◎呼吸閥（HX系列）

HX Type Breathing valve

◎操作壓力和使用環(huán)境溫度

Operating pressure and use Environmental Temperature

呼出壓力：B、+980Pa C、+1750Pa D、+4KPa E、+18KPa

呼入壓力：B、-295Pa C、-295Pa D、-0.5KPa

(操作壓力指標也可以由用戶指定)

使用環(huán)境溫度：-30oC~-60oC

◎工作介質(zhì)Working medium

汽油、煤油、柴油、芳烴、空氣等，或其他石油化工化工物料，阻火類別的選用“HGJ21-89"選型，選II或IIB級由用戶指定。

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.

◎ 制造和檢驗標準 Manufacturing and inspection standard

參照“SY7511-87"、“GB5908-86"等標準進行制造和驗收。

注：法蘭連接采用HG5010-58，PN1.0Mpa,也可以根據(jù)用戶需要，按HGJ、JB/ANSI-B16.5、JIS等其他標準進行制造。

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