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SERVICE VALVES SERVICE VALVES 2
male / female
MODEL 2252 PN 16 DN 1“ - 2“
Ends with internal and external threading.
special features øda
d5
• Direct connection to the pipe saddles, suitable for under
pressure drilling.
• Manufactured according to the requirements of EN 1074.
• Body and bonnet high quality powder coated (fusion
bonded), coating thickness DFT min. 250 micron, 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.
• Anti friction bush on spindle neck.
• Non-rising stainless steel spindle (single forged round bar
with rolled threading).
• Wedge on sealing surfaces completely rubber vulcanised,
with drain hole.
• Threads according to EN 10226 -1.
• Fasteners protected against corrosion by special resin
sealing.
• Manual operation by handwheel, operating cap, extension
spindle (underground installation).
Materials h
d4
Body and bonnet: H
Ductile iron according to EN-GJS-400-15 /EN 1563 H1
(former to DIN GGG40)
d1 d2
Spindle: DN
Stainless steel 1.4021/EN ISO 10088 (equivalent to
UNI X20Cr13 or AISI420) L
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:
Stainless steel A2-70/EN ISO 3506
DN d1 d2 L H H1 Ø d a h d4/d5 Weight (kg)
1" 1" 1"1/4 147 192 141 16 10,5-12 21 5/M5 3
1"1/4 1"1/4 1"1/4 147 192 141 16 10,5-12 21 5/M5 2,9
1"1/4 1"1/4 2" 170 252 160 16 10,5-12 21 5/M5 4,9
1"1/2 1"1/2 2" 170 252 160 16 10,5-12 21 5/M5 4,9
1"1/2 1"1/2 1"1/2 170 252 160 16 10,5-12 21 5/M5 4,5
2" 2" 2" 170 252 160 16 10,5-12 21 5/M5 4,9
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.
info@raci.it - www.raci.it - Tel. +39 02 262.351 2.3 © RACI srl - ISO 9001 - Catalog Ed 10/2016