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| Crispin Valve | Berwick, PA | |
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.jpg) | “SWC” Swing Check Valve The SWC Series provides users of Crispin products with a AWWA-C-508-1 solution for more arduous check valve applications, including sewage and slurry. Click here for more information on our cost-effective SWC Swing Check Series. SWC Valve Features: • Large diameter Pivot Shaft construction • Accepts Air Cushion and Oil Control devices • Ideal for sewage and slurry • Available in class 125 and 250 • 316 Stainless Steel seat standard • Sizes 2” thru 48” | ||
.jpg) | Tilting Disc Valve The Crispin Tilting Disc Valve uses superior design and function to provide the most efficient and solid approach to controlling flow reversal, with a head loss lower than that of most any other check valve made. Valve Features: • 55û seat angle • #125 and #250 ratings available • 40% size increase through seat • Field replaceable seat • Optional Bottom and Top Size Dashpots Standard Materials: • Cast iron body • Stainless steel seat rings, pivot pins and bushings • Epoxy coating inside and out Sizes: • 2” thru 72” available | ||
.jpg) | Wafer Silent Check Valve Wafer style Silent Check Valves have the same operating principle as the Globe Check valve, but they are offered in a configuration that allows placement between two flanges. Valve Features: • Fully automatic, spring-loaded and double-guided • Resilient seats highly recommended for potable water or drip tight applications • ANSI Class 125 and Class 250 • Maximum temperature rating: 150 F (65 C) Standard Materials: • Cast iron body • Bronze trim with stainless steel spring • Buna-N Steel Flapper Sizes: • 2” thru 10” available | ||
(t).jpg) | Foot Valve Installed on the pump suction, Crispin Foot Valves prevent the pump column from draining upon pump shutdown. Silent during operating and normally closed, the valve has a center-guided disc with a Buna-N seat to provide a drip tight seal. Valve Features: • Resilient seat provides positive shut off • Full flow area • Rugged construction for long life Standard Materials: • Cast iron body • Bronze disc and seat ring • Stainless steel spring and inlet screen • Buna-N resilient seat Sizes: • 2” thru 36” available | ||
(t).jpg) | Vacuum Relief Valve The Crispin Vacuum Relief allows air to enter the system when a negative pressure occurs, but prevents air from being released under positive conditions, except through an optional small orifice Air Release Valve. Valve Features • Cracks open to admit air at .25 PSIG differential pressure • Resilient drip tight seat • ANSI Class 125 & Class 250 flanged connection Standard Materials • Cast iron body • Bronze and stainless steel trim • Optional materials available Sizes • Sizes 3” thru 36” | ||
.jpg) | Globe Silent Check Valve Mounted vertically or horizontally, these valves are designed to close before the pump stops, preventing flow reversal, and eliminating water hammer and system surges. Valve Features: • Fully automatic • Spring-loaded • Double-guided • Maximum temperature rating: 150 F (65 C) Standard Materials: • Cast iron body • Bronze trim and stainless steel spring Sizes: • 2 1/2” thru 36” available | ||
.jpg) | Surge Check Valve Surge Check valves are used on the inlet of the Air and Vacuum, Deep Well, Combination, Dual and Universal Valves to help prevent damage when surges occur. Valve Features: • Limits effects of system surge on Air Release Valves • 125lb and 250lb ANSI flanged • Ideal for sewage and solids-containing applications Standard Materials: • Cast iron construction • Bronze valve disc, bronze seat ring and stainless steel spring Sizes: • 3” thru 36” available | ||
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