Valve Brand: SUFA | Aiqu Brand H
Structural advantages and features of SUFA utility valves:
1. Product structures are designed using advanced I-Deas 3D CAD and finite element analysis software from SDRC, making the product structure more rational and the performance superior.
2. Products are machined on high-precision CNC machine tools and machining centers, guaranteeing product quality and compatibility with imported plants and equipment.
Product range:
1) Resilient-seated gate valve Z45X series, 2) Center-line resilient-seated butterfly valves D41X, D71X, 3) Double-offset resilient-seated butterfly valve D342X,
4) Rubber-flap swing check valve H44X, 5) Silent lift check valve JH42X, 6) Remote-controlled float valve 100X,
7) Double-orifice air release valve FP41X, 8) Quick-opening sludge discharge valve JM744X, 9) Eccentric half-ball valve PQ340X,
10) Knife gate valve Z73X, 11) Flow regulating valve NL341X
Resilient-Seated Gate Valve
The resilient-seated gate valve (for water supply) is a straight-through valve with a flat, retention-free bottom; the entire wedge is fully rubber-encapsulated and complies with drinking water hygiene standards, suitable for municipal water supply and drainage. Bolted-bonnet and pressure self-sealing series are available.
Product Specifications
Size range: DN40~1200
Pressure class: PN6~25
Design standards: DIN3352, CJ/T216, GB/T24924
Body materials: ductile iron QT500-7, CF8
End connections: flanged
Operation: manual, electric, pneumatic
Double-Offset Resilient-Seated Butterfly Valve
The double-offset resilient-seated butterfly valve adopts a double-offset structure with integrally cast body and disc, fully coated inside and out with epoxy powder, and complies with drinking water hygiene standards. SUFA resilient-seated butterfly valves are designed to GB/T12238 and CJ/T 261; bolted-bonnet and pressure self-sealing series are available. They are applied in water supply and drainage, HVAC and gas systems, as well as on large plants and pipelines in chemical, power generation and metallurgy industries.
Product Specifications
Size range: DN50~4000
Pressure class: PN6~25
Design standards: GB/T12238, CJ/T 261
Body materials: ductile iron QT500-7
End connections: wafer, flanged
Operation: manual, electric, pneumatic, hydraulic
Double-Offset Metal-Seated Butterfly Valve
SUFA double-offset metal-seated butterfly valves adopt a double-offset structure with integrally cast body and disc, fully coated with epoxy powder and compliant with drinking water hygiene standards. The seat and disc sealing rings are all-metal without graphite or asbestos, causing no contamination of the media. Bolted-bonnet and pressure self-sealing series are available. Applications include water supply and drainage, HVAC and gas systems, as well as large plants and pipelines in chemical, power generation and metallurgy industries.
Product Specifications
Size range: DN150~4000
Pressure class: PN6~25
Design standard: JB/T8257-1997
Body materials: ductile iron QT500-7
End connections: wafer, flanged
Operation: manual, electric, pneumatic, hydraulic
Swing Check Valve
With a fully rubber-encapsulated disc, suitable for horizontal pipelines or vertical lines with upward flow, preventing media backflow. Bolted-bonnet and pressure self-sealing series are available.
Product Specifications
Size range: DN50~600
Pressure class: PN10~16
Design standard: JB/T 13880
Body materials: QT500-7
End connections: flanged
Operation: automatic
Silent Check Valve
The valve seat uses a disc-type, low-resistance design that effectively stabilizes flow, reduces erosion, noise and vibration, and provides low-loss non-return function. Widely used at pump outlets, long-distance pipelines and municipal water supply. Bolted-bonnet and pressure self-sealing series are available.
Product Specifications
Size range: DN50~1000
Pressure class: PN10~16
Design standard: GB/T 21387
Body materials: QT500-7
End connections: flanged
Operation: automatic
Double-Orifice High-Speed Air Release Valve is an air venting device that protects water transmission lines and improves delivery efficiency. Widely used on long-distance water pipelines, at deep-well/self-priming pump outlets and in municipal networks, it effectively eliminates air pockets in the pipeline system and ensures safe operation. A cushioning device can be provided to effectively control water hammer.
Product Specifications
Size range: DN50~300
Pressure class: PN6~16
Design standards: CJ/T 217 and GB/T 36523
Body materials: QT500-7
End connections: flanged. Operation: automatic