Norgren 200 Series Nugget Spool Valves Manual de usuario descargar pdf (Pagina 22)

Nugget 200 Spool Valves

VAL-10-22

Littleton, CO USA Phone: 303-794-2611 www.norgren.com

Operator Operating

Pressure Weight Repair

Position

ISO-G PTF

Description psig (bar) lbs. (kg) Kit

2-Position

KAB KAA detent, large air

25 .73

54344-16

Valves (1.7) (.33)

KA5 KA2 nondetent, large air

15 .70

54344-16

(1.0) (.32)

KAF KAE detent bleed - .02 (.5mm) diameter bleed orifice

25 .73

54344-16

(1.7) (.33)

KA9 KA8 nondetent bleed - .02 (.5mm) diameter bleed orifice

15 .70

54344-16

(1.0) (.32)

KA7 KA6 nondetent, low pressure (inline only)

4 2.46

(.27) (1.12) –

KA4 KA1

nondetent, air bias (small air), return for manual operators or as air 25 .33

54344-16

bias with KA2 or KA5 (1.7) (.15)

KS5 KS4 nondetent, spring bias, use with KA2 or KA5

35 .44

54344-16

(2.5) (.20)

3-Position

KAD KAC spring centered

25 .73

54344-16

Valves (1.7) (.33)

Air Operators

1.16

(29.5)

1.51

(38.4)

.59

(15.0)

KAA/KAF

KA2, KA5

KA8, KA9

LARGE AIR

1/8-27 PTF or

G 1/8 ISO

.52

(13.2)

1/8-27 PTF or

G 1/8 ISO

KA1, KA4

SMALL AIR

(AIR BIAS)

.85

(21.6)

1/8-27 PTF or

G 1/8 ISO

(2 Places)

KA6, KA7

LOW PRESSURE

4.53

(115.0)

1.25

(31.8)

1.16

(29.5)

2.30

(58.4)

KS4, KS5

SPRING BIAS

1/8 PTF

G 1/8 ISO

Air Bleed Operators

Air bleed operators have a 0.02"

(0.5 mm) diameter orifice which

connects pressure port 1 of the

main valve to the operator

piston and to atmosphere. A

small amount of air constantly

bleeds to atmosphere. The valve

spool shifts when air bleed is

stopped by a customer-supplied

on-off valve.

KA6 Low Pressure

Operator

(inline valves only)

The low pressure operator will

shift the valve spool with only 4

psig (.28 bar) applied to Port B

(Port A open). A minimum

vacuum of 6.1" Hg (with HS1

spring return) applied to port A

(Port B open) will also operated

the valve. The KA6 operator can

also be used as a differential

pressure operator with or

without spring return.the

differential pressure required to

shift the valve spool without a

spring return is less than 1 psig

(2" Hg). A filter/breather should

be installed in the open port to

reduce the possibility of internal

contamination.

KA1 Air Bias Operator

Piston area of the KA1 operator

is approximately 1/2 of the KA2

piston. When pressure is

applied to the KA1 operator the

valve spool shifts to the KA2

end. When pressure is applied

to both the KA1 and KA2

operators the valve spool shifts

to the KA1 end.

KS4 Spring Bias Operator

Piston area of the KS4 operator

is the same as the KA2

operator. The piston is the KS4

operator is spring loaded to shift

the valve spool to the KA2 end.

The valve spool shifts to the

KS4 end when pressure is

applied to the KA2 operator.

When pressure is applied to

both the KS4 and KA2

operators the valve spool shifts

to the KA2 end.

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Norgren 200 Series Nugget Spool Valves Manual de usuario Pagina 22

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