Top Multi-Port Valve
1) Durable lever action handle, wear resistant rotor. 2) Equipped with glass and pressure gauge. 3) Constructed of molded ABS material. 4) Large, one-piece handle for trouble free operation. 5) Six-position. 6) Threaded ports. 7) Sight glass included

Butterfly Valve
1) Size range: DN40 (1.5") to DN1, 200 (48"). 2) Type: wafer/lug/double stem. 3) Materials of construction:. a) Body: grey iron, ductile iron, carbon steel, stainless steel. b) Disc: ductile iron nickel plated (or nylon coated), aluminum bronze, stainless steel. c) Stem: stainless steel, carbon steel with zinc plated. d) Seat: EPDM/Buna-N/PTFE/neoprene/Viton.

PVC Ball Valve
Features: 1) Product sizes: 1/2" - 4". 2) Joint end: threaded (PT, NPT, BSPT). 3) Socket (ANSI, CNS, DIN, JIS, BS). 4) Working pressure: 200 PSI.  5) With gray, white, blue color

Check Valve
1) Sizes: DN50 - DN900. 2) Nominal diameter: 1.6MPa. 3) Suitable medium: fresh water, sewage, air, vapors, acids, salts. 4) Working temperature: -15 ~ +150°C. 5) Materials:. a) Body: cast iron, ductile iron, bronze, SS304, SS306. b) Disc: cast iron, ductile iron, bronze, SS304, SS306. c) Seat: EPDM, PTFE, NBR, VITON. d) Stem: carbon steel, SS410, SS416

Automatic Ball Valve
1. Waterproof and dustproof. 2. Actuator insulated well to valve body and the ambient. 3. Quick and easy replacement of moving actuator. 4. Actuator can be installed after plumbing work has been completed, for more efficient on-site installation. 5. Valve may be mounted to wall for actuator's off-center configuration. Specifications: 1. Media: chilled or hot water, 60% glycol. 2. Size: 1/2" to 3/4". 3. Flow: 2-way or 3-way. 4. Operating range: 3-point control (24V AC) or on/off. 5. Power supply: 200 - 240VAC, 50/60Hz. Optional: 100 - 130V AC, 50/60Hz. 24V AC, 50/60Hz. 6. Power consumption: 5W (during valve position change only). 7. Running time: 15sec (50Hz) / 12sec (60Hz). 8. Pipe fitting: BSPP external thread BSPP internal thread ; BSPT internal thread ; Compression external thread. 9. Material: forged brass, nickel plated. 10. Body: forged brass, casting bronze, or stainless steel. 11. Ball: chrome plated brass. Optional: stainless steel. 12. Stem: brass. Optional: nickel plated brass or stainless steel

Angle Seat Valve
Specifications: 1) Working pressure: 0.19 - 1.6MPa. 2) Temperature: -20 ~ 180^oC. 3) Connection type: inner thread. 4) Without a pilot solenoid valve. 5) Simple frame, reliable action, easy maintenance. 6) Valve body: 316 stainless steel. 7) Anti-corrosive. 8) Through flow, low fluid resistance. 9) Light weight, low volume. 10) Piston type air-operated valve. 11) Open / close air source pipeline to control main valve

Pneumatic Actuator
Hard anodized aluminum housing (internal and external). Standard ISO 5211 valve mounting interface. Top mounting for positioner and limit switch box in accordance with VDI/VDE 3845 Namur specifications. Direct mounting Namur solenoid valve capability. Internal porting eliminating external tubing (when NAMUR mounted solenoid is used). Adjustable mechanical travel stops. Blow out proof pinion gear. Optional Vitonseal kit. Visual indication. Works equally well on lubricated or non-lubricated air Features: reliability, high performance, long cycle life, large adjustment, highest levels of corrosion protection, wide selection of model with easy and economy.

Hydraulic Cartridge Valve
We can provide professional hydraulic Screw-in Cartridge valves and we can design manifold blocks according to your requirement. Right now, we have: Pressure control valve: 1.Relief valve ; 2.Counterbalance valve ; 3.Sequence valve ; 4.Pressure reducing valve. Direction control valve: 1.Check valve ; 2.Hydraulic operated directional valve ; 3.Solenoid operated directional valve ; 4.Shuttle valve; 5.Manual (mobile) operated. Flow control valve: 1.Restriction valve ; 2.Regulator pressure-compensated valve ; 3.Flowdivider/combiner valve.

Metal Valves
The control of water movement is a key requirement in any water system. Our valves are suitable for irrigation and water distribution lines. The valves are fast to operate, compact and may be used for throttling as well as on/off control. The valves function across a wide range of optional pressures. Specifications: 1) Brass angle valve: dn15mm (1/2"), 20mm (3/4"). 2) Brass gate valve: dn15mm (1/2"), 20mm (3/4"), 25mm (1"), 32mm (1-1/4"), 40mm (1-1/2"), 50mm (2"). 3) Brass check valve: dn15mm (1/2"), 20mm (3/4"), 25mm (1"), 32mm (1-1/4"), 40mm (1-1/2"), 50mm (2"). 4) Brass auto air vent: dn15mm (1/2"), 20mm (3/4"), 25mm. 5) Brass stop valve: dn15mm (1/2"), 20mm (3/4"), 25mm (1"), 32mm (1-1/4"), 40mm (1-1/2"), 50mm (2"). 6) Brass ball valve: 15mm, 20mm, 25mm, 32mm, 40mm, 50mm

One-Piece Stainless Steel Ball Valve
1) One-piece stainless steel ball valve. 2) Thread end: BSPT, NPT, DIN 259, DIN2999. 3) Material: ASTM A351-CF8M stainless steel. 4) 1/4" - 2" reduce bore. 5) For chemical and industrial applications. 6) Pressure temperature rating: 1,000PSI. 7) Blow-out proof stem S/S 316. 8) 100% tested air-under water at 100PSI (6 bars) open and close position

Hand-Control Directional Valve
This valve is a directional valve to control the direction change of guiding valve manually. It is used for hydraulic pressure system. By controlling the flow, cutoff and direction of the oil, it can change its position in the system. With various guiding valves of different mechanisms, including O, H, Y, M, K, P, J, X, C, N and Z, it can meet different requirements for oil circuit system.

Ball Valve
1) Healthy and non-toxic, free of stain and scale 2) High temperature resistance (maximum water temperature up to 90°C) and high pressure resistance (over 5MPa) 3) Hot welding connection adopted, making pipes and fittings into a whole, leakage effectively prevented 4) Excellent heat insulation property from minimum thermal conductivity (only one hundredth of that of metal pipes) 5) Lightweight (approximately one eighth of that of metal pipes), easy to handle and transport 6) Smooth inner wall, reducing the pressure loss and increasing the flow speed 7) Low noise, reduced by 40% compared to galvanized steel pipes 8) Soft colors and excellent design, suitable for installation either exposed or hidden 9) Wonderful ability in chemical corrosion resistance 10) Easy and fast installation, making the cost minimized 11) Over 50 years of service life under normal condition

Cast Steel Gate Valve
1) DN50-1200. 2) Fluorine lined gate valve, specially designed for corrosive mediums. 3) Suitable for vitriol, muriatic acid, hydrofluoric acid, all kinds of organic acid, and oxidants of any strength at 50 - 150^oC. 4) Also suitable for organic alkali solvent and other corrosive gases and fluids. 5) Widely used in water works, power generating plants, chemical industries, food, paper making and pharmaceutical fields

Solenoid Valves
1) Body material: stainless steel. 2) Operating type: normally closed/ normally open. 3) Mode of action: 2/2 way; pilot operated type. 4) Sealing material: NBR or Vion; NBR is standard. 5) Coil grade: Class B; IP 65. 6) Suitable temperature: below 130 degrees

Pump Control Valve
Specifications: 1) Diaphragm type: 2" - 14". 2) Piston type: 16" - 36". 3) Class: 150lbs - 600lbs. Technical standards: 1) Design and manufacture: API 6D. 2) Face-to-face: ANSI B16.10. 3) Flange end: ANSI B16.5. 4) Inspection and test: API 598. Main materials: 1) Body and bonnet: cast iron, ductile cast iron, WCB, WCA, WCC, A351, 304, 340L, 316, 316L17-4PH. 2) Disc: brass, stainless steel, carbon steel. 3) Stem: stainless steel

Electromagnetic Valve
It is mainly applied to electromagnetic switch, in accordance with different tensions; different types are applied. It has the advantage of convenient application, practicality, and reliability. It is widely applied to dynamic control

Butterfly Valve
The products are widely used in water source projects, urban water supply and drainage, sewage treatment, electric power, petroleum, petrochemical , heat supply, shipbuilding, medicine and metallurgy industries. Equipment are used for regulating or cutting off media in pipelines. Suitable media include water, sewage, sea water, air, foodstuff and oil. Suitable for handles (DN50~300), gear operators, electric and pneumatic control actuators.

Relief Valve
1) Inlet pressure: 0.1 - 0.2MPa 2) Outlet pressure: 0.7MPa 3) Sizes: 1/2" BSP 4) Blow-off pressure: <0.04MPa 5) Patented check valve that no need to seal up, reduce the maintenance cost.

Air Valves
1) Work pressure: 1.7MPa. 2) Prevent blast pattern. 3) Released pressure: 2.2±10%MPa. 4) Linking bond: PZ28-1.814. 5) Outlet bond: W0.885-1.814 left. 6) Diameter: φ7. 7) Weight:476g. 8) Material:HPb59-1

Wafer Type Butterfly Valve
1. Small in size and light in weight, easy instillation and maintenance. It can be mounted wherever needed. 2. Simple and compact construction, quick 90 degrees on-off operation. 3. Minimized operating torque, energy saving. 4. Flow curve teeing to straight line, excellent regulation performance. 5. Long service life, standing the test of tens of thousands opening/closing operations. 6. Bubbles-tight sealing with no leakage under the pressure test. 7. Wide selection of materials, applicable to various mediums. Material of main parts: Body: cast iron, ductile iron, stainless steel, cast steel. Disc: Monel, ductile iron, stainless steel, Al-bronze, ductile iron with nylon coated. Seat: EPDM or NBR or PTFE or VITON or vulcanized in body. Stem: SS416 or SS316 or Monel. Pin: SS316 or Monel. Operated: handle or wormgear, pneumatic, electric actuator

Hydraulic Valve Assembly
Specifications: 1) Functions: heating / bathing. 2) Valve diameter: 20mm. 3) Reversing mode: motor driving. 4) Motor working voltage: AC 220V / 50Hz. 5) Flow sensor working voltage: DC 5V. 6) Heating water control pressure: 0.5 - 3.0kgf/cm². 7) Bathing water max. working pressure: 7kgf/cm². 8) Bathing water min. working pressure: 0.3kgf/cm². 9) Bathing water min. flow: 2.5L/min. 10) Bathing water limited flow: 7.3 / 10L/min

Valve Electric Actuator
These actuators are suitable for use on butterfly valves, ball valves and plug valves, which are required to travel 90°. The case body is made of die casting aluminum. These actuators are featured by attractive appearance, small size, light weight, high efficiency, high reliability, high protection capability and low noise. Both local and remote control can be carried out. So they have been applied in petroleum and chemical industries, power stations, water treatment and paper-making industries.

Ball Valve, Gate Valve, Check Valve, Globe Valve
Specialized in supply various industrial valves, high quality met even exceed and most competitive price in China! 1. Gate valve: Wedge, Parallel Slide Types. 2. Globe valve. 3. Check valve: Swing, Plug lifting, Wafer types. 4. Ball valve:1-PC,2-PC,3-PC, FB, RB, Floating& Trunnion mounted ball, Fire safe, Anti-Static. Size: NPS1/4 -48 DN 8mm-1200mm(1/4 -2 Forged,2-1/2 -48 Investment Casted). Pressure ratings: ANSI CL150-2500Lbs (PN10-PN420). Mat: Carbon steel, Stainless& Alloy steel. End connection: RF, RTJ, WNF, SW, BW, NPT. Suitable temp.: -196deg. C - +550deg. C. Standards: ANSI, API, ASTM, ASME, BS, DIN, JIS, ISO. Approval: ISO9001, API-6D, CE/PED. Applications: Petroleum, Gas& Water, Power Plant, Pulp/Paper, Oil refinery, Petrochemical, Pipelines, Steam, Fertilizers, Mining, and Metallurgical Industries etc. 

Gate Valves
The gate valves supplied by SYI Foundry are mainly used for adjusting water, steam, oil, gas, and natural gas in chemical industries, acid, alkali and salt working pipelines. Size: 50-400mm/2"-16"

Knife Gate Valve
1) QS frictionless metal sealed knife gate valve. 2) Suitable fluids: paper pulp, syrup, powders. 3) Material: WCB, CF8, CF3M. 4) Driving modes: manual, pneumatic, electromotion, hydraulic. 5) Suitable pressure: 1.0MPa. 6) Working temperature: ≤250^oC. 7) Specification: DN50-DN400. 8) Leakage: GB/T4213-921V

Pipes and Valves
Completely made of SUS304/316L stainless steel. Interior mirror polished, surface polished and blast sanding, smooth and level. Widely used for low pressure pipeline system of the industries, such as foodstuff, brewing, beverage, dairy, fine chemical industry, medicine and cosmetics

Butterfly Valve
The slim-disc butterfly valve is developed based on the wafer butterfly valve and advanced technology introduced from foreign countries. In addition to the feature of the wafer butterfly valve, it has strong corrosion resistance and no-pin. This product is suitable for adjusting flow, and can be installed in pipelines in the industries of petroleum processing, chemicals, food, medicine, textile, paper making, hydroelectricity engineering, ship building, water supply and sewage, metallurgy, energy engineering as well as light industry. Handle: Body: cast iron ; Disc: CF8M ; Size: 2" up to 8" ; Gear: 2" up to 24"

Ball Cock
1) Small in size and light in weight. Easy installment and maintenance, can be mounted wherever needed. 2) Simple and compact construction, quick 90 degrees on-off operation. Minimized torque, energy saving. 3) Long service life. Standing the test of tens of thousands opening / closing operations. 4) Flow curve tending to straight line. Excellent regulation performance. 5) Bubbles-tight sealing with no leakage under the pressure test. 6) Wide selection of materials, applicable for various medium

Multifuctional Pump Control Valve
The valve have the function of the followingvalve: motorized valve, non return valve and water-hammering eliminator and can improve the safety in the system. The valvehave solw -open, quick-close and slow -close function to prevent water -hamming when open or close pump. Only push the button for closing or opening pump and the valve can according to pump's operation procedure with large flow and little pressure loss. JD745X diaphragm type multifunctional pump control valve is for DN600 or less valve.

Gas Control Valve
1) Max. working temperature: 150^oC. 2) Max. working pressure: 65 mbar. 3) PN: 1/2PSI. 4) Input thread: 5/8-18UNF. 5) The distance of the center of the valve: 76mm. 6) Inlet connection: threaded. 7) Outlet connection: available with and without thread, with and without seat for tubing, with and without assembled injector, inclined