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Every Flow Challenge Has a BDK Solution.

Discover our comprehensive range of high-performance valves designed for demanding industrial applications. Filter by category, pressure class, or search by name and standards—each product page includes specifications, materials, and certifications.

34 products in catalogue

Cryogenic Butterfly Valves

Cryogenic Butterfly Valves

API 609BS 6364
Size: 80mm–1800mm
Rating: Class 150–600

Sizes 80mm–1800mm (3"–72"), Class 150–600. Triple offset for LNG terminal & cryogenic service. Tested to -196°C per BS 6364.

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Top Entry Ball Valves

Top Entry Ball Valves

API 6DISO 17292ASME B16.34
Size: 50mm–600mm
Rating: Class 150–1500

Sizes 50mm–600mm (2"–24"), Class 150–1500. Trunnion mounted, one-piece top entry body. For gas pipelines & underground applications.

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Two Piece Ball Valves

Two Piece Ball Valves

BS EN ISO 17292API 6D
Size: 15mm–300mm
Rating: Class 150–1500

Sizes 15mm–300mm, Class 150–1500. Regular & full bore, multi-port options.

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Three Way Ball Valves

Three Way Ball Valves

BS EN ISO 17292API 6D
Size: 15mm–300mm
Rating: Class 150–1500

Sizes 15mm–300mm, Class 150–1500. L-port & T-port for flow diversion.

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Floating Design Ball Valves

Floating Design Ball Valves

API 6DISO 17292ASME B16.34
Size: 15mm–200mm
Rating: Class 150–1500

Sizes 15mm–200mm (½"–8"), Class 150–1500. 1, 2 & 3 piece designs. Fire safe, anti-static, bubble-tight shutoff.

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Trunnion Mounted Ball Valves

Trunnion Mounted Ball Valves

API 6DISO 17292ASME B16.34
Size: 50mm–900mm
Rating: Class 150–1500

Sizes 50mm–900mm (2"–36"), Class 150–1500. Split body (top entry & welded body). Flanged & butt weld ends. Double piston effect.

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Internal Bearing Block Ball Valves

Internal Bearing Block Ball Valves

API 6DASME B16.34API 598
Size: 200mm–1200mm
Rating: Class 600–1500

Severe-service trunnion mounted ball valves with top and bottom internal bearing blocks that absorb dynamic loads, stabilize the ball and support positive stem sealing.

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One Piece Jacketed Ball Valves

One Piece Jacketed Ball Valves

BS EN ISO 17292API 6D
Size: 15mm–250mm
Rating: Class 150–300

Sizes 15mm–250mm, Class 150–300. Full bore, jacketed, fire safe to API 607.

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Taper Bore Sleeved Plug Valves

Taper Bore Sleeved Plug Valves

API 599ASME B16.34
Size: 15mm–400mm
Rating: Class 150–600

Sizes 15mm–400mm, Class 150–600. Non-lubricated design for chemical & process applications. 2-way & 3-way configurations.

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Pneumatic Actuators

Pneumatic Actuators

ISO 5211SIL 3

Sizes 6 Nm to 50,000 Nm. Rack & Pinion and Scotch Yoke types. Fail close, fail open, fail last. SIL 3 certified, weatherproof IP67, NAMUR mounting.

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Cryogenic Gate Valves

Cryogenic Gate Valves

API 600API 602API 6D+1
Size: 50mm–300mm (2"–12")
Rating: Class 150–600

Cryogenic isolation gate valves for -46°C to -196°C service, with extended-bonnet cold-box and non-cold-box configurations for liquefied gases.

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Cryogenic Globe Valves

Cryogenic Globe Valves

BS 1873API 602ASME B16.34+1
Size: 50mm–300mm (2"–12")
Rating: Class 150–600

Cryogenic globe valves for controlled isolation and throttling from -46°C to -196°C, with extended bonnets that protect the stem packing from the cold process zone.

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Cryogenic Check Valves

Cryogenic Check Valves

BS 1868API 602API 6D+1
Size: 50mm–300mm (2"–12")
Rating: Class 150–600

Cryogenic non-return valves for low-temperature liquefied-gas systems, engineered for dependable one-way flow and tight seating down to -196°C.

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High Performance Double Offset Butterfly Valves

High Performance Double Offset Butterfly Valves

API 609ASME B16.34
Size: 50mm–1000mm
Rating: Class 150–300

Sizes 50mm–1000mm (2"–40"), Class 150–300. PTFE & metal seat options. Wafer, lugged & flanged ends.

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Large Diameter Flanged Butterfly Valves

Large Diameter Flanged Butterfly Valves

EN 593AWWA C504ASME B16.34
Size: 150mm–3000mm
Rating: PN 6–16

Sizes 150mm–3000mm (6"–120"), PN 6–16. Double offset with rubber lined body option. Flanged ends.

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Centreline Butterfly Valves

Centreline Butterfly Valves

API 609EN 593ASME B16.34
Size: 50mm–1000mm
Rating: PN 6–16

Sizes 50mm–1000mm (2"–40"), PN 6–16. Centreline design with replaceable or bonded seat. Wafer & lugged ends.

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Cryogenic Ball Valves

Cryogenic Ball Valves

BS EN ISO 17292API 6DBS 6364
Size: 15mm–200mm
Rating: Class 150–300

Sizes 15mm–200mm, Class 150–300. Extended stem, fire safe design.

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Three Way Diaphragm Valves

Three Way Diaphragm Valves

BS EN 13397
Size: 15mm–350mm
Rating: PN 6–16

Sizes 15mm–350mm. Weir & straight-through type with rubber/PTFE diaphragms.

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PFA Lined Diaphragm Valves

PFA Lined Diaphragm Valves

BS EN 13397EN 12266-1EN 558-1
Size: 15mm–250mm (½"–10")
Rating: PN 5–10

PFA or PP-lined diaphragm valves for highly corrosive fluids, acids, alkalis, chlorides and semiconductor process service. PTFE diaphragm with elastomer backup pad.

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Forged Steel Gate Valves

Forged Steel Gate Valves

API 602EN ISO 15761ASME B16.34
Size: 8mm–50mm (¼"–2")
Rating: Class 800–2500

Compact forged-steel gate valves for high-pressure isolation, available with bolted or welded bonnet and screwed, socket-weld, butt-weld or flanged ends.

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Forged Steel Globe Valves

Forged Steel Globe Valves

API 602EN ISO 15761ASME B16.34
Size: 8mm–50mm (¼"–2")
Rating: Class 800–2500

Compact forged-steel globe valves for high-pressure isolation and flow regulation, with bolted or welded bonnet and multiple end-connection options.

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Forged Steel Check Valves

Forged Steel Check Valves

API 602EN ISO 15761ASME B16.34
Size: 8mm–50mm (¼"–2")
Rating: Class 800–2500

Forged-steel piston-lift check valves with spring-loaded discs for compact, high-pressure non-return service and a choice of screwed, welded or flanged ends.

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Triple Offset Butterfly Valves

Triple Offset Butterfly Valves

API 609ASME B16.34
Size: 80mm–1800mm
Rating: Class 150–600

Sizes 80mm–1800mm (3"–72"), Class 150–600. Metal-to-metal zero-leakage seating. Heavy duty, tight shutoff, replacing gate & ball valves.

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PFA / ETFE Lined Valves

PFA / ETFE Lined Valves

BS 5155EN 593ISO 17292
Size: 15mm–600mm
Rating: PN 6–16, Class 150

Sizes 15mm–600mm (½"–24"), PN 6–16 & Class 150. PFA/ETFE lined for highly corrosive service — acids, alkalis, caustic, chlorine. Body completely lined.

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Replaceable & Bounded Seat Butterfly Valves

Replaceable & Bounded Seat Butterfly Valves

BS EN 593API 609
Size: 40mm–600mm
Rating: PN 2.5–16

Sizes 40mm–600mm, PN 2.5–16. Resilient seated, wafer & lugged ends.

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Knife Edge Gate Valves

Knife Edge Gate Valves

MSS SP-81
Size: 50mm–600mm
Rating: PN 2.5–16

Sizes 50mm–600mm. Wafer & lugged ends for pulp, slurries & sludge.

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Dual Plate Check Valves

Dual Plate Check Valves

API 6DAPI 594
Size: 50mm–1600mm
Rating: Class 150–2500

Sizes 50mm–1600mm (2"–64"), Class 150–#2500. Non-slam, dual plate design. Wafer, lugged & flanged ends.

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Jacketed Plug Valves

Jacketed Plug Valves

API 599BS 5353API 6D
Size: 15mm–400mm
Rating: Class 150–300

Sizes 15mm–400mm, Class 150–300. Temperature-maintained for viscous media.

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Cast Steel Gate Valves

Cast Steel Gate Valves

API 600API 6DASME B16.34
Size: 50mm–1000mm (2"–40")
Rating: Class 150–2500

Heavy-duty cast-steel gate valves for dependable on-off isolation, available in bolted-bonnet Class 150–600 and pressure-seal Class 900–2500 designs.

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Cast Steel Globe Valves

Cast Steel Globe Valves

BS 1873ASME B16.34EN 12266-1
Size: 50mm–600mm (2"–24")
Rating: Class 150–2500

Cast-steel globe valves for isolation and controlled flow, offered with bolted bonnet for Class 150–600 and pressure-seal bonnet for Class 900–2500.

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Cast Steel Swing Check Valves

Cast Steel Swing Check Valves

API 6DBS 1868ASME B16.34
Size: 50mm–900mm (2"–36")
Rating: Class 150–2500

Cast-steel swing check valves for automatic non-return service, available with bolted cover for Class 150–600 and pressure-seal cover for Class 900–2500.

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Three Way Plug Valves

Three Way Plug Valves

API 599ASME B16.34
Size: 15mm–400mm
Rating: Class 150–600

Sizes 15mm–400mm, Class 150–600. Multi-port configurations. 2-way & 3-way designs.

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Diaphragm Valves

Diaphragm Valves

BS 5156DIN 3202MSS-SP-88+1
Size: 15mm–500mm
Rating: PN 6–16

Sizes 15mm–500mm (½"–20"), PN 6–16. Weir type & straight-through type. Glandless design, online maintenance, field-replaceable diaphragm.

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Full Bore Plug Valves

Full Bore Plug Valves

API 599API 6D
Size: 15mm–400mm
Rating: Class 150–600

Sizes 15mm–400mm, Class 150–600. Full circular bore — low pressure drop. Cavity-free design. Piggable per API 6D. Fire safe & fugitive emission compliant.

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