- Model NO.: longva2353
- Size: Dn10-Dn50
- Trademark: LONGVA or OEM
- Specification: ISO KF
- HS Code: 8481804090
- Connection: Clamp,Flange
- Dirve: Manual,Pneumatic
- Transport Package: Carton, Plywood Case
- Origin: Wenzhou, China
Size: KF16,KF25,KF40,KF50
Material: Stainless steel 304 or 316
GD high vacuum flapper valve is used to put through or cut off the airflow in vacuum pipeline. Applicable medium can be pure air and noncorrosive gases. According to its shaft seal structure, high vacuum flapper valve is classified in to GD-J rubber shaft seal type and GD-J (b) bellows shaft seal type. According to its put-through type, it is classified into GD-J angle type and GD-S three-way type with prepumping.Â



Jining Union Machinery And Parts Co., Ltd. Is famous for Excavator Swing Reduction. We can supply many brand and many models Excavator swing reduction.
Our company mainly produces a full range of excavators gear accessories,indulding excavator travel reduction assy, swing reduction assy (swing device), swing gears, swing gear ring, RV Gears, swing shaft (shaft pinion), crankshafts, pin, swing reduction carriers, swing reduction carrier assembly, travel hub (drum), swing motor cases, Swing Bearing and bearings, swing reducer housings, covers, etc.. Involves the brand including KO-MATSU, CA-T, HI-TACHI, SUMITOMO, KATO, DAEWOO, HYUNDAI, KOBELCO, VOLVO,JCB and other Chinese brands of excavators.
The model for excavator swing reduction is as follow,
Brand |
Model |
Hi-tachi |
EX60,EX100,EX120, EX200, EX220, EX230,EX270,EX300,EX330,EX350,EX400,ZAIX200,ZAIX230,ZAIX210,ZAIX240,ZAIX250,ZAIX270,ZAIX330 |
Koma-tsu |
PC30,PC35,PC40,PC50,PC60,PW60,PW100,PC100,PC120,PC150, PC200,PC210, PC220,PC228, PC240, PC300, PC350,PC360, PC400, PC410,PC450,PC600 |
Kobelco |
SK07,SK12,SK60,SK75UR,SK100,SK115, SK120, SK200,SK210, SK220,SK230,SK258,SK300, SK330,SK350, SK450 |
KATO |
HD250, HD400, HD450,HD550, HD700, HD770, HD800,HD820,HD880,HD900,HD1023,HD1250,HD1430,HD1880 |
Daewoo |
DH55,DH150,DH200,DH220,DH25,DH258-7,DH290,DH300,DH330,DH360,DH370,DH500 |
Hyundai |
R55,R60,R110,R130,R150,R200.R210,R215,R220,R225,R260,R280,R305 |
Sumitomo |
SH100,SH120,SH200,SH300,SH350,SH450, LS260,LS265,LS280,LS580 travel motors |
CART |
E70,E110,E120,E200,E240,E300,E307,E308,E312,E320,E322,E325,E330 |
VOLVO |
EC55,EC210,EC240,EC290,EC360,EC450,EC460 |


Excavator Swing Reduction
Excavator Swing Reduction,Excavator Swing Reduction Gearbox,Hyundai Excavator Swing Reducer,Swing Gear Box For Excavator
JINING UNION MACHINERY AND PARTS CO., LTD. , https://www.vmpmachineryparts.com