Model 35XL & 35XLVCH

Model 35XL & 35XLVCH Atmospheric Vacuum Breaker Application Ideal for use where Lead-Free* valves are required. Designed for installation on potable water lines to protect against backsiphonage of contaminated water into the potable water supply. Assembly shall provide protection where a potential health hazard exists. Standards Compliance • ASSE® Listed 1001 • CSA® Certified • IAPMO® Listed

Model 35XLCH (1/2") Model 35XLVCH (1/4") Model 35XL (3/4" - 2")

• IAPMO® Listed *(0.25% max. weighted average lead content) v

w

x

y

z

{

|

}

~

z

Materials Main valve body

x



€

x



‚

y

ƒ

„

…

z

~

†



x

‡

ˆ

Lead-Free Cast Brass (1/4"-1/2") Cast Bronze ASTM B 584 (3/4"-2") Silicone (FDA approved) Buna Nitrile (FDA approved) ULTEM™, NSF Listed (1/4"-1/2") Polypropylene (3/4"-2")

Elastomers Polymers

Options (Suffixes can be combined) c CH - with rough chrome plate finish (1/2" only) c VCH - with vertical inlet and outlet with rough chrome finish (1/4" only)

Features Sizes: 1/4, 1/2", 3/4", 1", 1 1/4", 1 1/2", 2" Maximum working water pressure Maximum working water temperature

Accessories c SXL - Lead-Free Bronze Wye Strainer

125 PSI 180°F

B B

B

C

C A

A ‰

Š

‹





Œ

”



‘

‰

Š

A

‹







’

w

“

Œ

Ž



‘

‰

Š

‹

‰

”





Ž





Œ

v

‘



Dimensions (do not include pkg.) J

H

I

J

K

L

M

N

O

N

H

K

P

M

N

I

P

M

Q

W

k

c

l

d

X

m

b

j

k

o

k

X

^

q

j

j

k

j

j

k

W

n

l

j

l

q

c











k

j

t

X

X

l

j

t

q

s

j

j

k

q

q

t

j

t

k

n

o

q

t









!

"

#

$

%

"

T

U

V

W

X

R

Y

Z

[

\

k

j

r

j

p

o

o

o

n

l

q

W

q

q

j

j

t

j

s

q

j

k

l

t

u

s

q

o

k

l

u

s

c

q

q

d

k

n

j

k

q

t

k

j

t

k

l

l

u

k

t

n

k

&



'



(

)



&

$



*

+

,

-

,

*

,

.

/





0

1

%

2

,

3

4

4

5

0

0

/

5

.

3



0

$

6

"

7

3

8

5

r

9

j

j

j

j

4

t

j

j

/

3

5

4



0

0

d

k

X

`

/

;



4



"



;

"

=




"

?



@

A



$

B

@

&

&

www.zurn.com

@

&

&

"

>

C

"

$

D

;

E

"



@



l



G



F

9

1

%

2

,

.

8

4

5



8

4

5

3

9



9

$

6

"

7

.

8

4

5



8

4

5



9

.

9

_

e

f

g

`

d

h

i

j

s

d

t

j

k

o

q

q

s

d

p

j

k

q

o

n

q

s

d

p

j

j

k

q

o

n

q

s

d

t

j

o

j

d

j

d

n

q

d

u

q

j

k

j

q

k

j

j

k

r

q

t

r

q

l

l

r

Rev. A Date: 3/12 Document No. BF-35XL&VCH Product No. Model 35XL & 35XLVCH 

F

^

j

q

l

X

P



:

]

j

l

q

l

c

P

l

u

q

W

s

r

r

r

k

p

X

r

j

j

t

X

o

N

b

Zurn Industries, LLC | Wilkins 

S

a

d

o

l

q



S

K

`

j

R

K































p

l





















Page 1 of 2







Flow Characteristics

ഌ •

–

—

˜

™

š

›

œ



ž

˜

Ÿ

—

–

 

›

¡

Ÿ

¢

˜

™

 

£

–

¤

¤

¥

œ

¦

–

›

–

§

˜

¨

©

¡

˜

Ÿ

ª

MODEL 35XL 1/4" & 1/2"(STANDARD & METRIC) 0.32

10

0.63

PRESSURE LOSS (kpa)

PRESSURE LOSS (PSIG)

FLOW RATES (l/s)

69

35VCH

35

5

1/2" (15mm)

0

0

5

10

15

FLOW RATES (GPM)

MODEL 35XL 3/4", 1", 1 1/4" 1 1/2" & 2"(STANDARD & METRIC) 0.63

10

1.26

1.89

3.15 69

2.52

1 1/4" (32mm)

1" (25mm)

35

0

10

0

20

30

69

2" (50mm)

5

0

50

40

10

1 1/2" (40mm)

3/4" (20mm)

5

7.6

5

2.52

10

35

0

40

80

120

160

PRESSURE LOSS (kpa)

PRESSURE LOSS (PSIG)

FLOW RATES (l/s)

Typical Installation Local codes shall govern installation requirements. To be installed in accordance with the manufacturer’s instructions and the latest edition of the Uniform Plumbing Code. Unless otherwise specified, the assembly shall be mounted at a minimum of 6" (150mm) above the highest point of discharge with sufficient side clearance for maintenance. Because the Model 35 is not to be used under continuous pressure never place a shut-off or check valve downstream of the device. The installation shall be made so that no part of the unit can be submerged. MODEL 35XL

MODEL 35XL

6" MIN. ABOVE HIGHEST OUTLET

DIRECTION OF FLOW

SUPPLY VALVE

6" MIN. ABOVE HIGHEST OUTLET

SPRINKLER

DIRECTION OF FLOW

MODEL 35XL INSTALLATION

MODEL 35XL INSTALLATION

Specifications The Atmospheric Vacuum Breaker shall be ANSI 3rd party certified to comply with states' lead plumbing law 0.25% maximum weighted average lead content requirement, ASSE® Listed 1001. The main body shall be low lead brass (1/4"-2"). All internal polymers shall be NSF® Listed ULTEM™ or Polypropylene and the seat disc elastomers shall be Silicone. The device shall be accessible for maintenance without removing the device from the service line. The installation shall not be in a concealed or inaccessible location, or where the venting of water from the device, during normal functioning, may be deemed objectionable. The Atmospheric Vacuum Breaker shall be a WILKINS Model 35XL or Model 35XLVCH. Zurn Industries, LLC | Wilkins «

Í

Â

¬

­

Î

¬

®

Ç

­

®

µ

­

Î

¯

°

µ

Ð

Ï

µ

°

±

¹

²

³

±

´

µ



·

¸

µ

¹

¯

º

¯

»

¼

±

¹

·

®

½

¾

¿

À

¿

½

¿

Á

Â

­

­

Ã

Ä

¸

Å

¿

Æ

Ç

Ç

È

Ã

Ã

Â

È

Á

Æ

¬

Ã

·

É

µ

Ê

Æ

Ë

Ç

È

Ì

Â

Æ

È

Ç

¬

Ã

Ã

| Zurn Industries Limited

µ

Å

Ñ

µ

Ò

²

Ó

Ô

±

·

Õ

Ó

¹

¹

www.zurn.com

Ó

¹

¹

µ

Ñ

Ö

µ

·

×

Î

Ø

µ

²

Ó

¯

Ù

­

Ú

«

Ù

Ì

Ä

¸

Å

¿

Á

Ë

Ç

È

­

Ë

Ç

È

Æ

Ì

¬

Ì

·

É

µ

Ê

Á

Ë

Ç

È

­

Ë

Ç

È

«

Ì

Á

Ì

Page 2 of 2