can be supplied comprising of two relief valves, divertor valve, bursting discs and interconnecting pipe-work

Each valve is individually calibrated and stamped with the date of manufacture, and has it’s own unique serial number prior to dispatch.

All materials used are selected for their suitability to function at cryogenic temperatures. All valves are degreased for oxygen duty.

bestobell低温止回阀技术数据

提升止回阀尺寸包括DN6, DN10, DN15,DN20, DN25, DN40, DN50, DN 65, DN80,DN100 和 DN150;

可用于 O2, N2, Ar, CO2, He, Kr, Ne, H2,C2H4, N2O。

ISO 9001认证-设计和生产符合ASTM B31.3和BSEN 1626;

所有选材可以另行选择BSEN 10204 3.1 / 3.2材质来源证书;  

 

bestobell低温止回阀材料

阀体                  ASTM A351 CF8M

阀帽                  ASTM A276 316

阀盘                  BSEN 12164 CW 721R

密封圈              聚四氟乙烯

阀帽垫圈           SIGMA 511

阀帽法兰           ASTM A351 CF8M

紧固件              BS6105 A4 GR.80

 

bestobell低温止回阀选择数据

通过以下两步来确定提升止回阀的零件编号:

1.  首先从后面的产品规格表中选择零件代码,“CGT--+”

2.  再从下面的表格选择端口连接代码。

例子:25mm的提升止回阀,BW SCH.10连接,完整的零件编号=CGT50B1B0C。

产品规格
阀门尺寸
mm
6
10
15
20
25
40
50
65
80
100
150
ins
1/4
3/8
1/2
3/4
1
1.12
2
2.1/2
3
4
6
零件编号
单位
CGT10
CGT20
CGT30
CGT40
CGT50
CGT70
CGT80
CGT90
CGTA0
CGTB0
CGTD0
A
mm
68
68
68
76
92
121
146
217
254
292
444
B
mm
51
51
51
60
71
84
107
145
145
193
260
C
mm
55
55
55
66
66
81
108
130
133
169
305
Cv
US gpm
3.6
3.6
3.6
6.2
13.2
26.5
43.0
68
98
174
400
重量
Kg
1.0
1.0
1.0
1.5
1.75
3.0
5.5
15
25
42
110
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