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T205 Series

Specications

The Specications section on this page provides the ratings and other specications for the T205 Series. Factory specication

such as type, maximum inlet pressure, maximum temperature, maximum outlet pressure, spring range and orice size are

stamped on the nameplate fastened on the regulator at the factory.

Product Congurations

Type T205: Tank blanketing regulator with outlet

pressure range of 1-inch w.c. to 7 psig / 2.5 mbar to

0.48 bar in seven different spring ranges and has

internal pressure registration requiring no downstream

control line.

Type T205M: Similar to Type T205 but has a blocked

throat and a downstream control line connection for

external pressure registration.

Body Sizes and End Connection Styles

See Table 1

Maximum Allowable Inlet Pressure

(1)

See Table 1

Maximum Operating Inlet Pressure

(1)

See Table 2

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 Ranges

(1)

See Table 3

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

2. See Table 5 for operating temperature ranges for available trim combinations.

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

Class VI (Soft Seat)

Pressure Registration

Type T205: Internal

Type T205M: 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 (Type T205M)

1/2 NPT

Approximate Weight

17.7 pounds / 8 kg

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

BODY SIZE

BODY MATERIAL END CONNECTION STYLES

(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 anges are welded. Weld-on ange dimension is 14 inches / 356 mm face-to-face.

2. Pipe nipples and anges are 316 Stainless steel for anged body assemblies.

Table 2. Maximum Operating Inlet Pressures

ORIFICE

SIZE

MAXIMUM OPERATING INLET PRESSURE

1 to 2.5 Inches w.c. /

2.5 to 6.2 mbar

Outlet (Control)

Pressure Setting

2.5 to 7 Inches w.c. /

6.2 to 17 mbar

Outlet (Control)

Pressure Setting

7 to 16 Inches w.c. /

17 to 40 mbar

Outlet (Control)

Pressure Setting

0.5 to 1.2 psig /

34 to 83 mbar

Outlet (Control)

Pressure Setting

1.2 to 2.5 psig /

83 to 172 mbar

Outlet (Control)

Pressure Setting

2.5 to 4.5 psig /

0.17 to 0.31 bar

Outlet (Control)

Pressure Setting

4.5 to 7 psig /

0.31 to 0.48 bar

Outlet (Control)

Pressure Setting

Inch mm psig bar psig bar psig bar psig bar psig bar psig bar psig bar

1/8 3.2 200

(1)

13.8

(1)

200

(1)

13.8

(1)

200

(1)

13.8

(1)

200

(1)

13.8

(1)

200

(1)

13.8

(1)

200

(1)

13.8

(1)

200

(1)

13.8

(1)

1/4 6.4 60 4.1 102 7.0 102 7.0 102 7.0 200

(1)

13.8

(1)

200

(1)

13.8

(1)

200

(1)

13.8

(1)

3/8 9.5 30 2.1 40 2.8 100 6.9 60 4.1 125 8.6 125 8.6 125 8.6

1/2 13 15 1.0 15 1.0 8 0.55 30 2.1 30 2.1 30 2.1 30 2.1

9/16 14 10 0.69 10 0.69 20 1.4 10 0.69 30 2.1 30 2.1 30 2.1

1. Inlet pressure is limited to 150 psig / 10.3 bar for gray cast iron bodies.

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

T205 Series 1

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