Conrader SRH580 Hard Seat Safety Valves
Set Pressure Range: 25-300 psig
Set Pressure Tolerance:
- +/- 2 psig up to and including 70 psig, +/-3% of set pressure greater than 70 psig.
- As required in paragraph UG-134(d)(1) of the ASME Boiler & Pressure Vessel Code Sec. VIII Div. 1.
- No audible leak at 45% set pressure at 25-74 psig.
- No audible leak at 90% set pressure above 74 psig.
- As required by Conrader Standards, allowed by paragraph UG-136(d)(5) of the ASME Boiler & Pressure Vessel CodeSec. VIII Div. 1.
Flow Factor (Slope Method): 3.33
Operating Temperature Range: -65F to 400F
Materials of Construction:
- Seat, Cap, Piston: ASTM B16 Brass or ASTM A582 Stainless
- Spring: 302 Stainless Steel
- Sealing Ball: 440 Stainless Steel
- Valve Material: ASTM B16 Brass or ASTM A582 Stainless
- Compliance: European PED 2014/68/EU, "CE" Stamp
- Plating: Nickel Plating
- Inlet NPT Sizes: 3/4" NPT or BSPT, 1" NPT or BSPT
- ASME Boiler & Pressure Vessel Code Section VIII Division 1
- CSA B51 Boiler, Pressure, Vessel, and Pressure Piping Code