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Piston Sealing

Piston Sealing

Name Section Order No. Working pres-sure
≤(MPa) 		Working temper-ature
℃ 		Working speed
≤(m/s) 		Material
hole-use s-quare rings GSF 40 -35～+200 5.0 PTFE
Hole-uses L-adder Ring GSD 40 -35～+200 5.0 PTFE
GD10000K GDKK 15 -35～+200 1.0 PTFE
GKD series GKDF 45 -35～+200 1.0 PTFE
Yx Seal Rin-
g for Hole 		GY2 40 -35～+100 0.5 imported polyurethane
20 -35～+200 0.5 RP or FPM
Combined 
Sealing CST 		CST 50 -35～+120 5.0 PTFE
U type shaft D1 40 -35～+100 0.5 imported polyurethane
U type shaft UN 25 -35～+100 0.5 imported polyurethane
Combined
Ring DAS 		DAS 35 -30～+120 0.5 RP or NBR
Type PZ
（pneumatic） 		MPZ 1.2 -35～+80 1.0 RP or polyurethane
Type Z8
（pneumatic ） 		MZB 1.6 -35～+80 1.0 RP or polyurethane
Type E4
（pneumatic） 		ME4 1.6 -35～+80 1.0 RP or polyurethane
Type C2
（hydraulic/
pneumatic ） 		MC2 16 -35～+80 0.5 RP or polyurethane
L-ring MYL 1.0 -35～+200 0.5 RP or FPM
Y-ring MYB 20 -35～+200 1.2 RP or FPM
Type KY KYB 20 -35～+200 0.5 RP or FPM
MSPGC 2
-30～+120
1.5
PTFE+NBR
-20～+200 PTFE+FKM
QY2 1.6
-35～+80
1.0
Ding Qing or rubber
MTDA 45
-30～+120
1.0
Rubber+PTFE
MTDMA 25
-30～+120
1.0
Rubber+PTFE
MSPG 2
-30～+120
1.5
PTFE
NBR
-20～+200 PTFE
FKM

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