Boiler house

Blowdown vessels

2.9.19

Steam

satura

curve

Steam

saturation

curve

tion

Technical data

Operating time (full stroke)

Operating media

Compressed air consumption @ 6 bar g

LSB31 switch rating

Protection rating

Switch sensor

DN25

DN32

DN40

DN50

DN65

BVA315S/14

BVA320S/14

BVA325S/14 actuator

BVA330S/14 actuator

0.25 - 0.6 seconds

Clean compressed air

Non-corrosive gas

0.0002 (N)m

3

/ stroke

0.0006 (N)m

3

/ stroke

0.0008 (N)m

3

/ stroke

0.0011 (N)m

3

/ stroke

10 A 250 Vac

IP67

Mechanical 2 - SPDT

Pressure / temperature limits

ABV21i

The product must not be used in this region.

ABV40i

Pressure bar g

Valve

Body design conditions

ABV21i

ABV40i

ABV21i

ABV40i

PN40

ASME 300

40 bar g @ 120 °C

51 bar g @ 38 °C

260 °C @ 0 bar g

-29 °C

17.25 bar g

260 °C @ 0 bar g

-29 °C

60 bar g

76.5 bar g

80 °C

0 °C

8 bar g

Pressure bar g

PMA Maximum allowable pressure

TMA Maximum allowable temperature

Minimum allowable temperature

PMO Maximum operating pressure for saturated steam service

TMO Maximum operating temperature

Minimum operating temperature (Note: For lower operating temperatures consult Spirax Sarco)

PMX Maximum differential pressure is limited to the PMO

Designed for a maximum cold hydraulic test pressure of:

Actuator

Maximum ambient temperature

Minimum ambient temperature

Maximum air supply pressure

Minimum air supply pressure

MV series solenoid

Maximum ambient temperature

Minimum ambient temperature

ABV21i

ABV40i

Depends on operating conditions

50 °C

0 °C

Page 2 of 7

TI-P405-45 EMM Issue 3

ABV21i and ABV40i Air Actuated Boiler Blowdown Valves

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