Valves and Chokes

Adjustable And Positive Flanged Chokes

The Adjustable and Positive Chokes are designed and manufactured in accordance with API 6A, for pressures up to 10,000 PSI (700 bar).
These chokes are available in a large sizes range, and with various trims depending upon customer requirements.
The products are designed to perform according to the requirements of PR1 Performance Requirement Level and, on request, PSL1, PSL2 and PSL3 Product Specification Levels.
About Material class and Temperature classification, see Appendix A.
By means of a conversion kit, the adjustable type choke can very easily be converted to positive type choke. A wing union cap interchangeable with the adjustable type allows quick replacement of the choke bean.
Dimensions beyond range of afore mentioned table may be offered on request.

Adjustable And Positive Studded Chokes

The Adjustable and Positive Chokes are designed and manufactured in accordance with API 6A, for pressures up to 10,000 PSI (700 bar).
These chokes are available in a large sizes range, and with various trims depending upon customer requirements.
The products are designed to perform according to the requirements of PR1 Performance Requirement Level and, on request, PSL1, PSL2 and PSL3 Product Specification Levels.
About Material class and Temperature classification, see Appendix A.
By means of a conversion kit, the adjustable type choke can very easily be converted to positive type choke. A wing union cap interchangeable with the adjustable type allows quick replacement of the choke bean.
Dimensions beyond range of afore mentioned table may be offered on request.

Appendix A2

Materials for Gate Valves

Cast Steel Ball Valves

This valves are used as tight shut-off fittings for a complete or partial shutting-off into transport and distribution installations.
Working medium: water, gases, petroleum products and other similar fluids, with low corrosion, exclusive hydrogen, mixtures of hydrogen, as well as aggressive mediums with sulphur or sulphuretted hydrogen.

Check Valves With Piston

Exploitation, transport and distribution of industrial water and oil products.

Expanding Parallel Gate Valves With Nonrising Stem

This type of valves is used in the oilfield industry for drilling and production operations for nominal pressures of 140, 210, 350 bar (2000, 3000, 5000 PSI).
The products are designed to perform according to the requirements of PR1 Performance Requirement Level and, on request, PSL1, PSL2 and PSL3 Product Specification Levels.
About Material class and Temperature classification, see Appendix A.
Working medium: water, oil products, gases, steam.

Expanding Parallel Gate Valves With Rising Stem

This type of valves is used in the oilfield industry for drilling and production operations for nominal pressures of 700 bar (10 000 PSI).
Working medium: water, oil products, gases with a light corrosive action.

FC Model Gate Valves ( Slab Gate)

This type of valves is used in the oilfield industry for drilling and production operations for nominal pressures of 210, 350, 700 and 1050 bar (3000, 5000, 10 000 and 15000 PSI).
Working medium: water, oil products, gases, steam or other fluids with low corrosion.

Flexible Wedge Gate Valves, Nonrising Stem

This valves are used as industrial fittings within pressure installations, between 25 - 64 bar.
Working medium: water, steam, gases, petroleum products and other similar fluids, with low corrosion, exclusive hydrogen, mixtures of hydrogen, as well as aggressive mediums with sulphur or sulphuretted hydrogen.
Working temperature: -10 ÷ 225oC

Flexible Wedge Gate Valves, Rising Stem

This valves are used as industrial fittings within low pressure installations up to 25 bar.
Working medium: water, steam, gases, petroleum products and other similar fluids, with low corrosion, exclusive hydrogen, mixtures of hydrogen, as well as aggressive mediums with sulphur or sulphuretted hydrogen.
Working temperature: -10 ÷ 225oC

RSDF Type Straight Gate Valves

This type of valves is used in the oilfield industry for drilling and production operations for nominal pressures of 140, 210, 350 bar (2000, 3000, 5000 PSI) and temperatures up to 60°C.
Working medium: water, drilling mud.

RSDM Type Straight Gate Valves

This type of valves is used in the oilfield industry for drilling and production operations for nominal pressures of 350 bar (5000 PSI) and temperatures up to 60°C.
Working medium: water, drilling mud.

Steel Wedge Gate Valves With Nonrising Stem

The wedge gate valves are used for a complete or partial shutting-off of a fluid flow as well as for resuming the initial flow of the same fluid, for nominal pressures of 140, 210, 350 bar (2000, 3000, 5000 PSI).
Working medium: water, gases, petroleum products and other similar fluids with a light corrosive action.

Straight Globe Valves

This valves are used as industrial fittings within low pressure installations.
Working medium: water, steam, gases, petroleum products and other similar fluids, with low corrosion, exclusive hydrogen, mixtures of hydrogen, as well as aggressive mediums with sulphur or sulphuretted hydrogen.
Working temperature: -10 ÷ 400oC
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