1, mud pump piston assy
2, parts: tube, plate ,snap ring and cup
3, material: carbon steel alloy
4, NBR /PU piston cup
Mud pump piston assy
connected with piston rod, reciprocating working in mud pump liner
Specifics: external diameter 4-1/2"----7-1/2" inner hole: diameter 1-1/2" & 1-5/8"
Piston cup material:
1, made by NBR (Nitril rubber);
bearing tempreture: under 120 centigrade
working life: 200 hours
Oil resistance, acid-alkali resistance
quality guarantee period: 4 years /Max (store in clean & dry place)
2, made by Polyurethane;
tempreture bearing: under 60 centigrade
working life: 300 --500 hours
Max pressure: 35 Mpa
Oil resistance, acid-alkali resistance