Product specification
The manual shut-off valves are developed for mounting in PE or PP piping according to DIN 8074 or DIN 8077.
All valve parts are made of PP, except the hand wheel (Bakelite phenolic formaldehyde resin) and the cap nut made of PVC-U.
Gasket: valve plate as well as chevron packing of the stem made of polybutene.
Fusion socket end, connecting nuts, insert parts on both sides made of PP, o-rings made of FPM.
General Information
Use in process engineering, chemical industry, transport of chemicals, desulfurization and denitrification systems, sewage purification, water purification, environmental technology, hygiene technology and sanitary engineering.
In the above mentioned areas they serve as shut-off, safety and cleaning devices on containers, piping and pump systems.
Angle seat valves are made of plastics, with excellent resistance to chemically aggressive and corrosive media, offering a wide range of application
Leak-free shut-off of liquid and gaseous media.
Injection-molded valve housing.
All medium-contacting valve parts are made of plastics with high resistance to chemicals. They are particularly suitable for applications where aggressive media are to be conveyed and blocked. Housing material PVC-U (rigid polyvinyl chloride), PP (polypropylene) or PVDF (polyvinylidene fluoride).
Screw joint on both sides. The screw joints contain O-seals, insert parts, screw-in components (PVC valves) and cap nuts. The valves are supplied as complete unit with the screw joint. They are fitted with end fittings for fastening to pipes.
The connection of the PVC valves to piping is effected at the first application by adhesive bonding of the connections with the pipe, in the case of PP and PVDF valves connection and pipe are welded together. Once the valves are fixed to pipes, they can be easily removed from the pipe by disconnecting the screw joint.
Manual shut-off valves:
Remarkable advantage compared e.g. to ball valves as shut-off devices: an unintentional opening of the valves during a transport is nearly excluded.
Particular case of operation: application as shut-off device on transport containers for chemicals, with respective approval.
Flat-seat valve plate with rigid seal.
The stem is fitted with a double chevron packing for sealing of the valve top.
The sealing elements can be easily changed.
Max. temperature:
PVC-U +60 °C; PP +90 °C; PVDF +100 °C; Polybutone +90 °C; FPM +150 °C
| Item | Image |
d mm
|
NW mm
|
L mm
|
L1 mm
|
Unit piece
|
Price Euro* |
Buy |
|---|---|---|---|---|---|---|---|---|
| 303406 |
|
20 | 15 | 130 | 168 | 1 | 243.00 | |
| 303407 |
|
25 | 20 | 150 | 194 | 1 | 267.00 | |
| 303408 |
|
32 | 25 | 160 | 210 | 1 | 328.00 | |
| 303409 |
|
40 | 32 | 180 | 238 | 1 | 378.00 | |
| 303410 |
|
50 | 40 | 200 | 268 | 1 | 453.00 | |
| 303411 |
|
63 | 50 | 230 | 312 | 1 | 791.00 | |
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