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Butterfly valve
- 100000 Set / Sets per Month
- Shanghai Hongkong China base ports
- T/T
Product Details
Standard or Nonstandard: | Standard | Structure: | Butterfly | Pressure: | Low Pressure |
Power: | Manual | Material: | Casting | Temperature of Media: | Normal Temperature |
Media: | Base | Port Size: | DN40~DN1600mm | Place of Origin: | Shanghai, China |
Model Number: | LPB11 | Brand Name: | LAPAR |
Product Description
Specifications
LPB11 Green Butterfly Valve made by italy Lapar valve, Green Butterfly valves, A type Butterfly Valve, LT type Butterfly ValveGreen Butterfly valves, A type Butterfly Valve, LT type Butterfly Valve
LPB11 green butterfly Valve has unique shape, compact structure, high-strength disc using frame structure. It has bidirectional sealing function for installation without the interference of the medium flow direction. The surface is coated with epoxy resin, which could prevent rust effectively, a wide choice of seat material can be used in different medium, such as water, oil…
Design Feature
- Optional multi-pressure stage
- Special design will not cause death card
- Torque and lighter, easy to replace the seat
- Unique shape
- Frame structure
- Coated disc
Parameter
Actuator | Electric, Pneumatic, Handwheel, Handle |
Control | On-off, Modulating, Inteligent |
DN | 40~1200mm |
Pressure | 1.0~2.5Mpa |
Temperature | EPDM: -29~120°C, FPM: -29~150°C EPT: -20~140°C, CR: -29~80°C NBR: -29~80°C, SI: -29~200°C |
Connection | Flange, Wafer |
Structure | A Type, LT Type |
Body Material | SS316L, SS316, SS304, SS304L, WCB, Casting Iron, Ductile Iron |
Disc Material | SS316L, SS316, SS304L, Casting Iron, WCB, B148, Ductile Iron+Nylon 11, CE3MN |
Seat Material | NBR, EPDM, EPT, FPM, CR, SI |
Medium | Water, Liquid |
Option | Limit Switch, Positioner, Solenoid Valve, Pressure-relief Valve |
Design standard:
Valve body is designed to meet ISO 5752.
Upper flange standard:
24” and below, valve mounting flange and stem shall be per ISO 5211.
28” and above, valve mounting flange shall be per ISO5211, stem shall be round keyed.
Flange standard:
LPB11: ASNI 150 B16.5, JIS B2211, GB 9113.1
All wafers have locating holes for ease of installation.
Pressure rating:
Bi-directional bubble-tight shut off to: 16 bar (230PSI) – DN40~DN600mm
10 bar (150PSI) – DN650~DN1200mm
And tested to 110% of full rating: 18 bar (260PSI) – DN40~DN600mm
11 bar (160PSI) – DN650~DN1200mm
Shell testing:
The body strength can stand 150% of full rating: 24 bar (340PSI) – DN40~DN600mm
15 bar (220PSI) – DN650~DN1200mm
Installation instruction:
The valve is designed for using between all types of flat or raised face flange, do not use flange gaskets. For proper installation, the space between flanges must be sufficient to permit valve insertion without disturbing the rubber liner flange seal. Rotate the stem to position the disc within the body, place the valve between flanges and hand-tighten the bolts. Slowly open the valve counter clockwise to check for adequate disc clearance. Rotate the disc to 10% open position and cross tighten all bolts again check for adequate disc clearance.
Stem retaining mechanism:
The stem is retained in the body through a special Q type design when the size is under DN350mm, so the stem can be removed from the body and disc without any special tools. Only when being disassembled, the valve disc can be positioned around 135º.
Others:
According to customer requirements.
Contact Us
- Shanghai Lapar Control Valve Co., Ltd.
- Contact nameSusan Tang
- Phone86-21-64423400,64823610
- AddressNo. 12, Lane 699, Zhangwengmiao Road
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