UK Product Handbook 2026 - Volume 2

Pipeline ancillaries Disc, split disc and wafer check valves

10

Sizes and pipe connections Sizes DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200 and DN250

(1", 1¼", 1½", 2", 2½", 3", 4", 5", 6", 8", and 10") PN rated design fits between the following flanges: DN25 - DN80 (1" - 3")

EN 1092 PN25, PN16, PN40, JIS/KS 10K and JIS/KS 20K

DN100 - DN250 (4" - 10")

EN 1092 PN25, PN16, PN40 and JIS/KS 20K

The ASME rated design fits between the following flanges: DN25 - DN80 (1" - 3") (ASME version)

ASME B16.5 Class 150 and Class 300 DN32 and DN65 (1¼" and 2½") DN100 - DN250 (4" - 10") Face-to-face dimensions are in accordance with EN 558 Series 49 for the DN125 - DN200 (5" - 8") size range and EN 558 Series 52 for the DN250 (10").

Materials - DCV10 - DN25 - DN100 (1" - 4")

1

2

4

5

7.5.27

3

No.

Part

Material

PN

Austenitic stainless steel

1.4308

1

Body *

ASME

Austenitic stainless steel

A351 CF8

Austenitic stainless steel

A276 316L

10.5 36

2

Disc

Austenitic stainless steel

AISI 316L

3 4 5

Spider

Martensitic stainless steel

BS 3146-2 ANC2

Spring

Stainless steel

BS 2056 316 S42

Gaskets

Reinforced exfoliated graphite

* For DN32 and DN65 Material Austenitic stainless steel

1.4401 - 316L

TI-P601-32 CMGT Issue 11

Page 2 of 10

DCV10 Stainless Steel and DCV10C Carbon Steel Centrally Guided Disc Check Valves

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