How to Order from Byho Valve
How to Order from Byho Valve
Byho valve figure number is comprised of significant numbers and letters that describe the configurations of valves. We recommend you to select figure numbers to make your requirements more distinct. A detailed description must accompany any special orders.
Example:
|
Sample |
8 |
G |
P |
9 |
B |
05 |
A |
- |
B |
|
Code |
I |
II |
III |
IV |
V |
VI |
VII |
- |
VIII |
I: Size:
II: Valve Type
|
G |
B |
C |
GL |
P |
S |
|
Gate valve |
Ball valve |
Check valve |
Globe valve |
Plug valve |
Strainer |
III: Special Code and Suitable Valve
|
R |
Reduced Port | |
|
C |
Cryogenic | |
|
P |
Pressure seal | |
|
N |
Non-rising stem | |
|
B |
Bellows type | |
|
A |
Adjustment type disc | |
|
M |
Trunnion mounted | |
|
T |
Top entry | |
|
W |
Fully welded | |
|
V |
vertical |
Lift type |
|
H |
horizontal | |
|
D |
Dual plate, Butterfly type | |
|
S |
Single plate | |
|
Y |
Y-type | |
IV: Rating
|
0 |
1 |
2 |
3 |
4 |
5 |
6 |
8 |
9 |
15 |
25 |
Code |
|
|
150 |
|
300 |
400 |
|
600 |
800 |
900 |
1500 |
2500 |
Class |
|
1.6 |
2.0 |
2.5 |
4.0 |
5.0 |
6.3 |
10 |
|
15 |
25 |
42 |
Mpa |
V: Type of Connection & Code
|
F |
Raised face |
RF |
|
L |
Flat face |
FF |
|
R |
Ring joint |
RTJ |
|
B |
Butt welding |
BW |
|
S |
Socked welded |
SW |
|
T |
Screwed |
SC |
|
W |
Wafter |
WF |
VI: Trim materials
|
code |
|
Closure member surface |
Seat surface |
Brinell hardness |
Stem material |
|
1 |
1 |
13Cr |
13Cr |
250 HB min |
13Cr |
|
2 |
2 |
18Cr-8Ni |
18Cr-8Ni |
Not specified |
18Cr-8Ni |
|
3 |
3 |
20Cr-20Ni |
20Cr-20Ni |
Not specified |
20Cr-20Ni |
|
4 |
4 |
13Cr |
13Cr |
750 HB min |
13Cr |
|
5 |
5 |
HF |
HF |
350 HB min |
13Cr |
|
6 |
6 |
13Cr |
CuNi |
250HB/175HB min |
13Cr |
|
7 |
7 |
13Cr |
13Cr |
250HB/750HB min |
13Cr |
|
8 |
8 |
13Cr |
HF |
250HB/350HB min |
13Cr |
|
9 |
9 |
NiCu alloy |
NiCu alloy |
Not specified |
NiCu alloy |
|
10 |
10 |
18Cr-8Ni-Mo |
18Cr-8Ni-Mo |
Not specified |
18Cr-8Ni-Mo |
|
11 |
11 |
NiCu alloy |
HF |
350 HB min |
NiCu alloy |
|
12 |
12 |
18Cr-8Ni-Mo |
HF |
350 HB min |
18Cr-8Ni-Mo |
|
13 |
13 |
19Cr-29Ni |
19Cr-29Ni |
Not specified |
19Cr-29Ni |
|
14 |
14 |
19Cr-29Ni |
HF |
350 HB min |
19Cr-29Ni |
|
50 |
/ |
A105+ENP2 |
Soft seat1) |
Not specified |
13Cr |
|
55 |
/ |
13Cr |
Soft seat1) |
Not specified |
13Cr |
|
56 |
|
18Cr-8Ni |
Soft seat1) |
Not specified |
13Cr |
|
57 |
/ |
18Cr-8Ni |
Soft seat1) |
Not specified |
18Cr-8Ni |
|
58 |
/ |
18Cr-8Ni-Mo |
Soft seat1) |
Not specified |
13Cr |
|
59 |
/ |
18Cr-8Ni-Mo |
Soft seat1) |
Not specified |
18Cr-8Ni-Mo |
|
|
/ |
|
|
|
|
Note: soft seat including PTFE, NYLON and PEEK, see part list for details.
ENP=Electroless nickel plating.
VII: Shell Materials
VIII: Actuators
|
Code |
Actuators |
|
B |
Bevel gear |
|
W |
Worm gear |
|
E |
electric |
|
EX |
Explosion-proof electric |
|
P |
Double pneumatic |
|
PS |
Single pneumatic |
|
H |
hydraulic |
|
EH |
Electro-hydraulic |
|
PH |
Pneumatic-hydraulic |
N/A for handwheel or lever operated.
N/A for check valve and strainer.
