Circle Valve Technologies Inc.
307 Derstine Ave, Suite 204
Lansdale, PA 19446

Toll Free:800-645-6733
Phone: 267-933-6300
Fax: 267-933-6305
Email: [email protected]
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FR Series Face Seal Fittings

Features

  • Metal-to-metal seal to provide perfect leak-tight service for working conditions from critical vacuum to high pressure
  • Precision manufactured gasket to ensure best performance
  • Test port at nut for easy leak testing
  • Silver-plated female threads
  • Standard surface roughness finished to an average of Ra 10 uin. (0.25 um) or Ra 5 uin. (0.13 um) optional
  • All seal faces and male threads protected with plastic caps
  • Every gland and body marked with size, material and heat code
FR Series Fittings
Unit of Measure
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Item #

Body Type

Body Material

Connection Size 1

Connection Type 1

Connectiont Size 2

Connection Type 2

Operating Pressure

6L-G-FR2-TB2-12S N/A Gland N/A 316L Stainless Steel N/A 1/8 in N/A Face Seal N/A 1/8 in N/A Tube Butt Weld N/A 0 to 8500 psig0 to 590 bar
6L-G-FR4-TB2-12S N/A Gland N/A 316L Stainless Steel N/A 1/4 in N/A Face Seal N/A 1/8 in N/A Tube Butt Weld N/A 0 to 5100 psig0 to 351 bar
6L-G-FR4-TB4-4S N/A Gland N/A 316L Stainless Steel N/A 1/4 in N/A Face Seal N/A 1/4 in N/A Tube Butt Weld N/A 0 to 5100 psig0 to 351 bar
6L-G-FR4-TB4-6S N/A Gland N/A 316L Stainless Steel N/A 1/4 in N/A Face Seal N/A 1/4 in N/A Tube Butt Weld N/A 0 to 5100 psig0 to 351 bar
6L-G-FR4-TB4-12S N/A Gland N/A 316L Stainless Steel N/A 1/4 in N/A Face Seal N/A 1/4 in N/A Tube Butt Weld N/A 0 to 5100 psig0 to 351 bar
6L-G-FR8-TB4-12S N/A Gland N/A 316L Stainless Steel N/A 1/2 in N/A Face Seal N/A 1/4 in N/A Tube Butt Weld N/A 0 to 4300 psig0 to 296 bar
6L-G-FR8-TB6-4S N/A Gland N/A 316L Stainless Steel N/A 1/2 in N/A Face Seal N/A 3/8 in N/A Tube Butt Weld N/A 0 to 3300 psig0 to 227 bar
6L-G-FR8-TB6-12S N/A Gland N/A 316L Stainless Steel N/A 1/2 in N/A Face Seal N/A 3/8 in N/A Tube Butt Weld N/A 0 to 3300 psig0 to 227 bar
6L-G-FR8-TB8-4S N/A Gland N/A 316L Stainless Steel N/A 1/2 in N/A Face Seal N/A 1/2 in N/A Tube Butt Weld N/A 0 to 3500 psig0 to 241 bar
6L-G-FR8-TB8-6S N/A Gland N/A 316L Stainless Steel N/A 1/2 in N/A Face Seal N/A 1/2 in N/A Tube Butt Weld N/A 0 to 3500 psig0 to 241 bar
6L-G-FR8-TB8-12S N/A Gland N/A 316L Stainless Steel N/A 1/2 in N/A Face Seal N/A 1/2 in N/A Tube Butt Weld N/A 0 to 3500 psig0 to 241 bar
6L-G-FR4-MTB6-12S N/A Gland N/A 316L Stainless Steel N/A 1/4 in N/A Face Seal N/A 6 mm N/A Tube Butt Weld N/A 0 to 6800 psig0 to 468 bar
6L-G-FR4-MTB8-12S N/A Gland N/A 316L Stainless Steel N/A 1/4 in N/A Face Seal N/A 8 mm N/A Tube Butt Weld N/A 0 to 4900 psig0 to 337 bar
6L-G-FR8-MTB10-12S N/A Gland N/A 316L Stainless Steel N/A 1/2 in N/A Face Seal N/A 10 mm N/A Tube Butt Weld N/A 0 to 3500 psig0 to 241 bar
6L-G-FR8-MTB12-12S N/A Gland N/A 316L Stainless Steel N/A 1/2 in N/A Face Seal N/A 12 mm N/A Tube Butt Weld N/A 0 to 3100 psig0 to 213 bar
6L-G-FR12-MTB18-12S N/A Gland N/A 316L Stainless Steel N/A 3/8 in N/A Face Seal N/A 18 mm N/A Tube Butt Weld N/A 0 to 3000 psig0 to 206 bar
6L-G-FR2-TB2-12 N/A Gland N/A 316L Stainless Steel N/A 1/8 in N/A Face Seal N/A 1/8 in N/A Tube Butt Weld N/A 0 to 8500 psig0 to 590 bar
6L-G-FR4-TB4-4 N/A Gland N/A 316L Stainless Steel N/A 1/4 in N/A Face Seal N/A 1/4 in N/A Tube Butt Weld N/A 0 to 5100 psig0 to 351 bar
6L-G-FR4-TB4-1.31 N/A Gland N/A 316L Stainless Steel N/A 1/4 in N/A Face Seal N/A 1/4 in N/A Tube Butt Weld N/A 0 to 5100 psig0 to 351 bar
6L-G-FR4-TB4-6 N/A Gland N/A 316L Stainless Steel N/A 1/4 in N/A Face Seal N/A 1/4 in N/A Tube Butt Weld N/A 0 to 5100 psig0 to 351 bar
6L-G-FR4-TB4-12 N/A Gland N/A 316L Stainless Steel N/A 1/4 in N/A Face Seal N/A 1/4 in N/A Tube Butt Weld N/A 0 to 5100 psig0 to 351 bar
6L-G-FR8-TB4-12 N/A Gland N/A 316L Stainless Steel N/A 1/2 in N/A Face Seal N/A 1/4 in N/A Tube Butt Weld N/A 0 to 4300 psig0 to 296 bar
6L-G-FR8-TB6-4 N/A Gland N/A 316L Stainless Steel N/A 1/2 in N/A Face Seal N/A 3/8 in N/A Tube Butt Weld N/A 0 to 3300 psig0 to 227 bar
6L-G-FR8-TB6-12 N/A Gland N/A 316L Stainless Steel N/A 1/2 in N/A Face Seal N/A 3/8 in N/A Tube Butt Weld N/A 0 to 3300 psig0 to 227 bar
6L-G-FR8-TB8-4 N/A Gland N/A 316L Stainless Steel N/A 1/2 in N/A Face Seal N/A 1/2 in N/A Tube Butt Weld N/A 0 to 3500 psig0 to 241 bar
Unit of Measure
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