GESTRA BK 212, BK 212-5, BK 212-F91, BK 212-F91-5, BK 212-1.4901 Data Sheet

~

FLOWSERVE

~®

GESTRA

Duo

Steam

Trap

BK

212,BK212-5,

BK

212-1.4901,BK212-A5ME

ON

15,20,25

BK

Description

Thermostatic/thermodynamic
stand

waterhammer.

Installationinany
The

default

position.

factory

With

setting

steam

internal

enables

strainer

the

212-F91,

trap

with

corrosion

and

integral

steam

traptodischarge

BK

212-F91-5,

resistant
non-return

Thermovit®-

valve

action.

condensate

regulator

(S.S.bimetallic

Asbestos-free

with

virtuallynobanking-up.

Data

body

Sheet

Issue

plates)

gasket

818532-02

Date:

08/10

abletowith-

(graphite/CrNi).

BK212

..

BK212-ASME

Function

During

start-upofthe

direction,

the

nozzle
As

atthe
The

ata

The
thermal

valveiscompletely

towards

the

condensate

adjusted

thermostatic
given

undercooling

steam

trap

air-ventinginsteam

Pressure&temperature

BK

212,

body/cover:

PMA

(max.

allowable

TMA

(max.

allowable

Maxiumum

GalculatedInaccordance

BK212-5,
PMA
TMA
Maxiumum

GalculatedInaccordance

BK
PMA

x

TMA
Maxiumum

CalculatedInaccordance

BK
PMA
TMA
Maxiumum

CalculatedInaccordancevnth

BK212-1.4901,
PMA
TMA
Maxiumum

CalculatedInaccordance

BK
PMA
TMA
PMA
TMA

f"

GalculatedInaccordance

Attention:

differential

body/cover:

(max.

allowable

(max.

allowable

differential

212-F91,

(max.

allowable

(max.

allowable

differential

212-F91-S,

(max.

allowable

(max.

allowable

differential

(max.

allowable

(max.

allowable

differential

212-ASME,

(max.

allowable

(max.

allowable

(max.

allowable

(max.

allowable

PMX

(admissible

The

plant

the

closed
temperature

opening

temperature.

and

spring

temperature.

provides

automatic

1,7383,
pressure)
temperature)

pressuref"PMX

With

DINEN12516·2

pressure)
temperature)

pressuref"PMX

With

DINEN12516·2

body/cover:

pressure)
temperature)

pressuref"PMX

With

DINEN12516·2

bOdy/cover:

pressure)
temperature)

pressuref"PMX

DINEN12516·2

body/cover:

pressure)
temperature)

pressuref"PMX

With

DINEN12516·2

body/cover:

pressure)
temperature)
pressure)
temperature)

differential

with

ASME

selected

the

bimetallic

open.Asthe

position.

sinks,

characteristics

air-ventingatstart-up

systems.

ratings

screws:

1,7383,

screws:

1.4903/F91,

1.4903/F91,

1.4901,

A5TM

pressure)

B16.34

end

connections

(Duo

the

deflectionofthe

ofthe

1.7709

screws:

screws:

A182

F22,

may

stainless

condensate

stackofplates

[bar]g

rOC]

[bar]

1.4923
[bar]g

rOC]

[bar]

1.4923

[bar]g

[0C]

[bar]

screws:

[bar]g

[DC]

[bar]

1.4980

[bar]g

[DC]

[bar]

screws:

[bar]g

[DC]

[psi]g

rn

[bar]

[psi]

reduce

steel)

plates

are

flat.

The

service

temperature

and

1.4980

A193

the

pressure/temperature

rises,

the

bimetallic

Duo

stainless

steel

plates

are

balanced

such

during

operation

ofthe

630I630

20I300

630I630

20

775I775I741

20I425

775I775

20

800I800

20I500

B16

430

20 400 500 530 550

6250

100 750 950

I

I

I

450

I

I

I

I

525

I

I

I
I

(standard)

304 235 170 130

3220

4430

ratings.

pressure

plates

decreases

that

condensateisalways

plant.BK212

543 I 447 I
480 I 500 I

275

333 I 289 I
530 I 540 I

275

607 I

I

450 I 500 I

275

615 I 473 I
550 I 575 I

275

693 I 418 I
550 I 600 I

275

2230
1000

275

3625

deflect,

and

the

can

actsinthe

drawing

the

steam

trap

discharged

alsobeused

306

I

530I540

252I163
550I580

381

I

540I580

348I255
600I625

300

I

625I650

1455

1100

1050

opening

stage

opens

for

261

205

x

207

81
580
915

Materials

Type
Designation

Body

and

cover

Expansion

bolt
Thermovit®
Nozzle

steam

Other

internals

and

cap

regulator

and

seat

nut

BK212

DINIEN

1.7709

I
I

1.7383

I

Corrosion

resistant

Wear-resistant

High

grade

DuoS.S.

titanium

steels

alloy

BK212-S

DINIEN

1.4923

Design

BK212,

BK212-F91

Type
Designation

Body

and

cover
Expansion

bolt

and
Thermovit®
Nozzle
Other

Type
Designation

Body
Expansion
Thermovit®
Nozzle
Other

Type
Designation

Body
Set
Thermovit®
Nozzle
Other

steam

internals

and

steam

internals

and

screw

steam

internals

regulator

and

cover
bolt

and

regulator

and

cover

with

collar

regulator

and

Dimensions

E!r-

E

i[!.

BK212-F91

DINIEN

cap

nut

seat

cap

nut

seat

seat

~

;;,-

fu.

1.4923

BK

212-1.4901
DINIEN

1.4901

1.4980

Corrosion

resistant

Wear-resistant

High

grade

BK212-ASME

ASTM

ASTMA182

A193

Corrosion

resistant

Wear-resistant

High

grade

Corrosion
Wear-resistanttitaniurn

Duo

titanium

steels

F22

B16

DuoS.S.

titanlum

steels

High

S. S.
alloy

alloy

I
I

1.4903

I

resistant

grade

Duo

steels

BK

S. S.
alloy

212-F91-S

DINIEN

1.4980

o

Q

e

CD

o

G

e

Cover
Strainer
Gasket
Thermovif'
Body
Cap

nut

Expansion

regulator

bolt

with

reduced

shanktoDIN

2510

BK212willi

butt-weld

ends

-

continued

onpage

o

Sparepartslist seepage4

3-

Name

plate