Spirax Sarco - Catalogo Agosto 2017

Boiler house

Bottom blowdown systems

BBV43

Pressure / temperature limits - JIS / KS

��A

��

Pressure bar g

��

Steam

The product must not be used in this region.

��

saturation

curve

An extended cover is requir

��

and actuator must be heat traced to maintain normal operation.

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.

��

e d for use in this region.

��

High temperature packing required for use in this region.

��

Notes:

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

��

A-H-H

JIS/KS 40

Body design conditions

PMA Maximum allowable pressure

and

PMO Maximum operating pressure

TMA Maximum allowable temperature

Minimum allowable temperature

TMO Maximum operating temperature

Minimum operating temperature

Standard packing PTFE chevron (P)

High temperature packing (H)

JIS / KS40

68 bar g @ 120 °C

425 °C @ 40 bar g

-29 °C

250 °C @ 60 bar g

425 °C @ 40 bar g

-29 °C

156 bar g

JIS / KS30

51 bar g @ 120 °C

425 °C @ 30 bar g

-29 °C

250 °C @ 45 bar g

425 °C @ 30 bar g

-29 °C

156 bar g

Design for a maximum cold hydraulic test pressure of:

A-I-I

JIS/KS 30

Body design conditions

PMA Maximum allowable pressure

and

PMO Maximum operating pressure

TMA Maximum allowable temperature

Minimum allowable temperature

TMO Maximum operating temperature

Minimum operating 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 7 of 17

Boiler house

Bottom blowdown systems

BBV43

Pressure / temperature limits - JIS / KS

JIS/KS 40

JIS/KS 30

BBV Automatic or Manually Actuated Boiler Blowdown Valves DN15 to DN65

2.11.8