Control and shut-off valves

Different constructions can be employed for the reliable shut-off, control or metering of gases and liquids, depending on the requirements. Differences exist, for example, in the design, pressure resistance and control precision.

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You have questions about: Metering valves – MT1 Series (H-MT)

Metering valves – MT1 Series (H-MT)

Application

Because oft the finely manufactured stem tip and valve design the MT1 series metering valves allow exact metering.

Precision at the highest stage with MT1 series

If the application requires the accurate metering of gases and liquids the metering valves of MT1 series are the right choice. Because of the obstructed stem tip with 3° taper and the orifice of 1.2mm even lowest flow rates can be adjusted accurately. The maximum flow coefficient is about cv = 0.024. With the extra fine stem thread the flow coefficient can be reduced over 18 turns down to nearly 0. The optional micrometer handle allows the effortless reproduction of the stem position.

For extra fine regulation the MT1 series is also available on request with a maximum flow coefficient of cv = 0.01. In this case the taper of the stem tip is 1°.

Pressure:	Up to 345 bar (5000 psi) at 21 °C (70 °F) and SS 316
Temperature:	from -54 °C to 232 °C (-65 °F to 450 °F)
Materials:	Stainless steel 316 or brass
Packing material:	PTFE

Straight form (standard) oder elbow form (90°)
Various connections (HyLok compression fitting, NPT male thread)
Various flow coefficients (cv = 0.024 or 0.01)

Spindle designs

Stem tip with 3° taper
Stem tip with 1° taper

Nitrogen at 69 bar (1000 psi) with a max. leak rate of 0.1 Ncm³/min
Hydrostatic test of the housing with 1.5 times the permissible working pressure
Other tests on demand

Metering valve MT1 Series
H-MT1-E [4.7 MB]

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You have questions about: Integral Bonnet Needle Valves (NV Series)

Integral Bonnet Needle Valves (NV Series)

Application

NV Series needle valves provide exact control of gases and liquids.

Safe shut-off with needle valves

NV Series needle valves can be used up to pressures of 413 bar, depending on size, temperature and medium.

Their simple construction and range of different spindle tips in metal or PCTFE make the NV Series suitable for use as regulating valves or as shut-off valve.

Druck:	up to 410 bar (6000 psi) at 38°C (100°F)

Temperature:
PTFE packing:	from -54°C to 232°C (-65°F bis 450°F)
Grafoil packing:	to 648°C (to 1200°F)

Material:	Stainless steel 316

Der Dichtungswerkstoff ist im Standard PTFE, alternativ ist für einen höheren Temperaturbereich PEEK oder Grafoil lieferbar.
Die oben angeführten Druckraten gelten für Standardventile mit PTFE Packungen.
Angaben für nicht drehbare Spindeln - Die oben angeführten Druckraten gelten für Standardventile mit PTFE Packungen.
Temperaturschwankungen können ein Nachstellen der Stopfbuchspackung erforderlich machen.

V-shaped (standard)
Control cone
Soft Seat

Nitrogen at 69 bar (1000 psi) with a max. leak rate of 0.1 Ncm³/min
Hydrostatic test of the housing with 1.5 times the permissible working pressure
TA-Luft: VDI 2440, ISO 15848-1
Other tests on demand

Integral Bonnet Needle Valves NV Series
H-100NV-E [6.5 MB]

[Translate to Englisch:] Nadelventil mit Überwurfmutter für hohe Anforderungen – Serie GB (H-102NV)

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You have questions about: GB Series needle valves

Needle valve with union nut for high demands – GB Series (H-102NV)

Application

Thanks to the special position of the spindle packing, the GB Series needle valves are suitable for applications in which the medium must not be contaminated.

Avoiding contamination with GB Series shut-off valves

The GB Series shut-off valves are special needle valves for high demands on the purity of the medium and on environmental safety. The spindle has a back seal to prevent ejection of the spindle when the valve opens under high pressure. Thanks to the special position of the spindle seal, the spindle thread does not come into contact with the medium. As a result, the lubricant remains in the spindle thread, fretting is prevented and process media are not contaminated.

An optional graphite spindle packing allows high-temperature applications up to 648°C.

Pressure:	up to 413 bar (6000 psi) at 38°C (100°F) and PTFE

Temperature:
PTFE packing:	-54°C to 232°C (-65°F to 450°F)
Stainless steel 316 with graphite packing:	-54°C to 648°C (-65°F to 1200°F)

Materials:	Stainless steel 316, carbon steel and Alloy 400
Packing material:	PTFE (standard), PEEK or graphite

Temperature fluctuations can necessitate adjustment of the gland packing.

Straight form (standard) or elbow form (90°)
Various connections (Hy-Lok compression fitting, NPT/ISO male and female thread, welding connector)
Various bores and flow coefficients (0.35 ≤ cv ≤ 2.2)

Spindle designs

V-spindle (standard; non-rotating)
Control spindle (non-rotating)
Soft-seat spindle (non-rotating)
Ball (non-rotating)
Soft-seat control spindle (non-rotating)

Nitrogen at 69 bar (1000 psi) with a max. leak rate of 0.1 Ncm³/min
Hydrostatic test of the housing with 1.5 times the permissible working pressure
TA-Luft: VDI 2440, ISO 15848-1
Other tests on demand

Sour gas application

Sour gas application to NACE MR01-75 / ISO 15156 on demand

Needle valves with union nut for high demands GB Series
H-102NV-E [1.8 MB]

[Translate to Englisch:] Hochdruck-Nadelventil Serie – SVH (H-103NV)

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You have questions about: SVH Series needle valves

High-pressure needle valve – SVH Series (H-103NV)

Application

SVH Series needle valves are designed for high-pressure applications up to 690 bar (10,000 psi).

Needle valves for high-pressure applications

SVH Series needle valves are designed for pressures up to 689 bar (SVH1) and are used in applications where particularly high pressure or system safety is demanded. The valve has a valve neck retainer that prevents unintentional unscrewing of the valve upper part. The spindle has a back seal to prevent ejection of the spindle when the valve opens under high pressure. Thanks to the special position of the spindle seal, the spindle thread does not come into contact with the medium. As a result, the lubricant remains in the spindle thread, fretting is prevented and process media are not contaminated.

An optional graphite spindle packing allows high-temperature applications up to 648°C.

Pressure:	up to 690 bar (10,000 psi) at 38°C (100°F), SS 316 and PTFE

Temperature:
PTFE packing:	-54°C to 232°C (-65°F to 450°F)
Stainless steel 316 with graphite packing:	-54°C to 648°C (-65°F to 1200°F)

Materials:	Stainless steel 316, carbon steel and Alloy 400
Packing material:	PTFE (standard) and graphite

Straight form (standard) or elbow form (90°)
Various connections (Hy-Lok compression fitting, NPT/ISO male and female thread, socket welding connector)

Spindle designs

V-spindle (standard; non-rotating)
Ball spindle (non-rotating)

Nitrogen at 69 bar (1000 psi) with a max. leak rate of 0.1 Ncm³/min
Hydrostatic test of the housing with 1.5 times the permissible working pressure
Other tests on demand

Sour gas application

Sour gas application to NACE MR-01-75 / ISO 15156 on demand

High-pressure needle valves SVH Series
H-103NV-E [2.6 MB]

[Translate to Englisch:] Ventil mit geradem Durchgang – Serie RP (H-RP100)

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You have questions about: RP Series needle valves

Valve with straight passage – RP Series (H-RP100)

Application

The straight passage of the metering valve offers the option of maximum flow rate with minimum pressure loss.

Exact control of the flow rate with minimum pressure loss

The straight passage of the RP Series valve offers the option of maximum flow rate with minimum pressure loss.

Thanks to the special position of the spindle seal, the spindle thread does not come into contact with the medium. As a result, the lubricant remains in the spindle thread, fretting is prevented and process media are not contaminated. A pressure gauge port is available as an option. Control panel installation is possible. Low wear in the valve seat is ensured by the non-rotating spindle tip.

Pressure:	up to 413 bar (6000 psi) at 38°C (100°F)

Temperature:
POM seal:	-29°C to 121°C (-20°F to 250°F)
PEEK seal:	-29°C to 204°C (-20°F to 400°F)

Material:	Stainless steel 316

Control panel mounting as special equipment available
Pressure gauge port available as special option

100% works test
Other tests on demand

Sour gas application

Sour gas application to NACE MR01-75 / ISO 15156 on demand

Valves with straight passage RP Series
H-RP100-E [676 KB]

Safety in the choice of valve

The user bears responsibility for the proper installation, material compatibility, commissioning and maintenance of the needle valves. The whole system must be configured under the aspect of optimum performance and safety!

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Metering valves – MT1 Series (H-MT)

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Integral Bonnet Needle Valves (NV Series)

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Needle valve with union nut for high demands – GB Series (H-102NV)

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High-pressure needle valve – SVH Series (H-103NV)

[Translate to Englisch:] Ventil mit geradem Durchgang – Serie RP (H-RP100)

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Valve with straight passage – RP Series (H-RP100)

Safety in the choice of valve