Leads (191 results)

N-octane 97%,99%,99.9%min Identification: Chemical Name: N-octane Synonyms: Octane, Normal octane CAS No.: 111-65-9 Molecular formula: C8H18 Specifications: Items Standards N-hexane Content ?97.0%, 99.0%,99.9%(Custom-made) Water content ?50ppm Color saybolt +30 Specific Gravity(kg/m3,20°C) 690-712 Initial boiling point ?127°C Dry point ?127°C Bromine index(mg/100g) ?50 Total sulfur(ppm) ?1 Aromatics content(ppm) ?30 Application: It is used for organic synthesis, the sol ... read more »

N-hexane 97%,99%,99.9%min Identification: Chemical Name: N-hexane Synonyms: Hexane CAS No.: 110-54-3 Molecular formula: C6H14 Specifications: Items Standards N-hexane Content ?97.0%, 99.0%,99.9%(Custom-made) Water content ?35ppm Color saybolt +30 Specific Gravity(kg/m3,20°C) 655-681 Initial boiling point ?65°C Dry point ?70°C Bromine index(mg/100g) ?30 Total sulfur(ppm) ?1 Aromatics content (ppm) ?20 Ultraviolet absorption 240-280nm ?0.15 Ultraviolet absorption 280-400nm ... read more »

N-Heptane 97%,99%,99.9%min Identification: Chemical Name: N-Heptane Synonyms: Normal heptane, Heptane CAS No.: 142-82-5 Molecular formula: C7H16 Colorless liquid Specifications: Items Standards N- Heptane Content ?97.0%, 99.0%,99.9%(Custom-made) Water content ?50ppm Color saybolt +30 Specific Gravity(kg/m3,20°C) 675-690 Initial boiling point ?94°C Dry point ?99°C Bromine index(mg/100g) ?10 Total sulfur(ppm) ?1 Aromatics content(ppm) ?50 Application: It is widely used f ... read more »

FREE-Valve’s Bi directional knife gate valves are known as slurry gate valves. Its are bidirectional valve deals with flow in both directions, while offering zero leakage. The U shape peripheral seat design ensures full-port flow and non-clogging shutoff.The disc bottom of knife gate valve is made into a blade shape with the purpose to cut some soft materials such as fiber,pulp or wood pulp, and it also serves favorable closing and opening. Features: 1) Knife gate valve is Bi directional, ... read more »

FREE-Valve’s Triple Offset Butterfly Valve adopt triple offset principle to design, makes the movement track on facing space reach to idealization, and there are no attrition and no intervene between sealing pair , furthermore, the sealing material has been selected reasonably, thereby it ensure sealing performance, wear resistance, high temperature resistance capability of valve. Features 1. Reliable sealing, convenient operation, opening and closing fast. 2. It adopt triple offset ... read more »

FREE-Valve’s High Performance Butterfly Valves are double offset structure and can be used for shut-off and throttling control. It is divided into hard to hard sealing or hard to soft sealing with two structures according to sealing surface material of the disc and seat.The butterfly valve can realize rotary under the condition of low torque by the resilient-seated design , which means a longer service life ,so as to cost-effective of choosing actuator. Features 1. The valve seat material i ... read more »

FREE-Valve’s Centric Butterfly Valve adopt center Lined principle to design, It uses the flexibility rubber seat, could easily achieve zero leakage and bi-directional sealing, It also can be used as regulation and shut-off device to deal with corrosive, non-corrosive gases, liquids in pipelines . Features 1.Bi-Directional sealing, throttling Operation and shut-off function. 2.Fully rubber lined body, with lined rubber extending up to the flange contact face,Resilient Seat. 3.The choice o ... read more »

FREE-Valve’s Butt Welded Butterfly Valves are triple offset structure and suitable for high temperature , high pressure , corrosion etc. Its are quarter turn valves which are used for isolating or regulating flow .They are favoured for being lighter in weight, requiring less support and are suitable for water and gas, which makes them useful across industrial, mining and power applications.  Features: 1. Reliable sealing, convenient operation, opening and closing fast. 2. This ki ... read more »

FREE-Valve’s main body of the Vacuum Globe Valve adopts a cast-forging structure, and has a parallel double-sealed pair and a half-forced two-way seal, and the sealing surface in-position movement and the wedge-shaped wedge wedge movement are step-by-step action to realize zero leakage. The friction coefficient between the sealing surfaces is small and the opening and closing are convenient. Moreover, the wear of the sealing surface has an automatic compensation function. Features 1.The prod ... read more »

FREE-Valve’s manual operation Tank Bottom Angle Valves are designed for the convenient and fast discharging the material or samples from the bottom of the reactor,drain or feed vessel .The valve can be welded or installed on the vessel through the flange at the bottom of the valve , tank bottom angle valves are most commonly installed on feeding of vessels or dead space free draining and pipelines. Features 1.This Range of manual control tank bottom angle valve is manufactured in integrated ... read more »

FREE-Valve’s Pneumatic Tank Bottom Angle Valves are designed for the convenient and fast discharging the material or samples from the bottom of the reactor,drain or feed vessel .The valve can be welded or installed on the vessel through the flange at the bottom of the valve , tank bottom angle valves are most commonly installed on feeding of vessels or dead space free draining and pipelines. Features 1.This Range of manual control tank bottom angle valve is manufactured in integrated struct ... read more »

FREE-Valve’s Y Type Slurry Valve is ideal for many applications because the valves are designed for use on abrasion materials. Y Type Slurry Valve is divided into left and right parts with a seat between them. The bolt connecting the two parts can be dissembled to replace the valve seat.The valve with abrasion resistance,high pressure resistance,erosion resistance and anti-scabbing performance.The Y type slurry valve is specially offered for controlling or stopping the slurry, the slurry valv ... read more »