Block Manual Diaphragm Valve

Specification

Size

1/4”

1/2”

Cv Value

0.22

0.7

Orifice Size (㎜)

4

7

Max. Working Pressure

1 MPa

Max. Working Temp.

PCTFE

-10 ℃ ~ 80 ℃

PFA

-10 ℃ ~ 150 ℃

PI

-10 ℃ ~ 150 ℃

Internal Leakage

Test Pressure ≤ 1 x 10-2  Torr

Holding Time ≥ 1 min.

≤ 1×10-9 mbar.l/sec

External Leakage

Test Pressure ≤ 1 x 10-2  Torr

Holding Time ≥ 1 min.

≤ 1×10-9 mbar.l/sec

Particle Inspection

Pressure :30 ~ 60 psi N2 Gas

Sample Volume :  1 CFM / 0.1 ㎛ and Larger

No Count

Materials

Parts

Materials

① Body

SUS316L (Single Melt / Double Melt)

② Seat

PCTFE / PFA / PI

③ Diaphragm

Ni-Co Alloy

④ Handle

ABS HI121

Surface Roughness

BA

EP

Ra ≤ 10 μinch

Ry ≤ 3.0 ㎛

Ra ≤ 5 μinch

Ry ≤ 0.7 ㎛

Cut off Length : 0.8 ㎜

Cut off Length : 0.25 ㎜

Measuring Length : 4 ㎜

Measuring Length : 1.25 ㎜

Bright Annealed

Electro Polished

Ordering Information

BMDV

Product

04

Size

MR

Connection

1V25

Flow

E

Grade

S

Material

Product

Size

Connection

Flow

Grade

Material

BMDV

04

1/4”

MR

Rotatable Ma

1V25

E

EP

D

SUS316L

Double Melt

 

08

1/2″

FV

Female

5V12

B

BA

S

SUS316L

Single Melt

         

1H23

       
         

3H12

       

Flow

Dimension

Model

Flow

Connection

Size

A

(㎜)

B

(㎜)

C

(㎜)

D

(㎜)

E

(㎜)

F

(㎜)

G

(㎜)

H

(㎜)

I

(㎜)

1V25

Rotatable Male

1/4″

124.2

64

71.8

11

121.5

62.1

26

15

40

5V12

1H23

Rotatable Male

1/4″

124.2

64

71.8

11

121.5

43.1

26

15

40

3H12

1V25

Female

1/4″

107.6

64

71.8

11

121.5

53.8

26

15

40

5V12

1H23

Female

1/4″

107.6

64

71.8

11

121.5

34.8

26

15

40

3H12

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