By-pass assembly has two positions; by-pass and close. It is in by-pass position during trip operation, and circulates mud fluid in the drill string into the annular space by-passing the idle motor, so that no mud may spray out onto the platform during the trip operation. When mud flow rate and pressure reach the setting value, the valve stem moves down and closes the valve. Meanwhile, mud stream flows through the motor, and converts the pressure energy into mechanical energy. As mud flow rate is too low, or mud pump stops, and as the pressure produced is not enough to overcome the spring force and the static friction force, the spring presses the stem upward, and by-pass is in open position. In general, the cross-over subs are used in deep well, large angle well, horizontal well or when hollow rotor is selected.
By-Pass Assembly And Parts,By-Pass Valve Assembly,Automatic Bypass Valve,Pressure Bypass Valve Weifang Shengde Petroleum Machinery Manufacturing Co., Ltd. , http://www.sdpetromachine.com
2017 Argus Hot Sale Product
30W Fiber Laser Marking Machine SFM20
Equipment Performance of Fiber Laser Marking Machine SFM20:
The machine adopts fiber laser source and speedy galvo scanning system. High quality of laser beam, long service time and stable equipment performance exempts maintenance. The marking is non-touched process, permanent effect, humanized operation and stable running. 24-hour non-stop running makes it meet the demand of massive on-line and off-line industrialized production. AutoCAD, CorelDRAW, Photoshop compatible, PLT, PCX, DXF, BMP, JPE etc supportive.
Applicable fields of Fiber Laser Marking Machine SFM20:
Electronics component, the communication, the spare parts of automobiles and motorcycles, hardware and machinery, instrument and meter, aerospace, war product,food and beverage etc.
Applicable Materials of Fiber Laser Marking Machine SFM20:
Stainless,Silver,Gold,Bamboo,Paper,Plastic,Mood,Glass,PVC,and so on.
Sample Show
 
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1) According to customers demands, provide relevant technical guidance.
2) Assist customers to design and make laser engraving/cutting solutions considering technical feasibility.
3) Provide equipment demonstration for customers to investigate, make samples and do test, etc.
After-sale service:
1)Â 1 year warranty for laser metal cutting machine;
2) Offer lifelong repair;Â
3) Engineers available to service machinery overseas.
4) Multi language service;
5) Offer 24 -Â hour technical support.Â
Training can be processed in the following ways:
1) Workers of customers can come to our factory in Wuhan, China to get the most professional hand-by-hand training.
2) We can send engineers to customers' country and do training for workers in customers' target factory. However, tickets and daily consumption like food and accommodation should be afforded by customers.
3) Remote training through Internet tools like Team-viewer, Skype and other instant communication software.
Guarantee:
We offer free Two-year warranty and durable maintenance&repair support for the purchased machines. Within the warranty time, we are responsible for the cost-free repair once the equipment fail or the machines break down(except human factor and force majeure causes) and we shall offer the replacement parts for free(except consumed parts). During the non-warranty time, we just charge the flat cost based on actual cost of repair.
 
Our Laser equipment are widely used in solar PV production, IC elements production, leathering and clothing industry, advertising signs, decoration crafts, equipment spare parts, daily hardware, measurement tools, medical instruments, printing and packing industry, etc. Sunic Laser would like to be customer's technical consultant and support in Laser and solar equipment to make further development and progress together.
A: We are factory. And we have been in the laser field for 20 years.
Q: How long is your delivery time?
A: Generally, it will take 3Â to 10 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q: Do you provide samples? Is it free or extra ?
A: Yes, we could offer the sample for free charge, but customers should pay the courier cost.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipment.
Please feel free to contact me if you have any questions or inquiries.
Contact:Â Â Â Â Â Bruce
Company:Â Â Â Wuhan Sunic Photoelectricity Equipment Manufature Co., Ltd
Add:Â Â Â Â Â Â Â Â Â Â Â Â 4# Huanglong shan North Road, East Lake High-Tech District, Wuhan City, China
Web:Â Â Â Â Â Â Â Â Â Â Â www.arguslaser.net
 Â
Mobile:Â Â Â Â Â Â Â 0086-15671685305
2017 Argus Hot Sale Product
30W Fiber Laser Marking Machine SFM20
Equipment Performance of Fiber Laser Marking Machine SFM20:
The machine adopts fiber laser source and speedy galvo scanning system. High quality of laser beam, long service time and stable equipment performance exempts maintenance. The marking is non-touched process, permanent effect, humanized operation and stable running. 24-hour non-stop running makes it meet the demand of massive on-line and off-line industrialized production. AutoCAD, CorelDRAW, Photoshop compatible, PLT, PCX, DXF, BMP, JPE etc supportive.
Applicable fields of Fiber Laser Marking Machine SFM20:
Electronics component, the communication, the spare parts of automobiles and motorcycles, hardware and machinery, instrument and meter, aerospace, war product,food and beverage etc.
Applicable Materials of Fiber Laser Marking Machine SFM20:
Stainless,Silver,Gold,Bamboo,Paper,Plastic,Mood,Glass,PVC,and so on.
Sample Show
Â
Â
1) According to customers demands, provide relevant technical guidance.
2) Assist customers to design and make laser engraving/cutting solutions considering technical feasibility.
3) Provide equipment demonstration for customers to investigate, make samples and do test, etc.
After-sale service:
1)Â 1 year warranty for laser metal cutting machine;
2) Offer lifelong repair;Â
3) Engineers available to service machinery overseas.
4) Multi language service;
5) Offer 24 -Â hour technical support.Â
Training can be processed in the following ways:
1) Workers of customers can come to our factory in Wuhan, China to get the most professional hand-by-hand training.
2) We can send engineers to customers' country and do training for workers in customers' target factory. However, tickets and daily consumption like food and accommodation should be afforded by customers.
3) Remote training through Internet tools like Team-viewer, Skype and other instant communication software.
Guarantee:
We offer free Two-year warranty and durable maintenance&repair support for the purchased machines. Within the warranty time, we are responsible for the cost-free repair once the equipment fail or the machines break down(except human factor and force majeure causes) and we shall offer the replacement parts for free(except consumed parts). During the non-warranty time, we just charge the flat cost based on actual cost of repair.
Â
Our Laser equipment are widely used in solar PV production, IC elements production, leathering and clothing industry, advertising signs, decoration crafts, equipment spare parts, daily hardware, measurement tools, medical instruments, printing and packing industry, etc. Sunic Laser would like to be customer's technical consultant and support in Laser and solar equipment to make further development and progress together.
A: We are factory. And we have been in the laser field for 20 years.
Q: How long is your delivery time?
A: Generally, it will take 3Â to 10 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q: Do you provide samples? Is it free or extra ?
A: Yes, we could offer the sample for free charge, but customers should pay the courier cost.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipment.
Please feel free to contact me if you have any questions or inquiries.
Contact:Â Â Â Â Â Bruce
Company:Â Â Â Wuhan Sunic Photoelectricity Equipment Manufature Co., Ltd
Add:Â Â Â Â Â Â Â Â Â Â Â Â 4# Huanglong shan North Road, East Lake High-Tech District, Wuhan City, China
Web:Â Â Â Â Â Â Â Â Â Â Â www.arguslaser.net
 Â
Mobile:Â Â Â Â Â Â Â 0086-15671685305
Optical Switch Laser Marking Engraving Machine Manufacturer
Model NO.: SFM20
Type: Optical Fiber Laser Marking Machine
Marking Method: Scanning Marking
Model: Argus Sfm20
Laser Source: Raycus Fiber Laser Source
Wavelength: 1064nm
Working Area: 110*110mm/175*175mm
Indicating Beam: Red Light
Laser Head: Sunny Scanners
Power Supply: 220V/50Hz/1.5kVA (Customizable)
Laser Accuracy: 0.025mm
Working Life: 100000hours
Focus Facula Diameter: 20 μm
Trademark: Argus
Transport Package: Wood Carton
Specification: 1025X705X1545mm
Origin: China
Model NO.: SFM20
Type: Optical Fiber Laser Marking Machine
Marking Method: Scanning Marking
Model: Argus Sfm20
Laser Source: Raycus Fiber Laser Source
Wavelength: 1064nm
Working Area: 110*110mm/175*175mm
Indicating Beam: Red Light
Laser Head: Sunny Scanners
Power Supply: 220V/50Hz/1.5kVA (Customizable)
Laser Accuracy: 0.025mm
Working Life: 100000hours
Focus Facula Diameter: 20 μm
Trademark: Argus
Transport Package: Wood Carton
Specification: 1025X705X1545mm
Origin: China
20 Years' Experience for Laser Equipment
Â
Technical Parameters
Our Certifications
Warranty &Â Service
Â
Pre-sale service:
Packing &Â Delivery
Â
Our Company
Wuhan Sunic Photoelectricity Equipment Manufacture Co.,Ltd (Sunic Laser) has been dedicated to the manufacturing of Laser equipment since 1998. We are specialized in designing, manufacturing as well as providing services for Laser processing machines and whole equipment for Solar PV production line. We offer complete solutions with Laser application for customers all over the world.
FAQ
Â
Q: Are you trading company or manufacturer ?
20 Years' Experience for Laser Equipment
Â
Technical Parameters
Our Certifications
Warranty &Â Service
Â
Pre-sale service:
Packing &Â Delivery
Â
Our Company
Wuhan Sunic Photoelectricity Equipment Manufacture Co.,Ltd (Sunic Laser) has been dedicated to the manufacturing of Laser equipment since 1998. We are specialized in designing, manufacturing as well as providing services for Laser processing machines and whole equipment for Solar PV production line. We offer complete solutions with Laser application for customers all over the world.
FAQ
Â
Q: Are you trading company or manufacturer ?