Valves model designation method

     
 
  
 

 Valves mode usually including: valve type, Drive type, Connection type, Structure type, Normal Pressure, seat material, body material and so on;

Unit 1Valve type code

Type 

Butterfly valve

Ball Valve

Gate Valve

Check Valve

Globle valve

Strainer

Dump valve

Code  

D

Q

Z

H

J

GL

FL

Unit 2 Drive type

Drive type

Eletro magnetic

Eletro magnechydraulic

Electric-hydraulic

Worm gear

Spur gear

Bevel gear

pneumatic

hydraulic

Pneumatic hydraulic

electric

Lever Hand wheel

Code

0

1

3

4

5

6

7

8

9

NON




 


Unit 3Connection type

Connection Type

Internal thread

external thread

Different connection

flange

butt-weld

waffer

cutting-hoop

cutting-ferrule

Code

1

2

3

4

6

7

8

9

Unit4:Structure type

Structure type

code

Structure type

code

Seal type

Single eccentric

0

No seal type

Single eccentric

5

Centre vertical

1

Centre vertical

6

Double eccentric

2

Double eccentric

7

Triple offset

3

Triple offset

8

Mechanical linkage

4

Mechanical linkage

9

Gate valve structure type

Structure type

code

blow-out proof stem

wedge gate

flexible disc

0

Rising Stem

 

Single disc

1

Double disc

2

Parallel type gate

Single disc

3

Double disc

4

Non-rising stem

wedge gate

Single disc

5

Double disc

6

Parallel type gate

Single disc

7

Double disc

8

Ball valve structure type

structure type

code

Structure type

code

floating ball

Through way type

1

Fixed ball

through way type

7

Y-three way type

2

cross

6

L- pattern three way type

4

T-pattern three way type

8

T-pattern three way type

5

L-pattern three way type

9

 

0

check valve structure code

Structure type

code

structure type

code

lift disc

through way type

1

swing disc

single structure

4

vertical structure

2

Multi structure

5

angle type

3

double structure

6

butterfly check type

7

Unit 5Seal material code

Material

Pasteur alloy

 

Nit riding steel

18-8 SS

Fl plastic

glass

Cr13SS

Line with rubber

Monel

code

B

C

D

E

F

G

H

J

M

material

Nylon plastic

Monel

line with lead

Mo2Ti SS

plastic

Cooper alloy  

rubber

Hard alloy

The body directly processing

code

N

P

Q

R

S

T

X

Y

W

Unit6Body material code

Body material

titanium and titanium alloy

Carbon steel

Cr13stainless steel

Cr. Mo steel

malleable cast iron

Al alloy

code

A

C

H

I

K

L

Body material

Ductile iron

Mo2Ti stainless steel

Plastic

Cooper and cooper alloy

18-8stainless steel

Gray iron

code

Q

R

S

T

P

Z

 

 

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