API · ASME · DIN · EN standard industrial valves
Products
Sixteen valve families — isolation, regulation, check and specialty service — with L2 type subtypes, spec fields tied to design and testing standards, and selection limits per family.
Ball Valves
Quarter-turn valves with a rotating ball, fast to operate and tight-closing across isolation and control duties.
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Floating Ball Valves
Floating ball valves close on a simple principle: line pressure pushes the bored ball against the downstream seat, so tight shutoff comes wi
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Trunnion Mounted Ball Valves
Trunnion-mounted ball valves carry the ball on fixed upper and lower trunnions, so line pressure cannot push the seat and operating torque s
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Fully Welded Ball Valves
Fully welded ball valves join the body halves by weld instead of bolted flanges, removing the body joints that leak or need re-tightening on
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Top Entry Ball Valves
Top-entry ball valves are serviced through the top cover, so seats, seals and the ball can be inspected or replaced with the valve left in t
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Jacketed Ball Valves
Jacketed ball valves wrap the body in a steam or thermal-oil jacket so wax, asphalt, sulfur, polymer and other media that solidify on coolin
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Double Block and Bleed Ball Valves
Double block and bleed ball valves give two seating surfaces and a bleed port between them, so a single valve can isolate downstream and ups
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Two-Piece Ball Valves
Two-piece ball valves swing a bored ball between open and closed inside a body split into a pressure-bearing main casing and a trim-carrying
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Three-Piece Ball Valves
Three-piece ball valves hold the ball and seats in a center section clamped between two end caps, so the whole trim lifts out for service wi
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Wafer Ball Valves
Wafer ball valves clamp the short-cased body between pipeline flanges instead of carrying their own flanges, cutting face-to-face length, we
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V-Notch Segment Ball Valves
V-notch segment ball valves rotate a segmented ball with a shaped V notch through 90°, so the notch edge shears against the seat while the b
View specifications →Gate Valves
Linear-motion isolation valves that lift a gate clear of the bore — full-bore, low-resistance shut-off for lines that stay open or closed.
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Bellow Seal Gate Valves
Bellow seal gate valves replace the stem packing as the primary seal with a welded metal bellow between bonnet and stem; the bellow stretche
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Pressure Seal Gate Valves
Pressure seal gate valves use a bonnet seal that internal pressure itself tightens: above roughly Class 900 the push of the line media force
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Forged Steel Gate Valves
Forged steel gate valves are the compact small-bore isolation valve of process piping: forging gives a denser grain structure than casting a
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Knife Gate Valves
Knife gate valves cut through pulp, slurry, chip and other media that would jam a wedge gate: a thin blade-style disc with a sharpened edge
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Rising Stem Gate Valves
Rising stem gate valves lift the stem visibly as the wedge travels, so the open/closed position reads from outside the valve — the standard
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Non-Rising Stem Gate Valves
Non-rising stem gate valves rotate the stem in place so the wedge travels along the stem thread without the stem rising — the compact choice
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Wedge Gate Valves
Wedge gate valves close on a tapered solid or flexible wedge that wedges against the seat rings, so sealing force grows with hand torque — t
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Parallel Slide Gate Valves
Parallel slide gate valves seal positionally: a spring presses two parallel closure members together for low-pressure seating, then rising l
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Through Conduit Slab Gate Valves
Through conduit slab gate valves slide a single flat gate that, when open, leaves a smooth full bore — minimizing pressure drop and keeping
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Expanding Gate Valves
Expanding gate valves seal mechanically: the gate assembly expands outward against both seats on closure, giving a bi-directional torque-bas
View specifications →Globe Valves
Linear-motion valves for regulation and throttling, with disc moving perpendicular to the seat.
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Y-Type Globe Valves
Y-type globe valves angle the seat chamber away from the flow path so the moving parts sit in an oblique body leg, cutting straight-through
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Angle Globe Valves
Angle globe valves turn the flow 90 degrees inside a single body, combining a stop-isolation seat with an elbow so one fitting does the work
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Bellow Seal Globe Valves
Bellow seal globe valves add a welded metal bellows around the stem so the primary stem seal is a metallic barrier rather than packed gland
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Pressure Seal Globe Valves
Pressure seal globe valves seal the bonnet joint with the line pressure itself — the higher the internal pressure, the harder the gasket loa
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Forged Steel Globe Valves
Forged steel globe valves use a forged, refind-grain body instead of a casting, giving the compact high-integrity isolation trim used on sma
View specifications →Check Valves
Self-acting valves preventing reverse flow, protecting pumps and piping from surge damage.
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Swing Check Valves
Swing check valves stop reverse flow with a hinged disc that swings open under forward flow and falls back onto the seat when flow slows or
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Dual Plate Check Valves
Dual plate check valves carry two spring-loaded semicircular plates on a centre hinge, so the plates close over a short travel while flow is
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Lift Check Valves
Lift check valves raise a piston or ball straight off the seat under forward flow and let gravity seat it on reversal, giving a short, posit
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Tilting Disc Check Valves
Tilting disc check valves pivot a disc on an offset shaft, so the disc opens early under low forward flow and tilts closed with the flow rat
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Pressure Seal Swing Check Valves
Pressure seal swing check valves use the line pressure itself to load the bonnet gasket, which is why power and high-pressure process plants
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Axial Flow Check Valves
Axial flow check valves close a spring-assisted, streamlined disc along the flow axis, so reverse flow is arrested before it can accelerate
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Foot Valves
Foot valves are check valves fitted at the intake of a suction line, holding pump priming by stopping the column from draining back when the
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Triple Duty Valves
Triple-duty valves fold three pump-discharge functions into one quarter-turn body - calibrated flow balancing, non-slam check, and positive
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Silent Check Valves
Silent check valves stop reverse flow before it can accelerate: a spring-assisted disc travels a short stroke and seats quietly, avoiding th
View specifications →Butterfly Valves
Quarter-turn valves with a rotating disc, compact for large diameters in utility and process isolation.
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Wafer Butterfly Valves
Wafer butterfly valves sandwich between the line flanges, giving pipeline isolation with the shortest face-to-face and lowest weight per dia
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Lug Butterfly Valves
Lug butterfly valves carry threaded lugs around the body so the disc can isolate one side of the line while the other stays flanged off — th
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Double Flanged Butterfly Valves
Double flanged butterfly valves bolt to the pipe on both faces with their own integral flanges, so they suit buried, water-works and pump-st
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Double Offset Butterfly Valves
Double offset butterfly valves move the shaft off both the centreline and the plane of the seat, so the disc lifts clear of the seat almost
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Triple Offset Butterfly Valves
Triple offset butterfly valves add a third, conical geometry to the double-offset disc so the seat touches only at the final degrees of clos
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Concentric Butterfly Valves
Concentric butterfly valves keep the stem centered in the disc and the disc centered in the bore, so the rubber-seated disc bears evenly all
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Jacketed Butterfly Valves
Jacketed butterfly valves keep media that solidifies, crystallises or thickens at ambient temperature in a flowable state: the body carries
View specifications →Diaphragm Valves
Valves sealing through a flexible diaphragm, built around sealing reliability in corrosive, slurry and utility service.
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Cast Iron Diaphragm Valves
Cast iron diaphragm valves isolate or throttle utility flows by pressing a flexible diaphragm against a weir, so the wetted metal stays out
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Ductile Iron Diaphragm Valves
Ductile iron diaphragm valves put a higher-strength body behind the same weir-sealing idea: a flexible diaphragm meets a body weir so the el
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Weir-Type Diaphragm Valves
Weir-type diaphragm valves seal the flexible diaphragm against a raised weir built into the body, so the short stroke and supported diaphrag
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Straight-Through Diaphragm Valves
Straight-through diaphragm valves run the flow path through an unobstructed, nearly straight bore that the flexible diaphragm presses down o
View specifications →Needle Valves
Instrument-size valves with a needle-shaped stem for precise metering and fine flow adjustment.
Product family
Needle Gauge Valves
Needle gauge valves isolate pressure instruments from the process, in three-port and block-and-bleed designs so gauges and transmitters can
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Integral Bonnet Needle Valves
Integral bonnet needle valves serve instrument and general-purpose metering duty where frequent packing maintenance is unwelcome: the bonnet
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Lower Packing Needle Valves
Lower packing needle valves place the stem packing below the stem threads, keeping lubricant on the threads and corrosive or erosive media a
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Rising Plug Gauge Valves
Rising plug gauge valves use a soft-seated, straight-through rising-plug trim instead of a needle stem, so dirty or viscous media can be rod
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Locked Bonnet Needle Valves
Locked bonnet needle valves clamp the bonnet to the body through a machined metal joint held by a locking ring, so vibration, packing adjust
View specifications →Plug Valves
Quarter-turn valves with a cylindrical or tapered plug for fast isolation, diverting and dirty-media duty.
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Lubricated Plug Valves
Lubricated plug valves keep a waxed seal between plug and body: injected grease compounds follow the sealing faces, cutting operating torque
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Sleeved Plug Valves
Sleeved plug valves seat a tapered plug inside a compression sleeve — typically PTFE-based — that laps against the plug face and keeps the l
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Jacketed Plug Valves
Jacketed plug valves carry a heating jacket over the valve body so line steam or thermal fluid can hold waxy, freezing or heat-sensitive med
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3-Way Plug Valves
Three-way plug valves port two inlets and one outlet (or the reverse) through a single plug, so a diverging or converging flow switch happen
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Eccentric Plug Valves
Eccentric plug valves swing a rounded plug into an offset seat, camming it firmly against the face only in the closed position — so the seat
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Orbit Plug Valves
Orbit plug valves lift the plug off the seat before rotating it, so the sealing faces rub only through the last fraction of travel — the rol
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Twin Seal Plug Valves
Twin seal plug valves wrap a PTFE sleeve seal around the plug so two sealing lands bear on the body at once — a double-direction, zero-leaka
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Four-Way Plug Valves
Four-way plug valves turn a multiple-port plug through 90° to divert flow between four pipe connections in one valve — throttling and divert
View specifications →Safety Valves
Automatic pressure-relief devices protecting boilers, vessels and piping against overpressure, sized to API 520/521/526.
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Full Lift Safety Valves
Full lift safety valves pop wide open once set pressure is reached, dumping the full orifice area so accumulated pressure collapses fast on
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Low Lift Safety Valves
Low lift safety valves open only a fraction of the seat diameter, releasing a measured slip of fluid along a seat face — the proportionate b
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Steam Safety Valves
Steam safety valves guard boilers and steam headers, venting overpressure flashes before they can lift a vessel rating — sized on the inlet-
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Balanced Bellows Safety Valves
Balanced bellows safety valves hold set pressure stable where back pressure would derate a conventional spring-loaded relief valve: a bellow
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Pilot-Operated Safety Valves
Pilot-operated safety valves pair a main valve with an external pilot: the pilot senses line pressure and controls the main valve, giving fu
View specifications →Pressure Reducing Valves
Valves that hold a stable downstream pressure below upstream pressure in steam, water and utility networks.
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Direct Acting Pressure Reducing Valves
Direct acting pressure reducing valves balance downstream pressure against a setting spring in a single compact body, so no pilot line or ex
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Pilot Operated Pressure Reducing Valves
Pilot operated pressure reducing valves let downstream pressure act on a large diaphragm through a small pilot valve, so a compact body modu
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Steam Pressure Reducing Valves
Steam pressure reducing valves drop live or saturated steam from a high-pressure header to the steady lower pressure that equipment, tracing
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Water Pressure Reducing Valves
Water pressure reducing valves hold a fixed downstream pressure in building supply, fire-protection and distribution networks, protecting fi
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Pressure Relief / Sustaining Valves
Pressure relief / sustaining valves guard upstream pressure: a normally-closed pilot senses the inlet line, the main valve stays closed whil
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Float Control Valves
Float control valves open and close on the level a float pilot reports from the tank, filling reservoirs and break-pressure cisterns to a se
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Surge Anticipator Valves
Surge anticipator valves are pilot-controlled diaphragm valves that open on a pressure-rise transient and dump the surge to atmosphere or re
View specifications →Control Valves
Modulating valves with characterized trim for process automation, in pneumatic or electric actuation.
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Single-Seated Control Valves
Single-seated control valves use one seat and one plug inside a globe body, giving tight shutoff and simple, well-characterized trim — the s
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Cage-Guided Control Valves
Cage-guided control valves guide the plug inside a perforated cage that both centers the trim and acts as the flow-characterizing element, g
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V-Notch Segment Control Valves
V-notch segment control valves throttle with a notched, segmented ball that shears progressively through the seat as it rotates, keeping a c
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Bellow-Seal Control Valves
Bellow-seal control valves seal the stem with a welded metal bellows instead of a packing box, removing the dynamic leak path entirely for h
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Angle Control Valves
Angle control valves turn the flow path through 90 degrees inside a single body, combining the modulating trim of a globe control valve with
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Three-Way Control Valves
Three-way control valves combine or divert two flows inside a single modulating body — converging for mixing two streams to a controlled out
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Double-Seated Control Valves
Double-seated control valves balance the fluid pressure across two plugs in opposition, so the actuator works against a fraction of the unba
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Sleeve-Type Control Valves
Sleeve-type control valves throttle through a perforated sleeve that characterizes flow and contains cavitation and noise at the trim instea
View specifications →Air Release Valves
Hydraulic valves venting trapped air at pipeline high points and admitting air during draining to prevent vacuum and surge.
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Single Orifice Air Valves
Single orifice air valves vent accumulated air from liquid lines through one small orifice: a stainless float drops as air gathers in the ch
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Double Orifice Air Valves
Double orifice air valves pair a large-orifice stage with a small-orifice stage in one body: the large stage discharge bulk air while pipeli
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Combination Air Release Valves
Combination air release valves pair an air/vacuum function with a continuous air-release function in one assembly: they exhaust large air vo
View specifications →Strainers
In-line filtration devices protecting pumps, valves and instruments from solid contamination.
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Y Strainers
Y strainers fit inline like a check valve, their angled leg holding a perforated or mesh screen that catches weld beads, scale, sand and oth
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Simplex Basket Strainers
Simplex basket strainers house a single removable basket in a vertical-chamber body: flow passes into the basket, debris stays behind, and c
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Duplex Basket Strainers
Duplex basket strainers put two straining chambers and a changeover valve in one assembly, so one basket keeps working while the other is sw
View specifications →Pinch Valves
Valves that close by compressing an elastomer sleeve between moving platens, for abrasive, slurry and corrosive media where the wetted parts are the sleeve only.
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Air Operated Pinch Valves
Air operated pinch valves close and modulate by feeding compressed air into the valve body around a reinforced elastomer sleeve, so the medi
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Mechanical Pinch Valves
Mechanical pinch valves compress the elastomer sleeve with a horizontal bar driven by an adjusting mechanism — handwheel, pneumatic cylinder
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Control Pinch Valves
Control pinch valves are the normally-closed pinch-valve variant: compressed air opens the sleeve against a spring return, and venting the a
View specifications →Plunger Valves
Hydraulic control valves with a cylindrical plunger and slotted diffuser for high-differential pressure reduction and cavitation control in water systems.
Balancing Valves
Double-regulating valves with a calibrated handwheel and memory stop for static hydronic balancing in HVAC and water networks.
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Double Regulating Valves
Double regulating valves are static balancing valves with a calibrated handwheel and positive stop: the setting can be preset, locked and re
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Fixed Orifice Double Regulating Valves
Fixed orifice double regulating valves add a calibrated orifice to the double-regulating trim, so flow is read from the differential pressur
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Variable Orifice Double Regulating Valves
Variable orifice double regulating valves balance on the valve's own variable restriction rather than a fixed orifice, in the larger flanged
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Balancing Flow Measurement Devices
Flow measurement devices pair with balancing valves to read circuit flow at a dedicated fitting — a separate measurement point where the reg
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