7.2.1

Steam

saturation

curve

Pipeline ancillaries

HV3 stop valve

Local regulations may restrict the use of this product to below the conditions quoted.

In the interests of development and improvement of the product, we reserve the right to change the specification without notice.

© Copyright 2012

TI-P060-01

ST Issue 7

HV3

Stop Valve

Description

A bronze bodied globe valve for steam, water, oil or air applications.

To BS 5154 Series A.

Sizes and pipe connections

1⁄2", 3⁄4", 1", 11⁄4",11⁄2" and 2" screwed BSP parallel.

Pressure/temperature limits

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The product must not be used in this region.

Maximum body design conditions

12

11

6

10

9

8

7

5

1

4

3

2

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Pressure bar g

PN25

25 bar g @ 170°C

260°C @ 10.5 bar g

-10°C

25 bar g @ 170°C

260°C @ 10.5 bar g

-10°C

Designed for a maximum cold hydraulic test pressure of 38 bar g

PMA Maximum allowable pressure

TMA Maximum allowable temperature

Minimum allowable temperature

PMO Maximum operating pressure

TMO Maximum operating temperature

Minimum operating temperature

Materials

No. Part

1 Body

2 Valve seat

3 Valve

4 Lock-nut

5 Bonnet

6 Stem

1⁄2" - 1"

11⁄4" - 2"

7 Washer

8 Gland packing

9 Gland

10 Packing nut

11 Handwheel

12 Handwheel nut

Material

Gunmetal

Stainless steel

Stainless steel

Gunmetal

Gunmetal

Austenitic

Gunmetal

Gunmetal

PTFE

Gunmetal

Gunmetal

Aluminium

Brass

BS 1400 LG2

AISI 431

AISI 431

BS 1400 LG2

BS 1400 LG2

BS 970 303 S31

BS 1400 LG2

BS 1400 LG2

BS 1400 LG2

stainless steel

BS 1400 LG2

DIN 1725 GK-A1 Si 1

DIN 17660 MS63

Kv values

Size

1⁄2"

3⁄4"

1"

11⁄4"

11⁄2"

2"

Kv

1.3

1.6

4.2

13.8

19.7

28

For conversion:

Cv (UK) = Kv x 0.963

Cv (US) = Kv x 1.156

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m

p

e

r

a

t

u

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C