Pneumatic O-type Cut-off Ball Valve

• 

Pneumatic O-type cut-off ball valve has the characteristics of high transmission efficiency, high th…

A brief introduction:
ZSHO series O type pneumatic shut-off valve The ball core with O type hole, fixed ball valve seat with elastic compensation before the valve seal, double protection cover type packing device, protect the stem not emerge under pressure, the valve chamber can automatic pressure relief valve cavity, prevent to produce abnormal high pressure, can set the anti-static fireproof structure, valve flow coefficient large, small flow resistance, rapid opening and closing angle travel. "O" type shut-off valve by cylinder piston pneumatic or electric motor actuators, cut off the "O" type spherical surface ball valve using a special process of hardening, the surface smooth, wear-resistant, carbon fiber material and seat sealing material is made of high temperature resistant and abrasion resistant products, compact and reasonable structure, the series cut off valve with pneumatic piston type "O" and "O" electric cut off valve type shut-off valve two; the series nominal pressure rating PN (Mpa) 1.6, 4, 6.4; the valve nominal diameter range of DN (mm) 15~300; leakage standard with grade IV, VI; spool angle 90 c,
Two, widely used:
ZSHO series O type pneumatic shut-off valve Is a rotary type shut-off valve for pneumatic or electric unit combination instrument in the execution unit, and the general electromagnetic valve element combination. Seal forms a soft seal and seal two, respectively, at -40 DEG ~180 DEG and ~450 DEG C under the condition of -60. O type pneumatic shut-off valve of high transmission efficiency, large thrust, good sealing performance, the characteristics of large flow coefficient, good interchangeability of parts etc.. Series of products are widely used in petroleum, chemical, pharmaceutical, metallurgy, textile, papermaking, wastewater treatment and other production departments of the gas and liquid pipelines in the medium to cut off or open, meet the requirements of working conditions.
Three, O type pneumatic shut-off valve The main features:
1, the fluid resistance is small, the valve is fluid resistance all valves in a minimal, even reduced diameter valve, the fluid resistance is quite small.
2, the stem thrust bearing reduces friction torque, can stem the long-term stable and flexible operation.
3, the valve seat sealing performance, sealing ring made of elastic material such as PTFE, the structure easy to seal, and the valve seal ball valve capacity increasing with the increase of medium pressure.
4, the valve stem seal is reliable, because the stem only for imitation rotation transported without movement, stem packing seal is not easy to damage, and sealing ability increased with the increase of the pressure medium.
5, the PTFE and other materials with good self lubrication, the friction loss with the ball, so the ball's long life.
6, downloading the stem and the stem head convex order to prevent the stem spray, such as stem seal damage caused by fire, convex order and the body can be formed between the metal contact, to ensure that the valve stem seals.
7, anti-static function: spring is set in between the sphere and valve body, can be derived from electrostatic switch.
Fourth, the main parts of commonly used materials:
1, ZG230-450, ZG1CR18NI9TI body;
2, sphere: ZG1CR18NI9TI;
Seat: 1CR18NI9TI, 3;
4: 1CR18NI9TI, 3CR13, stem;
5 and sleeve: 2CR13;
6, seal: PTFE, 1CR18NI9TI, 1CR18NI9TI welding division titanium Levin alloy;
7, gasket, asbestos rubber plate: 1CR18NI9TI, asbestos gasket;
8, packing: PTFE: flexible graphite;
9, the guide sleeve: QAL9-4,0CR18NI9, composite materials;
10, accessories series: positioners, air filter regulator, valve position transmitter, limit switch, hand wheel, electric actuator.
Five, O type pneumatic actuator valve cut off:
Using the new GT series of pneumatic actuators, a double acting and single acting (spring), gear rack drive, safe and reliable; AW series of large diameter valves using pneumatic actuator fork transmission, reasonable structure, large output torque, a double acting and single acting.
1, dual piston gear, large output torque, small volume.
2, use aluminum alloy cylinder material, light weight, beautiful appearance.
3, manual operation mechanism is installed on the top and bottom.
4, rack adjustable opening angle of connection, the rated flow.
5, the execution of instructions and all kinds of accessories for automatic operation of optional electric signal feedback device.
6, the IS05211 standard connection for the installation of the product provides a convenient replacement.
Section 7, both ends of the screw can make the standard product at 0 DEG and 90 DEG with the adjustable range of plus or minus 4 degrees. To ensure the accuracy of the synchronization with the valve.
Attachment options:
1, cut off the accessories: single solenoid valve, solenoid valve, limit switch back to the hearing.
2, regulated accessories: Electrical positioner, pneumatic positioner, electrical converter.
3, air handling accessories: air filter relief pressure valve, air frl.
4, manual mechanism: manual operating mechanism
Six, the implementation of standards:
1, design and manufacture: GB12237-89, API608, API 6D, JPI 7S-48, BS5351, DIN3357.
2 flange size: JB/T74 ~ 90 (JB74 ~ 90), GB9112 ~ 9131, HGJ44 ~ 76, SH3406, ANSI B16.5, JIS B2212, NF E29-211, DIN2543 ~ 2214.
3, the length of the structure: GB12221-89, B16.10, ANSI JIS B2002, NF E29-305, DIN3202.
4, the main test test: JB/T 9092, API 598.
Seventh, performance specification:

Eight, pressure test:

Nine, dimension table:

10, please fill in the "specification" or indicate the following:
1, the product model;
2, nominal diameter;
3, nominal pressure;
4, the valve body and valve component materials;
5, medium temperature;
6, double or single action (please indicate the single acting gas open or closed gas);
7, with the attachment (standard accessories: solenoid valve, limit switch, air filter regulator, etc.);
8, special requirements.
Eleven, customer service service commitment:
1, my company sold Zhongwei ball valve products quality problems within twelve months, responsible for free maintenance.
2, the warranty period if the products of our company have any quality problems, our company is responsible for free repair or replacement.
3, the warranty period if the user use undeserved, cause damage to the product, our company is responsible for the maintenance, collect the damaged parts cost.
4, after the warranty period of product quality problems, our company is responsible for the maintenance, collect the damaged parts cost.
5, if the user needs to our service, our company in the province of the user service personnel arrived at the scene within 12 hours, arrived at the scene 48 hours outside users.