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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Features & Benefits
  • Leak tight sealing
    Achieved through multiple o-ring seals located in couplers.
  • Poppet valves with integral o-ring seals
    Standard in coupler and plug in double-end-shutoff applications. In single-end-shutoff applications valve is in body half.
  • Smooth positive sleeve engagement
    Locking mechanisms in bodies provide smooth positive sleeve engagement, no twisting or turning required.
  • Optional Keyed sleeves for all sizes
    Will only fit mating keyed components, preventing accidental mixing of fluid or pressure lines.
Quick Coupling Non-Valved Plug (SESO)
Unit of Measure
1 2 

Item #

Body Material

Seal Material

Connection Size

Connection

Operating Pressure

Operating Temperature

Flow Coefficient (Cv)

HQC4-S-2-316 N/A 316 Stainless Steel N/A Viton®
N/A 1/8 in N/A Tube N/A 0 to 3600 psig N/A 20 to 400 ºF N/A .45
HQC4-S-4-316 N/A 316 Stainless Steel N/A Viton®
N/A 1/4 in N/A Tube N/A 0 to 3600 psig N/A 20 to 400 ºF N/A .45
HQC4-S-6M0-316 N/A 316 Stainless Steel N/A Viton®
N/A N/A Tube N/A 0 to 3600 psig N/A 20 to 400 ºF N/A .45
HQC4-S-2M-316 N/A 316 Stainless Steel N/A Viton®
N/A 1/8 in N/A Male NPT N/A 0 to 3600 psig N/A 20 to 400 ºF N/A .45
HQC4-S-4M-316 N/A 316 Stainless Steel N/A Viton®
N/A 1/4 in N/A Male NPT N/A 0 to 3600 psig N/A 20 to 400 ºF N/A .45
HQC4-S-4MT-316 N/A 316 Stainless Steel N/A Viton®
N/A 1/4 in N/A Male BSPT N/A 0 to 3600 psig N/A 20 to 400 ºF N/A .45
HQC4-S-2F-316 N/A 316 Stainless Steel N/A Viton®
N/A 1/8 in N/A Female NPT N/A 0 to 3600 psig N/A 20 to 400 ºF N/A .45
HQC4-S-4F-316 N/A 316 Stainless Steel N/A Viton®
N/A 1/4 in N/A Female NPT N/A 0 to 3600 psig N/A 20 to 400 ºF N/A .45
HQC4-S-4FT-316 N/A 316 Stainless Steel N/A Viton®
N/A 1/4 in N/A Female BSPT N/A 0 to 3600 psig N/A 20 to 400 ºF N/A .45
HQC4-S1-4-316 N/A 316 Stainless Steel N/A Viton®
N/A 1/4 in N/A Bulkhead Tube N/A 0 to 3600 psig N/A 20 to 400 ºF N/A .45
HQC4-S1-6M0-316 N/A 316 Stainless Steel N/A Viton®
N/A N/A Bulkhead Tube N/A 0 to 3600 psig N/A 20 to 400 ºF N/A .45
HQC6-S-6-316 N/A 316 Stainless Steel N/A Viton®
N/A 3/8 in N/A Tube N/A 0 to 1500 psig N/A 20 to 400 ºF N/A .74
HQC6-S-10M0-316 N/A 316 Stainless Steel N/A Viton®
N/A N/A Tube N/A 0 to 1500 psig N/A 20 to 400 ºF N/A .74
HQC6-S-4M-316 N/A 316 Stainless Steel N/A Viton®
N/A 1/4 in N/A Male NPT N/A 0 to 1500 psig N/A 20 to 400 ºF N/A .74
HQC6-S-6M-316 N/A 316 Stainless Steel N/A Viton®
N/A 3/8 in N/A Male NPT N/A 0 to 1500 psig N/A 20 to 400 ºF N/A .74
HQC6-S-6MT-316 N/A 316 Stainless Steel N/A Viton®
N/A 3/8 in N/A Male BSPT N/A 0 to 1500 psig N/A 20 to 400 ºF N/A .74
HQC6-S-4F-316 N/A 316 Stainless Steel N/A Viton®
N/A 1/4 in N/A Female NPT N/A 0 to 1500 psig N/A 20 to 400 ºF N/A .74
HQC6-S-6F-316 N/A 316 Stainless Steel N/A Viton®
N/A 3/8 in N/A Female NPT N/A 0 to 1500 psig N/A 20 to 400 ºF N/A .74
HQC6-S-6FT-316 N/A 316 Stainless Steel N/A Viton®
N/A 3/8 in N/A Female BSPT N/A 0 to 1500 psig N/A 20 to 400 ºF N/A .74
HQC6-S1-6-316 N/A 316 Stainless Steel N/A Viton®
N/A 3/8 in N/A Bulkhead Tube N/A 0 to 1500 psig N/A 20 to 400 ºF N/A .74
HQC6-S1-10M0-316 N/A 316 Stainless Steel N/A Viton®
N/A N/A Bulkhead Tube N/A 0 to 1500 psig N/A 20 to 400 ºF N/A .74
HQC8-S-8-316 N/A 316 Stainless Steel N/A Viton®
N/A 1/2 in N/A Tube N/A 0 to 750 psig N/A 20 to 400 ºF N/A 1.86
HQC8-S-12M0-316 N/A 316 Stainless Steel N/A Viton®
N/A N/A Tube N/A 0 to 750 psig N/A 20 to 400 ºF N/A 1.86
HQC8-S-8M-316 N/A 316 Stainless Steel N/A Viton®
N/A 1/2 in N/A Male NPT N/A 0 to 750 psig N/A 20 to 400 ºF N/A 1.86
HQC8-S-8MT-316 N/A 316 Stainless Steel N/A Viton®
N/A 1/2 in N/A Male BSPT N/A 0 to 750 psig N/A 20 to 400 ºF N/A 1.86
Unit of Measure
1 2