The face to face are according to standard of DIN3202 F5.
Size: DN350-DN600 (Without Gear Box)
Specifications:
Nominal pressure (MPa)
1.6
Testing Pressure
Body shell
2.4
Seal
1.76
Working pressure (MPa)
1.6
Suitable temperature (°C)
≤100
Suitable Medium
Water
Technical requirements
The
flange of the gate valve is according to PN1.6 Mpa and drilling to
PN1.6 Mpa flange of DIN2533 for the integral cast (ductile) iron
flanges.(Unless otherwise specified)
Inspection is according to standard DIN3230-1975
The valves for PN1.0 MPa and PN2.5 MPa are also can be designed and manufactured..
Material Specifications:
No.
Name of part
Material
Designation
Coating (350 microns)
Epoxy Resin or Epoxy fusion bonded
13
Handwheel
SG(Ductile) Iron
GS500-7
12
Square cap
SG(Ductile) Iron
GS500-7
11
Indication plate
Stainless Steel
Gr304S15
10
Bonnet
SG(Ductile) Iron
GS500-7
9
Gland
SG(Ductile) Iron
GS500-7
8
O-ring
EPDM
IRHD 66-75
7
Spindle collar
Stainless Steel
AISI 420
6
Spindle
Stainless Steel
Gr431S29
5
Spindle nut
Brass
OT58
4
Gate
SG(Ductile) Iron
GS500-7
3
Body
SG(Ductile) Iron
GS500-7
2
Gate sealing ring
Brass
OT58
1
Body sealing ring
Brass
OT58
Note: Other materials and specifications are subject to customer's requirement
Valves
