EURO 20 Type 21 PFA10/16 - Standard Version

With ears

The below schema only applies to the NG
products

EURO 20 Type 21 PFA10/16 - Standard Version

RANGE / MARK ®
Valves ® EURO20
CHOICE OF PRODUCT
Flanged Valves
Valves type 21
PRODUCT FAMILY
VALVES
VALVES
Gate valve
Gate valve
Main features

The EURO 20 type 21:

  • is composed of flanges with standard face to face dimensions (DN + 200 mm),
  • version NG : DN65-300
  • with ears from DN200

(*) DN80: drilling 8 holes. For drilling 4 holes, please replace the 8th letter of the reference by the letter H.

From DN65 up to 125 there are differences between the square top of the stem on anti-clockwise (ACC) and clockwise (CC) versions.

Material and coating

The below schema only applies to the NG products

ItemDesignationMaterialCoating

1

Operating stem

Stainless steel type X20Cr13 acc. EN10088-3

-

2

Bearing nut

Ductile Iron GS EN GJS 400-15 or 500-7 acc. EN 1563

EVA (Ethylene Vinyl Acetate) 250 microns mini

3

Bush

Brass type CuZn39Pb2 acc. EN12164

-

4

Body

Ductile Iron GS EN GJS 400-15 or 500-7 acc. EN 1563

Blue Epoxy (*)

5

Operating nut

Brass type Cu Zn39Pb2 acc. EN12164

-

6

Gate

Ductile iron acc. EN1563 and EN681-1 selon EN 1563

EPDM on ductile iron and polyamide brackets

7

Bonnet

Ductile Iron GS EN GJS 400-15 or 500-7 acc. EN 1563

Blue Epoxy (*)

8

Yoke

Ductile Iron GS EN GJS 400-15 or 500-7 acc. EN 1563

EVA (Ethylene Vinyl Acetate) 250 microns

9

Van O Fra

Chloropren class 60 WA category acc. EN 681-1

-

10

Seal bush

Elastomer Nitrile NBR WRC 70

-

11

Lock washer

Stainless steel 304 or X2CrMoTi18-2 acc. EN 10088

-

12

Yoke-Bonnet- gasket

Nitrile NBR 70

-

13

Bearing bonnet joint

Polyamide type PA 6-6

-

14

Thrust washer

Polyamide type PA 6-6

-

15

Body bonnet gasket

Elastomer EPDM acc. EN681-1

-

(*) thickness 250 microns mini average according prescriptions of EN14901

NF Mark (with flanges in short version S14 and long version S15)

SG Pam is authorized by CSTB to affix the NF Mark on this product (except DN350 and DN400). The product is in compliance with the following complementary standards and specifications:

  • NF EN 1074-1 : Valves for water supply – Fitness for purpose requirements and appropriate verification tests – Part 1 : General requirements.
  • NF EN 1074-2 : Valves for water supply – Fitness for purpose requirements and appropriate verification tests – Part 2 : Isolating Valves.
  • NF 197 : Certification Rules of the NF Mark – Valves – Hydraulic Fountain Fittings.

Solutions