德國奧瑪（AUMA）API526系列為彈簧加載型全啟式安全閥，連接方式為法蘭連接。它符合API520標準要求，被廣泛應用于石油化工領域，包括海上和陸上。

 產品規格：
    1″到8″七種閥門尺寸；D到T 14種噴嘴型式；WCB、WC6、CF8M和其他特殊材質；設定壓力可達413.7 bar-g (6000 psig)；溫度從-268℃(-450oF)到538℃(1000oF)；法蘭壓力等級從#150至#2500。

法蘭連接安全閥
(AUMA) 441/442/444系列為彈簧加載型全啟式安全閥，連接方式為法蘭連接。它們能在過壓超出設定壓力的5%時快速打開，特別適用于介質為蒸汽和氣體且必須迅速排放流量的應用場所。
產品規格：
    DN20 (3/4″)到DN400 (16″)多種閥門尺寸；鑄鐵、WCB、CF8M和其他特殊材質；設定壓力可達40 bar-g；溫度從-270℃(-454oF)到550℃(1022 oF)；法蘭壓力等級從#150 (PN16)至#300 (PN40)

螺紋連接安全閥
  (AUMA)  437/438/439  459/462系列為高功效螺紋連接安全閥，其連接方式根據用戶需要也可加工成法蘭連接。
產品規格：
    3/8″到1″四種閥門尺寸；430F、316L和其他特殊材質；設定壓力可達390 bar-g；溫度從-270℃(-454oF)到280℃(536oF)；法蘭壓力等級可達PN400

潔凈型安全閥
    (AUMA)  481/483/484/485/488系列為清潔場合的專用安全閥。采用多種物均連接方式用于有特殊清潔要求的系統保護（“清潔生產”：食品系統、飲料、藥品和化妝品生產）。
產品規格：
    1/2″到4″四種閥門尺寸；430F、316L和其他特殊材質；設定壓力可達150 bar-g

用于苛刻環境安全閥
    (AUMA)  447/546系列為彈簧加載型安全閥，連接方式為法蘭連接。用于工廠特殊工況，例如：強腐蝕介質，居毒介質，強背壓。

Germany Omar (AUMA) API526 series of spring-loaded safety valve, connection flange connection. It is in full compliance with the requirements of API520 standard, is widely used in the petrochemical industry, including maritime and land.
 Specifications:
    1 "to 8" seven kinds of valve size; D to T 14 nozzle type; WCB, WC6, CF8M and other special materials; Setting pressure up to 413.7 bar-g (6000 psig); temperature from -268 ° C (- 450oF) to 538 ° C (1000oF); the flange pressure levels from # 150 to # 2500.
Flange connection safety valve
(AUMA) 441/442/444 series of spring-loaded safety valve, connection flange connection. They can in overvoltage exceeds 5% of the set pressure of the open quickly, particularly suitable for medium is steam ａnd gas ａnd must be rapid discharge of the application areas of the maximum flow.
Specifications:
    A variety of valve size DN20 (3/4 ") to DN400 (16"); cast iron, WCB, CF8M and other special materials; setting pressure up to 40 bar-g; temperature from -270 ℃ (-454oF) to 550 ℃ (1022 oF); the flange pressure levels from # 150 (PN16) to # 300 (PN40)
Threaded connection safety valve
  (AUMA) 437/438/439 459/462 Series safety valve, threaded connection for high efficiency and its connection can be processed into a flange connection according to user needs.
Specifications:
    3/8 "to 1" four valve size; 430F, 316L, and other special materials; setting pressure up to 390 bar-g; temperature from -270 ℃ (-454oF) to 280 ° C (536oF); Flange pressure grades up to PN400
Clean type safety valve
    (AUMA) 481/483/484/485/488 series of special safety valve for cleaning occasions. Using a variety of objects are connected to the system protection for special cleaning requirements ("clean production": the food system, beverages, pharmaceuticals and cosmetics production).
Specifications:
    1/2 "to 4" four valve size; 430F, 316L, and other special materials; setting pressure up to 150 bar-g
For harsh environment safety valve
    (AUMA) 447/546 series of spring-loaded safety valve, connection flange connection. Used for the a factory special conditions, example: strong corrosive media, ranking poison media, strong backpressure.