High Durability Pneumatic Diaphragm Valve

Specification

Size

1/4”

3/8″

1/2”

Cv Value

0.4

0.6

0.6

Orifice Size (㎜)

7

7

7

Max. Working Pressure

1 MPa

Operationg Pressure

0.45 ~ 0.6 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.

≤ 5×10-9 mbar.l/sec

External Leakage

Test Pressure ≤ 1 x 10-2  Torr

Holding Time ≥ 1 min.

≤ 5×10-9 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 Actuator

Aluminum

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

HDPDV

Product

04

Size

MV

Connection

AC

Actuation

E

Grade

S

Material

PFA

Seat
Material

Product

Size

Connection

Actuation

Grade

Material

Seat

Material

HDPDV

04

1/4”

MV

Male

AC

Normal

Close

E

EP

D

SUS316L

Double Melt

NONE

PCTFE

 

06

3/8”

FV

Female

AO

Normal

Open

B

BA

S

SUS316L

Single Melt

PFA

PFA

 

08

1/2″

               

PI

PI

Dimension

Model

Connection

Size

A

(㎜)

B

(㎜)

C

(㎜)

D

(㎜)

E

(㎜)

F

(㎜)

G

(㎜)

H

(㎜)

Male

1/4″

68

37

108

11.1

38

20.2

20.2

35

3/8″

76.2

37

108

11.1

38

20.2

20.2

35

1/2″

76.2

37

108

11.1

38

20.2

20.2

35

Female

1/4″

82.6

37

108

12.7

38

20.2

20.2

35

3/8″

83.5

37

108

12.7

38

20.2

20.2

35

1/2″

83.5

37

108

12.7

38

20.2

20.2

35

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