Here are the technical parameters of TESCOM 44-1313-2081-005:
Body Material: Brass.
Maximum Operating Pressure: 3750 psig (259 bar).
Outlet Pressure Range: 0 - 600 psig (0 - 41.4 bar).
Design Proof Pressure: 150 percent of rated pressure.
Leakage: Bubble-tight.
Operating Temperature: - 15°F to + 220°F (- 25°C to + 104°C).
Flow Capacity: 1/4 inch main valve, Cv = 0.8.
Port Type: NPT.
Port Size: 1/2 in.
Modification: Venting with gauge ports.
Media Contact Materials:
Body: Brass.
Seat Main Valve: CTFE.
Seat Vent Valve: Teflon® (for 600 psig / 41.4 bar outlet).
O - rings: Viton - A®.
Back - up Rings: Teflon®.
Gaskets: CTFE.
Remaining Parts: 300 series stainless steel, Teflon® and brass.
Cleaning: CGA 4.1 and ASTM G93.
Weight (without gauges): 6.25 lbs (2.83 kg).