| Butterfly
valve DN32-800 Construction:
1 Two-piece body in GGG 40 3, face to (ace
dimension according to ISO 5752/20, DIN 3202/3
K1 with top flange ace. to ISO 5211
Extended valve neck allowing insulation
2 One-piece, blow out proof disc/shaft
3 Overmolding with a min. thickness of 3 mm
4 Overmolding is mechanically locked on the disc
5 Forged, thin core, allows high kv flow rate
6 Shaft overmolded m the shaft sealing area
7 Shaft sealing by prestressed safety packing
8 Self-lubricating shaft bushing
9 External shaft sealing
10 Chambered liner, prevents radial cold-flow
11 Elastomer back-up, immersed
in body
|
Butterfly
valve DN32-800 Characteristics:
- Centric butterfly valve plastomer-lined
- Absolutely gas tight and very good resistance
against diffusion
- Self adjusting safety packing system
- Low pressure drop and torques
- Body construction
B1 .. Wafer
B3.. Lug
- Face to face dimension acc. ISO 5752/20, DIN
3202/3 K1
- Working pressure:
16 bar (DN32-150)
10 bar (DN200-600I
6 bar (DN700-800)
- Rating: PN10/16/20, ANS1150
- Temperature range -40°C +200°C
- Top flange according ISO 5211
- Handlever. gearbox, pneumatic, electric, actuators
- Application fields:
On/off and control service
for aggressive and corrosive fluids
and high purity application
- Work's tests
The absence of porosity in the liner and overmoulded disc
is tested at 35 000 volts
Gas tightness is tested at
max. working pressure according
to
DIN 3230/part 3 BN/BO,, leakage
rate 1
The
torque of each valve is registered
Torques with PTFE
liner, security factor included |
