DN15 DN20 DN25 Q61f-150lb Russian Standard Ball Valve Atmospheric Valve Blow-Down Valve Flange

Product Details
Customization: Available
Media: Oil
Material: Carbon Steel
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  • DN15 DN20 DN25 Q61f-150lb Russian Standard Ball Valve Atmospheric Valve Blow-Down Valve Flange
  • DN15 DN20 DN25 Q61f-150lb Russian Standard Ball Valve Atmospheric Valve Blow-Down Valve Flange
  • DN15 DN20 DN25 Q61f-150lb Russian Standard Ball Valve Atmospheric Valve Blow-Down Valve Flange
  • DN15 DN20 DN25 Q61f-150lb Russian Standard Ball Valve Atmospheric Valve Blow-Down Valve Flange
  • DN15 DN20 DN25 Q61f-150lb Russian Standard Ball Valve Atmospheric Valve Blow-Down Valve Flange
  • DN15 DN20 DN25 Q61f-150lb Russian Standard Ball Valve Atmospheric Valve Blow-Down Valve Flange
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  • Overview
  • Specification
  • After Sales Service
  • FAQ
Overview

Basic Info.

Model NO.
DN40-DN600
Connection Form
Flange
Driving Mode
Manual
Nominal Pressure
PN1.0-32.0MPa
Channel
Straight Through Type
Structure
Fixed Ball Valve
Type
Fixed Ball Valve
Function
Blow-Down Valve, Relief Valve, Atmospheric Valve
Temperature
Normal Temperature
Standard
Q61f-150lb
Application
Industrial Usage, Water Industrial Usage, Household Usage
Transport Package
Carton Box+Plywood Case
Specification
DN50-DN600
Trademark
YAOFA
Origin
China
HS Code
8481804090
Production Capacity
50000piece /Year

Product Description

factory profile 

DN15 DN20 DN25 Q61f-150lb Russian Standard Ball Valve Atmospheric Valve Blow-Down Valve Flange
Specification
Pressure Rating
Typically ranges from 1.6 to 6.4 MPa. Common ratings include PN1.6, PN2.5, and PN4.0 MPa.
Temperature Range
General operating temperature: -29°C to 200°C. Some special models can work within -60°C to 200°C.
Nominal Diameter (DN)
Common specifications: DN15, DN20, DN25, DN40, DN65, DN80, DN100, etc. Larger sizes can reach DN300 and above, selected according to actual needs.
Materials
Body: Generally made of carbon steel, such as ST37.0, A106 - B, 20# steel, etc.
Ball: Mostly stainless steel, such as 304 or 316 stainless steel.
Stem: Usually made of 2Cr13 chrome stainless steel or similar materials.
Seals:Ball seal: Commonly uses reinforced PTFE materials like RTFE (PTFE + C).
Stem seal: Can use perfluoroelastomer (FFKM), etc.
Connection Type
Mainly welded connection, including butt welding
DN15 DN20 DN25 Q61f-150lb Russian Standard Ball Valve Atmospheric Valve Blow-Down Valve Flange
DN15 DN20 DN25 Q61f-150lb Russian Standard Ball Valve Atmospheric Valve Blow-Down Valve Flange
DN15 DN20 DN25 Q61f-150lb Russian Standard Ball Valve Atmospheric Valve Blow-Down Valve Flange
DN15 DN20 DN25 Q61f-150lb Russian Standard Ball Valve Atmospheric Valve Blow-Down Valve Flange
After Sales Service
Standard Warranty: 12 months or 2,000 operating hours (whichever comes first).
Global Support: 24/7 technical assistance and spare parts supply.
Training: On-site or remote operation/maintenance training.
FAQ
Q: What’s the lead time for orders?
A: Standard models ship in 15–30 days; customized units require 30–45 days.
Q: Do you provide after-sales service overseas?
A: Yes, we have partnered service centers in key regions.
Q: Can I request a customized bucket size?
A: Absolutely! We offer tailored attachments.
Q: What documents do you provide for export?
A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).
Q: How do I place an order?
A: Contact us via email/phone for a quote, then confirm with a PO.

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