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Gate Valves
Posted at: Offers to Sell and Export | Posted on: Thursday 10 March 2011 7:43 am | Poster last visit: Thursday 10 March 2011 |
Product Description:
General Information about Valves
Quality Standard for Valves
High quality Valves all made and controlled
to the relevent standards such as: ASME, ASTM, BS and DIN/WERKSTOFFE.
Sizes for Valves
All Valves are available available in sizes from 3/8” through to any size.
Material Grades for Valves
All Valves are available in the following material grades:
For a full list of material grades and engineering data for Valves please download the PDF by clicking here.
Astm a105
F5 - a182 f5 5cr - mo
F9 - a182 f9 9cr - mo
F11 - a182 f11 1 - cr - mo
F22 - a182 f22 2 - cr - mo
Lf2 - a350 lf2
304 - a182 f304 ss+f304l
316 - a182 f316 ss+f316l
Alloy 20 - B462-NO8020
321 - a182 f321
347 - a182 f347
304 - a744 gr cf8
304l - a744 gr cf3
316 - a744 gr cf8m
316l - a744 gr cf3m
Alloy 20 - A744 GR CN7M
Monel - A494 GR M35-1
Hastelloy B - A494 GR N12MV
Hastelloy C - A494 GR CW12MW
Iconel - A494 GR CY40
Incoloy - 800H-A494-CT15C
Nickel - A494 GR CZ100
317 - a744 gr cg8m
247 - a744 gr cf8c
Zicronium
Titanium - B367-69 GR C3
Duplex - A744 CD4MCU
Astm a216-wcb
Astm a217-wc6
Astm 217-wc9
Astm a217-c5
Astm a352-c12
Astm a352-lcb
Astm a352-lcc
Bronze
Iron
A Gate Valve, also known as a Sluice Valve, is a Valve that opens by lifting a round or rectangular gate/wedge out of the path of the fluid. The distinct feature of a Gate Valve is the sealing surfaces between the gate and seats are planar.
The gate faces can form a wedge shape or they can be parallel. Typical Gate Valves should never be used for regulating flow, unless they are specifically designed for that purpose. On opening the Gate Valve, the flow path is enlarged in a highly nonlinear manner with respect to percent of opening. This means that flow rate does not change evenly with stem travel. Also, a partially open gate disk tends to vibrate from the fluid flow.
Most of the flow change occurs near shutoff with a relatively high fluid velocity causing disk and seat wear and eventual leakage if used to regulate flow. Typical Gate Valves are designed to be fully opened or closed. When fully open, the typical Gate Valve has no obstruction in the flow path, resulting in very low friction loss.
Company Contact:
Contact Name: Scott
Company Name: C&N Pipeline Limited
Email:
Tel: 86-21-31267504
Fax: 86-21-31267504
Street Address: 736, Jingang Rd, 333
Road Pudong District Shanghai China
201206
Member name: cnpipefittings
Country:
China
Member Since: 10 March 2011
Total Leads: 35 cnpipefittings Import Export Business Leads
Business focus: Steel Pipe, Pipe Fittings, Flanges, Valves
Chat:
Verify: Safe Import Export Tips
Quality Standard for Valves
High quality Valves all made and controlled
to the relevent standards such as: ASME, ASTM, BS and DIN/WERKSTOFFE.
Sizes for Valves
All Valves are available available in sizes from 3/8” through to any size.
Material Grades for Valves
All Valves are available in the following material grades:
For a full list of material grades and engineering data for Valves please download the PDF by clicking here.
Astm a105
F5 - a182 f5 5cr - mo
F9 - a182 f9 9cr - mo
F11 - a182 f11 1 - cr - mo
F22 - a182 f22 2 - cr - mo
Lf2 - a350 lf2
304 - a182 f304 ss+f304l
316 - a182 f316 ss+f316l
Alloy 20 - B462-NO8020
321 - a182 f321
347 - a182 f347
304 - a744 gr cf8
304l - a744 gr cf3
316 - a744 gr cf8m
316l - a744 gr cf3m
Alloy 20 - A744 GR CN7M
Monel - A494 GR M35-1
Hastelloy B - A494 GR N12MV
Hastelloy C - A494 GR CW12MW
Iconel - A494 GR CY40
Incoloy - 800H-A494-CT15C
Nickel - A494 GR CZ100
317 - a744 gr cg8m
247 - a744 gr cf8c
Zicronium
Titanium - B367-69 GR C3
Duplex - A744 CD4MCU
Astm a216-wcb
Astm a217-wc6
Astm 217-wc9
Astm a217-c5
Astm a352-c12
Astm a352-lcb
Astm a352-lcc
Bronze
Iron
A Gate Valve, also known as a Sluice Valve, is a Valve that opens by lifting a round or rectangular gate/wedge out of the path of the fluid. The distinct feature of a Gate Valve is the sealing surfaces between the gate and seats are planar.
The gate faces can form a wedge shape or they can be parallel. Typical Gate Valves should never be used for regulating flow, unless they are specifically designed for that purpose. On opening the Gate Valve, the flow path is enlarged in a highly nonlinear manner with respect to percent of opening. This means that flow rate does not change evenly with stem travel. Also, a partially open gate disk tends to vibrate from the fluid flow.
Most of the flow change occurs near shutoff with a relatively high fluid velocity causing disk and seat wear and eventual leakage if used to regulate flow. Typical Gate Valves are designed to be fully opened or closed. When fully open, the typical Gate Valve has no obstruction in the flow path, resulting in very low friction loss.
Company Contact:
Contact Name: Scott
Company Name: C&N Pipeline Limited
Email:
Tel: 86-21-31267504
Fax: 86-21-31267504
Street Address: 736, Jingang Rd, 333
Road Pudong District Shanghai China
201206
Member name: cnpipefittings
Country:
ChinaMember Since: 10 March 2011
Total Leads: 35 cnpipefittings Import Export Business Leads
Business focus: Steel Pipe, Pipe Fittings, Flanges, Valves
Chat:
Verify: Safe Import Export Tips
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