Industrial Valves #2089801

Testable Pneumatic Check Valves

Sizes- 4 to 34 (dn 100 to 850) for asme class 150, 330 - 4 to 20 or 16 (dn 100 to 500) for asme class 600 - 4 to 12 (dn 100 to 300) for asme class 1500 - 4 to 8 (dn 100 to 200) for asme class 2500 rating asme class 150, 300 bolted bonnet asme class 600 pressure seal bonnet and bolted bonnet asme class 1500 pressure seal bonnet asme class 2500 (pn 420) pressure seal bonnet.

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Hp Gate Valves

Standards bonettis cmi gate valves have been designed, rated, manufactured and inspected, where applicable, in accordance with the most used international standards, namely: - asme b16.34 -steel valves, flanged and butt-welding ends - asme b16.10 -face-to-face and end-to-end dimensions - applicable sections of asme boiler and pressure vessel code, including nuclear section iii. - mss sp 44 steel pipe line flanges - mss sp 61 hydrostatic testing of steel valves - api standard 598 - valve inspection and test - asme b16.25 - buttwelding ends - trd 110 (on request).

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Hp Globe Valves

Standards bonettis cmi valves have been designed, rated, manufactured and inspected, where applicable, in accordance with most widely used international standards, namely: - asme b16.34 "steel valves, flanged and butt welding ends" - asme b16.10 "face-to-face and end-to-end dimensions" - applicable sections of asme boiler and pressure vessel code, including nuclear section iii - mss sp 44 "steel pipe line flanges - mss sp 61 "hydrostatic testing of steel valves - api standard 598 "valve inspection and test - asme b16.25 "butt welding ends" connections.

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High Pressure Bellow Seal Valves

Bonettis bellows seal valves are zero emission and maintenance free. The valves are particularly suitable for dangerous, inflammable, lethal and explosive media: an uninterrupted metallic barrier is positioned between the piping and the environment. Hence these valves are suitable for any fluid and are recommended when zero emission characteristics are required to protect the environment and the health of the workers from pollutive leaks, to prevent expensive wastes due to loss of energy and fluid, and to eliminate the not negligible cost of replacement of the packing.

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Hp Check Valves

Standards bonettis cmi check valves have been designed, rated, manufactured and inspected, where applicable, in accordance with the most popular international standards, namely: - asme b16.34 - steel valves, flanged and butt-welding ends - asme b16.10 - face-to-face and end-to-end dimensions - applicable sections of asme boiler and pressure vessel code, including nuclear section iii. - mss sp 44 steel pipe line flanges - mss sp 61 hydrostatic testing of steel valves - api standard 598 - valve inspection and test - asme b16.25 - buttwelding ends - others (on request).

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Automatic Bypass Valves

This two valve system has been designed to prevent risks in case of failure of high pressure preheaters.It consists of one 3 way valve and one 2 way valve having both an internal piston connected to the stem and sliding into a cylindrical chamber. In case of heater tube bundle failure, a level switch sensing the water level in the preheater shell will open the exhaust valves generating differential pressure between the two parts of the cylindrical chamber. This pressure difference actuates the stem movement, operating the valves and deviating the flow, therefore bypassing the preheater.Operating speed can be controlled by an external regulating valve. All this system does not need any external power (i.e. Electrical or pnaumatical) so giving best protection in case of accident.We produce this system according to rating asme 900, 1500, 2500 and special classes in size up to dn 18".

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