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Type

EV250B

2/2-way

EV220B 6-22

2/2-way

EV220B 15-50

2/2-way

EV225B

2/2-way

Media

See table below for description

of symbols used

Characteristics

Dirty media

ü

ü

ü

Long lifetime

ü

ü

ü

ü

Soft closing

(Low water hammer)

ü

ü

ü

System suitability

Closed and drain

Open

Open

Open

Connection

3/8 to 1 NPT

¼ to 1 NPT

to 2 NPT

¼ to 1NPT

Function

NC or NO

NC or NO

NC or NO

NC

Orifice size (in.)

0.39 to 0.87

0.24 to 0.87

0.59 to 1.97

0.24 to 0.98

Pressure range

0 to 145 psi

0 to 10 bar

1.45 to 435 psi

0.1 to 30 bar

4.35 to 232 psi

0.3 to 16 bar

2.9 to 145 psi

0.2 to 10 bar

Maximummedium

temperature

284 °F

140 °C

212 °F

100 °C

284 °F

140 °C

365 °F

185 °C

Flow Rate (Cv / Kv)

2.9 to 8.2 gal/min

2.5 to 7 m

3

/hr

0.82 to 7 gal/min

0.7 to 6 m

3

/hr

4.7 to 46.8 gal/min

4 to 40 m

3

/hr

0.35 to 7 gal/min

0.3 to 6 m

3

/hr

Special features

Approvals

WRAS

1

, VA and UL

WRAS

1

, VA, UL,

and Marine

GL, WRAS

1

, UL

VA and Marine

UL

Material

Valve body

DZR Brass

Brass or

DZR brass

Brass or DZR Brass

DZR Brass

Internal

Stainless steel

Stainless steel

Stainless steel

Stainless steel

Seal material

EPDM or FKM

EPDM or FKM

EPDM, FKM or NBR

PTFE

Product Overview

Fluid Controls

1

WRAS approval only applied to valves with EPDM seal material and Normally Closed (NC).

Media

Symbol

Seal Materials

EPDM

FKM

NBR

PTFE

°F

°C

°F

°C

°F

°C

°F

°C

Water

- 22 to 284 -30 to 140 32 to 212 0 to 100 14 to 194 -10 to 90

Oil

32 to 212 0 to 100 14 to 194 -10 to 90

Air and Neutral Gases

32 to 212 0 to 100 14 to 194 -10 to 90

Steam

< 284

< 140

< 365

< 185