SUZHOU DELAN ENERGY SCIENCE&TECHNOLOGY CO., LTD

Suzhou, China

• MOQ 1 Piece(s)

We are offering jy series globle valve. We are valve characteristics: 1)excellent packing system the use of garlock high temperature packing ensures the best sealing and lubrication performance as well as easy operation in a safe circumstance. 2)stellite cobalt-based hard alloy disc the sealing surface of disc is surfacing carbide or solid carbide alloy , which has excellent mechanical properties , wear resistance, erosion resistance , and keep the valve has long service life. 3)upper and lower guiding ring on the disc the cavity-guided disc has an upper and lower guiding ring, the top and bottom of the valve disc simultaneously oriented, composing a piston disc in the body cavity to eliminate sticking , surface scratches , and valve vibration phenomenon under different pressure. The guidance ring in the bottom of the disc makes the fluids traverse the valve nearly in a straight line which can effectively avoid breakdown caused by side crashing. 4)with the best cv value tilt structure of the stem and the best design of the channel’s shape make the media flowing in nearly linear fashion , thus achieving a higher cv values ​​and lower pressure head loss . 5)sealing surface with overlaying welding special process surfacing carbide sealing surface with special process on the valve body provides a compact structure. Conical sealing surface can provide a reliable and durable seal by a small axial force only. Application : 1.various kinds of steam&water pipes draining and discharging 2.superheater draining and discharging 3.boiler blowdown and cut-off 4.continuous blowdown and cut-off 5.sootblower steam blowing and shut-off performance parameters: nominal diameter ：34 “~4” nominal pressure：ansi 150lb-4500lb body material :a105, f22, f316h, f91, f92 flow characteristics: quick opening

• MOQ 1 Piece

We are offeirng sliding-stem control valve. Valve characteristics: 1)valve plug stability rugged guide cylinder provides excellent plug stability, which reduces vibration and mechanical noise; 2)more flow capacity streamlined flow channel ensures low flow resistance and excellent flow capacity; 3)balanced valve plug structure valve plug and cage composes of pressure-balanced structure, high precision & wide adjustable range, also suitable for high differential pressure condition; 4)high-temperature capacity with class iv or class v shutoff using of c -ring metal trim, which can realize class v shutoff at temperatures up to 593 degrees; 5)actuator diaphragm actuator & piston actuator, compact structure , large pushing force; 6)operating economy stainless steel trim after standard treatment increased wear resistance and longer life. 7)maintenance economy modular design of trim, easy maintenance

• MOQ 1 Piece(s)

We are offering drain valves. Valve characteristics: 1)circulatory convection, multi-stage pressure reducing mechanism, avoid cavitation efficiently, greatly prolong service life. 2)all the trims can be quickly removed and replaced, easy to maintain with less cost. 3)imported high-quality stem packing ensures leak-free without frequent replacement. 4)scientific construction, high-performance materials and exquisite workmanship enable both the plug and cage to have excellent anti-blocking and anti-jamming performance so that a small amount of sundries in the pipeline will not lead to any blocking for the passage nor jamming for the plug in condition of frequent openning operation. 5)appropriately matched plug and cage materials , wear resistance, anti-scratch and anti-scuffing. 6)zero leakage, long-service life and low breakdown rate ensure a safe and reliable operation of the feedwater pump. Typical application : minimum flow circulation valve is the key supporting equipment of power plant’s boiler feedwater pump. Boiler water from the feedwater pump will be pressurized up to 20-30mpa or above in the deaerator then sent to the high pressure heater and eventually into the boiler. A certain minimum flow of the feedwater pump should be ensured to take away the heat generated by its operation so as to avoid overheating and vanes damage due to cavitation. Boiler feedwater flow is small during the startup or shutdown process.also water demand decreases in condition of breakdown. In order to ensure the normal operation of the pump, a recirculation system should be mounted in the pump outlet to carry a portion of the feedwater back to the deaerator from the pump.

• MOQ 1 Piece(s)

We are offering sy series drain valve. Valve characteristics: 1)y-pattern forged body, little flow resistance, high cv value. 2)disc with throttle piece, effectively protecting the sealing surface , extend valve life . 3)disc & seat sealing surface are treated by special processing for anti-cavitation , anti-erosion . 4)two guide rings in disc ensure stem bear balanced force , flexible movement to avoid jammed phenomenon . 5)high-quality flexible graphite packing garlock imported , good chemical property and flexibility , low friction , long service life. 6)fast swtiching speed , generally 3-5 seconds , effectively protect the system security , greatly reduce the time of the sealing surface eroded by the media. 7)bonnet heatsink , sufficient cooling to protect pneumatic actuators and solenoid valve not affected by the high temperature.chamber gasket clip wire the high mesh flexible graphite pad , better sealing performance and reliability than the average flexible graphite. Application: pneumatic steam drain valves arei installed in the steam pipeline of thermal power plants, which can be divided in accordance with the mounting position as: ·main steam line drain valves ·hot reheat line drain valves ·cold reheat line drain valves ·first stage, second stage, third stage, fourth stage, fifth stage and sixth stage extraction steam piping drain valves