AS-Schneiderin valmistama laadukas neulaventtiili vaativaan käyttöön eri teollisuuden tarpeisiin.
Neulaventtiilit
- Packing: PTFE and Graphite Packings are available for all valve types except the N334 Needle Valve which has an O-Ring stem seal.
- Surface Treatment: Carbon Steel Valves are phosphatized by default.
- Pressure Test: A shell test and a seat test are performed at 1.5 times the max. allowable (working) pressure acc. to EN 12266-1 – P10, P11 and P12 respectively MSS-SP61 at every standard AS-Schneider Needle Type Globe Valve.
- Certification: Inspection certificate 3.1 acc. to EN 10 204 for valve body material and pressure test available on request. The heat resisting materials are available by default with inspection certificate 3.2!
Neulaventtiili (pehmeätiivisteinen)
- Bore Size
– Isolate Valves:
1/4″ (6.35 mm)
3/8″ (9.5 mm)
– Equalize and Vent Valves: 0.138″ (3.5 mm) - Soft Seat
– Isolate Valves: Cone Design (roddable)
– Equalize and Vent Valves:
– Cup Design
– Cone Design for Chart Recorder Manifolds only.
– Soft Seats are field replaceable - Double O-Ring Design as standard
- PTFE Packing is also available for all valve types
- 5 Valve Manifolds are supplied with a bug plug in the 1/4 NPT female vent port (fitted)
DK-Lok-neulaventtiilit
Neulaventtiili (V15)
- Working Pressure : 5,000psig (345 bar)
- Regulating/Vee/Non-Rotating Soft Seat
- Panel Mounting is available
- Stainless Steel, Brass, and Exotic Alloys
- DK-Lok 1/8 to 3/4 in. OD
- Pipe thread 1/8 to 1/2 in.
- 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
Neulaventtiili (V16)
- Working Pressure : 6,000 psig
- Non-rotating globe stem tip
- Stainless Steel and Exotic Alloys
- DK-Lok 1/4 to 1 in. OD
- Pipe thread 1/8 to 1 in.
- Pipe socket weld 1/4 to 1/2 in.
- Tube socket weld 1/4 to 3/4 in
- 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.
Neulaventtiili (VB16)
- Working Pressure : 6,000psig
- Compact design
- Vee Tip / Soft Seat Stainless Steel
- DK-Lok 1/4 to 1/2 in. OD
- Pipe thread 1/4 to 3/4 in.
- Two-piece chevron PFA stem packing design with
compensating spring packing. - Improves sealing integrity.
- High pressure valve but with compact design.
Hienosäätöventtiili (VM)
- Working Pressure : 2,000 psig for VM1D Series
- 1,000 psig for VM3D / VM6D Series
- Stainless Steel and Brass
- DK-Lok 1/16 to 3/8 in. OD
- Pipe thread 1/8 to 1/4 in.
- Panel mount with no handle remova
- Slotted handle : allows flow setting adjustment with a screwdriver.
- Lock screw : locks out flow setting.
- Handle stop : mechanically helps prevent damage to stem and orifice.
- Stem O-ring : seals system fluids
- Tapered stem tip : controls gas or liquid flow rates accurately.
Paljetiivisteinen venttiili (V13)
- Working Pressure : 2,500psig
- Vacuum and high pressure application
- Stainless Steel
- DK-Lok 1/4 to 1/2 in. OD
- Tube Butt Weld 3/8 to 3/4 in.
- Tube Socket Weld 1/4 to 1/2 in.
- V13W series bellows valve offers the most difficult fluid handling applications. This design with the secondary sealing system fits to the need for a safe and reliable system. Applications include cryogenic to high temperatures, high pressure to vacuum in power plants, instrumentation, panels, and critical sampling system for
toxic, radioactive, and hazardous fluids.
Neulaventtiili (V46A)
- Working Pressure : 10,000 psig
- Packing adjustment externally
- Stainless Steel and Carbon Steel
- DK-Lok 1/4 to 1/2 in. OD
- pipe thread 1/4 to 3/4 in
- 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.
Plugiventtiili (V96)
- Working Pressure : 6,000 psig
- Acetal replaceable soft seat
- Straight-through roddable orifice
- Stainless Steel
- Pipe thread 1/4 to 3/4 in
- Bi-directional flow control.
- Straight-through ori ce hence roddable for easy cleaning.
- Acetal seat standard, optional PEEK and PFA.
- Non-rotating Stem Tip for positive sealing and maximum soft seat life.
- Internal bonnet O-ring protects threads from external contamination.
- Isolated threads located above bonnet O-ring prevents media contamination and thread lubricant washout.
Neulaventtiili (VEX110)
- Working Pressure : 10,000 psig
- Unique sealing cup design on packing
- Stainless Steel
- Pipe thread 1/4 to 1/2 in
- 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.
