Shop › Pressure Relief Valve - 8 psi Image 1 of 1 Pressure Relief Valve - 8 psi $24.99 Our pressure relief valve - 8psi is made from 304 stainless steel. The threads are 1/2 inch FPT. Get notified by email when this product is in stock. Add To Cart Added! Our pressure relief valve - 8psi is made from 304 stainless steel. The threads are 1/2 inch FPT. 1.5 inch x 0.5 inch Tri Clamp to FPT - Stainless Steel $13.99 Add Added! 2 inch x 0.5 inch Tri Clamp to FPT - Stainless Steel $14.99 Add Added! Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like Whiskey helmet - 4 inch $549.95 Sold Out Liebig Condenser DIY Kit 1.5 inch $54.95 Copper bubble plate - 3 Inch $67.99 Bubble Plate Gasket - 100% Silicone - 3 inch $3.99 Autosol Copper Polish $19.99