Emerson T205B Manuál s instrukcemi stáhnout pdf (Strana 2)

Type T205B

Specications

This section lists the specications of the Type T205B Tank Blanketing Regulator. Factory specication, such as

maximum temperature, maximum inlet and outlet pressures, spring range and seat or orice size are stamped on

the nameplate fastened on the regulator at the factory.

Body Sizes and End Connection Styles

See Table 1

Maximum Allowable Inlet Pressure

(1)

See Table 1

Maximum Operating Inlet Pressure

(1)

Gray cast iron: 150 psig / 10.3 bar

WCC Carbon steel or CF8M/CF3M Stainless

steel: 200 psig / 13.8 bar

Maximum Outlet (Casing) Pressure

(1)

Gray cast iron: 35 psig / 2.4 bar

WCC Carbon steel or CF8M/CF3M Stainless

steel: 75 psig / 5.2 bar

Maximum Emergency Outlet Pressure to Avoid

Internal Parts Damage

(1)

With Nitrile (NBR) or Fluorocarbon (FKM)

diaphragm: 35 psig / 2.4 bar

With Fluorinated Ethylene Propylene (FEP)

diaphragm: 10 psig / 0.69 bar

Outlet (Control) Pressure Range

(1)

See Table 2

Shutoff Classication per ANSI/FCI 70-3-2004

Class VI (Soft Seat)

Pressure Registration

External

Material Temperature Capabilities

(1)(2)

Elastomer Parts

Nitrile (NBR): -40 to 180°F / -40 to 82°C

Fluorinated Ethylene Propylene (FEP):

-20 to 180°F / -29 to 82°C

Fluorocarbon (FKM): 40 to 300°F / 4 to 149°C

Ethylene Propylene Diene (EPDM):

-20 to 225°F / -29 to 107°C

Peruoroelastomer (FFKM):

0 to 300°F / -18 to 149°C

Body Materials

Gray cast iron: -20 to 300°F / -29 to 149°C

WCC Carbon steel: -20 to 300°F / -29 to 149°C

CF8M/CF3M Stainless steel:

-40 to 300°F / -40 to 149°C

Spring Case Vent Connection

1/4 NPT

Diaphragm Case Control Line Connection

1/2 NPT

Approximate Weight

17.7 pounds / 8 kg

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

2. See Table 4 for operating temperature ranges for available trim combinations.

Table 2. Outlet (Control) Pressure Ranges and Spring Information

OUTLET (CONTROL)

PRESSURE RANGE

SPRING

PART NUMBER

SPRING

COLOR

SPRING WIRE DIAMETER SPRING FREE LENGTH

Inch w.c. mbar Inch mm Inch mm

1 to 2.5

(1)(2)

2.5 to 6.2

(1)(2)

1B558527052 Orange 0.072 1.8 3.25 82.6

2.5 to 7

(2)

6.2 to 17

(2)

1B653827052 Red 0.085 2.2 3.63 92.2

7 to 16 17 to 40 1B653927022 Unpainted 0.105 2.7 3.75 95.2

0.5 to 1.2 psig 34 to 83 1B537027052 Yellow 0.114 2.9 4.31 109

1.2 to 2.5 psig 83 to 172 1B537127022 Green 0.156 4.0 4.06 103

2.5 to 4.5 psig 0.17 to 0.31 bar 1B537227022 Light Blue 0.187 4.8 3.94 100

4.5 to 7 psig 0.31 to 0.48 bar 1B537327052 Black 0.218 5.5 3.98 101

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

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

BODY SIZE

BODY MATERIAL

END CONNECTION

STYLE

(1)

MAXIMUM ALLOWABLE INLET PRESSURE

Inch DN psig bar

3/4 or 1 20 or 25

Gray cast iron NPT 150 10.3

WCC Carbon steel

NPT, CL150 RF,

CL300 RF or

PN 16/25/40 RF

200 13.8

CF8M/CF3M

Stainless steel

(2)

1. All flanges are welded. Weld-on flange dimension is 14 inches / 356 mm face-to-face.

2. Pipe nipples and flanges are 316 Stainless steel for flanged body assemblies.

Table 1. Body Sizes, End Connection Styles and Maximum Allowable Inlet Pressures

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

Type T205B 1

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