奧地利KRAL公司總部位于奧地利的路斯登洛的 KRAL公司成立于 1950 年,是**的螺桿泵的生產廠家。產品主要應用于潤滑油、液壓油以及具有粘性的液體的泵送運輸方面。今天KRAL 公司 已經發展成為一家員工超過300 人，在五大洲幾十個國家擁有辦事處和分銷商的跨國性公司。其主打產品螺旋泵也發展到多個種類，可以應用到油田，化工生產，船用等諸多領域。Kral三螺桿泵常用型號如下：
   kral 115/165D  kral 124/140D   kral 149/165D    kral 91/140D   kral BAS 25A(Pos.-Nr. 018)
     kral BDG38 Pos.-Nr. 457  kral BEG 42 kral BEG 43D, tariff.no:9026 90 00 kral BEG 44
     kral BEM 20.01 BEM2U      kral BEM 500      kral BEM300      kral BEV 13
     kral BSM89 (Pos.-Nr.668) for KRAL pump M 54.48 kral CGH- 370.ABCFP.xxxxx Nr156342
     kral CK 105/118, tariff.no. 8413 9100      kral CK118.22 CKCR 118 V serial no.: 163511
     kral CK550-880 V/S/U tariff. no. 8413 91 00      kral CKC- 84.ZCA.xxxxxx
     kral CKC-370.AAA.500006      kral CKC-370.AAA.XXXXXXX
     kral CKC-370.DAA.000020      kral CKC-550.AAA.xxx SN:211084.01
     kral CKC-550.AAA.XXXXXXX      kral CKC-880.baa.xxxxxx(CK880.20 Nr：149027)
     kral DDO 05 O-ring 19.20x3.00  kral DDO 12 O-ring 108.00x3.00 kral DDO 15 O-ring48.90x2.62
     kral DDO 16 O-ring 26.20 x 3      kral DDW122      kral DDW93      kral DLR133
     kral DLR46B kral DS1-1300.BAA.0002 kral DS1-1300.BAB.0005kral DS4-4000.BAA.0008
     kral DSZ 11 kral DVV 36 kral EKS12-3000.BB.xxxx(Replacement station for EN 54.13E)
     kral EKZ 01 Pos.-Nr. 525kral EKZ 18Bkral EKZ 18B for motor size 132 Pos.-Nr. 525
     kral EKZ 22B for motor size 160 Pos.-Nr. 525kral GOS 05 kral HDA 84 70/188D
     kral HDF304  kral inner rotor(EKI 04) kral KF- 105.CCA.xxxxxx
     kral KF 118.8A1A10 serial no.: 134484      kral KF- 160.ACA.000009 serial no.: 240463
     kral KF- 160.DAA.001268      kral KF- 160.DAA.001268 serial no.: 276339