1-1/4" Nominal Pipe Size B4 Butt Weld Check Valve
1-1/4" Nominal Pipe Size B4 Butt Weld Check Valve
SKU:B4A-d91d1b
High-quality 1-1/4" B4 Butt Weld Check Valve, ASME/ANSI B16.25 compliant, rugged Check-All® trim with various seat materials, 1.50 psi standard cracking pressure, ideal for critical applications.
Regular price
$89.99
Regular price
Sale price
$89.99
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per
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The 1-1/4 Inch Nominal Pipe Size B4 Butt Weld Check Valve is a high-quality, ASME/ANSI B16.25 compliant valve designed for schedule 40 pipe applications. Machined from premium 316 Stainless Steel, it ensures durability and uniform density for consistent welds. Offering a standard cracking pressure of 1.50 psi, this check valve boasts a rugged Check-All® trim with a wide range of seat materials available, suitable for low-pressure relief valve or vacuum breaker usage. Manufactured in the USA, this valve is ideal for applications requiring precision and reliability.
Product Specifications
Additional Information
The 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®l trim with a wide variety of seat materials and cracking pressures to choose from.
Caution
Please take sufficient measures when welding to prevent heat build-up and possible damage to the valve seat.
Note
Many valves in this series can be supplied with B16.34 certification. Consult the factory for more information.Made in USA.
Specifications Body Material
316 Stainless Steel = SS | 316L Stainless Steel = SS | Alloy 20 = A2 | Alloy B = HB | Alloy C-276 = HC | Carbon Steel = CS | Monel® 400 or Alloy R405 = MO
Specifications Body Material Availability
316/316L Stainless Steel (SS) - Standard | Alloy 20 (A2) - Semi-Standard | Alloy B (HB) - Contact the factory for these or other materials | Alloy C-276 (HC) - Semi-Standard | Carbon Steel (CS) - Standard | Monel® 400 or Alloy R405 - Contact the factory for these or other materials
Specifications Certifications
European Conformity (CE) PED 2014/68/EU Complaint | International Organization for Standardization (ISO 9001) Certified
Specifications Nominal Pipe Size
1-1/4 in
Specifications Non Shock Pressure Rating At 100 Degree Fahrenhei
4000 psig
Specifications Note For Material
Listed above are the most common material selections. Please contact the factory for additional options.
Specifications Seat Material
"Metal-to-Metal" = MT | Aflas® = AS | Buna-N = BN | Ethylene Propylene Diene Monomer (EPDM) = EP (EP seats not recommended for use with Carbon Steel valves.) | Fluoro-Elastomer (FKM) = VT | Neoprene = NE | Perfluoroelastomer = KZ | Polytetrafluoroethylene (PTFE) = TF
Specifications Size Code
I
Specifications Special Options
T = FEP Encapsulated Spring (Contact the factory for more options)
Specifications Spring Material
17-7PH Stainless Steel = PH | 316 Stainless Steel = SS | Alloy C-276 = HC | Inconel® X750 or Alloy X750 = IX | Monel® 400 = MO | Titanium = TI
Specifications Standard Cracking Pressure
1.50 psi
Specifications Valve Style
SCH 40 PIPE = B4