Rotary valve Technical documents
Model classification
Model of rotary valve is written as follows. Select as per your usage.

① | Drive system | Symbol | Meaning | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
None | Chain drive | ||||||||||
D | Direct drive | ||||||||||
② | Model:Major Classification | Symbol | Meaning | ||||||||
General-purpose rotary valve |
Drop-through | R | Standard type | ||||||||
S | Easy cleaning type | ||||||||||
SC | Scraper type | ||||||||||
MP | Medium pressure type | ||||||||||
HP | High pressure type | ||||||||||
THP | Steam type | ||||||||||
Blow-through | B | Standard type | |||||||||
CB | Complete blow-through type | ||||||||||
SB | Easy cleaning type | ||||||||||
Sanitary rotary valve | Drop-through | S | Standard type | ||||||||
SSC | Scraper type | ||||||||||
Blow-through | SB | Standard type | |||||||||
SCB | Complete blow-through type | ||||||||||
③ | Distinction of molded rubber rotor | Symbol | Meaning | ||||||||
None | Other than molder rubber rotor | ||||||||||
V | Molder rubber rotor | ||||||||||
④ | Connection flange | Symbol | Meaning | ||||||||
M | Round flange | ||||||||||
A | Square flange | ||||||||||
B | Rectangular flange | ||||||||||
⑤ | Connection diameter | Symbol | Meaning | ||||||||
mm | mm | ||||||||||
One side of the square for a square flange | |||||||||||
⑥ | Casing material | Symbol | Meaning | ||||||||
N | Carbon steel(FC,FCD,SS400,etc.) | ||||||||||
S | Stainless steel(SCS,SUS etc.) | ||||||||||
A | Aluminum(ADC,AL,etc.) | ||||||||||
⑦ | Rotor options | Symbol | Meaning | ||||||||
None | No options | ||||||||||
HP | Helical blade | ||||||||||
WH | Double helical blade | ||||||||||
R | Upper-bottom | ||||||||||
THP | Zigzag pocket | ||||||||||
S | Round-bottom | ||||||||||
B | Steel-ball rotor | ||||||||||
⑧ | Rotor type | Symbol | Meaning | ||||||||
O | Rotor with no sidewall | ||||||||||
P | Rotor with sidewall | ||||||||||
OP | Rotor with single sidewall | ||||||||||
F | Moled rubber roter | ||||||||||
L | All-resin rotor | ||||||||||
⑨ | Rotor materials | Symbol | Meaning | ||||||||
M | Carbon steel(FC,FCD,SS400,etc.) | ||||||||||
S | Stainless steel(SCS,SUS etc.) | ||||||||||
U | Urethane rubber | ||||||||||
N | Neoprene rubber | ||||||||||
A | Aluminum(ADC,AL,etc.) | ||||||||||
TU | With non-metallic chip(urethane,resin,etc.) | ||||||||||
TS | With metallic chip(stainless steel,etc.) | ||||||||||
⑩ | Special specifications | Symbol | Meaning | ||||||||
None | No special specifications | ||||||||||
WRJ | With shaft-water cooling mechanism | ||||||||||
SP | Special specifications,such as fabricated casing and surface hardening |