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Zhejiang Guanlong Machinery Valve Co., Ltd.

Offset Ball Valve, Offset Half Ball Valve, Industrial Valve manufacturer / supplier in China, offering Eccentric Half Ball Valve (EQ347), Wafer Insert Vertical Elevated Lift Type Non Return Check Valve (H72H), Wafer Silent One Way Non Salm Non Return Check Valve and so on.

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Supplier Homepage Product Ball valve Eccentric Half Ball Valve (EQ347)

Eccentric Half Ball Valve (EQ347)

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Ningbo, China
Transport Package: Bubble Plastic Paper + Plywood Case
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: EQ347
  • Connection Form: Flange
  • Nominal Pressure: Pn6 ~ Pn40
  • Structure: Fixed Ball Valve
  • Function: Flow Regulating
  • Application: Industrial Usage, Water Industrial Usage
  • Trademark: KARFAR
  • Origin: China
  • Material: Ci, Di, CS, Ss etc
  • Driving Mode: Manual,Worm Gear,Pneumatic, Electric-Motorized
  • Channel: Straight Through Type
  • Type: Eccentric Half Ball
  • Temperature: High Temperature
  • Temperature Applicable: 29 ~540ºC
  • Specification: DN40 ~ DN600
Product Description
Eccentric half ball is a relatively new type of ball category, it has its own unique structure of some advantages, such as switches without friction, sealing easy to wear, opening and closing small torque. Such actuators can be reduced with the specifications. With multi-turn electric actuators, can be realized on media regulation and tight cut. Widely used in petroleum, chemical, water supply and drainage and other cities demanding cutting conditions.
Eccentric Half Ball Valve (EQ347)

Eccentric half ball structural characteristics and uses:
Good sealing performance: the end of a spring metal seat sealing surface to ensure adequate pre-jacking force, in the course of the valve sealing surface wear in the valve spring to ensure good sealing performance; And when high media pressure, unbalanced force generated media sphere guarantee seal.
Bottoms type using stem, set back seal structure ensures a reliable seal packing department.
Top-mounted design: Just remove the valve cover to repair or replace parts.
Widely used in dust, particles, high viscosity medium.

Eccentric half ball Standard:
Design:GB12237-89
Flanged:GB/T17241.6998,GB/T9115(Steel)
Length of the structure:GB12221-89

Eccentric half ball and working conditions of parts and materials:
NameMaterial
BodyQT450,WCB,ZG20CrMo,ZG1Cr18Ni9Ti
Valve shaft2Cr13,1Cr13
ValveNitriding alloy steel, nitriding steel, wear-resistant steel
SeatNitriding alloy steel, nitriding steel, wear-resistant steel
BearingAluminum bronze, FZ-1 composites
PackingPTFE, flexible graphite

Main parts and materials eccentric half ball:
NameMaterial
BodyQT450,WCB,ZG20CrMo,ZG1Cr18Ni9Ti
Valve shaft2Cr13,1Cr13
ValveNitriding alloy steel, nitriding steel, wear-resistant steel
SeatNitriding alloy steel, nitriding steel, wear-resistant steel
BearingAluminum bronze, FZ composite materials
PackingPTFE, flexible graphite

Eccentric half ball performance parameters:
ominal(Mpa)0.61.01.62.54.0
Nominal by(mm)40-60040-60040-60040-60040-600
Sealing test pressure(Mpa)0.661.11.762.754.4
Shell test pressure(Mpa)0.91.52.43.756.0
Temperature(ºC)-29~300,-29~425,-29~540
For mediaWater, sea water, sewage, acid and other liquids, slurries, steam, gas, oil
Drive modeManual, electric, pneumatic
ConnectionFlanged, wafer connection
InstallationVertical installation, horizontal installation

Eccentric Half Ball Valve (EQ347)
 
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