Emerson 66R Instrukcja Obsługi Pobierz pdf (Strona 2)

Types 66R and 66RR













 

2 (50)

NPT or CL125 FF

anged

NPT, CL150 RF, and

CL300 RF anged

3, 4

(80, 100)

CL125 FF anged CL150 RF anged





 8 psig (0,55 bar), including build-up

10 psig (0,69 bar), including build-up





2-inches w.c. to 5 psig

(5 mbar to 0,34 bar) in 7 ranges

4-inches w.c. to 7 psig

(10 mbar to 0,48 bar) See Table 1



8 psig (0,55 bar)

 10 psig (0,69 bar)



2-inch (51 mm)

 3-inch (76 mm)

 4-inch (102 mm)



-20° to 180°F (-29° to 82°C)



0° to 350°F (-18° to 177°C)



Adjusting screw



Internal  or external

External on pilot and internal in main valve





Control Line (If Used): 3/4 NPT internal

Spring Case Vent: 3/4 NPT internal with removable

Type Y602-10 vent assembly



Pilot Body: 3/4 NPT internal

Pilot Diaphragm Case: 1/2 NPT internal

Pilot Spring Case: 1/4 NPT internal





NPT: 50 pounds (23 kg) for Type 66R or

65 pounds (30 kg) for Type 66RR

Flanged: 55 pounds (25 kg) for Type 66R or

70 pounds (32 kg) for Type 66RR

 100 pounds (45 kg) for

Type 66R or 115 pounds (52 kg) for Type 66RR

 155 pounds (70 kg) for

Type 66R or 170 pounds (77 kg) for Type 66RR

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

some of the pressure from the top of the main valve

diaphragm. At the same time, the inlet pressure increase

registers on the bottom of the main valve diaphragm.

The pressure differential acting on the main valve diaphragm

moves this diaphragm upward, opening the main valve.

Further increases in inlet pressure continue to open the pilot

valve disk and the main valve plug. When inlet pressure

returns to the pilot control spring setting, the pilot disk

closes, allowing inlet pressure to load the top of the main

valve diaphragm through the xed restriction. This equalizes

the pressures acting on this diaphragm, and the main valve

spring closes the main valve plug.









 









Standard

4 to 9-inches w.c. (10 to 22 mbar)

(1)

5 to 15-inches w.c. (12 to 37 mbar)

(1)

12 to 28-inches w.c. (30 to 70 mbar)

(1)

0.9 to 2.5 psig (0,06 to 0,17 bar)

1.3 to 4.5 psig (0,09 to 0,31 bar)

1B653827052

1B653927022

1B537027052

1B537127022

1B537227022

Red

Olive drab

Yellow

Light green

Light blue

0.085 (2,16)

0.105 (2,67)

0.114 (2,90)

0.156 (3,96)

0.187 (4,75)

3.625 (92,1)

3.750 (95,3)

4.188 (106)

4.060 (103)

3.938 (100)

Special 3.8 to 7 psig (0,26 to 0,48 bar) 1B537327052 Black 0.218 (5,54) 3.980 (101)

1. Published ranges are with the spring case pointed up.

Table 1. Type Y695RR Pilot Control Spring Selection

















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

Types 66R and 66RR 1

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Emerson 66R Instrukcja Obsługi Strona 2

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