S.N Drawing no. Item Qty.

1 NB800M.27.01 Gasket ring：R39 1

2 NB800M.27.02 Base plug 1

3 NB800M.27.03.00 Air rubber 1

4 NB800M.27.04.00 Shell assembly 1

5 NB800M.27.05 Cover 1

6 JZR3-L8 Check valve（Xinhua hydraulic device,

Fenghua） 1

7 NB800M.27.06.00 Cover, pressure gauge 1

8 NB800M.27.07 Connector：NPT1/4 1

9 Y-60 Double scale shock proof pressure gauge：

0～25MPa（0～3630psi） 1

10 NB800M.27.08 washer 1

11 NB800M.27.09 T-joint：NPT1/4 1

12 NB800M.27.10.00 Air discharge valve 1

13 NB800M.27.11.00 Suction hose assembly, pulsation

dampener 1