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B4/B8 Butt Weld Valve
Brand: Check-All Valve Manufacturing CompanyThe Butt Weld (B4, B8) check valve is a one piece body machined from bar stock, eliminating porosity concerns and providing uniform density for more consistent welds.
Made to ASME/ANSI B16.25 for schedule 40 pipe (B4), or schedule 80 pipe (B8) it carries rugged, dependable Check-All trim with a wide variety of seat materials and cracking pressures to choose from. The Butt Weld valve can also be used as a low pressure relief valve or vacuum breaker by using the desired spring settings.
Specifications
Approvals & Certifications
- ISO 9001
Approvals & Certifications
- CE
- PED 97/23/EC
Diameter
- Orifice: 0.348” to 2.56” (8.63 to 65.02 mm)
Enclosure, Body Material
- 316 Stainless Steel
- 316L Stainless Steel
- Alloy 20 or Incoloy
- Alloy 400 or Monel
- Alloy B
- Alloy C-276 or Hastelloy
- Carbon Steel
- Monel
Flow Rate
- 2.4 to 144 Cv
Media
- Water
Pipe Size
- 1/2” to 4” (12.7 to 101.6 mm)
Pressure Range
- Non-Shock Pressure: psi: 1,500 to 5,000 (kPa: 10,342 to 34,500, bar: 103.4 to 345) at 37.7° C (100° F)
Seat / Seal Material
- Seat: AFLAS
- Seat: Buna-N
- Seat: EPDM
- Seat: Kalrez
- Seat: Metal to Metal
- Seat: Neoprene
- Seat: PTFE
- Seat: Viton
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 %
Welded Connection
- 1” Butt Weld End
- 1/2” Butt Weld End
- 1-1/2” Butt Weld End
- 1-1/4” Butt Weld End
- 2” Butt Weld End
- 2-1/2” Butt Weld End
- 3” Butt Weld End
- 3/4” Butt Weld End
- 4” Butt Weld End