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Metal Seated Ball Valve
Nortech metal seated ball valves deliver reliable zero-leakage shutoff for high-temperature and severe wear applications up to Class 900, per API 6D. Featuring both floating and trunnion designs (1/2″-36″) with uni- or bi-directional sealing, these hard-faced valves ensure superior durability in abrasive slurries.
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Fully Welded Ball Valve API6D CLASS 150~2500
Full welded ball valve,API6D API6D CLASS 150~2500 pipeline ball valve
Forged steel completely welded,underground valve.
Size Range：1/2″~60″（DN15~DN1500）
Pressure Class：ASME CLASS 150~2500
Main material：carbon steel, low temperature steel, staniless steel, alloy steel & duplex steel etc.
Ends：RF,RTJ,SW,NPT,BW etc.
Operation type：H.O,G.O,Pneumatic operation,Actuator operation etc.NORTECH is one of the leading China Fully Welded Ball Valve Manufacturer & Supplier.
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Fully Welded Ball Valve
Nortech fully welded ball valves offer maintenance-free underground service for high-pressure gas pipelines up to Class 1500, compliant with API 6D. Featuring a forged steel welded body (NPS 6″-40″) with extended stem design, these valves ensure zero external leakage in cross-country transmission lines.
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Trunnion mounted Ball Valve
High-performance Trunnion Mounted Ball Valves designed to API 6D & ASME B16.34 standards. Features double block and bleed (DBB), low torque, and fire-safe design for high-pressure oil and gas pipelines,ideal for sour service compliant with NACE MR0175.
NORTECH is a leading China trunnion mounted ball valve manufacturer & supplier
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Triple Eccentric Butterfly Valve
Nortech triple eccentric butterfly valves provide reliable metal-to-metal zero-leakage shutoff for high-pressure pipelines up to Class 900, per API 609. Featuring a triple offset design that eliminates disc friction and wear, these heavy-duty carbon/stainless steel valves deliver superior thermal shock resistance.
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Double Eccentric High performance Butterfly Valve
Nortech high performance double eccentric butterfly valves offer zero-leakage bi-directional sealing up to Class 600/PN100, manufactured to API 609 standards. Featuring a double offset design with ATEX and fire-proof certification, these carbon/stainless steel valves ensure a 1,000,000-cycle life test with fast 3-5 week delivery.
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Double Flange Butterfly Valve
Nortech double flange butterfly valves feature a fully vulcanized rubber seat for reliable bi-directional sealing, manufactured to API 609 and EN 593. Engineered with integral cast flanges for direct bolting, these resilient-seated valves are perfect for isolation, regulation, and end-of-line service.
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PTFE lined butterfly valve
Nortech PTFE lined butterfly valves provide superior corrosion resistance for aggressive chemicals and high-purity fluids, manufactured to API 609. Available in wafer and lug types (DN50–DN600), these split-body valves completely isolate process media from the metal body for chemical and pharmaceutical applications.
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U Type Butterfly Valve
Nortech double flanged U-type butterfly valves feature a fully vulcanized rubber seat for reliable, tight sealing compliant with API 609 and EN 593. Engineered with integral flanges for precise alignment without adaptors, these concentric resilient-seated valves are ideal for waterworks and irrigation systems.
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Double Eccentric Butterfly Valve rubber seated
Nortech double eccentric butterfly valves deliver reliable, low-torque shutoff for waterworks, available in DN350–DN2000 compliant with AWWA C504 and EN 593. Engineered with double offset disc geometry and ductile iron body, these heavy-duty valves ensure zero leakage and extended service life in water treatment.
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Resilient seated Butterfly Valve lug type
Nortech resilient seated butterfly valves deliver 100% bi-directional bubble tightness for isolation and flow regulation, manufactured to API 609. Featuring a pinless disc and compact lug/wafer design (NPS 1.5”-24”), these cost-effective valves offer easy maintenance with replaceable rubber sleeves.
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Resilient Seated Butterfly Valve Wafer Type
Nortech resilient seated butterfly valve, wafer type. DN40–DN600, PN10/16/25, ANSI Class 125/150. Pinless disc, bi-directional bubble-tight sealing, ISO 5211. Replaceable rubber sleeve. Isolation or flow regulating duty. API 609 / EN 593, ISO 5752 / EN 558. Lever, gearbox, electric or pneumatic operator. OEM/ODM.
- Call Support 021-54717893
- Email Support sales@nortech-v.com