610-497-2600

MODEL 140 LIQUID RELIEF VALVE

Features

• Compact design requires minimum installation space.
• Angle lapped seat provides tight shutoff.
• Tested and inspected for pressure setting and leakage.
• Female NPT inlet option available.
• 50 psig (3.45 barg) maximum back pressure[1].

NOTE

1. Back pressure increases set pressure on a one to one basis, and reduces capacity. Back pressure in excess of 10% of set pressure is not recommended.

GENERAL APPLICATION

Model 140 is a general utility valve of all stainless steel construction, including spring, for non-code liquid applications.

TECHNICAL DATA

Connections:Threaded NPT
Temperature range:-60° to 406°F (-51° to 208°C)
Pressure range:10 to 300 psig (1.69 to 20.7 barg)

PARTS AND MATERIALS

No.Part NameMaterial
1NozzleSS A582-303
2O-ringPTFE
3DiscSS A743-CF8
4BonnetSS A743-CF8
5SpringSS A313-302
6GasketPTFE
7Compression screwSS A479-304
8CapSS A479-304

SPECIFICATIONS

SizeDimensions (in)Weight
InletOutletABC(oz)
⅜” or ½”½”11/16414

Dimensions are for reference only

SELECTION GUIDE

Example:0140-B01-ME0100
Model

0140

Inlet size

B       ⅜"

C       ½"
Variation

01       Catalog standard

02       FNPT x FNPT
Design revision

Indicates non-interchangeable revision

Dash (-) if original design
Service

M       Non-code liquid
Spring material

E       302 SS
Set pressure

0060       60 psig (4 barg)

4000       4000 psig (276 barg)

CAPACITIES FOR NON-CODE LIQUID – 25% ACCUMULATION (GPM)

Set pressureCapacity
psigGPM
100.9
201.5
302.1
402.8
503.4
604.1
704.8
805.5
906.2
1006.9
1107.6
1208.3
1309.0
1409.6
15010.2
16010.8
17011.3
18011.8
19012.3
20012.8
21013.2
22013.5
23013.8
24014.1
25014.3
26014.5
27014.6
27014.6
29014.6
30014.5
WordPress Themes