+3 40-30 & 640-30 Rate of Flow Control Valve SKU 00160 In stock Quantity: 1 Add to Bag Product Details Cla-Val Model 40-30 is non-surge check valve with flow limiting features. Product Advantages Protects pumps against reverse flow Surge-free operation Adjustable opening and closing rates Fail-safe operation Limits flow to a pre-set maximum Factory sized for proper performance Available in aluminum, cast steel, stainless steel or ductile iron Save this product for later Favorite