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U1/R1 Universal High Pressure Check Valve
Brand: Check-All Valve Manufacturing CompanyThe Universal High Pressure (U1, R1) check valve is a one piece body machined from bar stock with female pipe threads.
The valve is designed and manufactured for high pressure applications. These valves can also be used as low pressure relief valves or vacuum breakers by using the desired spring settings. This valve is normally supplied with a "metal-to-metal" seat. NPT threads are per ASME B1.20.1. Also available with ISO 7 "Rp" threads (R1).
Specifications
Applications
- High Pressure Applications
Approvals & Certifications
- CE: PED 97/23/EC
Approvals & Certifications
- ISO 9001
BSP Connection
- 1” BSPP Female
- 1/2” BSPP Female
- 1-1/2” BSPP Female
- 1-1/4” BSPP Female
- 3/4” BSPP Female
- 3/8” BSPP Female
Enclosure, Body Material
- 316 Stainless Steel
- Alloy 20 or Incoloy
- Alloy 400 or Monel
- Alloy B (HB)
- Alloy C-276 or Hastelloy
- Carbon Steel
- Titanium
Flow Rate
- 1.9 to 31.9 Cv
NPT Connection
- 1” NPT Female
- 1/2” NPT Female
- 1-1/2” NPT Female
- 1-1/4” NPT Female
- 3/4” NPT Female
- 3/8” NPT Female
Pipe Size
- 3/8” to 1-1/2” (9.52 to 38.1 mm)
Pressure Range
- Non-Shock Pressure-Temperature Rating - psi: 10,000 (kPa: 68,950, bar: 689) at 37.7° C (100° F)
Seat / Seal Material
- Seat: Metal to Metal
Spring Material
- 316 Stainless Steel
- AISI 631 Stainless Steel, 17-7 PH
- Alloy 400 or Monel
- Alloy B
- Alloy C-276 or Hastelloy
- Alloy X-750 (Inconel)
- Fluorinated Ethylene Propylene (FEP)
- Titanium
Tolerance
- Spring Tolerance: ± 15 %