Valves & Flow Control

NLS supplies gate valves and actuated valves for Saudi industrial piping systems, sourced in cast steel, stainless and ductile iron bodies across common ANSI and API pressure classes. Quotes cover manual gate valves through motor and pneumatic actuated versions, priced in USD with delivery timed to match a contractor's piping installation schedule.

What NLS supplies in valves and flow control

Piping packages on Saudi projects need two valve types most often: gate valves for isolation on straight runs, and actuated valves where a control system needs to open or close the line remotely. NLS sources both in cast steel, stainless steel and ductile iron body materials, across the pressure classes contractors specify most, typically ANSI 150 through 900 or API 6D for pipeline-rated service.

Gate valves ship in bolted bonnet and pressure seal configurations depending on line size and rating, with rising and non-rising stem options for the clearance a given installation allows. Actuated valves pair a gate, ball or butterfly body with an electric motor actuator, pneumatic cylinder or solenoid package, wired or piped to match whatever control philosophy the project's instrumentation package already runs. NLS coordinates the actuator brand and the valve body as one line item so a contractor isn't chasing two suppliers and two lead times for what functions as a single component.

How sourcing and pricing work

Valve pricing depends on body material, pressure class, end connection (flanged, threaded, or butt-weld) and whether the actuator is fail-open, fail-closed or fail-in-place on loss of power. NLS quotes in USD against a valve schedule or piping isometric, with the rate held for the stated validity window, usually two to three weeks given how casting and actuator costs move. Lead time runs four to ten weeks for standard cast steel gate valves depending on size, and longer, often ten to sixteen weeks, for actuated assemblies that need factory-set torque and travel testing before shipment. NLS flags long-lead items on the quote itself rather than letting a contractor discover it after the PO is cut.

Why project buyers use NLS for valves

Valve specs on Saudi projects usually reference a mix of ANSI/API body standards and SASO conformity for what clears customs, and NLS builds both into the quote from the start instead of treating certification as a separate conversation. NLS is a Saudi-registered company based in Riyadh, quotes valve hardware in USD and prices local delivery and any site testing support in SAR, so a project's procurement team works from one document instead of reconciling two currencies by hand. The same desk that quotes cable and steel for a project can quote its valve package too, which matters when a contractor is trying to close out a full piping BOQ against one RFQ deadline rather than five separate supplier threads.

Related products

Gate Valves

Gate valves give full-bore, unrestricted flow when open and a tight shutoff when closed, used for isolation rather than throttling. NLS sources cast steel, cast iron, and stainless steel gate valves from 2 to 24 inches, rated 150# to 900#, to API 600, API 6D, and BS 1414, for pipeline isolation on process, utility, and firewater systems.

Actuated Valves

Actuated valves pair a valve body with an electric, pneumatic, or hydraulic actuator for remote or automated operation, replacing manual handwheel operation on valves tied to a control system. NLS sources electric and pneumatic actuated ball, gate, and butterfly valves, on/off and modulating duty, to API 6D and ISA standards, for SCADA and DCS-integrated isolation across Saudi process and utility projects.

Globe Valves

Globe valves throttle or shut off flow through a movable disc that seats against a fixed ring inside an S-shaped body, giving finer control than a gate valve. NLS sources forged and cast steel globe valves built to API 602 and API 600, dimensioned to ASME B16.34, for steam, condensate, and process throttling duty on Saudi industrial projects.

Check Valves

Check valves let flow pass in one direction and close automatically against backflow, without a handwheel or actuator. NLS sources swing, lift, and dual-plate check valves built to API 594, dimensioned to ASME B16.34, in cast steel, stainless, and ductile iron bodies, sized to protect pumps and compressors on Saudi industrial and utility piping.

Butterfly Valves

Butterfly valves use a rotating disc on a shaft through the center of the pipe bore to start, stop, or throttle flow with a quarter turn. NLS sources wafer and lug-style butterfly valves built to API 609, tested to BS EN 593, dimensioned to ASME B16.34, for HVAC, firewater, and utility water lines on Saudi hospital, aviation, and industrial projects.

Ball Valves

Ball valves use a rotating ball with a bore through its center to give tight, quarter-turn shutoff with minimal pressure drop, the standard choice for full-open or full-closed duty. NLS sources floating and trunnion-mounted ball valves built to API 608, and pipeline-grade units to API 6D, dimensioned to ASME B16.34, for process and pipeline service on Saudi industrial projects.

Plug Valves

Plug valves seal with a tapered or cylindrical plug that rotates a quarter turn inside a matching body seat, giving reliable shutoff on slurries and solids-bearing lines that would jam a ball or gate valve. NLS sources lubricated and non-lubricated (sleeved) plug valves built to API 599, dimensioned to ASME B16.34, for process and utility service on Saudi industrial projects.

Needle Valves

Needle valves use a tapered, pointed stem that threads down into a small precision seat, giving fine control over low-flow, high-pressure lines like instrument gauge connections and sample points. NLS sources forged steel and stainless needle valves dimensioned to ASME B16.34, rated by pressure class and instrumentation practice rather than a single dedicated standard, for Saudi process and utility instrumentation.

Pressure Safety & Relief Valves

Pressure safety and relief valves open automatically once system pressure crosses a set point, protecting piping, vessels, and equipment from overpressure damage. NLS sources flanged steel PSVs built to API 526, sized and selected per API 520 methodology, matched to ASME BPVC Section VIII vessel ratings where applicable, for process and utility protection on Saudi industrial projects.

Solenoid Valves

Solenoid valves open or close using an electric coil that pulls a plunger the instant power is applied or removed, giving instant on/off control from an electrical signal rather than a manual handle. NLS sources direct-acting and pilot-operated solenoid valves on NAMUR-standard actuator mounting (VDI/VDE 3845), with explosion-proof coil options built to IEC 60079, for Saudi process and utility automation.

Knife Gate Valves

Knife gate valves use a sharp-edged gate that slides straight through the flow path to cut through slurries, fibrous solids, and heavy suspensions that would jam a standard gate valve. NLS sources knife gate valves built to MSS SP-81, dimensioned to ASME B16.34, in wafer and lug body styles, for slurry, wastewater, and bulk material lines on Saudi industrial projects.

Strainers

Strainers catch debris and particulate in a pipeline before it reaches a pump, control valve, or instrument, using a perforated or mesh screen sized to the protection level a system needs. NLS sources Y-type, basket, and duplex strainers in bodies rated to ASME B16.34 pressure-temperature classes, mesh-sized per project spec, for pump and equipment protection on Saudi industrial lines.

Frequently Asked Questions

Who supplies SASO certified valves in Riyadh?+

NLS sources gate and actuated valves that clear SASO conformity requirements for import into Saudi Arabia, building the certification into the quote alongside the ANSI or API body rating a project's piping spec calls for.

What's the lead time on an actuated valve in Saudi Arabia?+

Actuated valve assemblies typically take ten to sixteen weeks because the actuator needs factory torque and travel testing before it ships with the valve body, longer than the four to ten weeks a standard manual gate valve needs.

Does NLS supply both the valve body and the actuator?+

Yes. NLS quotes the valve body and its electric, pneumatic or solenoid actuator as one coordinated line item, matched to the project's existing control philosophy, rather than leaving a contractor to source and match the two separately.

What pressure classes does NLS supply valves in?+

NLS sources gate and actuated valves across the ANSI 150 through 900 range along with API 6D pipeline-rated service, in cast steel, stainless steel and ductile iron bodies depending on the line's service and pressure requirements.

Can NLS price a full piping valve schedule in one quote?+

Yes. Send the piping isometric or valve schedule and NLS returns one USD-priced response covering every valve on the list, with local delivery and site support priced in SAR on the same document.