该页无缩略图
Unit: mm
| DN | L | D1 | 工 | n-Od | Quantity (piece/case) | Remark |
| 200 | 275 | 295 | 340 | 12-22 | 1 | |
| 250 | 292 | 355 | 395 | 12-26 | 1 | |
| 300 | 308 | 410 | 445 | 12-26 | 1 | |
| 350 | 328 | 470 | 505 | 16-26 | 1 | |
| 400 | 345 | 525 | 565 | 16-30 | 1 | |
| 450 | 362 | 585 | 615 | 20-30 | 1 | |
| 500 | 380 | 650 | 670 | 20-33 | 1 | |
| 600 | 398 | 770 | 780 | 20-36 | 1 | |
| 700 | 420 | 840 | 968 | 24-36 | 1 | |
| 。 800 | 440 | 950 | 1015 | 24-39 | 1 | |
| 900 | 470 | 1050 | 1115 | 28-39 | 1 | |
| 1000 | 498 | 1170 | 1230 | 28-42 | 1 | |
| 1200 | 530 | 1390 | 1455 | 32-48 | 1 | |
| 1400 | 560 | 1590 | 1675 | 36-48 | 1 | |
| 1600 | 580 | 1820 | 1915 | 40-55 | 1 |
Note: Please note that the product specification or quotation with “"on the page is new.
Method of type designation
1、 Valve type code:
| Valvetype | Code | Valvetype | Code | Valvetype | Code | Valvetype | Code |
| Springload safetyvalve | A | Cut-offvalveand bottomvalve | H | Ballvalve | Q | Pressurereliefvalve | Y |
| Butterflyvalve | D | Cut-offvalve | Steamtrap | S | Gatevalve | Z | |
| Diaphragm valve | G | Throttlevalve | L | Plunger valves | U | ||
| Leversafetyvalve | GA | Blow-downvalve | P | Plugvalve | X |
2、Transmission mode code:
| Transmission mode | Code | Transmission mode | Code | Transmission mode | Code | Transmission mode | Code |
| Electromagneticdrive | Gearworm | 3 | Pneumatic | 6 | Electricdrive | 6 | |
| Electromagnetic- hydraulicdrive | Spur gear | 4 | Hydraulic | 7 | Hand wheel directconnection | Omitted | |
| Electric-hydraulicdrive | 2 | Bevelgear | 5 | Pneumatic- hydraulicdrive | 8 | Connectedwithvalve rod for operation | Omitted |
3、Connection mode code:
| Connection mode | Code | Connection mode | Code | Connection mode | Code | Connection mode | Code |
| Female thread | 1 | Flange type | 4 | Wafertype | 7 | Cutting sleeve | 9 |
| Male thread | 2 | Welding type | 6 | Hoop | 8 |
4、Materialcodeofsealingsurfaceorlining When thematerials of sealingsurface of thesealed auxiliary are different, it isexpressed with materials of low hardness except diaphragmvalves.
| Material | Code | Material | Code | Material | Code | Material | Code |
| Tin-basebearing alloy（babbitalloy) | B | Cr13series stainlesssteel | H | Lining lead | Q | Hard alloy | Y |
| Porcelainenamel | C | Rubber lining | J | Austenitic stainless steel | E | The body | W |
| Carburizing steel | D | Monel alloy | M | Plastic | S | Thediaphragmvalveisexpressed withthecodeofsurfacematerials ofthevalvebody. | |
| Fuoroplastics | F | Nylon plastic | N | Copperalloy | T | ||
| Ceramic | G | Boronized steel | P | Rubber | X | ||
5、Pressure code
| 1. According to the standard of GB/ T 1048,it is indicated with 10 times of Megapascal (MPa) value.For example,it is expressed with 16 for 1.6Mpa |
| 2.When themedium temperature exceeds 425°C,the work pressure code under the maximum work temperature is indicated.If the work pressure is 17Mpa with work temperature5ooC,itisexpressedwithP5o170. |
6、Valve body materials code
| Valvebody material | Code | Valvebody material | Code | Valvebody material | Code | Valvebody material | Code |
| Carbon steel | C | Aluminum alloy | L | Plastic | S | Gray cast iron | Z |
| Cr13series stainlesssteel | H | Chromemolybdenum Oseriessteel | P | Copperandcopperalloy | T | Note: CF3,CF8,CF3M,CF8Mand | |
| Chromemolybdenum series steel | Nodular cast iron | Q | Titanium and titanium alloy | Ti | othermaterial | ||
| Malleablezinc-iron | K | Nickel chromium molybdenumseries stainless steel | R | Chrominm-molybdenum -vanadiumsteel | designationcanbelabeledonthe valvebodydirectly | ||
Note: The valve body material code of gray cast iron valve with nominal pressure≤1.6Mpa is omitted for type designation. The valvebodymaterialcodeof carbon steel valve with nominal pressure =2.5 Mpaisomittedfortypedesignation.
LESSO
GUANGDONGLESSOVALVECOMPANYLIMITED
No.83,Xining Road Doucheng town ,Yunan District, Yunfu city, Guangdong Province. China
Sales Tel: (86) 757 23379211 Fax: (86) 757 23378980 E-mail:oversea@lesso.com Asia-1 : (86) 757-29223015Africa-1 : (86) 757-29226356 Middle East :(86) 757-29226355 Asia-2:(86) 757-29220500Africa-2: (86) 757-23379211 South America:(86)757-29220501
