FPK···3

6

0

50

100

150

200

50

100

150

200

Diaphragm standout length (11th digit)

Treatment

Fill-fluid

None

Silicon oil

None

Fluorolube oil

Degreasing

Silicon oil

Oxygen oil-proof processing

Fluorolube oil........ Specifiable when 7th digit is V.

Chlorine service

Fluorolube oil........ Specifiable when 7th digit is H or T.

None

Silicon oil (For high temperature)

None

Silicon oil (For high temperature)

None

Silicon oil (For high temperature and vacuum)

None

Silicon oil (For high temperature and vacuum)

None

Silicon oil (For high temperature and high vacuum)

Treatment and Fill-fluid (13th digit)

Can be specified when 7th code digit is V. Cannot be specified for 40A or 1-1/2B flange.

Can be specified when 7th code digit is H. Cannot be specified for 40A or 1-1/2B flange.

Y

A

B

C

D

E

F

G

H

Y

W

G

A

D

H

J

S

T

K

P

FF

K3

Description

12345678

9 10 11 12 13

Specifiable when

7th digit is V.

Note 1

Note 1

Note 1

Note 1: Inapplicable for small bores 40A, 50A, 1-1/2B, and 2B.