Raci - Model 1041 , 1042 & 1051 -Flanged Ends Gate Valves
Manufactured according to the requirements of EN 1074 and EN 1171 (min. torque strength Class2). Certified and marked by third part body as production supervisor. Body and bonnet high quality EPOXY 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 and additional back lip-seal for double security.
- O-Rings changeable under pressure to ISO 7259.
- Non-rising stainless steel spindle (single forged round bar with rolled threading).
- Wedge inside and outside fully rubber vulcanised, with drain hole and special guiding rails to minimize friction.
- Solid flexible wedge nut from corrosion free material.
- Gliding disc on the spindle neck to reduce friction when operating the spindle. From DN 250 and bigger with additional axial roller bearing.
- Bolts protected against corrosion by special resin.
- Protection ring between body and bonnet to reduce risk of damages on the coating due to mechanical impacts during transport, handling and installation.
- Markings following EN 19.
- Manual operation by handwheel, operating cap, extension spindle (underground installation).
- Motorisation by electric actuator.
Body and bonnet:
Ductile iron eN-gJs-400-15/eN 1563 (former to DIN ggg40)
Spindle:
stainless steel 1.4021/eN IsO 10088 (equivalent to UNI X20Cr13 or aIsI 420)
Wedge:
Ductile iron eN-gJs-400-15/eN 1563 (former to DIN ggg40), ePDM rubber vulcanised, potable water approved
Wedge nut:
Brass CuZn40Pb2
O-ring bush:
Brass CuZn40Pb2
Gliding disc:
POM
O-ring, back lip seal, bonnet seal, and dust cap:
ePDM rubber, potable water approved
Bonnet allen screws:
Steel class 8.8 to eN IsO 898, corrosion protected by special seal
Protection ring:
Reinforced plastic material