12

a

NOTE: With backflow

preventer feature.

SIZE (a x b)

2 1/2” x 2 1/2”

A

7 7/8”

B

D

1 31/32”

a

B

B

Downstream pressure

setting range 65÷175 PSI.

SIZE (a x b)

2 1/2” x 2 1/2”

CERTIFICATIONS

LISTED 12HO

12HO

A

D

1 31/32”

b

Used as a zone control valve for in-line application to regulate high-

pressure sprinkler, stand pipe and combined fire protection system.

Indicator bonnet shows whether valve is opened or closed.

Adjustuble scale permits easy field setting.

The valve is used to regulate inlet pressure to 400 lbs.

Standard equipment:

Cast bronze body with Female NPT inlet and outlet. Visual indicator.

Red handwheel. With 1/4” NPT side taps for pressure gauges.

RELATED PRODUCTS

b

Used as a zone control valve for in-line application to regulate

high- pressure sprinkler, stand pipe and combined fire protection system.

Indicator bonnet shows whether valve is opened or closed.

Adjustuble scale permits easy field setting.

The valve is used to regulate inlet pressure to 400 lbs.

Standard equipment:

Cast bronze body with Female NPT inlet x male hose thread outlet. Visual

indicator. Red handwheel. With 1/4” NPT side taps for pressure gauges.

RELATED PRODUCTS

A203

FIELD ADJUSTABLE PRESSURE

REDUCING VALVE

WITH CHECKING DEVICE

DOUBLE FEMALE - STRAIGHT

Downstream pressure

setting range 65÷175 PSI.

CERTIFICATIONS

LISTED 12HO

12HO

B

A

D

C

C

7 7/8”

A204

FIELD ADJUSTABLE PRESSURE

REDUCING VALVE

FEMALE x MALE hose thread - STRAIGHT

A155

A156

A55

A

D

C

C

7 15/16”

7 7/8”

15 13/16”

p. 9

p. 10

p. 4

A56

p. 4

15 13/16”

C

h

a

p

t

e

r

1

H

o

s

e

,

S

p

r

i

n

k

l

e

r

V

a

l

v

e

s

a

n

d

A

c

c

e

s

s

o

r

i

e

s

4

0

0

P

S

I

r

a

t

e

d

p

r

e

s

s

u

r

e

4

0

0

P

S

I

r

a

t

e

d

p

r

e

s

s

u

r

e

A75

p. 28

A80 p. 35 A7B

p. 40