Wafer Concentric Butterfly Valve
- Connection Type
-
- Wafer
- Actuation Type
-
- Lever, Gear, Pneumatic, Electric, Hydraulic
Wafer Concentric Butterfly Valve is a lightweight, space-saving flow control valve designed for mid-low pressure systems. Clamped directly between two pipeline flanges without extra bolts, it delivers reliable on-off control for water, air, and neutral fluids, ideal for HVAC, water treatment, and general industrial applications.
ZZJG's Advantages
- The flowing medium can travel through a stream-lined butterfly disc without experiencing a significant pressure reduction or flow restriction.
- Small torque, easy operating, smart and effort-saving.
- Quick-acting; to switch the valve from the completely open to the entirely closed position, the stem only needs to be moved 90 degrees (1/4 turn).
- The design is well adapted for flow regulation and does not produce much turbulent flow when somewhat opened or shut down.
- Appropriate for larger applications since they are often less expensive and not heavier.
- Innovative and reasonable design, unique structure, light weight, and fast opening and closing.
- It can be settled any place, easy maintenance.
- The sealing material is aging-resistant, corrosion-resistant, and has a long service life.
Product Details
| Spec | Detail |
|---|---|
| Size Range | DN50~1600mm (NPS2"~64") |
| Pressure Class | PN0.6~1.6MPa (Class150) |
| Matrial | Cast Iron, Ductile Iron, WCB, LCB, CF8, CF8M, CF3, CF3M, A890 4A |
| Standards | ANSI, API, CE, DIN, EAC, JIS, ISO, EN |
Professional Quality
Various Types
ZZJG offers one of the most comprehensive butterfly valve product lines from a single manufacturer including triple-offset butterfly valves, double-offset butterfly valves, high performance butterfly valves etc.
Service Support
ZZJG range of aftermarket services encompasses valve repair, refurbishment, maintenance, custom engineering solutions, and genuine OEM spare parts to sustain optimal equipment performance well after installation.
Processing Ability
ZZJG employs advanced manufacturing technologies using state-of-the-art machinery and equipment to ensure our products perform in the most challenging environments.
Why ZZJG Butterfly Valves?
API 609 International Certification
Fully compliant with API 609 international standard, covering all structural types including double flange, lug, and wafer types, and has obtained global market access qualifications for the petroleum, chemical, and power industries. Class 150 ~ 2500 (PN20 ~ PN420), NPS2" ~ NPS200" (DN50 ~ DN6000), temperature range -40℃ ~ 600℃, zero-leakage, and fireproof with API 607.
Leading Eccentric Structure Design
Double and triple eccentric design, the valve shaft, valve seat, and pipeline centerline are precisely offset, significantly reducing friction and wear. Bidirectional zero-leakage pressure, with built-in anti-sludge and self-cleaning functions, suitable for harsh media such as sewage and slurry, and with a service life more than 3 times longer than conventional butterfly valves.
Reliable and Guaranteed Quality
Founded in 1981 and located in the valve capital of China, this company is a certified National High-Tech Enterprise with R&D investment exceeding 5%. Its 12-step full-process testing procedure, from material verification to finished product delivery, adheres to API 609 inspection standards to ensure zero-defect delivery.
Customized Services for All Conditions
Adaptable to all media including water, steam, oil, acids, alkalis, and gases, meeting the needs of core industries covered by API 609, such as petroleum, natural gas, chemical, and power. Specialized models are developed for different scenarios, such as fully welded, leak-free butterfly valves for heating pipelines and hydraulically controlled slow-closing check valves for hydropower stations.
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