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    氣缸諾冠市場需求量沒達到足以引以他們的興趣。實際上我們的油庫采用國內生產的大流量的雙聯組合閥，效果會好得多。雙聯組合閥還常用來控制溫度、壓力、液位等參數。大閥保證基礎量，小閥提供補償量。在參數相對穩定的系統中，這種位式控制能達相當高精度。好些參數變化較大的系統，變化的速率仍受一定制約，例如溫度控制系統，仍受熱慣性的影響。所以運用得當的雙聯組合閥在滿足控制要求的前提下相對于調節閥能大幅降低成本。

氣缸諾冠
Norgren諾冠氣缸PRA/182032/30             PRA/182032/M/160              PRA/182032/M/100
Norgren諾冠氣缸PRA/182032/M/215              PRA/182032/M/285             PRA/182032/M/200
Norgren諾冠氣缸PRA/182032/M/190              PRA/182032/M/125             PRA/182032/M/155
Norgren諾冠氣缸PRA/182032/M/415              PRA/182032/M/105              PRA/182032/100
Norgren諾冠氣缸PRA/182032/M/310              PRA/182032/160                 PRA/182032/125
Norgren諾冠氣缸PRA/182032/M/300              PRA/182032/M/390             PRA/182032/M/400
Norgren諾冠氣缸PRA/182032/M/495/L    PRA/182032/M/278              PRA/182032/M/370
Norgren諾冠氣缸PRA/182032/M/295              PRA/182032/M/280             PRA/182032/M/450
Norgren諾冠氣缸PRA/182032/M/175              PRA/182032/M/95               PRA/182032/M/60
Norgren諾冠氣缸PRA/182032/M/250              PRA/182032/M/35               PRA/182032/220
Norgren諾冠氣缸PRA/182032/M/185              PRA/182032/M/320              PRA/182032/M/40
Norgren諾冠氣缸PRA/182032/250    PRA/182032/M/495       PRA/182032/M/50/US/D2/UF
Norgren諾冠氣缸PRA/182032/M/330              PRA/182032/M/260             PRA/182032/M/110
Norgren諾冠氣缸PRA/182032/M/65         PRA/182032/M/140              PRA/182032/M/340
Norgren諾冠氣缸PRA/182032/M/120              PRA/182032/M/30              PRA/182032/M/380
Norgren諾冠氣缸PRA/182032/M/290              PRA/182032/M/160/UL        PRA/182032/M/350
Norgren諾冠氣缸 ?Norgren氣缸諾冠缸PRA/182063/W1/250     PRA/183032/W1/50             PRA/183032/M/30 
Norgren諾冠氣缸PRA/181040/200/L        PRA/181040/200                  PRA/183040/M/100
Norgren諾冠氣缸PRA/183040/M/80         PRA/183080/M/100              PRA/181050/M/160
Norgren諾冠氣缸PRA/181050/M/80         PRA/181050/M/50               PRA/181080/M/100
Norgren諾冠氣缸PRA/181100/M/200        PRA/181100/M/140              PRA/182032/M/360
Norgren諾冠氣缸PRA/182032/M/50         PRA/182032/M/90               PRA/182032/75
Norgren諾冠氣缸PRA/182032/M/145              PRA/182032/M/165             PRA/182032/M/345
Norgren諾冠氣缸PRA/182032/M/170              PRA/182032/M/255             PRA/182032/M/135
Norgren諾冠氣缸PRA/182032/M/70         PRA/182032/M/80               PRA/182032/M/25
Norgren諾冠氣缸PRA/182032/M/270              PRA/182032/M/150              PRA/182032/20

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