品一测控

首页 >> 压力测量 >> 截止阀

品一测控压力仪表的使用非常广泛，无论是液体、浆料和气体的压力，还有部分的物位和流量测量，都可以使用压力仪表进行测量。

截止阀

RPAJ

测量原理:

‌截止阀的测量原理‌是通过阀瓣在阀座上的移动来控制流体的流动。阀瓣沿阀座中心线作直线运动, 改变阀瓣与阀座之间的距离, 从而改变流道的截面积, 实现对流量的控制和截断‌。当截止阀关闭时, 阀杆施加压力使阀瓣密封面与阀座密封面紧密贴合, 从而有效地阻止介质的流通‌。

产品特点:

‌密封性好‌ ‌适用范围广‌

过程连接：

G1/2

1/2NPTF

焊接端头

1/2NPT

20*1.5内螺纹

G1/2内螺纹

定制过程连接

接液材质：

304

316L

定制接液材质

补充描述：

通过选中参数生成选型

RPAJ -

G1/2 ,

304 ,

特殊要求

复制型号

产品手册:

截止阀 RPAJ.pdf

资质证书:

基本文件流程错误 SQL 调试

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CONNECT:[ UseTime:0.000973s ] mysql:host=rm-uf6t0bxpv0p8xlu43.mysql.rds.aliyuncs.com;port=3306;dbname=db_dev_processelite;charset=utf8
SHOW FULL COLUMNS FROM `wbt_goods_cate` [ RunTime:0.006899s ]
SELECT `id`,`name` FROM `wbt_goods_cate` WHERE `id` IN (1,2,4,5,6,7) AND `status` = 1 [ RunTime:0.000899s ]
SHOW FULL COLUMNS FROM `wbt_goods` [ RunTime:0.004113s ]
SELECT * FROM `wbt_goods` WHERE ( `id` = 55 ) AND `wbt_goods`.`delete_time` IS NULL LIMIT 1 [ RunTime:0.000872s ]
SHOW FULL COLUMNS FROM `wbt_goods_cate_relation` [ RunTime:0.001384s ]
SELECT * FROM `wbt_goods_cate_relation` WHERE `goods_id` = 55 LIMIT 1 [ RunTime:0.000772s ]
SHOW FULL COLUMNS FROM `wbt_goods_data` [ RunTime:0.001667s ]
SELECT * FROM `wbt_goods_data` WHERE `id` = 55 LIMIT 1 [ RunTime:0.001365s ]
SHOW FULL COLUMNS FROM `wbt_goods_attr_relation` [ RunTime:0.001857s ]
SELECT `attr_id`,`attrvalue` FROM `wbt_goods_attr_relation` WHERE `goods_id` = 55 [ RunTime:0.000871s ]
SHOW FULL COLUMNS FROM `wbt_goods_file_relation` [ RunTime:0.001908s ]
SELECT `file_id` FROM `wbt_goods_file_relation` WHERE `goods_id` = 55 [ RunTime:0.000663s ]
SELECT `id`,`pid`,`logo`,`logo_active`,`name`,`name_en`,`info` FROM `wbt_goods_cate` WHERE `id` = 93 LIMIT 1 [ RunTime:0.001475s ]
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SELECT `id`,`pid`,`logo`,`logo_active`,`name`,`name_en`,`info` FROM `wbt_goods_cate` WHERE `id` = 97 LIMIT 1 [ RunTime:0.000668s ]
SHOW FULL COLUMNS FROM `wbt_goods_attr` [ RunTime:0.002048s ]
SELECT `id`,`attrname`,`type`,`sort`,`status` FROM `wbt_goods_attr` WHERE `id` = 388 LIMIT 1 [ RunTime:0.001444s ]
SHOW FULL COLUMNS FROM `wbt_goods_attr_value` [ RunTime:0.002243s ]
SELECT `id`,`attrvalue` FROM `wbt_goods_attr_value` WHERE `id` IN (1934,1929,13161,13162,13163,1932,13164) ORDER BY `sort` ASC,`id` ASC [ RunTime:0.001131s ]
SELECT `id`,`attrname`,`type`,`sort`,`status` FROM `wbt_goods_attr` WHERE `id` = 395 LIMIT 1 [ RunTime:0.000785s ]
SELECT `id`,`attrvalue` FROM `wbt_goods_attr_value` WHERE `id` IN (1991,1992,2000) ORDER BY `sort` ASC,`id` ASC [ RunTime:0.001286s ]
SHOW FULL COLUMNS FROM `wbt_file` [ RunTime:0.001417s ]
SELECT `id`,`cate_id`,`title`,`file` FROM `wbt_file` WHERE `status` = 1 AND `id` = 2906 ORDER BY `sort` DESC,`id` DESC LIMIT 0,1 [ RunTime:0.001271s ]

0.127885s