عضویت 
ورود اعضا
راهنمای خرید
MB 20 (45L/M) *compact size0 pages
Compact Monoblock Directional Control Valve
MB20 Series
Features
MB20 Series is a monoblock directional control valves entirely developed
to perform equivalent basic function as MCD20. MB20 is very compact in
size yet comes with all standard feature such as adjustable main relief
valve, check valve , carry over circuit, and 2 mounting holes.
MB20 made of high strenght cast iron. The spools are made of hardened
and tempered steel with varieties of spool types and controls.
Specification
Nominal Flow
Max. Pressure
L/min (USgpm)
bar (psi)
45 (12)
210 (3000)
MB20
Ordering Code
MB20 Series
1st spool
2nd spool
3rd spool
MB20 / 3 - 140/ D2 / D2 / D2 / CO - S - TP
1
1
2
3
4
6
Model
5
6
7
8
Circuit Option
no code or OC - With open center plug
MB20
CO - With carry over plug
2
Number of Spool
CC - With closed center plug
1-3
3
7
Relief Valve Setting
Code
Spool Control
Port A-B
Port P
Port T
Port CO
BSP
3/8"
3/8"
3/8"
3/8"
S
- 140 bar
Thread
no code
no code - 210 bar
4
Port Thread
SAE
SAE 8
SAE 8
SAE 8
SAE 8
no code - Spring retrurn to center
8
D - Detent in three positions
no code - Port P and T at side with optional
I - Detent in two positions
Port P and T pluged on top
O - Detent out two positions
5
Optional Port Connection
TP - Port P and T on top with optional
Spool Type
Port P and T pluged at side
no code or 1 - Double acting, 3 position with Aand B
(Type.1)
closed in center (Cylinder spool)
(Type.2) 2 - Double acting, 3 position with A and B
to tank in center (Motor spool)
(Type.3) 3 - Single acting on A, 3 position B plugged
(Type.4) 4 - Single acting on B, 3 position A plugged
89
www.hofhydraulic.com
"
