Gold Member Since 2007
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Zhejiang Guanlong Machinery Valve Co., Ltd.

Air Vent, Vacuum Breaker, Hydraulic Valve manufacturer / supplier in China, offering Single Orifice Air Release Valve (QB1) Flange / Thread End, API Swing Check Valve (H44) Non Return CS Ss Bronze, Temperature Control Valve (TEVX) and so on.

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Supplier Homepage Product Air Release Valve/ Air vent Single Orifice Air Release Valve (QB1) Flange / Thread End

Single Orifice Air Release Valve (QB1) Flange / Thread End

Purchase Qty.:
1-9 10+
FOB Unit Price: US $5 US $4.2
Purchase Qty. (Pieces) FOB Unit Price
1-9 US $5
10+ US $4.2
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Port: Ningbo, China
Production Capacity: 6000PCS / Month
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: QB1
  • Temperature: Ordinary Temperature
  • Pressure: Adjustable
  • Structure: Floating Ball Disc
  • Temperature Applicable: ≤80ºC
  • Trademark: KARFAR
  • Specification: DN15 - DN200
  • Certification: ISO, CE
  • Connection: Flange / Screw End
  • Closed: Semi-Closed
  • Material: Ci, Di, CS, Ss etc
  • Medium Applicable: Water etc
  • Transport Package: Bubble Plastic Paper + Plywood Case
  • Origin: China
Product Description
Single Orifice Air Release Valve 

Single Orifice Air Release Valve (QB1) Flange / Thread End

Δ The KARFAR model QB1 Air vent is a single orifice release valve is a shape of busket. The valve contains a stainless steel ball inside.
Connection end: flange & thread.
Δ QB1 is applied to pipeline of which temperature is bellow 80ºC and functions as a air release device.

1Release capStainless steel
3BonnetCast iron / Ductile iron
4BoltsCarbon steel
6BodyCast iron / Ductile iron etc.
7Float ballStainless steel

SIZE:        DN15 - DN200
Pressure Grade:  PN10 ~PN25 (1.0 ~ 2.5Mpa)

We also manufacture as per your request or drawing.
We welcome your comments and inquiries.
company website:
Tel: 0086-577-67379225

Single Orifice Air Release Valve (QB1) Flange / Thread End
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