Modular double block and bleed valve blocks are an ideal solution for compact shut-off and bleed valves in a one-piece forged housing and with a wide range of end connections, housing forms and valve variants. They form the interface between process and measuring instrument and allow the shut-off, bleeding and protection of instruments or transducers. The compact design reduces not only weight and costs, but also the number of possible leak points in the system.
The modular Hy-Lok SB Series double block valves serve for simple shut-off and bleeding of pressure measuring instruments. They are installed directly on the process flange or boiler. Instruments can be installed directly on the valve outlet or alternatively connected via pressure gauge or transmitter pipelines. The double block & bleed valve blocks serve also to protect instrumentation during the process.
Hy-Lok SB Series double block valves are designed for different instrument configurations.
The double block valves serves for simple shut-off, the instruments are designed for high pressures and temperatures. In addition to the valve block, Hy-Lok offers instruments such as shut-off valves (ball cocks) as well as globe valves and mounted valves as needle valves.
SB50 Series
Connections: | flange x 1/2” NPT |
Shut-off: | ball valve |
Bleeding: | ball valve or mounted bow valve with external screw or needle valve |
SB55 Series
Connections: | flange x 1/2” NPT |
Shut-off: | mounted bow valve with external screw or needle valve |
Bleeding: | ball valve or mounted bow valve with external screw or needle valve |
SB60 Series
Connections: | flange x flange |
Shut-off: | ball valve |
Bleeding: | ball valve or mounted bow valve with external screw or needle valve |
SB65 Series
Connections: | flange x flange |
Shut-off: | mounted bow valve with external screw |
Bleeding: | mounted bow valve with external screw or needle valve |
The modular valves can be equipped with the following valves:
Ball cock
Temperature: | -57 °C to 250 °C (-70.6 °F to 482 °F) |
Pressure: | up to 690 bar (10,000 psi) |
Ball seat: | completely encapsulated ball seats |
Seat material: | PVDF, PTFE (pure or filled), PCTFE or PEEK |
Ball: | precision machined surface for low actuation torque |
Bore: | 10 mm (0.4 inch), 14 mm (0.55 inch) |
Mounted bow valve
Temperature: | -57°C to 550°C (-70.6°F to 1022°F) with graphite |
Pressure: | up to 414 bar (6,000 psi) |
Spindle construction: | non-rotating, self-centering, replaceable |
Bore: | 5 mm (0.2 inch) |
Packing material: | graphite (standard) or PFTE |
Straight pass needle valve
Temperature: | -57°C to 550°C (-70.6°F to 1022°F) with graphite |
Pressure: | up to 690 bar (10,000 psi) |
Spindle construction: | non-rotating, self-centering, replaceable |
Bore: | 5 mm (0.2 inch) |
Packing material: | graphite (standard) or PFTE |
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The modular DB Series valves serve for double shut-off and bleeding of pressure measuring instruments. They are installed directly on the process flange or boiler. Instruments can be installed directly on the valve outlet or alternatively connected via pressure gauge or transmitter pipelines. The double block & bleed valve blocks serve also to protect instrumentation during the process. Special designs allow sampling and the injection of chemicals via sampling probes or hollow injection shafts.
Hy-Lok DB Series double block valves are designed for different instrument configurations.
The double block valves serves for double shut-off, the instruments are designed for high pressures and temperatures. In addition to the valve block, Hy-Lok offers instruments such as shut-off valves (ball cocks as well as globe valves and mounted valves (OS&Y) as needle valves).
DB50 Series
Connections: | flange x 1/2” NPT |
Initial shut-off: | ball valve |
Secondary shut-off: | ball valve |
Bleeding: | mounted bow valve with external screw or needle valve |
DB55 Series
Connections: | flange x 1/2” NPT |
Initial shut-off: | mounted bow valve with external screw or needle valve |
Secondary shut-off: | OSY or needle valve |
Bleeding: | mounted bow valve with external screw or needle valve |
DB60 Series
Connections: | flange x 1/2” NPT |
Initial shut-off: | ball valve |
Secondary shut-off: | ball valve |
Bleeding: | ball valve or mounted bow valve with external screw or needle valve |
DB65 Series
Connections: | flange x flange |
Initial shut-off: | mounted bow valve with external screw |
Secondary shut-off: | mounted bow valve with external screw or needle valve |
Bleeding: | mounted bow valve with external screw or needle valve |
The modular valves can be equipped with the following valves:
Ball cock
Temperature: | -57 °C to 250 °C (-70.6 °F to 482 °F) |
Pressure: | up to 690 bar (10,000 psi) |
Ball seat: | completely encapsulated ball seats |
Seat material: | PVDF, PTFE (pure or filled), PCTFE or PEEK |
Ball: | precision machined surface for low actuation torque |
Bore: | 10 mm (0.4 inch), 14 mm (0.55 inch) |
Mounted bow valve
Temperature: | -57°C to 550°C (-70.6°F to 1022°F) with graphite |
Pressure: | up to 414 bar (6,000 psi) |
Spindle construction: | non-rotating, self-centering, replaceable |
Bore: | 5 mm (0.2 inch) |
Packing material: | graphite (standard) or PFTE |
Straight pass needle valve
Temperature: | -57°C to 550°C (-70.6°F to 1022°F) with graphite |
Pressure: | up to 690 bar (10,000 psi) |
Spindle construction: | non-rotating, self-centering, replaceable |
Bore: | 5 mm (0.2 inch) |
Packing material: | graphite (standard) or PFTE |
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The Hy-Lok monoflange adapters - in the same way as the modular valves - serve for the initial shut-off of pressure measuring instruments. Depending on the version, they are employed for the shut-off (MN45 Series), shut-off and bleeding (MN55 Series) or double shut-off and bleeding of instruments (MN65 Series).
Hy-Lok MN Series monoflange valves are completely forged one-piece shut-off and bleeding devices for the initial shut-off of pressure measuring instruments where the valve is installed directly on the process flange. Instruments can be installed directly on the valve outlet or alternatively connected via pressure gauge or transmitter pipelines.
MN45 Series
Application: | shut-off valve |
Connections: | flange x 1/2” NPT |
Shut-off: | mounted bow valve with external screw or needle valve |
MN55 Series
Application: | shut-off and bleed valve |
Connections: | flange x 1/2” NPT |
Shut-off: | mounted bow valve with external screw or needle valve |
Bleeding: | mounted bow valve with external screw or needle valve |
MN65 Series
Application: | double shut-off and bleed valve |
Connections: | flange x 1/2” NPT |
Initial shut-off: | mounted bow valve with external screw or needle valve |
Secondary shut-off: | mounted bow valve with external screw or needle valve |
Bleed connection: | mounted bow valve with external screw or needle valve |
The modular valves can be equipped with the following valves:
Mounted bow valve
Temperature: | -57°C to 550°C (-70.6°F to 1022°F) with graphite |
Pressure: | up to 414 bar (6,000 psi) |
Spindle construction: | non-rotating, self-centering, replaceable |
Bore: | 5 mm (0.2 inch) |
Packing material: | graphite (standard) or PFTE |
Straight pass needle valve
Temperature: | -57°C to 550°C (-70.6°F to 1022°F) with graphite |
Pressure: | up to 690 bar (10,000 psi) |
Spindle construction: | non-rotating, self-centering, replaceable |
Bore: | 5 mm (0.2 inch) |
Packing material: | graphite (standard) or PFTE |
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The Hy-Lok initial shut-off valves serve for the initial shut-off of pressure measuring instruments. Depending on the version, they are employed for the shut-off (RV4 Series), shut-off and bleeding (RV5 Series) or double shut-off and bleeding of instruments (RV6 Series).
Hy-Lok RV Series initial shut-off valves are completely forged one-piece shut-off and bleeding devices for the initial shut-off of pressure measuring instruments where the valve is welded, bolted or flanged directly to the process line. Instruments can be installed directly on the valve outlet or alternatively connected via pressure gauge or transmitter pipelines.
RV40 Series
Application: | shut-off valve |
Connections: | plain pipe end x 1/2” NPT |
Shut-off: | ball valve |
RV45 Series
Application: | shut-off valve |
Connections: | plain pipe end x 1/2” NPT |
Shut-off: | mounted bow valve with external screw or needle valve |
RV50 Series
Application: | shut-off and bleed valve |
Connections: | plain pipe end x 1/2” NPT |
Initial shut-off: | ball valve |
Bleeding: | mounted bow valve with external screw or needle valve |
RV55 Series
Application: | shut-off and bleed valve |
Connections: | plain pipe end x 1/2” NPT |
Initial shut-off: | mounted bow valve with external screw or needle valve |
Bleeding: | mounted bow valve with external screw or needle valve |
RV60 Series
Application: | double shut-off and bleed valve |
Connections: | plain pipe end x 1/2” NPT |
Initial shut-off: | ball valve |
Secondary shut-off: | ball valve |
Bleed connection: | mounted bow valve with external screw or needle valve |
RV65 Series
Application: | double shut-off and bleed valve |
Connections: | plain pipe end x 1/2” NPT |
Initial shut-off: | mounted bow valve with external screw or needle valve |
Bleeding: | mounted bow valve with external screw or needle valve |
Bleed connection: | mounted bow valve with external screw or needle valve |
The initial shut-off valves can be equipped with the following valves:
Ball cock
Temperature: | -57 °C to 250 °C (-70.6 °F to 482 °F) |
Pressure: | up to 690 bar (10,000 psi) |
Ball seat: | completely encapsulated ball seats |
Seat material: | PVDF, PTFE (pure or filled), PCTFE or PEEK |
Ball: | precision machined surface for low actuation torque |
Bore: | 10 mm (0.4 inch), 14 mm (0.55 inch) |
Mounted bow valve
Temperature: | -57°C to 550°C (-70.6°F to 1022°F) with graphite |
Pressure: | up to 414 bar (6,000 psi) |
Spindle construction: | non-rotating, self-centering, replaceable |
Bore: | 5 mm (0.2 inch) |
Packing material: | graphite (standard) or PFTE |
Straight pass needle valve
Temperature: | -57°C to 550°C (-70.6°F to 1022°F) with graphite |
Pressure: | up to 690 bar (10,000 psi) |
Spindle construction: | non-rotating, self-centering, replaceable |
Bore: | 5 mm (0.2 inch) |
Packing material: | graphite (standard) or PFTE |
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