Emerson Y690A Manuel d'instructions télécharger pdf (Page 2)

Y690A Series

Specications

Available Congurations

Type Y690A—Low-pressure, 1 to 7-inches w.c.

(2 to 17 mbar), direct-operated regulator with

internal registration requiring no downstream

control line.

Type Y690AH—High-pressure, 5-inches w.c. to

7 psig (12 mbar to 0,48 bar), direct-operated

regulator with internal registration requiring no

downstream control line.

Type Y690AM—Low-pressure, 1 to 7-inches w.c.

(2 to 17 mbar), direct-operated regulator. The

Type Y690AM has a blocked throat and O-ring

stem seal for use when external registration is

required. Lower diaphragm casing assembly is

tapped for 1/2 NPT for control line connection.

Type Y690AHM—High-pressure, 5-inches w.c. to

7 psig (12 mbar to 0,48 bar), direct-operated

regulator with a blocked throat and O-ring stem

seal for use when external registration is required.

Lower diaphragm casing assembly is tapped for

1/2 NPT for control line connection.

Body Sizes and End Connection Styles

See Table 1

Maximum Allowable Inlet Pressure

(1)

150 psig (10,3 bar)

Maximum Operating Inlet Pressure

(1)

See Table 3

Maximum Outlet (Casing) Pressure

(1)

150 psig (10,3 bar)

1. The pressure/temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded.

TYPES OUTLET PRESSURE RANGES

SPRING PART

NUMBER

SPRING

COLOR

SPRING WIRE

DIAMETER,

INCHES (mm)

SPRING FREE

LENGTH,

INCHES (mm)

Y690A and Y690AM

1 to 2.5-inches w.c.

2.5 to 7-inches w.c.

(2 to 6 mbar)

(6 to 17 mbar)

1B558527052

(1)(2)

1B653827052

(1)

Orange

Red

0.072

0.085

(1,83)

(2,16)

3.78

3.62

(96,0)

(92,0)

Y690AH and

Y690AHM

5 to 10-inches w.c.

7 to 16-inches w.c.

15-inches w.c. to 1.2 psig

(12 to 25 mbar)

(17 to 40 mbar)

(37 mbar to 0,08 bar)

1B653827052

1B653927022

1B537027052

Red

Unpainted

Yellow

0.085

0.105

0.114

(2,16)

(2,67)

(2,90)

3.62

3.75

4.31

(92,0)

(95,2 )

(109)

1.2 to 2.5 psig

2.5 to 4.5 psig

4.5 to 7 psig

(0,08 to 0,17 bar)

(0,17 to 0,31 bar)

(0,31 to 0,48 bar)

1B537127022

1B537227022

1B537327052

Light green

Light blue

Black

0.156

0.187

0.218

(3,96)

(4,75)

(5,54)

4.06

3.94

3.98

(103)

(100)

(101)

1. To achieve the published outlet pressure range the spring case must be installed pointing down.

2. Do not use Fluorocarbon (FKM) diaphragm with this spring at diaphragm temperatures lower than 60°F (16°C).

Table 2. Outlet Pressure Ranges

Maximum Emergency Outlet Pressure to Avoid

Internal Parts Damage

(1)

150 psig (10,3 bar)

Outlet Pressure Ranges

(1)

See Table 2

Orice Sizes and Flow Sizing Coefcients

See Table 4

Regulator Temperature Capabilities

(1)

With Nitrile (NBR):

-20° to 180°F (-29° to 82°C)

With Fluorocarbon (FKM):

40° to 300°F (4° to 149°C)

With Ethylenepropylene (EPDM):

-20° to 275°F (-29° to 135°C)

With Peruoroelastomer (FFKM):

-20° to 300°F (-29° to 149°C)

Pressure Registrations

Types Y690A and Y690AH: Internal

Types Y690AM and Y690AHM: External

Spring Case Connection

1/4 NPT

Diaphragm Case Connection

1/2 NPT

Approximate Weight

19 pounds (9 kg)

BODY SIZE, NPS (DN)

BODY MATERIAL

(1)

Ductile Iron Stainless Steel

3/4 or 1 (20 or 25) NPT NPT, CL150 RF, CL300 RF, or PN 16/25/40

1. All anges are welded.

Table 1. Body Sizes and End Connection Styles

1 2 3 4 5 6 7 ... 11 12

Y690A Series 1

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Emerson Y690A Manuel d'instructions Page 2

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