Pipeline ancillaries

Lift check valves

Page 6 of 8

7.5.9

Unit

LCV3

Flanged

Screwed Flanged

LCV4

Screwed

Socket weld

Flanged

LCV6

Screwed

Socket weld

LCV7

Flanged

Screwed

DN15

1⁄2" 4.30 3.10 5.05

3.65 5.19

3.79 4.64 3.24

DN20

3⁄4" 5.50 4.10 6.43

5.33 6.60

5.50 5.89 4.29

DN25

1" 5.82 4.10 6.58

4.18 6.77

4.37 6.04 3.74

DN32

11⁄4" 10.23 7.20 12.89

9.59 13.37

10.07 11.99 8.69

DN40

11⁄2" 11.43 8.00 14.35

9.55 14.77

9.97 13.18 9.28

DN50

2" 14.96 10.50 16.86

12.06 17.51

12.71 15.65 10.65

DN65

21⁄2" 27.04 32.25 33.13 29.53

DN80

3" 29.47 36.02 37.00 33.00

DN100

4" 48.93 52.06 53.47 48.82

Materials

No.

Part

Material

Cast iron body with SG iron cover

SG iron body with cast iron cover

Carbon steel

Stainless steel

SG iron

Reinforced exfoliated graphite

Stainless steel

Stainless steel

Stainless steel

Stainless steel

Stainless steel

Stainless steel

Cast steel

Cast steel

Stainless steel

Cast steel

Stainless steel

PN /BSP

Standard

ASME/NPT/SW

LCV3

ASME

PN

Cover (1)

Body (2)

EN 1561 GJL250

EN 1563 GJS400-15

EN 10213 1.0619+N

EN 10213 1.4408

EN 1563 GJS400-18LT

Graphite

431

431

316L

431

316L

316 S 42

Grade 8.8

Grade 8.8

A2-70

Grade 8.8

316L

ASTM A395

ASTM A126 Class B

ASTM A216 WCB

ASTM A351-CF8M

ASTM A395

Graphite

431

431

316L

431

316L

316 S 42

Grade 8.8

Grade 8.8

A2-70

Grade 8.8

316L

1 and 2

Body and cover LCV4

LCV6

LCV7

3

4 and 5

Seat and guide

Gasket

6

7

8

9

Disc

Spring

Bolt

Seat retainer

8

LCV3

LCV4

LCV6

LCV7

LCV3

LCV4

LCV6

LCV7

1

5

3

2

9

Weights (approximate) in kg

4

6

7

3

LCV3, LCV4, LCV6 and LCV7 Lift Check Valves

TI-P029-16 ST Issue 4

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