{"product_id":"parker-637b-4-1-4-2-pressure-control-valve-4-gpm-brass-npt","title":"Parker 637B-4-1\/4-2 - Pressure Control Valve,4 gpm,Brass,NPT","description":"\u003cp\u003ePressure Control Valve, Pressure - Maximum 250 psi, Flow Rate - Maximum 4 gpm, Body Material Brass, Pressure - Minimum 115 psi, Port Connection Type NPT, Port Connections Inlet, Outlet, Pressure Setting - Maximum 200 psi, Check Valve Cracking Pressure 200 psi, Overall Width 1.25 in, Port Connection Size 1\/4 in, Actuation Mechanism Pressure, Port Connection Dash Size -4, Operating Temperature - Maximum 250 Degrees F, Operating Temperature - Minimum -40 Degrees F, Overall Height 3.66 in\u003c\/p\u003e","brand":"Parker","offers":[{"title":"Default Title","offer_id":67609640435806,"sku":"637B-4-1\/4-2","price":758.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/nbs_image_placeholder_a43a942d-44e0-40f8-8078-4a160ae48538.png?v=1791332745","url":"https:\/\/nationalboilersupply.com\/products\/parker-637b-4-1-4-2-pressure-control-valve-4-gpm-brass-npt","provider":"National Boiler Supply","version":"1.0","type":"link"}