Needle & Regulator Valves
A valve is a device that regulates, directs or controls the flow of a fluid by opening, closing, or partially obstructing various passageways.
Valves are technically valves fittings, but are usually discussed as a separate category.
V15
Forged body, Pressure Rating up to 5000psig (345bar)
Spec.
ㆍWorking Pressure : 5,000psig
ㆍRegulating/Vee/Non-Rotating Soft Seat
ㆍPanel Mounting is available
ㆍStainless Steel, Brass, and Exotic Alloys
ㆍDK-Lok 1/8 to 3/4 in. OD
ㆍPipe thread 1/8 to 1/2 in.
Brief Description
• Designed for a wide range of general purpose in gas and liquid applications
• Forged Body with Inline and Angle pattern
• Integral Bonnet design to eliminate inadvertent stem back-out
• Standard metal seal for pressure tightness at elevated temperatures
• Standard PTFE packing, and optional PEEK packing for higher temperature service
• Packing nut allows external packing adjustment to ensure leak-free packing on stem
• Broad choices of end connections include reliable
V16
Pressure Rating up to 6,000psig (413 bar)
Spec.
ㆍWorking Pressure : 6,000 psig
ㆍNon-rotating globe stem tip
ㆍStainless Steel and Exotic Alloys
ㆍDK-Lok 1/4 to 1 in. OD
ㆍPipe thread 1/8 to 1 in.
ㆍPipe socket weld 1/4 to 1/2 in.
ㆍTube socket weld 1/4 to 3/4 in.
Brief Description
• Standard 316 stainless steel, optional Alloy 400, and Alloy C276 construction.
• Valve stem back seating against the bevelled edge of bonnet in fully open position prevents maximum leakage through bonnet when packing fails.
• Standard non-rotating stem disc and stem packing below the threads design.
• External Packing Bolt allows packing adjustment without the valve disassembly.
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VB16
Pressure Rating up to 6,000 psig
Spec.
ㆍWorking Pressure : 6,000psig
ㆍCompact design
ㆍVee Tip / Soft Seat Stainless Steel
ㆍDK-Lok 1/4 to 1/2 in. OD
ㆍPipe thread 1/4 to 3/4 in.
Brief Description
Two-piece chevron PFA stem packing design with
compensating spring packing.
• Improves sealing integrity.
• High pressure valve but with compact design.
VR6
VR6 Series Pressure Rating up to 413bar (6,000 psig)
Spec.
ㆍWorking Pressure : 6,000 psig
ㆍPCTFE Seat Material
ㆍStainless Steel
ㆍPipe thread Female NPT 1/4 in.
Brief Description
• The High Pressure Regulator valve is featured by controlling the pressure toward downstream from zero to 1,000 psig (68.9 barg) precisely and keeping the
downstream pressure constantly after adjusting, though the upstream pressure may be fluctuated unexpectedly.
• The diaphragm made of thin plate of stainless steel is positioned between the body and housing to make sure of stable sealing characteristics and keep the control volume.
V46A
Spec.
ㆍWorking Pressure : 10,000 psig
ㆍPacking adjustment externally
ㆍStainless Steel and Carbon Steel
ㆍDK-Lok 1/4 to 1/2 in. OD
ㆍpipe thread 1/4 to 3/4 in.
Brief Description
• Chevron PTFE packing provides far improved sealing integrity.
• Packing below the stem threads is to isolate threads from system fluid and lubricant washout.
• Non-rotating stem tip closure for long-life and leak-tight shut-off.
• Lock plate ensures the valve fastened to the body.
VEX110
VR6 Series Pressure Rating up to 413bar (6,000 psig)
Spec.
ㆍWorking Pressure : 10,000 psig
ㆍUnique sealing cup design on packing
ㆍStainless Steel
ㆍPipe thread 1/4 to 1/2 in.
Brief Description
• Unique pressure reacting sealing system eliminates the need of packing adjustment.
• Sealing cup swells up in system pressure for leak-tight operation.
• Backseat stem design prevents stem blowout.
• Stem packing below the threads prevents thread lubricant washout and media contamination.
URG1 Series
Ultra High Purity Regulators
Spec.
ㆍPressure
– Inlet: 600psig, 3,500 psig (41/241 bar)
– Outlet: 0~30 psig, 0~60 psig, 0~150 psig, 0~250 psig
(0~2.1/0~4.1/0~10.3/0~17.3 bar)
ㆍMaterial: SS316L, SS316L VAR, HASTELLOY C-22
ㆍDCR, TBW Type 1/4″ Size
ㆍBA, EP Grade
Brief Description
• All Internal surfaces are finished with 10Ra or 5Ra to ensure minimal particle generation & moisture contribution.
• DK-Lok’s own electropolished.
• Entrapment metal to metal seal provide enhanced leak tight integrity.
• Excellent stability of set pressure with accuracy, sensitivity.
• Hastelloy C-22 diaphragm material.
• PCTFE / PI seat material with remarkable chemical & thermal resistance.
URG2 Series
Ultra High Purity Regulators
Spec.
ㆍPressure
– Inlet: 600psig, 1,000psig 3,500psig (41/69/241 bar)
– Outlet: 0~30 psig, 0~60 psig, 0~150 psig (0~2.1/0~4.1/0~10.3 bar)
ㆍMaterial: SS316L, SS316L VAR, HASTELLOY C-22
ㆍDCR, TBW Type 1/2″ Size
ㆍBA, EP Grade
Brief Description
• All Internal surfaces are finished with 10Ra or 5Ra to ensure minimal particle generation & moisture contribution.
• DK-Lok’s own electropolished.
• Entrapment metal to metal seal provide enhanced leak tight integrity.
• Excellent stability of set pressure with accuracy, sensitivity.
• Hastelloy C-22 diaphragm material.
• PFA / PCTFE / PI seat material with remarkable chemical & thermal resistance.
