inlet 1/2", 3/4" or 1" - outlet 3/4" or 1" - seat orifice Ø6 mm or Ø8 mm - set pressure from 0,5 bar g. to 460 bar g.
Description
Stainless steel safety valve without lever, with screwed inlet and threaded outlet in its standard version. The tightness is ensured through a very neat lapping of the seat and plug. A wide range of springs enables an accurate pressure setting for this PED 97/23/CE Category IV Group 2 certified saftey valve.
Applications
Designed for use on all air components gases in its standard version, this safety valve offers a wide range of options which allows the handling of a large variety of fluids. This safety valves is extensively is extensively used in every kind of industrial projects: liquid storage tanks, air separation units, petrochemical plants, dangerous products transportation, ...
General features
- Stainless steel construction
- Safety valve's behaviour adjustable thanks to two blow-down rings
- The sturdy design, the high-quality of the selected materials and the high-performance components of this safety valve provide to it multi-purpose characteristics
- Inlet and outlet as per ISO R228 or ASME/ANSI B2-1
Alternatives
- Flanged inlet and outlet
- Butt welding fittings at inlet and/or outlet
- Cap with lever
- Gas-tight construction
- ... (see codification)
| Dimensions in mm | Weight (W) in kg | ||||||
| Inlet(G or NPT) | L | Outlet(G or NPT) | F | do | H | W | |
| 35 < Ps < 320 | 321 < Ps < 460 | ||||||
| 1/2" | 56,5 | 3/4" | 75 | 8 | 6 | 184 | 3,5 |
| 3/4" | 58,5 | 3/4" | 75 | 8 | 6 | 184 | 3,5 |
| 1" | 60,5 | 3/4" | 75 | 8 | 6 | 184 | 3,5 |
| 1/2" | 56,5 | 1" | 75 | 8 | 6 | 184 | 3,5 |
| 3/4" | 58,5 | 1" | 75 | 8 | 6 | 184 | 3,5 |
| 1" | 60,5 | 1" | 75 | 8 | 6 | 184 | 3,5 |
| Ps: Set pressure (bar g.) | |||||||
| For other gases (MW): multiply the air rated flow by sqrt[29/MW] For other temperatures (T): multiply the air rated flow by sqrt[273/(T+273)] - T in °C |
| Standard materials | |||||
| Rep | Designation | Standard materials | |||
| 1 | Cap | EN 10088-3 | |||
| X8CrNiS18-9 1.4305 | |||||
| AISI 303 | |||||
| 1.1 | Gasket | PTFE | |||
| 2 | Stem | EN 10088-3 | |||
| X8CrNiS18-9 1.4305 | |||||
| AISI 303 | |||||
| 3 | Adjusting screw | EN 10088-3 | |||
| X8CrNiS18-9 1.4305 | |||||
| AISI 303 | |||||
| 4 | Spring plate | EN 10088-3 | |||
| X8CrNiS18-9 1.4305 | |||||
| AISI 303 | |||||
| 5 | Spring | EN 10088-1 | |||
| X10CrNi18-8 1.4310 | |||||
| AISI 302 | |||||
| 6 | Lantern | EN 10272 | |||
| X2CrNiMo17-12-2 1.4404 | |||||
| A182 F316L | |||||
| 7.1 | Blow-down ring | EN 10088-3 | |||
| X8CrNiS18-9 1.4305 | |||||
| AISI 303 | |||||
| 8 | Plug | EN 10088-3 | |||
| X2CrNi18-9 1.4307 | |||||
| A182 F304L + Stellite™ | |||||
| 11 | Shoulder seat | EN 10088-3 | |||
| X2CrNi18-9 1.4307 | |||||
| A182 F304L + Stellite™ | |||||
| 12 | Body | EN 10272 | |||
| X2CrNi18-9 1.4306 | |||||
| A182 F304L | |||||
| 17 | Guide | EN 10088-3 | |||
| X8CrNiS18-9 1.4305 | |||||
| AISI 303 | |||||
| 7 | 7 | 6 | 7 | 0 | 0 | - | X | X | X | - | 00 | 00 | 00 | - | DN | .. | PN | .. |
|---|
| 7 | 7 | 6 | 7 | 0 | 0 | - | X | X | X | - | 00 | 00 | 00 | - | DN | .. | PN | .. |
|---|
| Value | Inlet connection |
|---|---|
| 2 | Screwed end |
| 3 | Flanges |
| 4 | Butt welding fitting |
| 7 | 7 | 6 | 7 | 0 | 0 | - | X | X | X | - | 00 | 00 | 00 | - | DN | .. | PN | .. |
|---|
| Value | Pressure rating |
|---|---|
| 8 | PN320 |
| 9 | PN420 |
| 7 | 7 | 6 | 7 | 0 | 0 | - | X | X | X | - | 00 | 00 | 00 | - | DN | .. | PN | .. |
|---|
| Value | Option |
|---|---|
| E | ATEX CE Ex II 2G/D |
| 7 | 7 | 6 | 7 | 0 | 0 | - | X | X | X | - | 00 | 00 | 00 | - | DN | .. | PN | .. |
|---|
| Value | Option |
|---|---|
| 80 | Spacer |
| 85 | Butt welding fitting at outlet |
| 86 | Collected outlet |
| 90 | Regular bonnet |
| 92 | Gas tight body and bonnet |
| 95 | Gas tight cap with lever |
