This 3/4" lead free calibrated pressure relief valve is designed for use only as protection from the build up of excessive pressure in systems containing water, oil or air. It features a lead free brass body with 3/4" NPT male inlet and 1/2" NPT female (drain) outlet, stainless steel spring, lead free brass bonnet and a Buna-N disc and O-ring. The pressure relief spring adjustable range is 100 to 300 psi (6.9 to 20.7 bar).

• Lead free brass body construction
• All stainless steel adjustable spring
• Adjustable range 100 to 300 psi
• Buna-N disc on machined body seat