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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
     	
