Emerson 627F Manuál s instrukcemi stáhnout pdf (Strana 2)

Type 627F

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

Specications

The Specications section gives some general specications for the Type 627F regulator. The nameplates

give detailed information for a particular regulator as it comes from the factory.

Body Sizes and End Connection Styles

Ductile iron: 3/4, 1, or 2 NPT

Steel: 3/4, 1, or 2 NPT;

NPS 1 or 2 / DN 25 or 50, CL150 RF,

CL300 RF, CL600 RF, PN 16/25/40 RF Flanged

Minimum Pressure Differential

20 psid / 1.4 bar d

Maximum Inlet and Differential Pressures

(1)

See Table 2

Maximum Emergency Outlet Pressure

(1)

250 psig / 17.2 bar for all Type 627F actuators and

Type 6351F pilot components

Outlet Pressure Ranges

5 to 100 psig / 0.34 to 6.9 bar

See Table 1

Orice Sizes

3/8 x 1/8, 3/8 x 1/4, 3/8, or 1/2 inch /

9.5 x 3.2; 9.5 x 6.4; 9.5; or 13 mm

Temperature Capabilities

(1)

-20 to 180°F / -29 to 82°C

Flow Coefcients

See Table 4

IEC Sizing Coefcients

See Table 5

Pressure Registration

External

Pilot Supply Connection

1/4 NPT

Pilot Sense Connection

1/4 NPT

Body Tap Connection

1/4 NPT (ductile iron body only)

Approximate Weights

NPT body with Ductile iron or steel casings:

10 pounds / 4 kg

NPT body with aluminum casings:

6.3 pounds / 3 kg

Flanged body with steel casings:

18 pounds / 8 kg

Flanged body with Ductile iron casings:

14 pounds / 6 kg

Table 1. Outlet Pressure Ranges

ORIFICE SIZE MAXIMUM INLET PRESSURE MAXIMUM PRESSURE DIFFERENTIAL

inch mm psig bar psig bar

3/8 x 1/8

3/8 x 1/4

3/8

1/2

9.5 x 3.2

9.5 x 6.3

9.5

250

125

17.2

8.6

250

125

17.2

8.6

Table 2. Maximum Allowable Inlet Pressures and Pressure Differential

PILOT TYPE

OUTLET PRESSURE RANGE

PILOT CONTROL SPRING INFORMATION

Part Number Color Code

Wire Diameter Free Length

psig bar inches mm inches mm

6351F

5 to 35

35 to 100

0.34 to 2.4

2.4 to 6.9

1B788327022

1K748527022

Unpainted

Red

0.142

0.192

3.61

4.88

2.13

2.19

54.1

55.6

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

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