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Flange

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Spade & Ring Spacer
Spade & Ring Spacer

Spade & Ring Spacer

  • Introduction
Introduction

Spade and Ring Spacers (also known as spectacle blind, figure-8 blind) are used in piping systems to positive shut-off or isolate sections of pipeline during maintenance, pressure testing, or commissioning. They are widely applied in oil & gas, petrochemical, refinery, water treatment and utility projects, especially for Middle East pipeline and oilfield applications.

Our spade & ring spacers are manufactured in strict accordance with ASME B16.48 standard, with full material certification, high precision and reliable performance under high pressure and high temperature conditions.

插板和插环实物图.jpg

Specifications & Models 

1. Standard

ASME B16.48

2. Size Range

1/2" ~ 60" (DN15 ~ DN1500)

3. Pressure Class

  • 150LB (PN20)
  • 300LB (PN50)
  • 600LB (PN100)
  • 900LB (PN150)
  • 1500LB (PN250)
  • 2500LB (PN420)

4. Materials

  • Carbon Steel: A105, A105N
  • Alloy Steel: A182 F11, F22, F91
  • Stainless Steel: A182 F304 / F304L / F316 / F316L

5. Surface Treatment

  • Black painting
  • Anti-rust oil
  • Hot dip galvanized
  • Customized coating

6. Marking

Size, Class, Material, Heat No., Logo as per customer requirement.

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