Page 18 - RACI

SERVICE VALVES 2 SERVICE VALVES

FEMALE/MALE AT 90°

MODEL 2251 PN 16 DN 1“ - 2“

One end with internal threading and the other at 90°
with external threading.

ød special features
a
d5 • Straight model with one end with internal threading
and the other at 90° with external threading for direct
h connection to the saddle.

• Manufactured according to the requirements of EN
1074.

• Body and bonnet high quality powder coated (fusion
bonded), coating thickness (DFT min. 250 microns),
zero porosity (tested with 3000V), high impact
resistance and cross-linkage according to DIN 30677-2
and DIN 3476.

• Multiple O-Ring spindle sealing system embedded in
non-corrosive material to DIN 3547-1.

• Additional back sealing disc for O-Rings replacement
under pressure to ISO 7259.

• Non-rising stainless steel spindle (single forged round
bar with rolled threading).

• Wedge on sealing surfaces completely rubber
vulcanised, with drain hole.

• Fasteners protected against corrosion by special resin sealing.

• Threads according to EN 10226-1.

• Manual operation by handwheel, operating cup,
extension spindle (underground installation).

d4

H1 materials
H
Body and bonnet:
d1 Ductile iron according to EN-GJS-400-15 /EN 1563
(former to DIN GGG40)
d2
Spindle:
L Stainless steel 1.4021/EN ISO 10088 (equivalent to
UNI X20Cr13 or AISI420)

Wedge:
Brass CuZn40Pb2, rubber vulcanised, potable water
approved

O-Ring bush:
Brass CuZn40Pb2

Anti-friction bush:
POM

O-Rings, back seal, bonnet seal and dust cap:
Rubber, potable water approved

Fastening screws:
Steel class 8.8 to EN ISO 898

DN d1 d2 L H H1 Ø d a h d4/d5 Weight (kg)
1" 1" 1"1/4 90 225 169 16 10,5-12 21 5/M5 2,7

1"1/4 1"1/4 2" 115 295 215 16 10,5-12 21 5/M5 4,8

1"1/2 1"1/2 2" 115 295 215 16 10,5-12 21 5/M5 4,8

2" 2" 2" 115 295 215 16 10,5-12 21 5/M5 4,8

All metal, rubber, and coatings used have been designed for contact with water for human consumption, pursuant to the terms of Italian Health Ministry
decree n° 174, dated 6/4/2004.

© RACI srl - ISO 9001 - Catalog Ed 10/2016 2.2 info@raci.it - www.raci.it - Tel. +39 02 262.351