GRACO 237073 - PTFE Relief Valve, 1/2 NPT(M) Relief Port, 1/2 (F) Inlet/Outlet
GRACO 237073 Pressure Relief Valve automatically protects spray finishing systems from dangerous overpressure by relieving system pressure at a specified rating of 2300-2900 psi. Built with stainless steel and PTFE materials for compatibility with catalyst, waterborne, and other finishing materials, this compact relief valve features tungsten and carbide components for exceptional wear resistance and long service life.
Specifications
- Thread: 1/2 npt(m) relief port, 1/2 (f) inlet/outlet
- Max Working Pressure: 2300-2900 psi maximum WPR
- Material: 304 SST, tungsten carbide with PTFE packings
- Relief Cracking Pressure: 3750 psi (259 bar, 25.9 MPa)
- Wetted Parts: 304 SST, tungsten carbide
- Waterborne Compatible: Yes
- Working Pressure Minimum Psi: 2300
- Working Pressure Minimum Bar: 159
- Working Pressure Maximum Psi: 2900
- Working Pressure Maximum Bar: 200
- Cracking Pressure Minimum Psi: 3560
- Cracking Pressure Minimum Bar: 245
- Cracking Pressure Maximum Psi: 4310
- Cracking Pressure Maximum Bar: 297
Features
- Automatically relieves system pressure at specified rating to protect from overpressure
- Stainless steel and PTFE materials compatible with catalyst, waterborne, and other finishing materials
- Compact and easy to install design
- Tungsten and carbide materials ensure low wear and long life
- Waterborne compatible construction
Applications
- Spray finishing systems protection
- Catalyst material applications
- Waterborne coating systems
- Industrial finishing operations requiring overpressure protection
Compatible Equipment
Related Parts
- 237061 - PTFE Relief Valve, 1/2 NPT(M), 950-1150 PSI Maximum Wpr
- 237112 - Carbide Relief Valve, 1/2 NPT(M), 1400-1800 PSI
- 237062 - Carbide Relief Valve, 1/2 NPT(M), 1800-2300 PSI (124-159 Bar, 12.4-15.9 MPa)
- 237063 - PTFE Relief Valve, 1/2 NPT(M), 2900-3600 PSI Maximum Wpr
- 237074 - Relief Valve, 304Ss, 1/2 NPT(M), 3600-5000 PSI Maximum Working Pressure
- 237073 - PTFE Relief Valve, 1/2 NPT(M) Relief Port, 1/2 (F) Inlet/Outlet
Part of GRACO's pressure relief valve family with various pressure ratings available. Manual reference 308547 provides installation and service information. Part of relief valve selection table for VHRC systems. Working pressure range 2300-2900 psi (159-200 bar), cracking pressure range 3560-4310 psi (245-297 bar). This is Ref. No. 18 in the parts diagram for wall mount three pump models. Used with bare pumps 231908, 231910, 231912, and 231915, and pressure gauge 102814 (0-5000 psi, 34 MPa, 345 bar, 1/4-18 npt).
Reference Manuals
