UHP Fittings & Valves

No. PVDC-1September 2017Low Pressure Pneumatic Diaphragm Valves

Standard Type

Features

Product Grade

Level AP

≤ 25

EP

≤ 0.7 /

BA

≤ 3.0 /

Size

Cv Value

Orifice Size

Max. Working Pressure

Max. Working Temperature

Internal Leakage

Allowance - He

Holding Time ≥ 30 sec

Actuator Pressure Rating

-9

-9

External Leakage

Allowance - He

Holding Time ≥ 1 min

Particle Inspection (EP Only)

Pressure : 60~80 psi N2 Gas

Sample Volume : 1CFM

0.1 and Larger

0.3 0.7

7.0

0.7

7.0

Specif ication

2

1

3

Component No. Materials

1

2

3

Material of Construction

.

Standard TypeLow Pressure Pneumatic Diaphragm Valves

Ordering Information and Dimensions

Basic OrderingNumber

ModelC

26.0

37.0

37.0

37.0

A

40.0

55.0

55.0

25.4

28.0

28.0

B

55.0 28.0

h

11.0

16.0

16.0

Dimensions (mm)

64.3

83.8

83.8

H

22.0 89.8

26.0

37.0

37.0

37.0

40.0

55.0

55.0

25.4

28.0

28.0

55.0 28.0

64.3

83.8

83.8

89.8

26.0

37.0

37.0

37.0

40.0

55.0

55.0

25.4

28.0

28.0

55.0 28.0

64.3

83.8

83.8

89.8

26.0

37.0

37.0

37.0

ℓ

-

-

-

-

-

-

-

-

55.0

68.0

70.0

84.0

-

-

-

-

40.0

55.0

55.0

25.4

28.0

28.0

55.0 28.0

64.3

83.8

83.8

89.8

57.0

76.2

76.2

L

122.0

11.0

16.0

16.0

22.0

70.6

83.0

83.0

122.0

11.0

16.0

16.0

22.0

69.5

82.5

91.0

106.0

11.0

16.0

16.0

22.0

54.0

69.0

69.0

U-PVDC4-DM-

U-PVDC6-DM-

U-PVDC8-DM-

U-PVDC12-DM-

U-PVDC4-DF-

U-PVDC6-DF-

U-PVDC8-DF-

U-PVDC12-DF-

U-PVDC4-DK-

U-PVDC6-DK-

U-PVDC8-DK-

U-PVDC12-DK-

U-PVDC4-TW-

U-PVDC6-TW-

U-PVDC8-TW-

U-PVDC12-TW- 150.0

How to Order

Valve Type

PVDC

Size

4 : 1/4”

6 : 3/8”

8 : 1/2”

12 : 3/4”

End Connector Type

DM : DCR Male

DF : DCR Female

DK : DK-Lok

TW : Tube Butt Weld

Bleed Option

Blank : No Bleed

B3 : Constant Bleed Ø 0.3

B6 : Constant Bleed Ø 0.6

Material

SL : 316L Stainless Steel

DL : 316L Stainless Steel VAR

Surface Level

B : BA Grade

P : EP Grade

Operation Type

OP : Normal Open

CP : Normal Close

DK-LokUHP Product

UValve Type

PVDCSize

4End Connector

Type

DMMaterial

SLBleed Option

B3Operation Type

OPInner

Surface Level

B

Note) DCR : DK-Metal Face

L

Hh

ØA

M5

C

C

ØB

45°

M5x0.8

L

ØA

M5

C

C

ØB

45°

Hh

M5x0.8

ℓ

ØA

M5

C

C

ØB

45°

L

Hh

M5x0.8

L

ØA

M5

C

C

ØB

45°

Hh

M5x0.8

Safe Valve Selection

The selection of a valve for any application or system design must be considered to ensure safe performance. Valve function, valve rating, materialcompatibility, proper installation, operation and maintenance remain the sole responsibillty of the system designer and the user. DK-Lok accepts no liability for any improper selection, installation, operation or maintenance.

© Copyright 2017. All Rights Reserved.

EndConnections

1/4” DCR Male

3/8” DCR Male

1/2” DCR Male

3/4” DCR Male

1/4” DCR Female

3/8” DCR Female

1/2” DCR Female

3/4” DCR Female

1/4” DK-Lok

3/8” DK-Lok

1/2” DK-Lok

3/4” DK-Lok

1/4” Tube Butt Weld

3/8” Tube Butt Weld

1/2” Tube Butt Weld

3/4” Tube Butt Weld