Spirax Sarco - Catalogo Agosto 2017

Boiler house

Bottom blowdown systems

BBV83

Pressure / temperature limits - JIS / KS

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Pressure bar g

The product must not be used in this region.

An extended cover is required for use in this region.

High temperature packing required for use in this region.

Steam

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curve

urat ion

Notes:

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1. Where the process fluid temperature is sub-zero and the ambient temperature is below +5 °C, the external moving parts of the valve

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and actuator must be heat traced

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to maintain normal operation.

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2. When selecting a valve with a bellows scaled bonnet, the pressure / temperature limits of the bellows must be read in conjunction with

the valve pressure / temperature limits shown in table below.

Body design conditions

PMA Maximum allowable pressure

and

PMO Maximum operating pressure

TMO Maximum operating temperature

Minimum operating temperature

JIS / KS 40

68 bar g @ 120 °C

510 °C @ 36 bar g

-29 °C

250 °C @ 60 bar g

510 °C @ 36 bar g

-29 °C

156 bar g

JIS / KS 30

51 bar g @ 120 °C

490 °C @ 30 bar g

-29 °C

250 °C @ 45 bar g

490 °C @ 30 bar g

-29 °C

156 bar g

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TMA Maximum allowable temperature

A-U

JIS / KS 40

Minimum allowable temperature

Standard packing PTFE chevron (P)

High temperature packing (H)

Design for a maximum cold hydraulic test pressure of:

Body design conditions

PMA Maximum allowable pressure

and

PMO Maximum operating pressure

TMO Maximum operating temperature

Minimum operating temperature

TMA Maximum allowable temperature

A-V

JIS / KS 30

Minimum allowable temperature

Standard packing PTFE chevron (P)

High temperature packing (H)

Design for a maximum cold hydraulic test pressure of:

TI-P405-51 AB Issue 1

BBV Automatic or Manually Actuated Boiler Blowdown Valves DN15 to DN65

Page 13 of 17

Boiler house

Bottom blowdown systems

BBV83

Pressure / temperature limits - JIS / KS

JIS / KS 40

JIS / KS 30

BBV Automatic or Manually Actuated Boiler Blowdown Valves DN15 to DN65

2.11.14