British Standard Heavy Type Backnut with FM UL Certifications

Product Details
Customization: Available
After-sales Service: Yes
Connection: Thread
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  • British Standard Heavy Type Backnut with FM UL Certifications
  • British Standard Heavy Type Backnut with FM UL Certifications
  • British Standard Heavy Type Backnut with FM UL Certifications
  • British Standard Heavy Type Backnut with FM UL Certifications
  • British Standard Heavy Type Backnut with FM UL Certifications
  • British Standard Heavy Type Backnut with FM UL Certifications
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  • Overview
  • Product Description
  • Features
  • PRODUCTS DETAILS
  • DRAWING
  • FM & UL
Overview

Basic Info.

Model NO.
backnut
Head Code
Round
Thread Distribution
Internal Thread
Material
Iron
Technics
Casting
Application
Water Pipe
Customized
Non-Customized
Certification
CQC, CCC, PSE, TUV, VDE
Warranty
3 Years
Threaded
BSPT and NPT
Material Standard
Malleable Iron to ASTM a-197,ASTM A47
Working Pressure
363psi
Delivery Time
Thirty Days
Zinc Coating
70um
Transport Package
Customized
Specification
1/2′′ to 4′′
Trademark
JIANZHI
Origin
Hebei
HS Code
730719
Production Capacity
400000 Tons Per Year

Packaging & Delivery

Package Size
48.50cm * 32.00cm * 19.00cm
Package Gross Weight
1.500kg

Product Description


 
 
Product Description
 
Features

Code:310
Size: 1/2''-4''
Material: BS EN 1562,EN-GJMB-350-10,KTH350-10
Dimension: BS EN 10242
Thread: ISO 7-1,BS 21,BSPT
Pressure Rating: PN16/PN25
Surface Treatment:Hot-dip Galvanized,Electro Galvanized,Black
Certificate: UL Listed / FM Approved / NSF 61
Application: Fire Protection,Waterworks,HVAC,Plumbing,GAS,Irrigation,or other piping systems 





 

PRODUCTS DETAILS

Malleable Iron 310 Backnut. Malleable iron Backnut is a common metal product made of cast iron, also known as malleable nut or hexagonal nut. Its main characteristics are high strength, good toughness, strong tensile strength, can withstand large impact forces, and is not easy to break. In addition, Malleable iron backnut also has good corrosion resistance and can be used in a variety of environments for a long time.

British Standard Heavy Type Backnut with FM UL Certifications
DRAWING
  British Standard Heavy Type Backnut with FM UL Certifications
Size A(mm) S(mm) PCS/CTN.
1/2" 9 29 700
3/4" 10 36 500
1" 11 45 400
1-1/4" 11 56 300
1-1/2" 12 63 240
2" 13 77 160
2-1/2" 15 93 60
3" 18 109 50
4" 21 137 40
We do toughness test to compare our fittings with other brand's fittings. Our pipe fittings has better toughness, if you are interested, we can send you test video for your reference.Our pipe fittings threads are higher accuracy than other brand fittings. Our pipe fittings threads strictly compliance with EU standards at numbers of thread, according EN10242, for 1" nipple, the length thread is at least 14.5mm, the numbers of thread is at least 6.3, our pipe fittings fully comply EU standards, but other brand fitting has short length, and numbers aren't enough either. 
Axes angle, turns of external thread and turns of internal thread are also higher 20% than EU standards.The axes of the screw thread is accurate to within ±0.5° of the specified angle according to ISO7-1,the axes of the screw thread accuracy of our fittings is ±0.3°,higher 40% than ISO7-1.


British Standard Heavy Type Backnut with FM UL Certifications
FM & UL

The black and galvanized fittings we produced are both UL (Underwriters Laboratories) and FM (Factory Mutual Insurance Company) approved. FM/UL has an independent testing facility where products are tested to make sure they meet the highest level of standards for safety and property loss prevention. No matter EN standard or ASME, as long as the product can pass the strict test in the laboratory, it can obtain FM/UL certificate.
 


British Standard Heavy Type Backnut with FM UL CertificationsBritish Standard Heavy Type Backnut with FM UL Certifications

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