◎呼吸阀（HX系列）

HX Type Breathing valve

◎操作压力和使用环境温度

Operating pressure and use Environmental Temperature

呼出压力：B、+980Pa C、+1750Pa D、+4KPa E、+18KPa

呼入压力：B、-295Pa C、-295Pa D、-0.5KPa

(操作压力指标也

使用环境温度：-30oC~-60oC

◎工作介质Working medium

汽油、煤油、柴油、芳烃、空气等，或其他石油化工化工物料，阻火类别的选用“HGJ21-89”选型，选II*或II

Gasoline, kerosene, diesel oil, aromatics, air, or other petroleum chemical material,

fire resistance of category to choose HGJ21-89choose line, choose all level specified by customer.

◎ 制造和检验标准 Manufacturing and inspection standard

参照“SY7511-87”、“GB5908-86”等标准进行制造和验收。

注：法兰连接采用HG5010-58，PN1.0Mpa,也可以根据用户需要，按HGJ、JB/ANSI-B16.5、JIS等其他标准进行制造。

With reference “SY7511-86”,“by-86”standards such as manufacturing and acceptance.

Note：the flange connection HG5010-58,PN1.0MPa,can also according to customer

need, according to HGJ,JB,ANSI-B16.5, JIS and other standards for manufacturing